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Sony VGN-FS740Q Power Adapter
Because Sony uses one power charger that is probably used on other similar units, be certain to thoroughly note the part number that is needed for this model. The Sony VGN-FS740Q AC adapter has two main uses, to charge any and all batteries and to provide a source of power for the unit. When choosing a new charger, choosing the Sony brand one is the best one to choose. If your decision is to purchase a different brand charger, make sure to check both the voltage and amperage output. A universal AC adapter is another possibility if you absolutely need to.
Red flags the power charger has very little life left
- The laptop does not function using just the AC power adapter
- Most Sony AC adapters can get quite warm when plugged in for 10 minutes or more
- Your Sony battery refuses to charge completely
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