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Sony VGN-FJ290P Power Adapter
The Sony VGN-FJ290P power adapter is needed for two reasons, to charge the onboard battery while simultaneously providing power for the laptop. If you decide to buy an non-Sony adapter, it is imperative to note both the volts and amps outputs. Because Sony has been known to use a single AC adapter that is most likely used on other laptop models, be certain you select the correct one for the VGN-FJ290P model. A universal power adapter is a possibility if you absolutely need to. When choosing a new adapter, selecting the Sony OEM charger is always going to be the safest and easiest way to go.
Subtle cues of a defective charger
- The unit will not work while just using AC power
- Most Sony AC adapters get warm when they are plugged in for a period of time
- Battery does not charge all the time
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