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• When I try to connect with my wireless laptop will connect only to Local access. If I connect the laptop to the router with the ethernet cable, it works very well.

  VIsta - Local access only

  HI -.
  I recently moved.   I use the same router from my old apartment and I had no problem connection in the past.   Since I moved I have a new Time Warner modem (Cisco) and the modem works fine.

  The router also works very well I'm able to connect with my iPhone and IPad without any problem.

  But when I try to connect with my wireless laptop, it will only connect to Local access.    If I connect the laptop to the router with the ethernet cable, it works very well.

  It's a Dell Studio 15 with Vista.

  The computer is able to connect to wifi to other places without any problem, but for some reason that I can't connect home.   I tried to reset the modem and the router several times, but that did not help.   I tried the option repair & diagnose several times but it doesn't work.

  I tried to look for other solutions online and tried to disable IPv6, and while it helped some and I was able to connect wireless, the computer ran so slowly that it didn't seem like a good solution.

  This has been very frustrating.   Thanks in advance for any help or suggestion.
  Staci

  Hello Staciusa,

  Have you tried to change the wireless channel that your router is running at? There may be interference that could prevent the internet connection:

  Take a look at step 6 in this article that give more details about it:

  http://www.Microsoft.com/athome/Setup/wirelesstips.aspx

  If you need assistance to change the settings of the specific router, you will need to contact your router manufacturer or your internet service provider.

• first instance LR 6 cc import goes well with the various cards, that one card does not work, usb HDD with only images, map 9571 photos 115GB, sometimes only 300 photos, then wait all night nothing, try the separate subfolders, only two (including su subfo

  trial LR 6 cc import goes well with different cards, that one card does not work, usb HDD with only images, map 9571 115GB, sometimes only 300 photos pics, then wait all night nothing, try separate subfolders, only two subfoldrs(including subfolder) done well, 175, and 125 peaks, other subfolders doesnot work, opendLR as administrator : no difference. I7 import about 60-70%. on the import of only about 300 visible pictures, the other empty square. solution?

  Hi willemm,

  first instance LR 6 cc import goes well with different cards, that one card does not work.

  Could you please develop the issue you are facing?

  What is the image format you import?

  USB HARD drive with only images, card 9571 115GB, sometimes only 300 photos pics

  I would not recommend to import gb 115 library at once.

  Kind regards

  Assani

• Sometimes a web page is displayed with only text and no picures. It is not always the same site and is not always the case. If I'm going to explore for the same website that always works

  Sometimes a web page is displayed with only text and no picures. It is not always the same site and is not always the case. If I'm going to explore for the same website that always works

  Hello

  Also try a Ctrl + F5 refresh. This allows to bring the content of the page again.

• Boots system to black screen with only the mouse pointer, ChkDsk finds the same mistakes every time, but does not drive.

  My system has the latest updates installed, but it has not restarted when a power failure occurred.  System ran file check at startup and started to only black screen with the mouse.  Sticky Keys dialog box and file sharing is just what works.  System Restore find restore points, but fails with errors.  System repair find anything wrong.  ChkDsk /f and / r always produce the same result with about 30 files deleted from the index, and then these same files recovered orphans.

  I cloned the drive to another and get the same results.

  All modes of security also start to black screen.  CTRL-ALT-DELETE, CTRL-SHIFT-ESC, WIN-E, etc.  do not work.  Only 5xSHIFT brings a dialog of the keys sticky.

  Via a command prompt I can read and write files & folders on the boot partition as if nothing is wrong.  Same thing with shared files on the network.

  I asked about this on the forum to update and have no solutions.  Could someone please help?

  Thanks in advance.

  BestPartyBand,
  I'm sorry to hear that none of the solutions that we offered was able to solve your problem.  I know how very it can be frustrating to have to start all over again with a clean system, especially with the amount of work you have put in get your network configuration.  I have not found anything that could solve your problem without reformatting, unfortunately.  I didn't want to point to one of the articles I sent you a link to (when you start a Windows Vista-based computer, the system may stop responding (hang) at a black screen.)
  http://support.Microsoft.com/kb/946532 this article talks about the corruption of system files in the $Txf directory. This corruption causes a situation of deadlock between the Transactional NTFS (TxF) and the automatic verification process.  I think that is what has happened on your drive hard when the crash occurred.  Here is a good article about this in detail that you might find interesting technically: transactional Ntfs and loss of data
  http://www.articlesbase.com/data-recovery-articles/Transactional-NTFS-and-data-loss-778234.html

  I hope that it works for you, let us know if we can help you.
  Thank you
  ) Gloria
  Microsoft Answers Support Engineer
  Visit our Microsoft answers feedback Forum and let us know what you think.

