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Sony VGN-FW548F Power Adapter
If you decide to buy an non-Sony adapter, make sure to check the output of amps and voltage. Because Sony uses one power charger that is most likely used on other laptop models, be certain you select the correct one for the VGN-FW548F model. When purchasing a replacement charger, choosing the Sony brand one is always going to be the safest and easiest way to go. The Sony VGN-FW548F AC adapter is responsible for two things, to charge the onboard battery while simultaneously providing power for the laptop. A universal power adapter is another possibility but only if necessary.
Easy warnings of a deteriorating AC adapter
- The laptop does not function using just the AC power adapter
- Battery does not charge completely
- The majority of Sony power chargers will get very warm to the touch when they are plugged in for a period of time
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