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Acer Extensa 5420 Power Adapter
The Acer Extensa 5420 AC adapter provides two functions, to charge the onboard battery and to provide a source of power for the unit. If buying off-brand, please check on both the volts and amps outputs. Upon choosing a replacement adapter, choosing the Acer brand one is the best one to choose. A universal power adapter is another possibility if yours is unavailable or backordered. Due to the fact that one Acer adapter can be used on other units, be certain you select the correct one for the Extensa 5420 model.
General warnings of a failing laptop charger
- The unit will not function while just using AC power
- The majority of Acer power chargers get warm when plugged in for any length of time
- Battery does not charge at all
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