BIOS PROBLEM

[DRDAN12]

MY HP PAVILLION WILL NOT BOOT UP- I HAVE A BLACK SCREEN WITH TH EWORDS

"SYSTEM UPDATES ARE UNDERWAY. PLEASE KEEP YOUR DEVICE ON AND PLUGGED IN." IT CAN BE ON ALL DAY WITH NO CHANGE. MY LAP TOP WILL NOT BOOTH UP. HELP

[Kuroi_Kenshi]

Hi @DRDAN12,

Welcome to the HP Support Community!

Thanks for reaching out!

We're thrilled to have the opportunity to assist you and provide a solution.

I understand your HP Pavilion laptop and the issue where it’s stuck on “System updates are underway. Please keep your device on and plugged in.” Let’s go through a few steps to check what could be causing this.

Perform a Hard Reset
– Turn the laptop off by holding the power button for 10–15 seconds.
– Disconnect all accessories, then power it back on to clear any stalled firmware process.

Try a BIOS Recovery
– With the laptop off, press and hold Windows + B, then press the power button.
– Keep holding Windows + B for 10 seconds until the BIOS recovery screen appears.
– If the recovery tool loads, follow the on-screen instructions.

Boot to HP UEFI Hardware Diagnostics
– Turn the laptop off → press Esc repeatedly → select F2.
– If diagnostics opens, the system firmware is still functional.
– Run “System Tests → Quick Test” to ensure hardware is stable.

Reset BIOS using the Diagnostics Menu
– In the UEFI menu, go to Firmware Management.
– Choose BIOS Update → Rollback BIOS (if available).
– This helps if a BIOS update failed and the system got stuck.

Try Booting Without the Battery (for removable-battery models)
– Remove the battery and power adapter.
– Hold the power button for 15 seconds.
– Connect the adapter only and turn it on to rule out a power or EC issue.

Check if the Caps Lock/Num Lock keys blink
– If you see a blinking pattern, it indicates a BIOS corruption or hardware error.
– Note the blink pattern and match it with HP’s diagnostic codes to identify the failing component.

Attempt to boot from another device
– Insert a Windows USB installer and try booting (press Esc → F9).
– If the laptop can reach the boot menu, the BIOS is partially functional and the OS may be stuck.

I hope this helps.

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