Questions about GIGABYTE products > Motherboards with Intel processors
GA-H77M D3H Bios missing ?
Albert55:
Hi all,
My pc ran fine untill I wanted to do a clean install of W 10 About 1,5 week ago.
When it needed to restart it suddenly didn't boot up anymore. Surprisingly I got a blue screen, saw a cursor blink once
in the left top corner and in the middle top it shows "Gigabyte - UEFI Dualbios".
Have done all I can think of. Clear Cmos. Disconnected all hdd's/ssd's. Disconnected all cables and reconnected them.
Doublecheck if all ok. Removed all memory except 2Gb in bank 1. Removed Cmos battery, shortened the Pins with a screwdriver for 5-10 seconds and inserted battery again.
Now the backup bios should take over when the main is corrupt or missing. But apparently that is not happening!
The mobo was equipped with bios Version F14, which is a beta. So I've downloaded F12, grabbed an old 1 Gb, formatted it to FAT32 and extracted the download to it. It shows 2 files:Efiflash and the biosfile.
The USB stick has a led showing activity or not (out then)
When I press the power button the fans start turning, I hear 1 beep, the led on the stick lights up, I very briefly see the start up logo, at same time the led on the stick blinks and then I'm shown the blue screen as described above.
THen the pc turns off and the whole procedure starts all over again. It seems Efiflash isn't starting and so the bios cannot be flashed nor does the back up bios do what it is supposed to do. Anyone got any idea what more options there are available ?
RGds,
Albert
shadowsports:
Greetings Albert,
Formatting a USB stick Fat32 and copying efiflash and a BIOS image to it doesn't make it bootable.
Try this. Remove the USB stick. Press and hold the power button to turn the system off. Now turn the switch on the power supply off. Press and hold the power button on the case for about 20 sec. Now release. Wait a minute or two.
Turn the switch on the PSU back on. Press the power button the case. Immediately press and hold the ALT and F10 keys. Hold for about 30 sec.
What happens?
Albert55:
Oke! The main bios is corrupted the system will be recovered from the back up bios.
Load optimized Defaults and then reboot is next. But I had not attached any disks yet-
Will add two and revert
Albert55:
DVD Rom and SSD added. Guess what ? I continues with the Installation of W10!
Thanks a lot! That was the trick that did it!
Rgds,
Albert
shadowsports:
--- Quote from: Albert55 on December 14, 2019, 04:53:02 pm ---DVD Rom and SSD added. Guess what ? I continues with the Installation of W10!
Thanks a lot! That was the trick that did it!
Rgds,
Albert
--- End quote ---
Glad I could help.
Remember to implement a back up solution moving forward.
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