• Metadata Windows 7 I tend to take a lot of pictures and I want to be able to add metadata to photos that I know what talking about photography,

  original title: metadata Windows 7

  I tend to take a lot of pictures and I want to be able to add metadata to photos that I know what talking about the picture, where it was taken, the people of marking on the photo, etc. I used the Windows 7 Explorer to add metadata to photos (the pane at the bottom of the Explorer or by doing a right click and using the properties--> details recording here). Everything's all right. But the addition of data to hundreds of photos is a very demanding task. Therefore, I wanted some advice on the following questions before that I seriously undertake this work on thousands of photos:

  1. If I add metadata to photos using the Windows 7 Explorer, and then copy the photos to another computer with Windows XP, I keep all the metadata information that I added in Windows 7 and be able to read in the Explorer of Windows XP? Or will I lose all the metadata as we can add in a specific Windows 7 format, unreadable by Windows XP? Or even that I lost a part of metadata (fields newly added in Windows 7, in case some [which?])?
  2. These metadata will be compatible in the future versions of Windows? If I upgrade to a later version of Windows (whenever it comes out), my metadata laboriously added will be present and readable as well as all the pictures?
  3. Is metadata embedded in the file or is it stored in another table inside the Windows OS? I know this because, to wire different versions of Windows, I have totally lose the metadata when I copy the photos or that it will be present in the Interior photos but will only be unreadable?

  If I lose any of my metadata on different versions of Windows, then this method of recording information of the photo seems unnecessary. If this is the case, can someone advise me the best method to save the details of the photos inside photos so that they are available (and readable), everywhere where the photo is taken or copied.

  Hi mnae,.

  If you add metadata to photos and then to copy the photos to another computer it keeps all the metadata information that you added.

  If you upgrade to a version more recent Windows information will be preserved. Metadata are embedded in the file only.

  I suggest that you first test with some files and check.

• I can't reinstall with only a serial number, I can?

  I bought a MacBook Pro with the suite Adobe Design Premium about 3.5 years ago. If the memories are good, it came with the software already installed and with none of the discs from Adobe. After a series of repairs, I tried several times to find a way to reinstall Adobe products with only the external hard drive that I used for Time Machine backups. But I always failed. And now the external hard drive does not have too. So I think that I have only the serial number. Can I ever recover the Adobe products I bought with this laptop?

  You will need to talk to the seller to get the software, if they are the ones that originally he you provided.  If you have the order number, you may be able to download the demo version of the software through the page linked below and then use your current serial number to activate it.

  Don't forget to follow the steps described in the Note: very important Instructions in the section on the pages of this site download and have cookies turned on in your browser, otherwise the download will not work correctly.

  http://prodesigntools.com/tag/DDL

• My repertoire is not now responsible to the vehicle (VW Golf GTI MY08 with BT fiscon system) all work fine until I received the watch

  Hi all, very much has been said about the Apple Watch and the changes it makes or should I say priority, she resumed vehicle Bluetooth system.

  Since owning the Apple Watch I have has problems of Bluetooth, more with my directory does not not upward. All other functions appear to work correctly. My repertoire is not now responsible to the vehicle (VW Golf GTI MY08 with BT fiscon system) all work fine until I received the watch.

  Counsel there or just wait for an update?

  I look forward to hear from you

  < re-titled by host >

  The issues raised in your vehicle only persist when your watch is paired / with you in the car?

  I suspect either a material limitation / bandwidth here, or perhaps a software update for BT to your car system may be necessary.

• Can not see the person I'm talking about

  Hello!
  I'm having a problem with video calls. I don't see the people I'm talking even if their webcam is enabled. My Skype was working perfectly fine when this problem came out all of a sudden. I'm having this problem with all the people I'm talking about. I looked for a solution in the Skype settings, from my laptop but found nothing. And that's when I discovered this community!
  Does anyone have an idea on how to fix this?
  Thank you!

