![]() ![]() Release the power button, then plug the power supply back in.ĥ. (This will discharge any caps in that circuit.)Ĥ. Hold the power button down for 30 seconds. Release the power button, and then unplug the power supply from the AC.ģ. Shut the computer down, by holding in the power button.Ģ. It is possible the USB keyboards are not registering properly in the BIOS.ġ. ![]() You mentioned an onscreen keyboard, is this an "All-in-One"? Back to presume it's a desktop, because you mentioned you tried other keyboards.No keyboard I cant scroll down in the boot menu to click windows recovery mode or edit. I dual boot windows 10 but with on desktop PC. In other words it looks like Ubuntu 20.04 has completely destroyed my computer. also cannot bring up CLI Also tried an old boot repair disk but again cant click on anything as the keyboard does not work, not even press enter to set language. Prior to this I tried to enter recovery mode but without keyboard I could not scroll down to recovery or any editing. Screen says Error file boot grup i386 pc normal mode not found entering rescue mode Grub Rescue but wont accept typing so cant fix grub. Decided to try re-installing but keyboard does not work on that either. tried shutting down but no type accepted for password so cant enter OS. Tried 3 keyboards including screen keyboard. then suddenly the keyboard stopped working. All went well, entered OS, D/L Google set my dual screens up etc. Disaster doing a clean install of Ubuntu 20.04. ![]()
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