hi guys.
i have compaq c300 laptop.i could not use it for some days.but now i power on it,its power led blinks some time and off.no display,no any reaction.i have charge it about 16 hours.please guide me.thanks

Welcome to techhelpforum.

Note that there are three varients listed for the Compaq C300.
C300CTO, C300EA, & C300EU

C300CTO:
Follow the catagories/procedures here: http://h10025.www1.hp.com/ewfrf/wc/d...213867&lang=en

Post back with your results and any further questions.

thanks so much sir for quick reply and best support.