  It's not quite you can do this by using the Skype options available, but what you can try is to reset all settings to the default values.

  Exit Skype or use the Windows Task Manager to kill any which Skype.exe process. Go to start and in the box search/Run type %AppData%, and press enter or the OK button. Windows File Explorer will appear. Move a folder with the name of Skype. Rename the folder to something different, for example Skype_old. Restart Skype.

  NB. If necessary, you will still be able to re-establish your call history. All data are always saved in the Skype_old folder.

• NEITHER 9481 relay are not locked when running the labview compiled exe on a computer with only installed labview execution?

  I recently bought a cDAQ-9172 with several modules.  One of the modules is a NI 9481 relay module.  I created an application using Labview and built an exe file.  If I run the exe on the computer, it was developed on the relays work properly, that is, they remain locked up until their status is changed.  If I run the same exe on a computer with only the Labview runtime installed (no software installed), the pulse relay contacts and not locked.  I'm using Labview version 7.1 for my development and execution.  Everyone knows about this problem?

  Ignore this announcement, the error stems from a difference between each computer ini-files and has nothing to do with the Labview Labview runtime vs, my bad developer.

• Windows Vista - blank screen with only the mouse pointer at the start - tried everything

  My laptop (Dell Latitude E6500) stopped recently begin correctly recently - one morning, he froze connection so I powered it off and then on again. When he started to I only got a backlit black screen with a mouse pointer - nothing works, clicking or Ctrl Alt Delete.

  So far I have tried the following:
  • Dell Diagnostics tool - no problems found
  • Safe mode - the same thing happens in all modes of security
  • Restore the system using CD of Vista - no restore point
  • Repair the system using the Vista CD - no error
  • Essentially, nothing to do with the Vista CD solved the problem, so I tried the forums

  • I tried to rename the "Logs_bad" event logs and by creating a new "Log" folder in windows\system32\winevt\ - does not set it
  • "I renamed' software ' to 'software_bad' in windows\system32\config\ and 'software_previous' in 'software', as suggested Mr. Bakir in http://www.nuonsoft.com/blog/2009/05/02/possible-ksod-black-screen-of-death-solution-for-windows-vista/, but it did not work.
  • I also tried a few things with Regedit but not had any luck with doing work again.
  • I tried the trick of "StickyKeys" discussed on many forums, but this does not work - I had turned it off or the computer is not grateful for entry; I do not know
  • I copied explorer.exe working copies, taskmgr.exe and winlogon.exe from a broken computer work computer, it did not resolve anything.
  Are there solutions more I can try? There must be something I can replace/remove/change in order to get Starter beyond this point where is seems to 'block '.
  Install a fresh windows isn't really a preferred option.
  Any help would be much appreciated

  Hello

  ·         At what stage of startup you get this black screen?

  I suggest to refer to the link below and check if it helps to resolve the issue.

  http://support.Microsoft.com/kb/977675

  If you have not used the repair which is a system repair option in Windows vista start DVD, you can use it and check if the problem persists.

  To open the Startup Repair refer

  http://Windows.Microsoft.com/en-us/Windows-Vista/how-do-I-fix-a-boot-startup-problem

  For more information about the Startup Repair, refer

  http://Windows.Microsoft.com/en-us/Windows-Vista/startup-repair-frequently-asked-questions

  I hope that helps!

• Taskbar Windows parade with only two visible icons

  How can I change this?

  It makes it slower find my open programs and Favorites.

  Help, please.

  AW

  Original title: taskbar Windows parade with only two icons visible instead of a horizontal line which shows all the...

  Who has not worked for me under Windows 7.  I found that unlocking the taskbar, and then double-click the two dotted vertical lines closely grouped to the immediate right of the star button, I was able to disable scrolling.

• Someone at - he heard talking about Windows 7 clean install on new discs, taking 63 GB of disk space?

  It must be something simple, once figure you it out!  Have had 2 calls assisted support 2 days for a few minutes each.  Guy does not seem to have a clue.

  anyway... short as possible...  I built a new computer game. 3 hard drives SSD crucial m4, 1 x 128 GB, 2 x 256GB and 2 TB WD SATA III for storage.

