Status of bad jpeg JPGDEC 23

Similar Questions

• Bad JPEG quality

  When I do a cover of the video of a JPG file, zoom in and out. The quality seems to be really bad. The images are 2000 x 2000 and it seems to work fine in previous versions of first (cs5, cs6). But now it does not give the same quality in CC.

  Someone knows what to do?

  Best,

  Roy

  [The thread title updated for clarity.]

  Published by Jim Simon

  Check if "adapt to the size of the image" is enabled/disabled.

  Turn it off so that the JPG is imported to its native resolution.

  I'm not sure, but what might happen is that, with TF enabled size scale, he forces the width in pixels 2000 to be visible in the width of 1280.  Therefore, you can be overcompenasting the amount of pull-in for your 20%.  Just a theory!

• 400 bad Request HTTPS on FF 10.0.1, 1o.0.2 vital security Proxy

  I use Firefox on W7 in the office. Our company uses a Proxy of vital for Internet access security. After the upgrade from 9.0.1 to 10 FF FF (10.0.2 including), I have problems to access HTTPS sites. The proxy returns the following error message:

     HTTP Error Status: 400 Bad Request
     Error Reason: Malformed HTTP request
  

  It still works without any problem after downgrading of 9 FF or IE, so it's certainly a problem of FF 10.

  Update: the problem has disappeared without me changing anything (FF 10.0.2). Most likely, there was a problem with the proxy server itself rejecting valid requests for some reason, may have a problem with the user agent in the filtering rules. So it wasn't a problem in Firefox. Thank you for your support.

• Its status

  Hi guys,.
  
  I'm trying to put in place a sound status very simple if statement but I get this error message and I have no idea why - ' not found in the object handler: #status.
  
  When you enter the framework one its played on the channel. There is a button stop and pause that work very well simply by saying channel 1 for stop or pause. However, on the play button, I have the following code:
  
  on mouseUp
  If sound (1) .status () = 4 then
  Sound (1). Play()
  on the other
  Sound (1). Play (Member("Cap-More-Sound"))
  end if
  end
  
  This simply indicates that if channel 1 is paused, and then play or if anything else, play 'Cap-more-Sound' and I don't know why I get the error message. Any idea?
  
  Thank you very much!

  You don't need parentheses after the status:

  BAD:
  If sound (1) .status () = 4 then

  FIX:
  If sound (1) .status = 4 then

• Unable to access SSL Web site when company proxy use man-in-the-middle attack to scan SSL traffic

  Our company uses a proxy server that analyzes the SSL traffic on web sites. This is done via man-in-the-middle attack. The proxy generates a new certificate on the fly that it sends to the client, impersonate a secure server.
  After upgrading from Firefox 10.0, I always get error:
  Error HTTP Status: 400 Bad Request
  After the confirmation of a security exception.

  Maybe this is related to the difficulties of the attack of the BEAST bug (browser exploit against SSL/TLS)

  • bug 702111 - intolerant servers to record split of 1: n-1. "The connection was reset" (see also the comment 60)

• Need advice on replacing hard drive Toshiba

  I have other manufacturers with a 60 GB MK6021GAS HDD Toshiba laptop. According to me, the hard disk is endangered and I want to shoot anything on the restore disc to another new. I need everything from the disk because the OS image is one that has been charged by the company, with that I have a contract and apparently the standard that came with the laptop is not compatible with their applications that I have also loaded on the laptop.

  I don't want to travel more than 100 miles in business COMPUTING of offices to have another OS loaded on the new drive I did not, so what I guess I want to do is to create an accurate picture of the existing drive, then restore the image to the new drive when I get it.

  I tried to make an image of the disc using Paragon exact Image 7 SE, but download from the failed hard drive on a dump of DVD disc fails consistently, after copying 1.6 Go Go 8,32, the statement that the hard drive is damaged.

  Another piece of software, Active SMART also reports that of the disk failure is imminent, reporting a status of 'Bad' for this disc. I have run chkdsk many times over the past months on the hard drive and on a few occasions, he isolated the defective sectors. So, everything indicates that the days of the disk being really numbered.

  I want to be able to do is buy another unit of MK6021GAS HDD and get all the files from that defective to the new without having to reload the operating system, data software application etc.

  Is this possible? If Yes, what is the best way? How can I get all of the disc if this software Paragon doesn't let me extract everything? Any advice greatly appreciated.

  Thank you
  Phil.

