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Compaq Evo N400C Power Adapter
Because Compaq uses one power charger that is probably used on other similar units, be certain to thoroughly note the part number that is needed for this model. If you decide to buy an non-Compaq adapter, please check on both the volts and amps outputs. When purchasing a replacement adapter, choosing the Compaq brand one is usually going to be the safest choice. The Compaq Evo N400C power adapter is responsible for two things, to charge up the main battery and powering the laptop. A universal AC adapter is a possibility if you absolutely need to.
Red flags of a weakening power adapter
- The unit will not operate without the battery installed
- The majority of Compaq power chargers get warm when plugged in for any length of time
- Battery does not charge at all
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