That would leave the dc charging unit.....require laptop taken apart and repaired...not usually cheap.................or the battery which is how old and used how often....roughly 2-3yrs dependant on use.
You can buy an replacement laptop power adapter for your Compaq laptop or buy an OEM Compaq AC power adapter. There's a universal Compaq laptop charger you can buy that will charge almost any laptop with all of the power tip adapters.
The information on Computing.Net is the opinions of its users. Such
opinions may not be accurate and they are to be used at your own risk.
Computing.Net cannot verify the validity of the statements made on this
site. Computing.Net and Purch hereby disclaim all responsibility
and liability for the content of Computing.Net and its accuracy.