Compaq presario c300 power issue

[incradibles]

Hi, I got one Compaq presario c300 when i start it, only power button light up no display within few seconds power's button light start blinking continues

[incradibles]

Re: Compaq presario c300 power issue

I got the solution just remove cmos battery and put it back laptop will turn on normally.

[gabik111]

Re: Compaq presario c300 power issue

If this doesn't work you have to replace PQ49 transistor (AO4407) for the new one. This is common issue of this model.