  Hi Phil,

  Your problem seems to be that certain parts of your drive hard existing cannot be read and thus your attempts to copy the data on the drive will fail. You will need to use a suitable backup utility must take into account segments on your drive so that you can get a copy of safety as much as possible your system.

  I know that Norton Ghost has the option to ignore bad sectors when you take a backup (I myself have used in the past). You could then do a restore of the magnified image to a new disk, but if ignored bad sectors were in a critical area of the operating system, then you still have problems after restoring.

  Alternatively, you can copy both of your personal folders as possible to an external support and then reinstall your OS from scratch even if obviously would need you a valid drive of installation/recovery of Microsoft (or OEM). You can then restore your personal files.

• LabVIEW:EXE generates the error 1003 calling plugin with the type definition

  Hi all

  I am running LV 2012 on a Win 7 machine. I had this same problem with LV 2011, so I'm sure that's not associated with version/upgrade.

  Go to a LV-built EXE, I try to call a dynamically loaded Subvi. I did it several times with success before, so I think I know how. I prefer to use the call by reference, but I get the error 1003 Open Ref VI (with the type specifier). If I use the type specifier, can I open the Subvi, but the State is listed as 'bad '. Then, I went to recursively through all the subVIs (~ 25 in total) and concluded that the only item with a status of 'Bad' was a type definition.

  I checked several times, several different, that all ways the subVIs (and the definition of Type 'bad') are available to the Subvi dynamics. I did that the type definition is correct. I have also made sure the subVIs are stored as .VI files in the same directory and not within an EXE file. When I try to run the VI run call node, I still get the error 1003. I checked the path that displays in the error dialog box is the exact path for the Subvi (it would be for other VI properties and methods working properly).

  Why can't I run a sub - VI loaded dynamically from an executable if it has a type (a group of 3 trails) as output parameter definition?

  I just tested an idea: rename the library from project to project A create script. Now when it loads, it does not disturb what he must internally with externally called Subvi (dynamic). It worked the first time!

• HP Color Laser Jet CP1215: print - guard 'book light' flashing - printer stops charging of paper does not alter

  Hello!

  For about a week, I have the following problem with my HP Color Laser Jet CP1215: after 2-3 pages of printing, the device stops abruptly in the middle of a job and the light number 5 (paper) continues at the flashing light.

  However, the bin is full with paper.

  Ignitions and extinctions help only for another 2-3 pages, then printing will stop again as described above.

  Is there maybe a photoelectric cell that needs to be cleaned or a mechanical part that gives the status of bad paper from the paper tray to the printer?

  Thanks in advance for any help,

  Best wishes

  Herwig

  Hi @wigl,

  Welcome to the Forums of HP Support!

  I see that your HP Color LaserJet CP1215 printer stops printing when the print jobs. I'd be happy to help you and don't forget to come back to this thread and check "Accept as Solution", if I have successfully helped solve you the problem. If you want to say 'Thank you' to my effort to help, click on the "thumbs up" to give me a Kudos.

  I can see how frustrating it would be. To determine the cause, we need to use more than one document. Redundant that some steps may seem, I would execute all.

  Please, try the steps in this these guides:

  • HP Laserjet CP1215 and printers CP1217 - 'paper ' Error Message is displayed and the printer does not look upward or feeding paper.
  • The Paper Jam flashing on HP Color LaserJet CP1215, CP1217 printer.

  If the problem persists, try a hard reset:

  • Let the printer and disconnect the printer cable and the wall socket for 60 seconds.
  • Reconnect the power cable to the output of the printer and the wall, and not a surge protector. This ensures that the printer is full on and can help this situation.
  • Make sure that the printer is connected directly to a wall outlet. (do not use a hub or a surge protector) This ensures that the printer is full on and can help this situation.

  Please reply to this message with the result of your troubleshooting. I can't wait to hear strings attached good luck!

• NSS 324: Replacement HD + info about RAID 5-> RAID 1

  Hello

  First of all sorry for my English, I'll try to do my best...

  I have a NSS 324 with 4 HD 2 TB (Ref: WDC WD20EVDS-63T3B0 01.0 to 4 HD), the system is configured with RAID5.

