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Sony VPCSA290X Power Adapter
The Sony VPCSA290X AC adapter is responsible for two things, to charge the onboard battery and powering the laptop. If you decide to buy an non-Sony adapter, it is imperative to note both the voltage and amperage output. A universal power adapter is a possibility if you are desperate. When choosing a new charger, choosing the Sony brand one is the best one to choose. Because Sony has been known to use a single AC adapter that powers multiple other machines, make sure you check the part number for the correct one.
Clues your laptop charger is dead
- The laptop does not run while solely using the AC adapter
- Most Sony AC adapters get warm when plugged in for 10 minutes or more
- Your Sony battery refuses to charge up completely
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