HP ab150sa - Boot fail

[yogenm]

Hello all,

Recently, my laptop crashed without a low battery warning. 

Since then, I am having problems with laptop boot. The laptop powers on but all I see is black light on the screen. The HP logo is also not displayed, which i guess is that the bios is failing to load.

I tried this solution: remove power cord, remove battery, hold on power button for upto a minute, put back battery and power on. But not much luck. Sometimes it works, but most of the time it does not.

Majority of the time, I power on my laptop, the bios fails to load. But after repeatedly powering off & on , sometimes, I get lucky and the bios and windows loads.

This has created uncertainty that my laptop may not start at all the next time I power it on.

Your suggestions are welcome.

Thanks.

[Lil_Boy_Blue]

Hi

HP Pavilion Notebook - 15-ab150sa (ENERGY STAR)

https://support.hp.com/us-en/product/hp-pavilion-15-ab100-notebook-pc-series/8499302/model/9044228

Could the CMOS/RTC battery be discharged?

This you already tried but worth repeating.

Step 1 Turn off the computer, press and hold the PWR button for 4 seconds.

Step 2 Leave only keyboard and mouse connected, disconnect all externally connected
devices such as Docking Station, USB storage devices, displays, and printers.
Unplug the AC adapter from the computer.

Step 3 Press and Hold the Power button for 15 seconds to Hard Reset.

Step 4 Power on your PC, press Esc (repeatedly), then F2 at the prompt.
Choose System Tests (Fast Test does a 4 minute hardware check).

Step 5 Windows Logo key + Ctrl + Shift + B

Step 6 If you’re using multiple displays, try projecting video to a different monitor.
Press the Windows Logo key + P, select a display, and then press Enter.

[CherylG]

Do you have latest BIOS?

https://support.hp.com/us-en/drivers/selfservice/hp-pavilion-15-ab100-notebook-pc-series/8499302/mod...

[yogenm]

Hi,

@ Lil_Boy_Blue.. thanks for your suggestions. I think i will try changing the cmos battery. Might be discharged as it has been more than 3 years since i got this laptop. If i am not mistaken, the battery is a cr2032 type. 

I will definitely look in the other suggestions as well.

Many thanks.

[yogenm]

Hi,

@CherylG.. thanks for the bios download link. I have download link.

Before updating the bios, just wanted to ask, are there any risks associated with updating the bios ?

Many Thanks.

[CherylG]

There is always a certain amount of risk when updating BIOS.