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Dell Inspiron 14 N4020 Power Adapter
Because Dell has been known to use a single AC adapter that powers multiple other machines, be certain you select the correct one for the Inspiron 14 N4020 model. The Dell Inspiron 14 N4020 AC adapter provides two functions, to charge the onboard battery and powering the laptop. Upon choosing a replacement adapter, selecting the Dell OEM charger is the best one to choose. A universal AC adapter can be used if yours is unavailable or backordered. If you decide to buy an non-Dell adapter, make sure to check both the volts and amps outputs.
Major warnings of a worsening power adapter
- Battery does not charge all the time
- Most Dell AC adapters get warm when plugged in for 10 minutes or more
- The unit will not function while just using AC power
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