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Sony VGN-NR Power Adapter
The Sony VGN-NR AC adapter has two main uses, to charge any and all batteries and to provide a source of power for the unit. If buying off-brand, make sure to check the output of amps and voltage. A universal AC adapter can be used if yours is unavailable or backordered. Due to the fact that one Sony adapter is probably used on other similar units, make sure you check the part number for the correct one. When purchasing a replacement AC charger, the actual Sony brand is the best one to choose.
Some clues of an inadequate power adapter
- Most Sony adapters can get quite warm when plugged in for 10 minutes or more
- Your Sony battery refuses to charge at all
- The laptop does not work while just using AC power
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