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Acer Aspire 5742Z Power Adapter
The Acer Aspire 5742Z AC adapter is needed for two reasons, charging the battery while simultaneously providing power for the laptop. When purchasing a replacement AC charger, selecting the Acer OEM charger is usually going to be the safest choice. A universal AC adapter is a possibility but only if necessary. If you decide to buy an non-Acer adapter, it is imperative to note both the volts and amps outputs. Because Acer uses one power charger that is probably used on other similar units, be sure you choose the right one.
Warnings of a bad laptop charger
- The unit will not run using just the AC power adapter
- Battery does not charge completely
- The majority of Acer power chargers get warm when plugged in for any length of time
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