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Sony PCG-GR290P Power Adapter
If buying off-brand, make sure to check the output of amps and voltage. When choosing a new AC adapter, the actual Sony brand is always going to be the safest and easiest way to go. A universal AC adapter can be used but only if necessary. Because Sony has been known to use a single AC adapter that is probably used on other similar units, make sure you check the part number for the correct one. The Sony PCG-GR290P power adapter is responsible for two things, to charge the onboard battery while simultaneously providing power for the laptop.
Hints your AC adapter needs a replacement ASAP
- Your Sony battery refuses to charge up completely
- Most Sony AC adapters can get quite warm when plugged in for any length of time
- The unit will not function without the battery installed
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