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  #1  
Old 04-16-2015, 08:49 AM
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Graphic card

Hi guys,
I've not posted on here for goodness knows how long.
Anyhow, my mother purchased a new computer which has Windows 8.1, but only has onboard graphics.
I installed a new graphics card, but the machine doesn't seem to pass POST, or even give any display.

I've searched online, and the only way round it, is to disable secure boot, which then allows the unit to boot and display POST, but won't boot the OS, apparently I need to reinstall windows with secure boot off... Is this true? I'm still getting use to Win 8.

Anyone a way around this?
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Old 04-17-2015, 10:07 AM
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I would pull the new graphics card again and make sure it boots normally then. What was wrong with the on-board?

Graphics cards are often the most power hungry devices in our computers. Did you ensure the PSU can handle the extra demands. And also, many graphics cards require an additional 1 or 2 power connectors directly from the PSU.

You should not have to disable secure boot to install a card.
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Old 04-17-2015, 02:02 PM
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On board is poor for some games so went to add additional graphics.
PSU is powerful enough. I fix computers for a living but this has stumped me
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Old 04-17-2015, 04:24 PM
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Then it could be a bad graphics card. Again, I would uninstall it and make sure the on-board still works. You did remember to unplug the computer from the wall before inserting the card, right?
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Old 04-19-2015, 11:47 AM
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Yes I unplugged it from the wall.
The onboard works when I removed the GFX Card.
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Old 04-19-2015, 12:13 PM
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Then it sounds like a bad card - though it could be the slot, but I would guess card. You also need to make sure, as noted above, that card does not require additional power connections.
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  #7  
Old 04-19-2015, 01:10 PM
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The card works fine. In a Windows 7 machine no issues.
Card displays fine when secure boot is disabled. So nothing to do with power
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Old 04-20-2015, 11:46 AM
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Hmmm, then I am stumped too as I don't know why secure boot would be doing this with a "new" graphics card. But apparently, this is a known issue. See here.
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Old 04-20-2015, 04:37 PM
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Hi,
Thanks for the link, I did that before hand lol and yes, it now works. I think you have to disable secure boot which allows the unit to boot to the OS with legacy enabled. You then install the correct drivers, allow it to restart if necessary and then re enable secure boot. Seemed to work now.
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  #10  
Old 04-21-2015, 11:17 AM
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You said that was a "new" card. How old is this new card? What's the model number?
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