BIOS initializes hardware during boot before OS control. BIOS allows hardware configuration and firmware updates. Access needed for OS installation, hardware management, and troubleshooting
Holding power button for 30 seconds may resolve keyboard issues. Windows Keyboard Troubleshooter can help identify common problems
Remove all external devices and DVD drive to prevent interference. Perform power drain by unplugging power and waiting 30 seconds
Press Windows + PrtScn to capture entire screen. Alt + PrtSc captures active window. Screenshots save to Pictures/Screenshots folder
Restart laptop by holding power button until it turns off. Refresh display using Win + Ctrl + Shift + B. Disconnect all connected accessories like mice and keyboards
Press F2 or FN+F2 repeatedly during startup to enter BIOS. Linux users should press F1 instead. Windows users need to restart from Windows to access BIOS