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Sony VGN-Z799DJB Power Adapter
When choosing a new charger, the actual Sony brand will probably be the safest way to go. The Sony VGN-Z799DJB AC adapter is responsible for two things, to charge the onboard battery while simultaneously providing power for the laptop. If buying off-brand, make note of both the voltage and amperage output. Due to the fact that one Sony adapter can be used on other units, be certain to thoroughly note the part number that is needed for this model. A universal AC adapter is another possibility but only if necessary.
Major indications your power adapter needs replacing ASAP
- The unit will not run while just using AC power
- Most Sony adapters get warm when plugged in for any length of time
- Your Sony battery refuses to charge up completely
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