Can't get past booting. Windows 8.1

  man4834 17:47 20 May 2018

I recently started using an old Acer Aspire M3802 and am having problems. Everything was fine until I updated it to Windows 8. Upon my first reboot I was told the CMOS Checksum was bad, and, was prompted to continue or to run a setup, both of which I need to hit a button on my keyboard to perform, however, my keyboard does not work upon startup (I think because USB Legacy Support isn't enabled), however i can not enter the BIOS without using my keyboard, and cannot successfully boot up my computer without inputting a keystroke. I replaced the CMOS Battery but I have to set the CMOS Date/Time, which again requires using a keyboard. I tried using a WS/2 to USB adapter and a different keyboard but neither work, is there anything I can do?

  Fruit Bat /\0/\ 18:56 20 May 2018

forget date and time just try and reboot with the new CMOS battery fitted

if still same then you need to borrow a PS2 keyboard.

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