Re: HP Probook 4540s - BIOS



Hi ivastchip,
Thanks for your reply.
I've looked at the codes as well. The original BIOS had the Caps lock blinking continuously, indicating something to do with power. Other Bioses had the Caps lock blink 3 times, indicating memory issues, however this was happening even without memory stick inside.
In any case, I believe that whatever the issue is, it's not [necessarily] related to the BIOS, so I gave up on fixing it....

Re: HP Probook 4540s - BIOS



Hi @peste,
Thanks for the file ! Unfortunately, the issue remains the same - caps lock blinks 3 times and fan goes full speed.
I'm guessing at this point that perhaps it's not [only] due to a bad BIOS. I've read that multiple faults could cause this behavior, including faulty CPU, bad capacitor, etc.
Does anyone have any other ideas regarding the BIOS or should I call it quits ?

Regards,...

Re: HP Probook 4540s - BIOS

Hi everyone,

New person here. I have the sameish issue as everyone here. Initially the laptop would power on but with no display, then the fan would start spinning at full speed and the Capslock key would blink continuously. At this stage, in order to power off the laptop I'd have to unplug it as it wouldn't stop by holding down the power button.

I've got the C314 programmer, saved a copy of my BIOS and the proceeded to try ~90% of the Bios dumps from this thread. Unfortunately none worked, however with all of them, the...