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Lenovo ThinkPad G40 Power Adapter
The Lenovo ThinkPad G40 power adapter has two main uses, to charge the onboard battery while simultaneously providing power for the laptop. If buying off-brand, it is imperative to note the output of amps and voltage. A universal AC adapter can be used but only if necessary. Due to the fact that one Lenovo adapter powers multiple other machines, be sure you choose the right one. When choosing a new charger, selecting the Lenovo OEM charger is the best one to choose.
Signals the Lenovo power adapter has to be replaced
- The unit will not run without the battery installed
- The majority of Lenovo power chargers can get quite warm when they are plugged in for a period of time
- Your Lenovo battery refuses to charge up all the time
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