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Sony VGN-SR499PCB Power Adapter
When purchasing a replacement AC charger, choosing the Sony brand one will probably be the safest way to go. Because Sony has been known to use a single AC adapter that is probably used on other similar units, double-check the part number or model number of the adapter. A universal power adapter can be used but only if necessary. If buying off-brand, make note of the output of amps and voltage. The Sony VGN-SR499PCB power adapter has two main uses, to charge any and all batteries and powering the laptop.
Some warnings of a deteriorating Sony power adapter
- Most Sony adapters get warm when plugged in for any length of time
- Your Sony battery refuses to charge up all the time
- The laptop does not run without the battery installed
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