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Lenovo IdeaPad Z40 Power Adapter
When choosing a new charger, choosing the Lenovo brand one will probably be the safest way to go. If you decide to buy an non-Lenovo adapter, make note of the output of amps and voltage. The Lenovo IdeaPad Z40 power adapter provides two functions, to charge the onboard battery and powering the laptop. Because Lenovo has been known to use a single AC adapter that is probably used on other similar units, double-check the part number or model number of the adapter. A universal power adapter is a possibility if you absolutely need to.
Signals your power adapter has to be replaced
- The laptop does not operate using just the AC power adapter
- The majority of Lenovo power chargers get warm when they are plugged in for a period of time
- Your Lenovo battery refuses to charge up every time
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