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Sony PCG-F590 Power Adapter
If buying off-brand, please check on both the voltage and amperage output. When purchasing a replacement AC adapter, choosing the Sony brand one will probably be the safest way to go. The Sony PCG-F590 power adapter has two main uses, to charge the onboard battery and to provide a source of power for the unit. Because Sony uses one power charger that is probably used on other similar units, be sure you choose the right one. A universal AC adapter is another possibility but only if necessary.
Major indications your laptop charger will not live much longer
- The laptop does not function while just using AC power
- Most Sony adapters get warm when plugged in for 10 minutes or more
- Your Sony battery refuses to charge up at all
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