  You want to put Windows and Office, Antivirus etc. on the 128GB SSD... all games and programs on the two 256 GB SSD drives.  Requirements, I see it everywhere, including on the box... 20 GB for 64 - Bit.

  I did a clean install Windows 7 home 3 times and then switch to Win7 Pro using a card key to upgrade time everything.  Fact a facility with everything configured as it was planned.  Made an installation with only the 128GB drive connected.  The two ways... Windows supports 63 GB of space when you go to 'My computer' and watch the free space.  STILL... If you go on the Windows disc and open and select all folders, files etc... including the hidden files/folders... you get a total of about 25 GB disk!  Exactly as you might expect.

  Contacted Microsoft through chat... support person called... He repeated that everything I said I already tried and I even gave the data, figures and results, etc. no help.  Then he had me download an iso file and burn a bootable DVD with Windows 7 Pro on this subject.

  Tried and same results.  SO now, I installed Windows 7 Pro 64 bit on 2 different Crucial Solid State Drives and a Western Digital 1 TB SATA drive.

  Each installation takes 63 GB of disk space in 'My Computer'.

  Each installation... When you navigate to the drive and open and select all the files and click right properties... get you about 25 GB of space occupied by the files.

  Run a CHKDSK scan and it will show also the 63 GB or more space used.

  Have already removed all the shadow copies, deleted all temporary files, ran CCleaner and got rid of everything. Delete the backups or restore points.  Makes no difference.

  I have install Windows and in 'My Computer', it shows that 63 GB is used.  And it is above all of the windows updated hundred occur after installtion.  Nothing else was installed.

  Any ideas?  I can put Windows on a 128 GB SSD, which only shows GB total 119 in 'My Computer' in the first instance.  After all the windows updates and virus and MS Office program, it would be complete and have no space to work.

  The point is... Windows should only be taking up about 25 GB... May 30 when it is updated and corrected.

  Finally I thought of her.

  When windows is installed into hibernation is enabled... No matter what you see in equipment/control panel and power sound/Options/change Plan / change advanced power settings.  Hibernation settings and parameters of sleep can show as disabled in the advanced but you will ALWAYS have a file called "Hiberfil" at the root of the C drive and it will be or has been on my system... 24 GB in size.

  You will have to view all the files/folders to view this file.

  24 GB windows put side also used space for modes of hibernation / sleep.  24GO of Wasted space!

  I have also 32 GB of system memory.  When you install windows by default... it sets the page file/Virtual memory size in the same amount of memory you have installed.  In my case a little more than 32 GB was my page file size.

  IF you have windows which takes about 12 GB installation, 1 without updates.

  For more, 24GO Hibernation and 32 GB of page file.

  So, when you look at 'My Computer' after a clean and no installation update again... Windows takes 12 + 24 + 32 GB = 69 GB... 69GB for a windows installation!  And the hard drive is only considered GB 119.  Once you do all the 'windows updates' installation will be more several GB.

  So my 119GB SSD drive will be 75% or more complete just after installing windows.

  SOLUTION: To get rid from where to disable Hibernation and recover 24 GB of disk space... go to start > programs > Accessories and right click on command prompt and select "run as Administrator".

  This executes the function of the command mode prompt "high command prompt".

  Your command prompt window should read as C:\Windows\System32 in mode "high".

  If your window to prompt similar to C:\Users\Tony bed... then you are not in high mode.

  Type the following in the command prompt window to disable the hibernation: powercfg-h off and press ENTER.

  There is a space after the 'g' powercfg and also a space between the '-h' and the word 'off '.

  The "Hiberfil" file in your root of C will have now disappeared and wah - Los Angeles... you 24GO more free space on your drive currently.

  "#2 SOLUTION: right-click on"My computer"and select properties.  In the window that opens on the left column, click on "Advanced System Settings".  The window that opens will be the "Advanced" tab  Click settings in the performance section of this tab. In the window that opens this time again click the "Advanced" tab  Down under "Virtual memory" click on the "Edit" button to change your virtual memory settings.

  In my case, I stopped windows manage the virtual memory and changed the setting from the window of 32 GB virtual memory size, because I have 32 GB of installed system memory... I reduced my virtual memory to 8 GB which is always a huge!

  But in doing so, I got another 24 GB of disc space given my size virtual memory 8 GB value.

