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Sony VGN-NR420E Power Adapter
When purchasing a replacement charger, choosing the Sony brand one will probably be the safest way to go. If you decide to buy an non-Sony adapter, make sure to check both the voltage and amperage output. The Sony VGN-NR420E AC adapter is needed for two reasons, to charge up the main battery and to provide a source of power for the unit. Due to the fact that one Sony adapter is probably used on other similar units, be certain to thoroughly note the part number that is needed for this model. A universal AC adapter can be used if you absolutely need to.
What red flags are there that my charger needs to be replaced?
- Battery does not charge up all the time
- The unit will not run while solely using the AC adapter
- Most Sony adapters can get quite warm when plugged in for any length of time
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A Sony VGN-NR420E power adapter is best purchased brand new due to the wear on any old power adapter that may occur. Try to always purchase computer products from a known seller when buying via the internet. Please be sure to check and double-check the manufacturers part number so you order the correct power adapter replacement. Your Sony laptop will thank you for buying the right way!
Feel free to download your manual for help.
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