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Acer Aspire 7720 Power Adapter
When purchasing a replacement AC charger, the actual Acer brand is usually going to be the safest choice. If buying off-brand, make sure to check the output of amps and voltage. Due to the fact that one Acer adapter is probably used on other similar units, be sure you choose the right one. The Acer Aspire 7720 power adapter is needed for two reasons, to charge the onboard battery and powering the laptop. A universal AC adapter is another possibility but only if necessary.
Signals the Acer power adapter is going out
- Most Acer AC adapters will get warm to the touch when plugged in for any length of time
- Your Acer battery refuses to charge up whatsoever
- The unit will not run using just the AC power adapter
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