1. The battery LED indicator flashes - the battery is low
If the battery indicator (looks like a lightning bolt) flashes, the remaining battery power is not enough to start the computer.
2. CapsLock/NumLock flashes once - the CPU cannot operate normally
The processor cannot operate normally (flash code 1), contact HP for help.
3. CapsLock/NumLock flashes twice - BIOS corruption
If a BIOS corruption error occurs (flash code 2), you may not notice the flash code because when the computer realizes When this error occurs, it will restart immediately, try to restore
BIOS, and then restart again. As a result, you may notice an extremely long boot process, and a message may appear on boot stating that the BIOS has recovered. If this happens, please update the BIOS on your computer.
If the BIOS automatic recovery fails, please try to use HPPCDiagnostics (HP Computer Diagnostics Tool) to make a 3-in-1 BIOS recovery tool for manual recovery.
4. CapsLock/NumLock flashes three times - the memory module error cannot operate normally
5. C5apsLock/NumLock flashes four times - the graphics card controller cannot operate normally
< p>If you encounter a graphics controller failure (flash code 4), please contact HP for assistance.6. CapsLock/NumLock flashes five times - regular system motherboard failure
General system motherboard failure (flash code 5) refers to the failure of components not included in other LED error codes. Contact HP for assistance.
7. CapsLock/NumLock flashes six times - BIOS authentication failure
BIOS authentication error (flash code 6) rarely occurs. This problem occurs when the BIOS and hardware installed on the computer are inconsistent and the signature of the system hardware cannot be verified. BIOS
The goal of authentication is to ensure that nothing affects the BIOS on the computer.
If BIOS authentication fails, the computer will automatically perform BIOS recovery. If the computer cannot automatically restore the BIOS, please perform a BIOS restore manually.
If the BIOS automatic recovery fails, please try to use HPPCDiagnostics (HP Computer Diagnostics Tool) to make a 3-in-1 BIOS recovery tool for manual recovery.