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Compaq Presario XL123 Power Adapter
When choosing a new AC adapter, the actual Compaq brand will probably be the safest way to go. The Compaq Presario XL123 power adapter is needed for two reasons, charging the battery while simultaneously providing power for the laptop. A universal AC adapter is a possibility if you are desperate. If your decision is to purchase a different brand charger, it is imperative to note the output of amps and voltage. Because Compaq uses one power charger that is probably used on other similar units, make sure you check the part number for the correct one.
Major indications your AC adapter has very little life left
- The unit will not operate while solely using the AC adapter
- Most Compaq AC adapters get warm when they are plugged in for a period of time
- Battery does not charge completely
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