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Sony VGN-A140B Power Adapter
Upon choosing a replacement adapter, the actual Sony brand is usually going to be the safest choice. If you decide to buy an non-Sony adapter, make sure to check both the volts and amps outputs. Because Sony uses one power charger that can be used on other units, be certain you select the correct one for the VGN-A140B model. The Sony VGN-A140B AC adapter is needed for two reasons, to charge up the main battery and powering the laptop. A universal power adapter is another possibility if you absolutely need to.
Cues poorly running laptop charger
- Most Sony adapters will get very warm to the touch when they are plugged in for a period of time
- The laptop does not function while just using AC power
- Battery does not charge up whatsoever
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