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Compaq Presario A900 Power Adapter
Upon choosing a replacement adapter, the actual Compaq brand is always going to be the safest and easiest way to go. The Compaq Presario A900 power adapter is needed for two reasons, to charge the onboard battery and to provide a source of power for the unit. If your decision is to purchase a different brand charger, make sure to check the output of amps and voltage. Because Compaq uses one power charger that powers multiple other machines, make sure you check the part number for the correct one. A universal power adapter can be used if you absolutely need to.
Symptoms of a declining charger
- The majority of Compaq power chargers get warm when they are plugged in for a period of time
- The laptop does not run without the battery installed
- Your Compaq battery refuses to charge up whatsoever
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