  So now, once you do both of these actions, you can go into 'My computer' and you see that now only have on (my) 20 GB of space is used instead of the original GB 68 to 69 of the space used.

  So now I have just to 98 GB of free space on a disk Go 119... with the installation of windows occupying about 20 to 25 GB of space that you want to see normally.

  Before... I had about 45 GB of free space (after update).

  Auto power OFF after put into hibernation and make sure that you do not have an ungodly amount of virtual memory reserved for the use of windows!

• Indexes on columns with only "Y" and "n".

  Our transaction table has about 100 mn lines. Of these latter on 60 minutes the lines are not actively used.
  
  We have composite index on multiple columns, including dates, and these are used to regular queries.
  
  Will be adding a status = 'y' or ' don't column and the creation of an index on this column is useful to increase the performance of the query?
  
  For example, will add a condition like
  
  OÙ......... AND ACTIVE_FLAG = 'Y '.
  
  help increase the performance of queries?
  
  Creating such a column and adding a help index?
  What type of clue do you recommend?
  
  The alternative advocated by some members of the staff is the archiving of INACTIVE lines in a separate table. This will have a big impact on business processes. But we might be able to pull it off.
  
  Is there another solution.
  
  I am a beginner full performance although I am familiar with PL/SQL and queries.
  I'm on the constraints of very tight timetable for the first level of back. I'll have more time as soon as I know the direction in which to go.
  
  Forgive me if I broke a tag forum. I'm new on the forum too.

  Thanks for providing this information. This gives a much clearer picture of what you are facing.

  I will try to give you my answer your questions afterwards.

  You have indicated your data volumes have steadily increased and performance made that decline.
  Even if you do not say (I forgot to ask) but it may be that the number of users increases as and.
  so typical, many users use the system of the time.

  For me it's indicative of a systemic problem. In other words, the problem is not due to a
  a thing or a part of the system.

  There are two main components of a server: the instance and the database. This link sums up the difference
  between the two - http://www.adp-gmbh.ch/ora/misc/database_vs_instance.html and here is a link to recent forum
  for reference Re: difference between Oracle Instance and Database.

  To paraphrase, an instance includes background processes and structures of memory (SGA, PGA, etc.)
  Oracle uses.

  The symptoms you describe could mean that your instance is more configured size not set correctly
  for your current workload are originally strain throughout the system. Maybe the memory is too limited.
  Maybe your sorts are growing with addional data.

  I suggest that you start the new thread to ask for help in the evaluation and optimization of your instance. Use this
  as a starting point:
  >
  Question/title - how to evaluate the State of health / instance and tune

  Our facility has a problem of increasing return.

  How can we collect and provide assessment of workload and configuration information, so you can help determine
  possible solutions such as: memory sizing, temp and segment again sizing, sort the issue.

  Statement of the problem
  1 oracle Version is? ?. ?. ?

  2. gradually return was degrading with more and more data. The UI response suffers and
  batch processing is also in hours. We expect volumes to only continue to grow.

  3. the volumes have continued to increase over the years and gradually performance issues
  accumulate over the past 2 years. Data volumes began to increase faster
  last year 1 due to changes in the company.

  4. the data in OLTP system is a combination of assets of 40% and 60% relatively inactive (financial history).

  5. a complete system near-live replecation on several sites. In my opinion, using streams.

  6. notice of the tech team is a few tables have too many lines. We know that our demands can be suboptimal.

  >

  Now to your question:
  >
  1. I do not know the index on the existing columns are not fully exploited. In the meantime can but, we still get some benefits from adding
  a 'Y' and the null column? What will be improved?
  >

  It is unlikely the benefits you need. It's putting the cart before the horse. The first step is to identify a specific problem.
  Only then can examine you and evaluate solutions. for example by adding a new column or index.

  There are several reasons, this isn't the right solution; certainly not at the moment
  A. any new column and index, BY DEFINITION, maybe even this does not use except if one or more current
  queries are changed. This is obvious since no existing query could possibly refer to a column that does not exist.

  (B) to try to obtain the Oracle to use the new index column / single lease request must be changed.

  C. in my opinion, you should never modify a query of production without knowing which allows to obtain the amendment
  a well-defined objective. You must evaluate the current execution plan to identify what changes, IF ANY,
  can improve performance.

