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Unable to Enter BIOS or boot Windows (Black Screen)

Last response: in Motherboards
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March 4, 2014 9:27:23 AM

I built my PC a little over a year ago, and the only problem I've ever had is being unable to get into the BIOS. If I hit the delete key during post (or try any of the other options other than letting Windows boot) I just get a black screen. I heard that resetting the cmos battery could solve this problem, so I took it out for about a minute and put it back in. Now, it seems like my motherboard doesn't know to boot from the SSD I have windows on, so I just get a black screen if I try to enter the BIOS or load windows. Can anyone help me with this problem?
a b V Motherboard
March 4, 2014 9:42:51 AM

who manufactured your motherboard, what is its model number? We could then find out what key you have to press to get into the bios.
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March 4, 2014 9:45:21 AM

It's a Gigabyte Z77X-UD3H. It says to press the delete key, but it just displays a black screen if I press delete. It also says F12 is boot options, but if I press F12 it just gives me a black screen.
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a b V Motherboard
March 4, 2014 9:46:56 AM

The reason when pressing the key to enter the bios you are met with a black screen.
Is because if you have a motherboard with on board graphics ports on it.
And also have a Pci-e card fitted.

Is because the bios out put is displayed on the on board graphics port of the motherboard.

Connect the monitor display cable to the back of the motherboard.

Then enter the bios, and change the default graphics card to be initialized to Pci-e first in the list.
Save the settings before exiting the bios.

Then move the cable back to the card in the Pci-e slot.
The next time you press the key to enter the bios it will be displayed on the Pci-e card.

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March 4, 2014 9:50:27 AM

Shaun o said:
The reason when pressing the key to enter the bios you are met with a black screen.
Is because if you have a motherboard with on board graphics ports on it.
And also have a Pci-e card fitted.

Is because the bios out put is displayed on the on board graphics port of the motherboard.

To get the bios to display on the Pci-e card the option of Pci-e must be selected and saved in the bios.



I do have a graphics card installed. I tried using the on board graphics once but my TV said no connection. Should I try taking out my graphics card and connecting with the onboard graphics?
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September 7, 2014 5:38:09 AM

I'm having the same problem... But I don't think iv got on board graphics. Did you manage to fix this problem?
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September 7, 2014 7:42:17 AM

I found a solution, after 3 days of reading forums, taking the battery out, using a jumper to clear the CMOS. For some reason the bios doesn't like my monitor maybe resolution related? Not to sure but I just simply plugged in my tv and It popped up. Unfortunately every time I need to go into the bios I've got to go through my tv. Hope this helps
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