Gigabyte MOBO- blank screen after cmos clear? TRY THIS!!!

July 7, 2018 at 14:07:23
Specs: Linux x86_64, AMD6600/ 4g ddr3
There are so many issues regarding bios on gigabyte boards. I just replaced one (ga-f2a78m-hd2) with a similar model (f2a68hm-h) only to have the SAME ISSUE after clearing cmos on the new one! Remembering that some people are having issues with which graphics card they are using, or on which one the display works for bios recovery, I switched the monitor to VGA from HDMI, and plugged into the VGA port. THERE was the bios recovery screen, waiting. Would not display on HDMI, but WOULD on VGA. As soon as I acquire some more ddr3 and another APU, I'm going to try the old board out the same way- I bet it still works.

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#1
July 7, 2018 at 21:21:57
Not really a surprise to me.

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#2
July 8, 2018 at 07:29:20
No surprise here either. Clearing CMOS resets the BIOS settings to defaults - onboard graphics is usually one of those defaults.

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#3
July 8, 2018 at 22:02:40
Still have the same problem with this board as the last- any command at the splash screen is a waste of time. WILL NOT enter bios or boot menu, regardless of what display you are using. Tired of dealing with it. Just using it and leaving my remaining brain cells for something more important.

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#4
July 9, 2018 at 06:11:57
You may be waiting too long to enter keystrokes. What type of keyboard are you using? Wireless USB probably won't work in the BIOS screens. Wired USB needs to be connected to a USB port that is integral on the motherboard. No USB hubs. Start continuously tapping the Del key as soon as you start the computer.

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#5
July 9, 2018 at 13:07:56
Both boards mentioned have a PS/2 port, so you should be using a PS/2 keyboard to enter the BIOS. Once you're in, you can enable USB but if you clear CMOS again, you will have to go back to the PS/2 keyboard.

https://static.gigabyte.com/Product...


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#6
July 10, 2018 at 09:30:58
PS2 keyboard. No matter what I do, will not enter boot menu, bios, or anything from splash screen, no amount of keypounding.

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#7
July 10, 2018 at 14:06:46
I believe the key to enter the BIOS on most Gigabyte boards is Del. When you cold start the computer, immediately begin tapping the Del key, don't wait for the splash screen.

BTW, are you running Windows or Linux?

message edited by riider


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#8
July 10, 2018 at 14:30:34
I am using Linux Mint, 18.3 I believe, and yes, I have tried that method as well. I am hesitant to try anymore, but may go back to VGA and try again. Interesting thing is- the first board USED to go into BIOS OR boot menu in HDMI.

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#9
July 10, 2018 at 15:20:14
Fast boot may be the default setting for the BIOS. As stated previously, start continuously tapping the Delete key as soon as you start the computer. Did you hot plug the PS/2 keyboard? If so, you may have damaged the circuitry. Does the PS /2 KBoard work once you are in the OS?

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#10
July 10, 2018 at 15:50:45
Below are links to download the manuals for both those boards. Read the section on BIOS settings. There are many variables and some settings are only available when other settings are in use. Fast boot seems to be required to use some settings.

I suggest you try clearing the CMOS and then starting us with a wired USB keyboard. Delete key gets you into the BIOS settings.

https://www.gigabyte.com/Motherboar...
https://www.gigabyte.com/Motherboar...

message edited by OtheHill


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