New Power Supply (Reads 19 vdc on Multi Meter) but NO 'Power' light and NO START-UP !
SOURCE: No power at 19.5 VDC jack
You will need to call our technical support line on 0845 20 20 118. Click Here for help
SOURCE: compaq presario won't start?
Only do this if you feel competent in doing so.
Pulling apart laptops is not for the faint of heart.
If you really must do it there are some good guides here.
Testimonial: "I am a former Navy ET,but many years ago. I checked out the site but nothing for a presario c500. Thanks very much for your input."
SOURCE: HP Compaq NX9420 Laptop Power supply shorted ou
The DC Jack Will Need To Be Visibly Inspected, and Tested ..
Most Likely Need To Replace The DC Jack (the port where your AC Adapter Plug Plugs into.....
Though, if you experienced a power surge/dip or similar, You could have shorted out the motherboard....
SOURCE: i have a HP Compaq
Try downloading the latest bios for the laptop, i had the same problem of windows reporting that the battery was fully charged when it was actually empty, a bios update fixed the problem
SOURCE: HP Elitebook 2530p won't start, power
had the same problem - press and hold th power button without the battery connected for 30sec
refit battery and try again - it worked for me
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