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Acer Aspire 5740G Power Adapter
Because Acer uses one power charger that can be used on other units, make sure you check the part number for the correct one. When purchasing a replacement AC adapter, the actual Acer brand will probably be the safest way to go. The Acer Aspire 5740G AC adapter is responsible for two things, to charge up the main battery and powering the laptop. If your decision is to purchase a different brand charger, please check on the output of amps and voltage. A universal power adapter can be used if you are desperate.
Some warnings of a failing Acer power adapter
- Your Acer battery refuses to charge up all the time
- Most Acer adapters get warm when plugged in for 10 minutes or more
- The laptop does not function while just using AC power
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