Re: hp probook 4330s wont turn on - HP Support Community

Katie_11 · ‎10-15-2012

My Hp probook 4330s was working fine last night, tried to turn on today after charging all night and it won't turn on. Theres a small light that flashes orange when I press the power button, tried removing the battery and holding down the power button but didn't work. Anything I can do?!

erico · ‎10-15-2012

Which led is flashing orange?

Is it flashing with the battery removed?

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fjvesilva · ‎10-29-2012

Hello, I have the same problem. The led indicatir will blink whem batery inserted or connected with AC power.

I've tried hard reset, by disconnecting AC power and removing baterys and press start button for more than 15 seconds.

Nothing happens.....

I don't know why, it was working fine, I've just finished updating W7, with several reboots....

Regards

fjvesilva · ‎10-30-2012

Hi,

Can you give me the answer you gave to the person above who iniciated the thread...

Thanks

Gordon_Walker · ‎08-15-2013

We have 75 of these in our company and have had 3 fail the same way in the last few month. The machine refuses to switch on, whether on power or battery. All that happens is the power button LED (white) lights for a couple of seconds then goes off. We have tried stripping them down, rebuilding, swapping batteries, hard drives, memory, psu etc but nothing works.

I have a major concern that they will all go this way and they are just over 12months old. HELP!

Gordon_Walker · ‎08-15-2013

Sorted it.

It is caused by a corrupted bios (this has usually happened after a windows update, which i know should not happen, perhaps HP updates occurred also, the user did not notice).

The fix, strip the thing to bits, remove the bios battery for 5 mins, replace, rebuild & reboot, laptop powers up with a white screen stating it needs to fix the corrupted bios, once its done restart, reset the clock and its all working fine.

We have decided to upgrade the bios on our machines as it mentions fixing a power-on issue.

UniProg · ‎08-15-2013

Thank you Gordon, for sharing that information to the community.

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Gubamaharama · ‎12-20-2015

I have a similar issue it won't turn on it doesnt react to the power button in any way, just flashes white and orange when I plug in the charger, I tried replacing the bios battery and it didn't help, any ideas?

fjvesilva · ‎12-20-2015

Hi,

the solution for my problem was replacing de motherboard. I tried to upgrade the BIOS and so on, but nothing solved the problem.

I was lucky to still have a valid warranty.....

Regards..

hp probook 4330s wont turn on

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