Blank display after enabling "secure Boot"

[djdany]

I've a very new system and just upgraded to Windows 8.1. There was a watermark that secure boot is not configured correctly, so in BIOS settings I enabled the Secure Boot, but when i restarted, the display was blank and still is.

I reset the BIOS by touching  metal thing on Clear BIOS, and when I turned it on, it turn off and on again but still no display. 
Then i removed the CMOS battery, and when I turned it on, the screen was black in bios part then turn on in windows load and i could access like normal. But again after I restarted, that never happened and still the display is blank even after I reset CMOS battery again and again.

How can I fix it? Any idea?

PC details: Z87-3DH, Nvidia GT 640 2GB, i7 4770.

[dmdilks]

What is going on is the computer is booting so fast that it you don't have time to do anything.

You might have to get the bios to load the backup bios.

http://forum.giga-byte.co.uk/index.php/topic,13351.0.html

[djdany]

Thank you for your post. it worked. I can have access to the Windows.

Just two questions:
Now is BIOS backed to the factory settings?
And is there any way to configure secure boot? or do not need to?

Thank you

[dmdilks]

I have read in other post that the big problem is the video card. If the video card is not UEFI it might be that.

I would wait till they fix it and the old saying is: Don't fix what isn't broke. 

[DaftHonk]

Installed a GTX770 from EVGA, secure boot enabled and working.  Now I'm not sure who we should be more angry with: MS for enforcing secure boot in Win 8.1, or the graphics card companies who seem to be the ones who will benefit the most from this issue.

[dmdilks]

This is like what happen about 10 yrs ago with directx 9 when Microsoft came out with it. So I would blame more Microsh%t than any body.

I just can't wait to they start posting that they can't run a dual boot system with this secure boot. Plus the secure boot has been there since 8.0

It just came more of a problem with the newer Bios and 8.1. The bois had to catch up with Microsh%t.