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Sony VPCF1390X Power Adapter
The Sony VPCF1390X AC adapter is needed for two reasons, to charge the onboard battery and powering the laptop. If you decide to buy an non-Sony adapter, make sure to check the output of amps and voltage. Due to the fact that one Sony adapter powers multiple other machines, double-check the part number or model number of the adapter. When choosing a new AC adapter, selecting the Sony OEM charger is the best one to choose. A universal power adapter is another possibility but only if necessary.
What are the signs that the charger is failing?
- Your Sony battery refuses to charge whatsoever
- The laptop does not operate without the battery installed
- The majority of Sony power chargers will get warm to the touch when they are plugged in for a period of time
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