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Sony PCG-GR370K Power Adapter
Due to the fact that one Sony adapter is most likely used on other laptop models, make sure you check the part number for the correct one. When purchasing a replacement AC charger, the actual Sony brand is always going to be the safest and easiest way to go. If buying off-brand, make note of both the voltage and amperage output. The Sony PCG-GR370K AC adapter provides two functions, to charge the onboard battery and powering the laptop. A universal AC adapter is a possibility if you are desperate.
Some clues to watch for in a bad laptop charger
- Most Sony AC adapters will get warm to the touch when plugged in for 10 minutes or more
- The laptop does not operate while just using AC power
- Battery does not charge completely
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