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no boot after installing new vga card

By donalconlon ·
I have bought a new ati agp graphics card and when I install it the pc will not boot up. Nothing appears on the screen and no beeps are heard from the bios. I would have thought if the card was faulty it would beep a few times. My older agp cad works fine. Any help appreciated. Thanks.

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no boot after installing new vga card

by Albert Franco II In reply to no boot after installing ...

I've had more than one run in with the drivers for these cards...

Assuming you use Windows...
Put the old card back in the computer. If you never got a chance to change the drivers then the old one is still in place. Your machine should start again. Now change the video adapter to the plain VGA driver.

Make sure it starts ok with the old card. Now change to the new card. It should now start okay. If every thing went well then you can use the driver CD that came with the card to install the new drivers.

If it still doesn't work try to start Windows in Safe mode. If it starts okay then I would go back to the old card and try to install a different VGA adaptor(there are two or three versions with different resolutions). If it doens't start in Safe mode then the card may have a problem. If the card never shows any kind of response to the system (eg. no boot up screen or system definition screen) then the card is most likely bad.

I keep advising you to put the original card back when searching for a VGA driver because I have found the ATI cards to be VERY stubborn when trying to switch from a non-functional driver to a VGA driver. And the ATI drivers must be installed from the plain VGA adapter, not a mismatched other card driver.

But before returning it make sure that it is firmly plugged into its socket and that the cable to the monitor is correctly plugged in. YES! It is possible to force the cable into the "backwards" position.

I don't know why but the ATI cards are a pain in the rear to install as upgrades.

Good Luck,
Al Franco, II

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no boot after installing new vga card

by donalconlon In reply to no boot after installing ...

Thanks for the help. The card itself is not working.

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no boot after installing new vga card

by donalconlon In reply to no boot after installing ...

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