hp 8560p proplem please help

[doctormasry]

hi
i ve hp 8560p with problem
when i remove ram . lap work fine ( sure no display ) but fan turn normal and no start . and cup get normal hot
when i connect ( put) ram fan turn high sound and laptop always restating
change more than 10 ram no new
flash bios no new

coil L3201 1.5 volt
but when i remove ram ( laptop) without ram i measure Q3202 fount D 1.4 - S 1.4 G = 0
put when i put ram in socket D = 1.4 - S = 0 - G = 0
changed this mosfet no new
there is no schematic for this model
please help

[mon2]

Re: hp 8560p proplem please help

What are the silk screened markings on the logic board?

Can you post pictures?

Without ram, do you hear any post beep codes? Any blinking led pattern to note that the ram is missing?

[doctormasry]

Re: hp 8560p proplem please help

What are the silk screened markings on the logic board?

Can you post pictures?

Without ram, do you hear any post beep codes? Any blinking led pattern to note that the ram is missing?

this is the motherboard photo

in the picture number 11 . the led number 1 always on with ram but without ram on for 1 sec and off
led 2 and 3 alwyas on with ram or without ram

this mosfet measure without ram
but with ram no volt on source
i just have only motherboard no more

[doctormasry]

Re: hp 8560p proplem please help

can any one tell me the most important pins on ram ddr3 socket ?

[mcplslg123]

Re: hp 8560p proplem please help

VRef_DQ =PIN 1
VTT/Termination voltage=PIN 203,204
VRef_CA. =PIN 126
VDD SPD =PIN 199
SDA data =PIN 200
SCL clock =PIN 202
DRAM_RST# =PIN 30

[Udemzy]

Re: hp 8560p proplem please help

Do a clean me region or flash a new BIOS, that's the first thing you should do