« Reply #9 on: May 20, 2012, 03:22:27 am »
Thats easy to do but not your problem, to put main bios on the back up.
From a cold start with the power to the machine switched off press the power button and then enter the BIOS by pressing Del. Then when you get to the main screen press F9. This will bring up an
extra screen which will display more information about the two BIOS versions. Assuming they are different exit the BIOS and shutdown.
Again press the power button and this time press Alt + F12 where you would normally use the Del key to enter the BIOS. You will fiond that then your monitor will turn black and you will see:
Press [Enter] to start copying main BIOS to backup BIOS...
When you press Enter more text will appear saying:
Writing BIOS image.... xxxKb OK
Once completed more text will show:
BIOS successfully recovered! Power off or reset system!
Do as it says. Both Main and Backup BIOS chips now store the same BIOS version. You can now reboot as normal.
Best advice is to start the PC from cold (not a reboot) and, if possible, use a PS/2 keyboard. When the Alt+ F12 is registered you will get a message on screen about copying the main BIOS
to the Backup chip. DO NOT turn tURN PC off whilst this process takes place. Once the copying has been completed you can restart as usual.
One beep is a memory code
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