![]() ![]() ![]() Does your Mac turn on now? If you can power on your computer without the battery installed, the issue isn’t the power supply or cables, but it’s your battery. If your Mac’s battery can be removed, remove the battery, then plug your computer into a working power outlet. These are all MacBook models that were introduced in early 2009 or earlier. Some MacBook models have a battery that can be removed.If possible, try to use the original power adapter that came with your Mac.For example, plug in a lamp. This will let you know for sure if the power outlet is working? If not, try a different outlet. You can do so by plugging another device into it. Test to see if the power outlet is functioning properly.Check three things: (a) is it the right adapter for your MacBook? (b) is it plugged in properly, for example, make sure that the connections are firm and (c) do you see signs of damage? Maybe there is something wrong with your charging cord. Take a careful look at the power cord.If your computer is still not working, try the following: If your computer works with the adapter plugged in, the problem is with your battery. If this does not solve your problem, now try to unplug the power adapter from the power outlet, wait for about 30 seconds, and then plug it back in. Give it a few minutes and then try to turn it on by pressing the power button. If this is the case, then your problem lies with the MacBook’s hardware or software.ĭo you see a white screen on your Mac? MacBook Shows No Sign of PowerĬonnect your MacBook to a wall power outlet and let it charge for a little while. ![]()
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