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Sony PCG-FX290K Power Adapter
Because Sony uses one power charger that powers multiple other machines, double-check the part number or model number of the adapter. The Sony PCG-FX290K power adapter is needed for two reasons, charging the battery while simultaneously providing power for the laptop. When choosing a new charger, selecting the Sony OEM charger is usually going to be the safest choice. If you decide to buy an non-Sony adapter, please check on both the volts and amps outputs. A universal AC adapter is another possibility if yours is unavailable or backordered.
Some warnings to watch for in a bad Sony power adapter
- Most Sony adapters will get very warm to the touch when plugged in for 10 minutes or more
- The unit will not run without the battery installed
- Your Sony battery refuses to charge at all
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