Q-LED indicators show hardware problems like CPU, RAM, and graphics card. Indicators can be checked in case or user manual. Motherboards have four Q-LED indicators: CPU, DRAM, VGA, and Boot
BIOS update needed for stability issues or frequent crashes. Computer model number found on back or in original box. BIOS version can be checked in DIXDIAG or BIOS utility
Verify speaker and headphone connections for loose cables or incorrect jacks. Try connecting devices to different ports to identify the problem
Factory reset erases all data to original factory state. Process restores system to factory settings after manufacturing
Restarting laptop can resolve many keyboard issues. Hardware problems may cause keyboard not working. Check battery, USB connection, and wireless adapter
Dead battery prevents laptop from turning on even when charging. AC adapter failure prevents charging. Loose power supply connections prevent laptop from starting. Power IC failure prevents laptop from turning on