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Sony VGN-Z720D Power Adapter
The Sony VGN-Z720D power adapter is responsible for two things, to charge the onboard battery while simultaneously providing power for the laptop. Upon choosing a replacement charger, the actual Sony brand is usually going to be the safest choice. If buying off-brand, please check on both the volts and amps outputs. Due to the fact that one Sony adapter powers multiple other machines, make sure you check the part number for the correct one. A universal power adapter is another possibility but only if necessary.
Red flags your laptop charger will soon need to be replaced
- The unit will not run while just using AC power
- The majority of Sony power chargers can get quite warm when they are plugged in for a period of time
- Battery does not charge up every time
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