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02-18-2017 12:33 PM - edited 02-18-2017 01:00 PM
I am unable to boot my notebook after reseting bios settings to factory defaults.
When powered on the laptop "turns on" with a blank screen and after 10 sec. resets itself repeatedly.
I am unable to enter the uefi menu (ESC),Boot selection (F9) and Setup Menu (F10).
I followed the hard reset instructions from here to no avail.
I created an UEFI recovery USB drive following instructions with the latest uefi.
As soon as the usb drive is accessed (observed thumb drive led) the laptop resets!
I also tried other bootable thumb drives with which normally boot with no success.
What else can i do?
02-24-2017 10:14 AM
02-24-2017 11:58 AM
I did everything you suggested here and probably beyond - swapped ram module - removed ssd and hdd.
I have no POST screen no hp logo [just display backlight turns on (black screen) ] and after a couple of seconds ~40 the
device resets itself and after first reset it resets even faster ~10 sec.
If i try the bios recovery procedure with the usb stick the laptop resets itself as soon as the stick is accessed - tried with a handfull of sticks.
02-24-2017 01:21 PM - edited 02-24-2017 01:22 PM
I did study a ton of docs and - i've been an it technician for many years now...
I don't think i have the factory image (was a worthless freedos) anymore, but i guess i could recreate the folder structure and try that.
I've also tried the HP PC Hardware Diagnostics 3-in-1 USB Key.
Used usb 2.0 sticks different manufacturers, fat32 formatted, tried fat16 also, MBR and GPT partition schemes you name it ...
My laptop is still under warranty (4 months old) and this is the second time this happens - the device was repaired once (mainboard replacement).
The problem is i am not very eager go to the service center again because last time it was there they scratched my device in multiple visible places, forgot some screws, bent the lid ... i am very unsatisfied with their service....
Thank you for your time & help Radler
02-24-2017 01:30 PM
Good luck mate