Having problems with your Dell OptiPlex GX620 PC Desktop ?

Error: Cannot Display This Video Mode

\015 I have just had XP re-installed on my Dell Optiplex GX620. I have connected my computer to my Dell Flat Panel display (Model: E151FPB) and as Window boots I get the error message ''Cannot Display This Video Mode''. I have checked the Dell tech Support web site http://support.dell.com/support/topics/global.aspx/support/dsn/document?c=us&l=en&s=gen&dn=FA1079260 and tryed the recommended fix of turning the display off for 15 secs (both the power button and unplugging the mains power cable). This has not worked and I still have the problem.\015

Answers :

You may have to boot into safe mode and reset the video settings to a safe setting like 1024x768.

\015\012
    \015\012
  1. To get into safe mode, continuously press F8 while the computer is booting up.
  2. \015\012
  3. Eventually you will get a Windows XP Boot Menu.
  4. \015\012
  5. Choose the option for Safe Mode.
  6. \015\012
  7. Go to Start, Control Panel and double-click Display.
  8. \015\012
  9. On the Settings tab, drag the slider bar to 1024x768.
  10. \015\012
  11. Click OK
  12. \015\012
  13. Shut down and reboot.
If the problem goes away, then you are good. Otherwise, you'll have to boot menu again (F8) and choose Enable VGA Mode.
I fixed the problem as follows:
\015\012
\015\0121/ Uninstall the existing display driver through Device Manager
\015\0122/ Reboot the PC - Should display fine with default Windows driver
\015\0123/ Install new display driver from windows update or DELL Support
\015\012
\015\012All should now work fine.
\015\012DCF
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