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Sony PCG-NV290 Power Adapter
If your decision is to purchase a different brand charger, make note of both the volts and amps outputs. The Sony PCG-NV290 AC adapter is responsible for two things, charging the battery and powering the laptop. Due to the fact that one Sony adapter is most likely used on other laptop models, double-check the part number or model number of the adapter. A universal power adapter can be used but only if necessary. When purchasing a replacement charger, selecting the Sony OEM charger is always going to be the safest and easiest way to go.
Some clues of a failing AC adapter
- The majority of Sony power chargers will get very warm to the touch when plugged in for any length of time
- The unit will not function without the battery installed
- Your Sony battery refuses to charge whatsoever
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