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Sony PCG-F340 Power Adapter
The Sony PCG-F340 AC adapter is responsible for two things, charging the battery while simultaneously providing power for the laptop. If your decision is to purchase a different brand charger, make sure to check both the voltage and amperage output. A universal power adapter is a possibility but only if necessary. Because Sony uses one power charger that powers multiple other machines, double-check the part number or model number of the adapter. When choosing a new adapter, selecting the Sony OEM charger is always going to be the safest and easiest way to go.
Major clues your AC adapter will need replacing
- The laptop does not function without the battery installed
- Battery does not charge up completely
- Most Sony adapters will get warm to the touch when they are plugged in for a period of time
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