  (1) when I go to "Disk management" > "Volume Management", then under the title "current disk Volume Configuration: physical disks ' I have this information:

  Disc	Model	Capacity	Status	Bad blocks scan	SMART information
  Disc 1	WDC WD20EVDS-63T3B0-01.0	1863.02 GB	Loan	Scan now	Normal
  Player 2	WDC WD20EVDS-63T3B0-01.0	1863.02 GB	Loan	Scan now	Good
  Disc 3	WDC WD20EVDS-63T3B0-01.0	1863.02 GB	Loan	Scan now	Good
  Disc 4	WDC WD20EVDS-63T3B0-01.0	1863.02 GB	Loan	Scan now	Good

  I'm intrigued about the status of 'NORMAL' in the column of INFORMATION SMART.  for disk 1... Is this a major problem right now? Should I buy a new HD and replace as soon as possible the first? If so, what type of HD buy? Exactly the same model, or another (with similar connectivity) could work as well?

  (2) regardless of what I've written above, is it possible to change RAID1, RAID5 without data loss?

  Thank you all for reading and helping.

  CIPLL

  Hi CIPPL,

  Firstly, thank you contact Cisco Technical Support and check if your device is still under warranty we can do for HARD drive replacement

  http://www.Cisco.com/c/en/us/support/Web/TSD-Cisco-small-business-suppor...

  If this isn't the case, we have a list of compatibility for the hard disk to NSS324 please visit this link:

  http://www.Cisco.com/c/dam/en/us/TD/docs/storage/NASS/csbcdp/smart_stora...

  to have a different model of the disk hard is not really recommended, but can it can work.

  That offer us

  d ' have a backup of the data is necessary if you can not find the same model of HDD.

  -Try to have only one of the hard drive listed in the list picked up and trying to replace the hdd1 with a new one and if automatically discover and rebuild the raid we are ok :) if did not please go before having another hard drive 3 and replace the entire hard drive

  for HARD drive replacement.

  If you want to replace just one disc, so you do not have to reboot or turn off the NSS just replace the old with the new and the NSS will be discovered and rebuild the raid

  If you want to replace the entire disk please do one by one up to complete the reconstruction and insert another... without also turning off the NSS in this case we need any backup data

  Or

  Do the backup data do by default and put all the new drive unit and Raid reconstruction and you can of course in this case change get rid of 5 to 1

  Backup of data if you also want to try to have another HARD drive not the same model, because we cannot guarantee 100% positive result

  Thank you

  Mehdi

• Exact online: get a token oauth2

  Hi all

  I'm fighting to connect our Coldfusion (x 64) 11 oauth2 used by Exact Online Accounting s APImethods.

  Every call that I always return status 400 - Bad request. No additional information is provided, nor found on their development site.

  I've been in contact with their support team, but as they have no knowledge of Java/Coldfusion, they just to send me an example of call .net HTTP:

  strTokenBody = "code=" & strCode
  strTokenBody = strTokenBody & "&client_id=" & strClientID
  strTokenBody = strTokenBody & "&client_secret=" & strClientsecret
  strTokenBody = strTokenBody & "&redirect_uri=" & strCallbackURL
  strTokenBody = strTokenBody & "&grant_type=authorization_code"
  byteArray = Encoding.ASCII.GetBytes(strTokenBody)
  uri = strBaseURL & "/api/oauth2/token"
  
  Dim req As WebRequest = WebRequest.Create(uri)
  req.ContentType = "application/x-www-form-urlencoded"
  req.Method = "POST"
  req.ContentLength = byteArray.Length
  
  Dim stream As Stream = req.GetRequestStream()
  stream.Write(byteArray, 0, byteArray.Length)
  stream.Close()
  

  The credentials, I do check and work with the sample code above, according to the employee of the assistance service. Then, he stressed that the HTTP body must be an array of bytes to an ASCII encoded string, which is a count of all parameters to pass.

  I tried following approaches:

  -J' checked on the PHP code example that the Exact has put in place, but I can't determine the setting that escapes me.

  -changed the URL of the call to a local model to drop the demand (and headers) and I see that all the settings are there and that it appears correctly.

  Can someone point me in the right direction on how to proceed in this?

  Thanks for reading so far,

  Regards Bert.

