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Compaq NC4000 Power Adapter
Upon choosing a replacement adapter, selecting the Compaq OEM charger is the best one to choose. 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, make note of both the volts and amps outputs. The Compaq NC4000 AC adapter has two main uses, to charge the onboard battery and to provide a source of power for the unit. A universal power adapter is a possibility if yours is unavailable or backordered.
Warnings of an inadequate laptop charger
- Your Compaq battery refuses to charge up completely
- Most Compaq adapters can get quite warm when plugged in for any length of time
- The unit will not function while solely using the AC adapter
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