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Dell Inspiron 17R 3721 Power Adapter
If buying off-brand, make sure to check both the volts and amps outputs. Because Dell has been known to use a single AC adapter that is probably used on other similar units, make sure you check the part number for the correct one. When choosing a new AC adapter, choosing the Dell brand one is usually going to be the safest choice. The Dell Inspiron 17R 3721 power adapter is responsible for two things, charging the battery and powering the laptop. A universal AC adapter can be used but only if necessary.
Red flags poorly running laptop charger
- Your Dell battery refuses to charge whatsoever
- Most Dell adapters get warm when plugged in for 10 minutes or more
- The laptop does not run while just using AC power
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Dell Inspiron 17R 3721 power adapter should really be bought brand new because of wear and tear on an old used power adapter. Be sure to always purchase replacement parts from a known seller when buying parts online. Always make sure to double-check the OEM part number before placing an order for a new power adapter. The Dell Inspiron 17R 3721 laptop will love you more if you buy smart!
Feel free to download your manual for help.
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