compaq cq40 INTEL

[ry x hunter]

i hav problem with this model compaq cq40 intel processor. the problem is no power and no charging indicator at his side.. i try to test the mosfet located along dc pin but all is good.. any idea to fix this problem... thank u very much...

[kimrocco]

Re: compaq cq40 INTEL

reflash bios

[3d0]

Re: compaq cq40 INTEL

Have you checked the oscillator IC for 3.3V and 5V?

[ry x hunter]

Re: compaq cq40 INTEL

reflash bios

how can i do that sir? it cant turn on the laptop anymore so how can i flash the bios..??

[ry x hunter]

Re: compaq cq40 INTEL

Have you checked the oscillator IC for 3.3V and 5V?

where can i find that oscillator ic sir?

[3d0]

Re: compaq cq40 INTEL

where can i find that oscillator ic sir?

Take some pictures of your motherboard.

[mahi]

Re: compaq cq40 INTEL

my cq40 intel start with battery and capslock led blinking but not start with
adapter.
i saw pq103 (4835 ) mosfet s=19v, g=18.6v and d=0v.
if i short source and drain of that mosfet each volt is ok but not start.

have u any idea?

[sasser]

Re: compaq cq40 INTEL

Usually problem with bios. Try suggestion from kimrocco