Laptop BIOS not loading
4.5
The laptop turns on but fails to reach the BIOS/UEFI setup screen.
Symptoms
- Black screen
- No logo
- Keyboard lights on
Possible Causes
- Corrupt BIOS
- Bad CMOS battery
- Faulty RAM
Step-by-Step Fix
1
Clear CMOS
Remove the CMOS battery and main battery for 5 minutes.
2
Try BIOS Recovery
Use manufacturer-specific key combos (e.g., Fn+Esc) to flash BIOS from USB.
3
Test RAM Modules
Try booting with one stick of RAM at a time.
When to See a Technician
A failed BIOS update is the most common cause of a "bricked" motherboard.
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