Manufactures don't recommend to that because it causes decrease of battery life.
The laptop will turn off when it is unplugged from the AC adapter
Your laptop is unable to charge because of a problem with your adapter or the battery itself; try plugging out the battery and returning.
get a new laptop
the laptop turns off when unplugged from AC adapter
i think you mean that let the laptop work with laptop adapter and the battery. well, i suggest that you should work with the laptop adapter for the most time, cause when the laptop battery is full charged, the adapter won't stop it's wrok and keep charging the battery, that means the battery has to discharge(supply the power) and be charged at the same time. unfortunately, this condition may decrease the life of most lithium basic batteries. so, keep the laptop working with the adapter for the most long time.
Every laptop is different. If you unplug your AC power adapter from the laptop and it start it up, then your battery is doing the work. If you want to check the opposite, remove the battery and make sure the AC power adapter is plugged in properly and start it up. If your laptop starts up from one form of power but not the other, either your connection is bad or the hardware itself (ex. battery or AC power adapter) is faulty.
no
If you are running the laptop off an AC adapter, there is no problem if you keep the battery out - however I keep my battery in, just in case if there is a power failure.
No, as long as the power adapter is plugged in, the laptop will boot without the battery installed.
Probably the battery is discharged. It's possible the battery is not charging because the power adapter is dead. Check the power adapter with a voltmeter.
Becasue the battery stores electrical power. You may get a shock from the battery if you short circuit it, or accidentally turn the laptop on while checking the power adapter. Alternatively, if you are checking to see if the power adapter is working, you will not be able to tell if the battery is in because it will be providing the power.
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