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Sony VGN-AR520E Power Adapter
The Sony VGN-AR520E AC adapter provides two functions, charging the battery and to provide a source of power for the unit. Because Sony uses one power charger that is probably used on other similar units, be certain you select the correct one for the VGN-AR520E model. Upon choosing a replacement AC adapter, choosing the Sony brand one is usually going to be the safest choice. A universal power adapter is a possibility if yours is unavailable or backordered. If you decide to buy an non-Sony adapter, make sure to check the output of amps and voltage.
Easy warnings of a bad power adapter
- The laptop does not function while solely using the AC adapter
- Battery does not charge up whatsoever
- Most Sony AC adapters will get warm to the touch when plugged in for any length of time
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