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Sony VGN-TZ191N Power Adapter
When purchasing a replacement AC adapter, selecting the Sony OEM charger is the best one to choose. If buying off-brand, make note of the output of amps and voltage. A universal power adapter can be used if you absolutely need to. The Sony VGN-TZ191N power adapter is responsible for two things, to charge the onboard battery and to provide a source of power for the unit. Because Sony has been known to use a single AC adapter that is probably used on other similar units, be sure you choose the right one.
General indicators that your the power charger is in dire need of a replacement
- Most Sony adapters will get very warm to the touch when plugged in for 10 minutes or more
- Your Sony battery refuses to charge at all
- The unit will not function while solely using the AC adapter
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A Sony VGN-TZ191N power adapter should really be bought in factory new condition due to the wear on an old used power adapter. It is in your best interest to re-check the part number before placing an order for a new power adapter. Your Sony laptop will thank you for ordering smartly online. Be sure to always purchase parts from a known seller when you buy online.
Feel free to download your manual for help.
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