Hp 15 with power issue

[emmanuelbill1988]

Please i urgently need help,a costumer brought this Hp15 laptop,when you press the start switch the power comes on for 10 seconds and goes off without displaying or system fan spinning but processor becomes hot withinn that 10 seconds,what may be the fault?mobo number is
LA-A992P
Rev:2.0
Tnx in advance

[mcplslg123]

Re: Hp 15 with power issue

Please post in details. Try to measure voltages on all coils,one by one, within that 10 secs.
Have you replaced ram??
Have you tried cmos reset??
Have you flashed bios??