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Sony VGN-CR520E Power Adapter
When choosing a new AC adapter, choosing the Sony brand one is usually going to be the safest choice. Because Sony has been known to use a single AC adapter that is probably used on other similar units, be certain you select the correct one for the VGN-CR520E model. The Sony VGN-CR520E AC adapter is needed for two reasons, charging the battery and to provide a source of power for the unit. If buying off-brand, make sure to check both the voltage and amperage output. A universal AC adapter is another possibility if you are desperate.
Some warnings of a weakening power adapter
- The laptop does not operate while just using AC power
- The majority of Sony power chargers will get warm to the touch when plugged in for 10 minutes or more
- Battery does not charge up whatsoever
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