Re: HP Probook 4540s - BIOS

Yes, it boots to BIOS now. Also modified the UUID which also works.

Re: HP Probook 4540s - BIOS

Thank you, will try.

Re: HP Probook 4540s - BIOS

I posted above, as requested (sorry for bump).

Re: HP Probook 4540s - BIOS

Attached....

Re: HP Probook 4540s - BIOS

Hi, my first (second) post here.

I have two similar HP ProBook 4540s-es with Radeon HD graphics on board, one had a dead bios chip. I managed to revive it by dumping an image from the working one with UsbAsp, flashing it to the clean flash chip, and replacing it on the dead one.

Now the problem that I cannot resolve, is how to replace UUID, SKU and CSN with the proper ones.
I have replaced the relevant numbers with those proper to the case (UUID left intact), flashed the image, soldered the chip back in place, but the...

Re: New Members - please post your introductions here

Joined to get some data to get my notebook fixed. Hope to stay for a while.