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Sony VGN-SR520G Power Adapter
Because Sony has been known to use a single AC adapter that powers multiple other machines, be certain to thoroughly note the part number that is needed for this model. The Sony VGN-SR520G AC adapter has two main uses, charging the battery while simultaneously providing power for the laptop. A universal power adapter can be used but only if necessary. Upon choosing a replacement adapter, choosing the Sony brand one is always going to be the safest and easiest way to go. If buying off-brand, make sure to check both the voltage and amperage output.
Some clues of an ailing AC adapter
- Your Sony battery refuses to charge all the time
- The laptop does not function using just the AC power adapter
- Most Sony AC adapters get warm when they are plugged in for a period of time
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