  CFC, I did:

  <cfcomponent>
    <cfscript>
    // define all paths used for interfacing
    VARIABLES.Exact = {
    URL = {
    main = "https://start.exactonline.be/api", // main access URL
    authenticate = "/oauth2/auth", // for optaining an access code
    token = "/oauth2/token", // to get / refresh an access token
    user = "/v1/current/Me" // get current user data
    },
    access = {
    client = {
    name = "MyName", // from API access token
    id = "pre-generated API Id ", // from API access token
    secret = "pre-generated API secret" // from API access token
    },
    redirectURI = "My Site URL", forceLogin = 0,
    code = "Optained code through manual login form"
    },
    settings = {
    grant_authorization_code = "authorization_code",
    grant_refresh_token = "refresh_token",
    response_type_code = "code"
    }
    };
    // define the access token used in all API calls. Must be optained before starting any work.
    THIS.token = {
    access = "", // access key used for the session
    type = "", // type of token
    expiresIn = 600, // seconds the token will be life, default = 10 min
    refresh = "" // handle used to refresh current
    };
    </cfscript>
  
  
    <cffunction name="CreateASCIIByteArray" access="private" returntype="Any" output="false" hint="Converts a ColdFusion string to an ASCII Java byte array.">
    <cfargument name="str" type="string" required="true" hint="The string to get the byte array for.">
    <cfscript>
    return ToBinary( toBase64( ARGUMENTS.str ) );
    </cfscript>
    </cffunction> 
  
    <cffunction name="GetToken" access="public" returntype="any" output="false" hint="">
    <cfscript>
    LOCAL.URL = VARIABLES.Exact.URL.Main & VARIABLES.Exact.URL.token;
    LOCAL.result = DoHTTPRequest(
    method = "post",
    url = LOCAL.URL,
    params = [
    NewRequestParam(type="formField", name="client_id", value=VARIABLES.Exact.access.client.id),
    NewRequestParam(type="formField", name="client_secret", value=VARIABLES.Exact.access.client.secret),
    NewRequestParam(type="formField", name="redirect_uri", value=VARIABLES.Exact.access.redirectURI),
    NewRequestParam(type="formField", name="grant_type", value=VARIABLES.Exact.settings.grant_authorization_code),
    NewRequestParam(type="formField", name="code", value=VARIABLES.Exact.access.code)
    ]
    );
  
    return LOCAL.result;
    </cfscript>
    </cffunction>
  
    <cffunction name="NewRequestParam" access="private" returntype="struct" output="false" hint="Creates a new request parameter">
    <cfargument name="type" type="string" required="false" default="URL" hint="[header,CGI,body,XML,file,URL,formField,cookie]">
    <cfargument name="name" type="string" required="true" hint="Name of the parameter">
    <cfargument name="value" type="string" required="false" default="" hint="value for the paramter">
  
    <cfreturn ARGUMENTS>
    </cffunction>
  
    <cffunction name="DoHTTPRequest" access="private" returntype="Any" output="true" description="performs an HTTP request and returns the result as a structure.">
    <cfargument name="method" type="string" required="false" default="get" hint="[get,post,delete]">
    <cfargument name="url" type="string" required="true" hint="the complete URL to call">
    <cfargument name="params" type="array" required="false" default="#ArrayNew(1)#" hint="parameter list to send along the request, created with NewRequestParam().">
    <cfscript>
    // launch the http request
    LOCAL.httpRequest = new http(
    method = uCase(ARGUMENTS.method),
    charset = "utf-8",
    url = ARGUMENTS.url,
    compression = "none"
    );
  
    if (ARGUMENTS.method == "post") {
    LOCAL.httpRequest.setMultipartType("form-data");
    }
  
    // add params to request body
    LOCAL.body = [];
    LOCAL.paramCount = arrayLen(ARGUMENTS.params);
    for (LOCAL.index = 1; LOCAL.index <= LOCAL.paramCount; LOCAL.index++) {
    LOCAL.currentParam = ARGUMENTS.params[LOCAL.index];
    if (LOCAL.currentParam.type ==  "header") {
    LOCAL.httpRequest.addParam( argumentCollection = LOCAL.currentParam );
    } else {
    arrayAppend(
    LOCAL.body,
    LOCAL.currentParam.name & "=" & LOCAL.currentParam.value
    );
    }
    } // end-for
  
    LOCAL.httpRequest.addParam(
    type = "body",
    value = CreateASCIIByteArray( str = arrayToList(LOCAL.body, "&") )
    );
  
