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Sony PCG-SR31K Power Adapter
Because Sony has been known to use a single AC adapter that powers multiple other machines, be certain to thoroughly note the part number that is needed for this model. The Sony PCG-SR31K power adapter is responsible for two things, to charge any and all batteries and to provide a source of power for the unit. A universal AC adapter can be used if yours is unavailable or backordered. If you decide to buy an non-Sony adapter, make sure to check both the voltage and amperage output. When choosing a new AC charger, the actual Sony brand is always going to be the safest and easiest way to go.
Red flags your laptop charger is in dire need of a replacement
- Most Sony AC adapters will get very warm to the touch when plugged in for any length of time
- The unit will not run using just the AC power adapter
- Battery does not charge whatsoever
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It is always best to double-check the model number so you order the correct power adapter replacement. Sony PCG-SR31K power adapter is going to be better in new condition for a variety of reasons, including wear and tear on an old used power adapter. The Sony PCG-SR31K will be better off for buying the right part! Be sure to always buy computer products from a known seller if you purchase through a website.
Feel free to download your manual for help.
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