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If your battery is dead and you connect the power supply with your battery installed, the battery will automatically start charging. If you wish to run your MacBook off your power supply only, simply remove your battery from your MacBook and connect the power supply. You will then be running solely on the power supply. If you battery becomes fully charged while your power supply is connected, you MacBook will switch to the power connector as it's power source - preserving the battery.
What else can I help you with?
If your battery is completely dead can your car cut off while driving?
Engine Failure to Run if Battery is "Dead"Yes, a dead battery can not provide adequate electrical power to the ignition system and thus the engine cannot continue to run. Depending on the vehicle and electrical system, this can happen, even if the battery is not dead, but only to "low."
Would a car battery drain if only one cable is connected?
No, not from something pulling power from the battery. A battery that runs down with one cable disconnected has a dead cell and must be replaced.
Why did your Car lose all power including electrics when driving?
One possiblity could be that the charging system has failed and you were running off battery power only, eventually the battery goes dead and so does the car.
Can you get left 4 dead 2 on a MacBook Pro?
Left 4 Dead 2 will only be available for the XBox 360 and computers running the Windows operating system. You will need to install Windows on your MacBook Pro to be able to play the game.
How do you get into your car when the battery is dead?
Use the key to unlock it. The key is manually activated. Only the keyless entries will not work when the battery is dead.
What is killing your battery in your 2000 Lincoln LS?
If the battery is running down if it sits for a long period of time then either something is on that is pulling power from the battery or the battery has a dead cell. Check the under hood, glove box, trunk, & interior lights. Also check the brake lights. In rare cases it can be a stuck relay such as a power window relay. If it has a dead cell the only fix is to purchase a new battery. That one dell cell will continually run the battery down.
Is polarity important when using power tools?
Only if it is a battery power tool and you fit the battery in reverse.
What would cause a 1993 grand am to die and then not even turn over when trying to start it?
A charging system failure. You drove it on battery power only and it eventually went dead.
Your 1997 cirrus only starts with a jump while driving battery lite stays lit?
battery light indication means a dead battery or a dead alternater/regulater or a fault in the charging/ignition system
What computer is better the MacBook or the MacBook air?
MacBook is Good portable computers. If you want a desktop that is the best a Mac Pro i the best out of all the Macs. But if you want something simple and not to high tech then a MacBook is the way to go.
If your Pokemon Silver game is continually erasing every time you turn the power off is there any way to fix it?
It is erasing because the game's internal battery is dead. The battery life is only 4-5 years, my games did the same.
Will a dead battery recharge itself?
No, it will not. If it's not a rechargeable battery, your only choice will be to throw it out and get a new one. If it's rechargeable, you'll need to connect it to a charger. If it's only low and not dead yet, there are ways to conserve battery so it will last longer. But if it's completely dead there's nothing you can do except find a charger.
