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Sony VGN-SZ740 Power Adapter
When choosing a new AC adapter, the actual Sony brand is always going to be the safest and easiest way to go. If you decide to buy an non-Sony adapter, make note of both the voltage and amperage output. Because Sony has been known to use a single AC adapter that can be used on other units, make sure you check the part number for the correct one. A universal AC adapter is another possibility if you are desperate. The Sony VGN-SZ740 AC adapter is responsible for two things, charging the battery while simultaneously providing power for the laptop.
Key indicators that my laptop charger has gone bad?
- Your Sony battery refuses to charge every time
- The laptop does not work without the battery installed
- Most Sony adapters can get quite warm when plugged in for any length of time
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