Avoid opening windows and BIOS settings.
Avoid opening windows and BIOS settings.
Your computer was running but lost power, you came back home and it fails to load properly with the BIOS key not working. Here are some suggestions: check for any error messages, ensure the power cable is secure, and try resetting the BIOS settings if possible.
It’s wise to have a UPS in place if you plan to keep your device running while unattended. Alternatively, avoid leaving it on when no one is around. You might reset the CMOS by using a watch battery (CR2032 or CR2025) from the circular holder on the motherboard. Remove it and let the machine sit for 10–20 minutes without power—unplug it completely. Press the power button to discharge any remaining charge. Many boards also have a CLRTS jumper marked with similar symbols; you can cross its contacts with a screwdriver while the battery is off, but always remove the battery first. For extra security, leave a screwdriver near those contacts for a few minutes before resetting. Once the machine has rested for at least 10–20 minutes, disconnect any jumpers, reinstall the battery, and turn it back on.
Could you explore additional reasons for concern so you can identify key checks each morning?
Consider using a safe mode startup by holding F8 during initialization. Once operational, verify driver updates might help if files are damaged. After that, restart the system. If none of these work, a complete Windows reinstall could be necessary.
I opened the system and reset the CMOS, but nothing changed. Still can't access BIOS or safe mode. It might be worth taking it to a local repair shop for a check.
It seems like the issue might involve the motherboard or another component, possibly due to more than just a power outage.