Inserted a Radeon 7750 and comp wont boot.

Kyle Davis · Sep 5, 2013

I dont really know much about computers or anything related and the specs are pretty lame im assuming but i inserted the card and the computer doesnt boot. The fans spin and the screen lights up but remains black. Im on windows 8 and im not sure which information is needed and how to see that. Any help would be appreciated

vietguy357 · Sep 5, 2013

If you added a graphic card then remember to plug the video cables into the graphic card and not the motherboard video outputs. Also make sure that the graphic card is properly inserted as in make sure it is pushed all the way into the PCI-E slot and make sure you plug the power cable in for the graphic card.

Kyle Davis · Sep 5, 2013

vietguy357 :

Its all the way inserted and the monitor is plugged into the card and not the motherboard. As for the power supply i dont believe it needs a more powerful one? I could be wrong but i was told it wouldnt need an additional power source.

Kyle Davis · Sep 5, 2013

u_gonna_squeal_b4_we_cookya :

Black as soon as i push the button. I have no idea how to find those things out, if you tell me how id be happy to figure it out. Whichever is the default for the HP p7-1410 is what im using.

smeezekitty · Sep 5, 2013

Make sure primary video is set to PCI-E

Deemo13 · Sep 5, 2013

When you turn the computer on, are you able to see out of the motherboard graphics, or does nothing happen at all?

Kyle Davis · Sep 5, 2013

smeezekitty :

How do i go about doing that?

Kyle Davis · Sep 5, 2013

Deemo13 :

Nothing at all. The fan starts spinning and the screen lights up but remains black.

k1114 · Sep 5, 2013

This is caused from secure boot. Put the monitor back into the mobo. When you start the pc, press f10 to go into bios. Go to settings, general, advanced startup, advanced, uefi/firmware, disable secure boot, enable legacy.

vietguy357 · Sep 5, 2013

What you can try is to unplug any usb from your computer. Only have the video cable, power cable for the power supply, mouse and keyboard plugged in. Can you tell me your system spec? like the processor and power supply?

Kyle Davis · Sep 5, 2013

vietguy357 :

Not 100% on this but it looks like 300w max @25 degrees celsius
As for processor its Intel(R) Core(TM) i3-210 CPU @ 3.40 ghz

Kyle Davis · Sep 5, 2013

u_gonna_squeal_b4_we_cookya :

Put the monitor back into the motherboard. Go into BIOS. If you don't know how, check the user manual but most likely it is either DEL, F2 or F11. You need to press the key at a certain point after the PC does a self check and before the OS boot begins. What I do is tap the key until the BIOS pops up; no timing involved just brute force without triggering a keyboard error. Once in the BIOS, look around the menus for a Graphics setting. There should be a setting to change the primary display adapter. It might say iGPU to dGPU or PCIe or intergrated to PCI. Then reset. Put the monitor back on the 7750. If it still is black, put the monitor back on the motherboard and boot into windows. Install the 7750 drivers from the internet (they will be most up to date). Shut down and put monitor on 7750.

If it still doesn't work, your PC might not allow upgrades which is common on pre-built PCs like HP and Dell. Or, it might need a BIOS update.

Gonna try this now, Thank you and will get back to you.

Edit: Windows 8 makes your solution very difficult. Any other tips?

Kyle Davis · Sep 5, 2013

k1114 :

I figured out how to get into the bios on windows 8 but the procedure is not the same, any step by steps for windows 8?

k1114 · Sep 5, 2013

Bios isn't going to be different no matter what windows version you have but will differ from mobo to mobo. It may be under cpu settings, just look everywhere for something that says secure boot.

Saying it's common to not be upgradable is a complete lie. Other than being soldered to the mobo or not having expansion slots, you can upgrade.

This issue happens on all pcs with w8, uefi and secure boot. Enabling secure boot doesn't let you change hardware until you disable it.

Kyle Davis · Sep 6, 2013

k1114 :

I eventually found my way through it you way and it worked up until a point. Ive no options left but to assume it was in fact a faulty card. The price you pay for using a used card i suppose. Thank you very much for your trouble.

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