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Sony VGN-NW140J Power Adapter
When choosing a new AC charger, selecting the Sony OEM charger is usually going to be the safest choice. If buying off-brand, make sure to check both the voltage and amperage output. The Sony VGN-NW140J power adapter has two main uses, to charge any and all batteries and powering the laptop. A universal power adapter can be used if you are desperate. Due to the fact that one Sony adapter is probably used on other similar units, double-check the part number or model number of the adapter.
Major indications of a laboring AC adapter
- The majority of Sony power chargers get warm when plugged in for any length of time
- The unit will not operate while just using AC power
- Battery does not charge up at all
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