laptop not starting, no power, no boot up, blank window, caps lock blinking 3 times

[rukshar]

hey,

my laptop, HP PAvilion 360 not showing any display when powered on. Blank screen is there and Caps Lock LED is blinking 3 times(white color).

[Lil_Boy_Blue]

Hi

https://support.hp.com/us-en/document/bph07107

Caps/Num Lock LED	Component.	Error condition	Corrective action
LED blinks once.	CPU	CPU not functional	Re-seat the processor. NB:- See the Services Media Library for steps for your PC. Replace the processor. NB:- See the Services Media Library for steps for your PC. If the CPU still does not function properly, replace the Main-Board.
LED blinks twice.	BIOS	BIOS corruption failure.	Reset the CMOS: 1 Restore BIOS if available. (If you can access the CMOS battery, pull it out and re-seat it.) NB:- See the Services Media Library for steps for your PC. 2 Press the Windows+ B keys to do a BIOS recovery. If the error persists, replace the Main-Board.
LED blinks 3 times	Memory	RAM Module failure.	1 Reseat the memory. NB:- See the Services Media Library for steps for your PC. 2 Check each individual memory module and swap slots. 3 Replace the memory modules causing three blinks or if the blinks follow the slots. 4 Replace the Main-Board.

[rukshar]

thank you

but the service media library is not avail;able

Can u please tell me how to reset the memory

[Lil_Boy_Blue]

Hi

Reseat not reset.

Remove the memory module(s),  refit or replace one at a time.

https://support.hp.com/us-en/product/hp-pavilion-13-u100-x360-convertible-pc/12589419/model/14019472...

http://h10032.www1.hp.com/ctg/Manual/c05226489    Page 58