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Sony VGN-BX740P Power Adapter
The Sony VGN-BX740P power adapter provides two functions, to charge up the main battery and to provide a source of power for the unit. If you decide to buy an non-Sony adapter, it is imperative to note the output of amps and voltage. Because Sony uses one power charger that powers multiple other machines, be sure you choose the right one. A universal power adapter is a possibility if you absolutely need to. When purchasing a replacement AC charger, the actual Sony brand is usually going to be the safest choice.
Key clues of a bad power adapter
- The unit will not run without the battery installed
- Your Sony battery refuses to charge every time
- Most Sony adapters will get very warm to the touch when plugged in for any length of time
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