BSOD, No BIOS, No Safe Mode, No Nothing

rosero

Member
HP Pavilion DV4
Windows 10 Pro

Basically after a touchpad driver update I got a BSOD, total black, I can’t access to the BIOS no matter what keys combination I use, I can’t enter in safe mode, no recovery, I can’t do anything. So far I have tried this:
  • Hard reseating several times
  • Taking out and cleaning the RAM
  • Taking and the motherboard battery
  • Taking out hard disk
  • Trying another hard disk
If I turn on the laptop without the RAM it beeps, but there are no beeps if I turn it on without the hard drive, but I tried with another brand new hard drive and it’s the same.
The LEDS are working and because of that beep with the RAM I assume the motherboard is not the problem, maybe I’m wrong.
I don’t get any beeps during boot, the fens sound for 1 second, then they stop for another 5 seconds and then they go on non stoping, which makes me thing the POST is not getting done correctly. Also, and maybe is because I’m going crazy, I can’t notice anything in the hard drive that makes me think is working, both hard drives, could it be the cable that connects the hard drive to the mobo? I can’t test the screen connecting to another monitor ‘cause I don’t have one. I’m trying to see if I can solve this by myself before going to a technician who’s gonna rip me off and this is a very bad moment economically speaking. Right now I have the laptop without the mobo battery, RAM and hard drive in attempt to wait for 25 hours and see if the BIOS resets itself. If any of you have any ideas please I would appreciate it. I don’t know much about hardware, a little more about software but like I say, I’m trying to see if I can get this fixed by myself. Thank you for your help.
 

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