  D. it can be and given your systemic problem is likely to be, some ripe fruit on the performance. That
  is that there may be ways to tune the query to use existing indexes or add a new index on an existing column
  improve things.

  E. assuming that none of the above does the work adding a new column and an index to identify
  a 40/60 split (40% of assets) is unlikely to be used by Oracle (see response of Centinui).

  >
  2. notes that this calculation 'Y' is not negligible. I can easily reproduce this with a WHERE condition on the existing columns. We can have
  to run a batch on the weekend to check row groups and mark them as 'Y '. So it is not only the advantage of indexing on 'Y', but also some benefits of prior calculation.
  Given this info doing now more logic to have a 'Y' and the null column?
  >
  My answer is no – there is no sense to have a Y/N Y/NULL column.

  A. certainly not for reasons of performance - as noted above above it is unlikely help

  Certainly not for commercial reasons.
  The calculation of your "non-trivial" is to demonstrate a business rule: identify groups of lines that have earned.
  If you perform this calculation, the result must be saved significantly. One way is to create a new
  column called 'DATE_NETTED_OUT '. This column name have meanings, and can be used as a boolean DATE/NULL type. This
  It would be much better that Y/NULL which is not really enter the business sense of the value.

  >
  3 partitioning speed up queries on the minutes 40 active and slow queries on the full 100 minutes?
  >
  Probably not to have one influence on the other. Allocation decisions are usually made to ensure easier data management and often
  have little, if any, a performance impact. All existing applications are unlikely to accomplish the any
  differently just because the table is partitioned. There are exceptions of course. If you partition on DATE
  and an existing query has a DATE filter, but there is no index on the DATE column, it will do a full table scan
  of the whole picture. If the table is partitioned on this DATE column that oracle would probably make a partition full
  Scan just the 40% or 60% of the table according to the value DATE. It would be so much faster.

  But if there is already an index on the column DATE I do not expect the performance to change much. It comes
  just speculation since it is based on data, the factor of grouping the data, and the existing queries.

  >
  1. I still need to a particular column of partion, I do not?
  >
  Yes, you do. Unless you use HASH Partitioning that don't really benefit your use case. You too
  says that "...". staff advocate is the archiving of INACTIVE lines in a separate table "."
  Partitioning can be used as part of this strategy. Partition by MONTH or by QUARTER on your
  new column "DATE_NETTED_OUT." Keep 1 or 2 years of data online as you do now and when a partition
  becomes more than 2 years you can 'transport' it to your archiving system. This is part of the partition
  management, which I mentioned earlier. You can simply disconnect the oldest partition and copy it to archive.
  This will not affect your applications other than the data not being is not available.

  >
  2. "adds a column' or ' cut-and - paste lines of table created by copy" the worst idea?
  >
  I don't know what that means.

  SUMMARY

  It is premature to consider alternatives until you know what the problems are. Only then you can try to
  determine the applicable solutions.

  I do it in this order:

  1. upgrading to a newer version of Oracle you are on an older (you said 9i which is not
  longer supported)

  2 assess the health and configuration of your instance. You may be able to significantly improve things
  by adjusting the parameters of configuration and instance. Post a new question, as previously mentioned. I don't
  have the expertise to advise you in details on that and the gurus tuning of the Forum the Forum can
  not to notice this thread (indexes on columns with only 'Y' and 'n') than even know you need help.

  3. identify the ripe fruits for performance problems. Is this one of your batch process? An individual
  request? You mentioned UI soon - that could be a problem of front end, middle tier or application
  not a database one.

  4. don't it make changes architecture (add columns) until you have tried everything first.

• How can I play videos with only a MediaPlayer?

  I want to play two videos with only a MediaPlayer:

  private static MediaPlayerBuilder mpB;
  private static Media mLogo;
  private static Media mSaludo;
  private static MediaPlayer mpLogo;
  private static MediaView mvLogo;
  private static Group gLogo;
  
  public void start(final Stage stage) {
  ...
  mLogo = MediaBuilder.create().source(myGetResource(VIDEOLOGO_PATH)).build();
  mSaludo = MediaBuilder.create().source(myGetResource(VIDEOSALUDO_PATH)).build();
  mpB = MediaPlayerBuilder.create(); 
  mpLogo = mpB.media(mLogo).build();
  mvLogo = MediaViewBuilder.create().mediaPlayer(mpLogo).build();
  gLogo.getChildren().add(mvLogo);
  ...
  sActual = new Scene(gPozos, WIDTH, HEIGHT, Color.BLACK);
  stage.setScene(sActual);
  stage.show();

