Epson TX420/NX420 Dell printer does not recognize my printer. I am running Windows 7

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  Original title: DVD player

  If it just happened all of a sudden, you can restore the registry files of the system in working order by following option n ° 1 on this page.  If this does not work, you can be reasonably sure that the configuration of the system is not the problem and start looking into other possibilities as a broken drive or a bad connection inside the cable.

• ITunes does not recognize my device. I have windows 10 on a HP Envy.

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  All the patches?

  Install the latest version of iTunes on your computer.

• Why the f2 of LV 2010 patch does not recognize installation of LV on my Windows 7 64-bit system?

  Hi all

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  Thank you all...

  Then This is the download page you should use.

  There is a link to a document containing a list of all the issues in 2010 SP1.

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• My Windows XP Dell computer does not recognize the external hard drive when it is placed in a port of USP to work.

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  I suggest you follow the troubleshooting steps form the article and check if it helps.

  A computer that is running Windows XP cannot detect a USB, an Apple iPod flash drive or an external hard disk drive

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• Wireless mouse does not. HP Pavilion dv7-2770us, running windows 7.

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• Keyboard does not work on Acer Aspire laptop running Windows 7

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  Hello

  (1) since when are you facing this problem?

  (2) remember to make changes?

  This seems to be a hardware issue, contact Acer to support more specialized on this issue.
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  The following steps are worth a try:

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• SOLVED! My new Dell Inspiron does not recognize my HP Officejet Pro L7680

  Tried USB in a different port and it worked!  All AOKAY.

  ---------------------------------------------------------------------

  I have tried everything I can, including downloading drivers and using the print and scan doctor, but without success.  The printer remains invisible to the computer despite a 'bong' telltale whenever the USB cable is connected between the two.

  Who has the magic secret?

  Brian

  Brian,
  The usb port that didn't work, maybe a bad port or incompatible.
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  2. usb port may be damaged (broken contact could cause the kind of question you see). There are a few contacts on the usb port, some power and some data. When a usb device is plugged in, you get the "bong", this means power is taken between the port and a PnP (Plug and Play) event is generated. The device checks with its info (PnP ID, etc.) if all of the son/contacts work, the computer gets this info and use it to identify the device and search for the best driver for it. One way to tell if the computer has obtained information is to look at Device Manager, if the computer has had the info, there will be a new added feature, those that he can find a pilot, will appear with the name and details, or if no driver is found, 'unknown device', but if you click on details, even if it is peripheral unknown It lists the ID of equipment, etc.). A "bong" without even an 'unknown device' means that the usb port is bad.

• Dell Precision does not recognize installed Plextor SATA CD/DVD-RW optical drive

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  Model is Plextor PX-810SA

  PC:

  • running XP Professional SP2
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• Sdatellite M100 does not recognize the CD/DVD drive in Windows XP

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  No mention of this in my computer.
  No icon.

  I am able to open the drawer and I put several types of cd/DVD in them without any result.
  The light flashes in orange on the door. The drive is listed as "Mat * advd-ram uj - 841 s-(sm)" in the bios under boot devices.

  I'm trying to figure out how to remove the drive and reconnect but it seems that I have to disassemble the thing to do and hesitate without a diagram.

  It is only a user guide in the downloads on this site so any help is appreciated: 0)

  Oh, I also downloaded the driver from this site for the drie. Before that, I uninstalled the drive in Device Manager, but there was no change when I installed the downloaded driver.

  Simply using a Ubuntu Linux live cd and it is running.
  Unfortunately its going to be hard to know for sure what the problem in this way because I don't want to install ubuntu on this machine it is someone elses machine and they are far from would you like to try linux.

  I'm in a live session now.
  Ah ok when I go in the media folder there is no mention of the cd/dvd drive.

  It is really a problem unless I can unplug physically the Mo and reconnect: 0 (Oh wait here it... is under 'cdrom' folder ' but only files with a relevance to the side by side with windows installation are mentioned... exe files, wubi etc..)

  Ah ok that's beyond my experience.
  Can someone give this amateur a tip?

  First remove the player of ODD (CD/DVD) from the list in Device Manager.
  Then access the registry and delete the Upperfilters and Lowerfilters completely from the following registry key values:

  HKEY_LOCAL_MACHINE \ FAT32\ CurrentControlSet \ Control\Class {4D36E965-E325-11CE-BFC1-08002BE10318}

  Finally, you must restart the device.

  Once again, windows will recognize the STRANGE

• Mac does not recognize an external HD

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  Computer does not recognize the HARD drive external source (Windows) PC or Mac?

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  It is better to format the drive external HARD on the PC.

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• iTunes does not recognize my iPod or my iPhone. And nothing worked I tried. I have the latest version of everything. I uninstalled and reinstalled my iTunes. I restarted my iPod and phone and your PC severally. And I tried every single USB ports.

  Yesterday I gor the latest version of iTunes, but it does not recognize my iPhone or iPod. So I put them both to the latest iOS update. He still does not recognize my device. I upgraded Windows 10 because that's what one of the websites I visited told me to do. But it is still worse. Now my PC says that it does not recognize the USB when I plug my iPhone or iPod, but something always pops up asking what I want to do with my camera. I have uninstalled and reinstalled iTunes and even my Apple device Service. I tried practically everything that is currently on the Internet. I just don't understand. Please help me.

  Try the following:

  1. Open Control Panel > Device Manager
  2. Plug in your device
  3. Locate Universal Serial Bus Controllers > Apple Mobile Device USB Driver
  4. Right-click and select software update of the driver...
  5. Click Browse my computer for driver software
  6. Go to C:\Program Files\Common Apple Mobile Device Support\Drivers or
     C:\Program Files (x 86) \Common Files\Apple\Mobile Device Support\Drivers
  7. Click on let me pick from a list of drivers for devices on my computer
  8. Click on Apple Mobile Device USB Driver
  9. Click Next, then close and exit the Device Manager

  TT2

• Inspiron 5749: BIOS update fails with the error 'Dell id does not match ".

  Hello

  I'm trying to update the BIOS of the Laptop Inspiron 5749. I downloaded the update file 3443A 07. EXE from Dell support website, where the update is supposed to be compatible with my system:

  -Dell Inspiron 3443/3543/5749 system BIOS;

  -Version A07.

  -Pull out the date 18 November 2015.

  I tried to install the update by using the utility to update the BIOS available in the start menu (after pressing F12). The update failed with the error message "Dell id does not match" or similar.

  Running the update of the session Windows don't seem to have any effect either.

  It seems that the update is only compatible with Inspiron 3443.

  Where can I get the update of the correct BIOS for my laptop? Any help is appreciated.

  The problem has been resolved by a motherboard replacement. Thank you.

• My computor does not recognize my dell 964 printer

  Original title: printer does not connect

  My computor does not recognize my printer dell 964 today, how to reconnect?

  Hello

  You did changes to the computer before this problem?

  Refer article with could help solve this problem.
  Printer in Windows problems
  http://Windows.Microsoft.com/en-us/Windows/help/printer-problems-in-Windows

• XPS 730 x company vista plug-and-play does not recognize the dell aio 962 printer

  XPS 730 x company vista plug-and-play does not recognize the dell aio 962 printer

  It is usually best to install the drivers before connecting the printer. Use the printer installation disk, if you have one, or follow the procedure here:

  http://support.Dell.com/support/topics/global.aspx/support/DSN/en/document?c=us&l=en&s=Gen&DN=TT1092882