    // fire request
    try {
    LOCAL.http = LOCAL.httpRequest.send().getPrefix();
    // return serialized filecontent when able.
    if ( isJSON(LOCAL.http.FileContent) ) {
    LOCAL.return = deserializeJSON(LOCAL.http.Filecontent);
    LOCAL.return.statusCode = listFirst(LOCAL.http.statusCode," "); // status code is returned as "200 OK" instead of the number.
    } else {
    LOCAL.return = {
    statusCode = 500,
    message = LOCAL.http.Filecontent,
    request = LOCAL.httpRequest,
    result = LOCAL.http
    };
    } // end-if
    } catch (any except) {
    LOCAL.return = {
    statusCode = 500,
    message = except.type & " : " & except.message,
    URL = ARGUMENTS.url,
    params = ARGUMENTS.params,
    fullExcept = except
    };
    } // end-catch
    return LOCAL.return;
    </cfscript>
    </cffunction>
  </cfcomponent>
  

  I finally managed to make it work, but it seems that exact online needs a few valid userAgent sent along! CF sends the value 'Coldfusion' as the default user agent string.

  Right now I put in userAgent = "Mozilla/5.0" in my cfhttp, I got my symbolic discount.

  To be on the safe side, I also added compression = 'none' setting to my cfhttp.

  Best regards, Bert.

• ESX 4 allowing debugging serial Misc.SerialPort error

  Hello

  I try to enable the logging of the serial port and did exactly as it says in the document of the knowledge base

  When I try to change the value of Misc.SeriaPort to 1 or 2, a message appears on the vSphere Client saying this is not not a valid entry.

  I'm stumped and have done sufficient research before posting this question here. Can someone help me please?

  I enclose the screenshot of the message.

  Thanks in advance,

  Nava

  I am able to change the advanced configuration of the host ESX Misc.SerialPort 1 but not 2. Once I have changed it to 1, it does not allow me to reset to 0 or turn off. This works on ESX and ESXi 4 running 4.0u1, although the value 2 or COM2 does not work for each system and may be a bug.

  ~ # esxcfg-advcfg /Misc/SerialPort -g
  Value of SerialPort is 1
  
  ~ # esxcfg-advcfg /Misc/SerialPort -s 1
  Value of SerialPort is 1
  
  ~ # esxcfg-advcfg /Misc/SerialPort -s 0
  Exception occured: SysinfoException: Node (VSI_NODE_config_intOpts) ; Status(bad0007)= Bad parameter; Message= Set Failed.  Check VMkernel log for more information
  
  ~ # esxcfg-advcfg /Misc/SerialPort -s 2
  Exception occured: SysinfoException: Node (VSI_NODE_config_intOpts) ; Status(bad0007)= Bad parameter; Message= Set Failed.  Check VMkernel log for more information
  

  If you look in the VMkernel (messages for ESXi) you will see the following error:

  Config: 289: "SerialPort" = 1, Old Value: 1, (Status: 0x0)
  Config: 289: "SerialPort" = 1, Old Value: 1, (Status: 0xbad0004)
  Config: 289: "SerialPort" = 1, Old Value: 1, (Status: 0xbad0004)
  

  If you can't change it even at 1, then I would say that you have a problem and might resolve of either A) update or 4.0u1 B).

  Best bet is probably file an SR with VMware to confirm, but I'd say it's certainly a bug

  =========================================================================

  William Lam

  VMware vExpert 2009,2010

  VMware scripts and resources at: http://www.virtuallyghetto.com/

  Twitter: @lamw

  repository scripts vGhetto

  Introduction to the vMA (tips/tricks)

  Getting started with vSphere SDK for Perl

  VMware Code Central - Scripts/code samples for developers and administrators

  VMware developer community

  If you find this information useful, please give points to "correct" or "useful".

• Quality of export in After Effects

  I use After Effects CS4 and exported as MPEG-4.  The quality of the final film is very poor.  It looks like a bad JPEG quality.  Preview of After Effects, it seems.

  I am familiar with the export of quality on the first video.  Is the usual workflow to open the AE in the first projects and use the options there to export?  Or did I miss something in the AE?

  > Is it possible to include audio with Composition > add to render queue?

  "FAQ: why are there no (audio) in my output file?

• Need help with a & quot; simple & quot; problem :)

  Hello everyone!
  I would be very happy if someone could help me! I created a test with AW and it works very well. My problem is that in the file ".txt" is created (appendextfile), 'firsttrycorrect' responses continue to add themselves among the exercises. How can I do to set the meter to zero, so that each exercise has is own number of right answers? What I have to restart each time the file? !
  Thanks in advance...

