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Compaq Presario XL109 Power Adapter
When choosing a new charger, the actual Compaq brand will probably be the safest way to go. Because Compaq uses one power charger that powers multiple other machines, be certain to thoroughly note the part number that is needed for this model. The Compaq Presario XL109 AC adapter has two main uses, to charge up the main battery and to provide a source of power for the unit. A universal AC adapter is another possibility if you absolutely need to. If you decide to buy an non-Compaq adapter, make note of the output of amps and voltage.
Hints the Compaq power adapter has to be replaced
- Your Compaq battery refuses to charge completely
- Most Compaq adapters will get warm to the touch when plugged in for any length of time
- The laptop does not work while solely using the AC adapter
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