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Dell computer not recognizing HP monitor

Discussion in 'Hardware' started by Hehoward, Oct 19, 2011.

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  1. Hehoward

    Hehoward Thread Starter

    Oct 19, 2011
    My HP computer crashed and I bought a used Dell Optiplex GX620 Pentium D 3.00GHz. I tried to connect my HP monitor (vs15c LCD), and it doesn't recognize it. Do I have to get a Dell cord in order for it to work or is it something else? Since I can't use the monitor, I have no idea if the dell computer even works, just that it powers on. (I do know my monitor is working fine.)

    Any suggestions?
  2. cwwozniak

    cwwozniak Trusted Advisor Spam Fighter

    Nov 28, 2005
    First Name:
    Hi Hehoward, and welcome to TSG.

    1) Do the computer's diagnostic lights show a normal boot up of the motherboard?

    2) When you say you know the monitor is working fine, do you mean that the same monitor and same VGA cord work OK on another computer?

    3) If the answer to the first two questions is "Yes", with the monitor connected and turned on, try turning on the computer and tapping the F8 function key right away. This should display a low resolution Windows start selection. If you do get a display of the menu, then choose Safe Mode.

    You should then be able to try different higher resolutions to see if one works on your display.
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