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Sony PCG-FX390 Power Adapter
Because Sony has been known to use a single AC adapter that can be used on other units, double-check the part number or model number of the adapter. If buying off-brand, make sure to check both the volts and amps outputs. When choosing a new adapter, selecting the Sony OEM charger is the best one to choose. A universal power adapter is a possibility if you are desperate. The Sony PCG-FX390 power adapter is responsible for two things, to charge any and all batteries and powering the laptop.
Subtle hints your power adapter needs a replacement ASAP
- Your Sony battery refuses to charge at all
- Most Sony adapters will get warm to the touch when plugged in for 10 minutes or more
- The unit will not run using just the AC power adapter
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