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Sony VGN-TT190N Power Adapter
When choosing a new AC adapter, choosing the Sony brand one will probably be the safest way to go. Because Sony has been known to use a single AC adapter that can be used on other units, be sure you choose the right one. If buying off-brand, it is imperative to note both the voltage and amperage output. The Sony VGN-TT190N power adapter has two main uses, charging the battery and powering the laptop. A universal power adapter is a possibility but only if necessary.
Simple signals the Sony power adapter will not last the year
- Your Sony battery refuses to charge up completely
- Most Sony AC adapters can get quite warm when plugged in for 10 minutes or more
- The laptop does not run while solely using the AC adapter
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