  Just to be clear: you want to use the FirstTryCorrect variable;
  the FirstTryCorrect variable to reset when you access the following year? Try
  Initialize (FirstTryCorrect) at the beginning of the next fiscal year.

  HTH;

  Amy

  "oukaischunomai" wrote in message
  News:fmo42t$s7o$1@forums. Macromedia.com...
  > Thx reading me :) I'll try to be clear, but I'm sorry that I don't know AW
  7 >
  > very well and my English is not good...! If I create a program:
  > first
  > first, the person must enter its name ("username") and a .txt file
  > is
  > created in his name. The person must then click on a button
  > to
  > choose what he or she wants to study (he or she has the choice between 3
  > exercises:
  (> active/passive/parent phrases). In all the exercises, the person must
  > read a
  > wrote the sentence and then choose the image corresponding to the sentence
  > between 4
  > choice and finally click on it (I created an interaction and 3 answers
  > have
  (> the status of 'bad' and only 1 has the 'correct' status). Then it goes to
  > the
  > following sentence. At the end of each fiscal year (active/passive/parent), the
  > results are documented in the file .txt created previously (I put simply:)
  > AppendExtFile (username ^ ".txt";) FirstTryCorrect)), so I can have a
  > your comments
  > on the performance of the person... I hope it is clear enough for the
  > time? :) My problem is: when the person starts the 2nd exercise
  > (passive).
  > maintain the correct answers in addition to them from 1
  > exercise
  > (active). So my question is, how can I do, for the good answer «»
  ' > counter "is back to 0 at the beginning of each new fiscal year?
  >

• Aster Disk:S.M.A.R.T PRI hard status BAD, Backup and Replace

  My dear, please help me
  When I start my computer the msg show on screen
  Aster Disk:S.M.A.R.T PRI hard status BAD, Backup and Replace

  Press F2 to RESUME

  [transferred from viruses and malware to the Windows/Hardware forum space]

  This indicates that your hard drive is bad or is going to fail fast.  There is nothing regarding viruses or malicious software.  See this link:

  http://www.computerhope.com/issues/ch000184.htm

• ? Primary Master Hard Disk S.M.A.R.T. Bad Status. WARNING: Return immediately-up your data and replace your hard drive.

  When I start my computer, an error page appears. At the bottom of the page it says, "Primary Master Hard Disk S.M.A.R.T. Status Bad." WARNING: Return immediately-up your data and replace your hard drive. Press F1 for Setup, F2 to continue"I was just pressing F2 and then it starts normally, but whenever I start my computer, the same page comes up.

  Is this serious or it could be something minor? Do you have any suggestions? What does that mean? What should I do? I followed some information in the forums of someone who has had the same problem and finally, they fixed them, they said that when they made a prior microsoft update what they where missing a Parcer.

  Note: I tried to save my data before, but something goes wrong and the backup will not be completed.

  You can download the program for diagnotics HUtil Samsung http://www.samsung.com/global/business/hdd/support/downloads/Hutil210_iso_for_CDROM_drive.zip

  It's an ISO image then unzip the file and write the ISO image to a CD.

  Then restart the PC and booting with the CD. To do this, you must change the priority/boot order in the BIOS to boot from the CD first.

  Once you have started the program HUtil it will detect your hard drive Samsung. Select the hard disk.

  Enter the main Menu on the tool. Go into the menu of the tool and enter Auto diagnosis. Enable diagnostics to run, once done it will ask you if you want to perform a surface analysis - enter Yes. The analysis of surface will take some time to complete. If errors are found, it reported.

  Once more I recommend you backup your data as soon as possible, preferably before executing HUtil program.

  For more information on the program of HUtil you can go here: http://www.samsung.com/global/business/hdd/support/utilities/Support_HUTIL.html

  Write when the cache is enabled: when data are written back to the hard drive, it is written in the cache that is much faster to actually write to the hard drive. An acknowledgement of receipt is then sent by saying that the data has been written on the hard disk, when in fact it does not. In this way so that the data is actually being written to the hard drive to the rest of the system can continue to work. However memory cache is volatile, if the power goes off, the data in the cache is destroyed and if it has not been written to disk hard and yet he's lost.

  If your settings are correct. Usually the drives are configured for performance and the write cache is enabled. While flash drives and memory cards are configured for the fast-moving and write cache is disabled.

  If you want to learn more about this: http://www.pcguide.com/ref/hdd/op/cacheWrite-c.html