  When I want to play mLogo:

  sActual.setRoot(gLogo);
  mpLogo.play();

  Then, when I want to play mSaludo I do the following:

  mpLogo = mpB.media(mSaludo).build();
  sActual.setRoot(gLogo);
  mpLogo.play();

  or this:

  mpB.media(mSaludo).applyTo(mpLogo); 
  sActual.setRoot(gLogo);
  mpLogo.play();

  or this:

  mpB.media(mSaludo);
  sActual.setRoot(gLogo);
  mpLogo.play();

  But it is impossible to change the media. It does not work. Sometimes I play video mLogo and sometimes (according to the code) the video mLogo does not start and I see a picture of the first keyframe and nothing else. I have no exception, no error, nothing.
  I want to play mLogo, then mSaludo. How can I do this?
  
  Thank you
  Noelia

  I want to play two videos with only a MediaPlayer

  You can not.

  MediaPlayer documentation: http://docs.oracle.com/javafx/2.0/api/javafx/scene/media/MediaPlayer.html#MediaPlayer (javafx.scene.media.Media)
  "Create a player for a specific medium. This is the only way to associate a multimedia object with a MediaPlayer: once the player is created, it is not editable. The errors that occur synchronously within the constructor will cause exceptions to be thrown. The errors that occur asynchronously will cause the error to be together and therefore any recall onError property to call. "

  I have no exception, no error, nothing.

  Certain exceptions MediaPlayer, they occur asynchronously and you must explicitly add a listener for them, or you will never know that they occur.
  Your code has additional problems, for example, you cannot change an object built from a manufacturer after the object has already been built.
  --------
  What you want to read a video with a single MediaView, and have the second video starts automatically after the first video is over. Note that it is the MediaView that is shared, not the MediaPlayers.
  Here is an example for this.

  public class TwoVideos extends Application {
    public static void main(String[] args) throws Exception { launch(args); }
    public void start(final Stage stage) throws Exception {
      final StackPane layout = new StackPane();
  
      // create some media players.
      final MediaPlayer logoSrc   = // first video is just 16sec (thank goodness...)
        createPlayer("http://www.hackerdude.com/channels-test/20051210-w50s.flv");
      final MediaPlayer soludoSrc =
        createPlayer("http://download.oracle.com/otndocs/products/javafx/oow2010-2.flv");
  
      // create a view to show the mediaplayers.
      final MediaView mediaView = new MediaView(logoSrc);
  
      // play the logo video, followed by the soludo video, followed by a finished message.
      logoSrc.play();
      logoSrc.setOnEndOfMedia(new Runnable() {
        @Override public void run() {
          mediaView.setMediaPlayer(soludoSrc);
          soludoSrc.play();
        }
      });
      soludoSrc.setOnEndOfMedia(new Runnable() {
        @Override public void run() {
          layout.getChildren().remove(mediaView);
          layout.getChildren().add(new Label("All Done!"));
        }
      });
  
      // layout the scene.
      layout.setStyle("-fx-background-color: cornsilk; -fx-font-size: 20; -fx-padding: 10;");
      layout.getChildren().addAll(mediaView);
      Scene scene = new Scene(layout, 600, 400);
      stage.setScene(scene);
      stage.show();
    }
  
    /** @return a MediaPlayer for the given source which will report any errors it encounters */
    private MediaPlayer createPlayer(String aMediaSrc) {
      final MediaPlayer player = new MediaPlayer(new Media(aMediaSrc));
      player.setOnError(new Runnable() {
        @Override public void run() {
          System.out.println("Media error occurred: " + player.getError());
        }
      });
      return player;
    }
  }
  

  On my machine (win7, javafx 2.0, jdk7), this example will not work correctly about 50% of the time, the rest of the time I get an error from the corruption of the media reported, I guess due to errors in the media stack, because it works sometimes. I'll try it again with the next 2.0.2 version JavaFX and report a Jira if it still does not work. You can try the code above with your videos, and if he does not report errors to the command line, then likely will work best for you.