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Acer Extensa 4210 Power Adapter
When choosing a new charger, choosing the Acer brand one is always going to be the safest and easiest way to go. Because Acer has been known to use a single AC adapter that is probably used on other similar units, be certain to thoroughly note the part number that is needed for this model. A universal power adapter is a possibility but only if necessary. If you decide to buy an non-Acer adapter, it is imperative to note the output of amps and voltage. The Acer Extensa 4210 power adapter has two main uses, to charge up the main battery and to provide a source of power for the unit.
Hints your power adapter is on its last leg
- Most Acer adapters will get warm to the touch when plugged in for any length of time
- Your Acer battery refuses to charge up at all
- The laptop does not function without the battery installed
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