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Dell Inspiron 17R-7720 Power Adapter
Because Dell uses one power charger that powers multiple other machines, double-check the part number or model number of the adapter. If buying off-brand, please check on both the volts and amps outputs. A universal power adapter is a possibility if you absolutely need to. The Dell Inspiron 17R-7720 power adapter is needed for two reasons, to charge up the main battery and powering the laptop. When purchasing a replacement charger, the actual Dell brand is the best one to choose.
How can I tell if my Dell power adapter needs replacing?
- The laptop does not run while solely using the AC adapter
- The majority of Dell power chargers will get warm to the touch when they are plugged in for a period of time
- Your Dell battery refuses to charge up all the time
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