To manage the power consumption on your Mac, putting it to sleep is an effective way without need to do a lot of turning off and on again. Some Mac devices running on Lion OS have been reporting some problems with system waking up after it. If your Mac stuck in this situation, don’t worry there are some ways to get out from this situation.
How to fix Mac that stuck asleep
Get off the mouse
To wake up Mac from the sleep mode just swipe for the mouse, but for some reason this not works always. Users are reporting that it seems to work best using the space bar, though any key will do the same work. If you want to avoid the keys like option, controls or command since depending on where your left off. If it doesn’t work you may also give the power button a light tap. If you doesn’t fix this problem by this way, you can move on to the next step, hard reset.
Although, you can get back from this situation using this method, it is not recommended way to shut down your Mac, but in this type of cases this is the only way to go. You need to hold down your button button until the sleep indicator light. The wait for few seconds and then restart. If your machine doesn’t restart as normal at this point, you want to call Apple care.
These solutions will work well for one time waking the issues, but if you have more chronic issues with waking slowly, there is one thing we can try.
Reset the system management controller
A system management controller running improperly can cause the host of issues, including sleep mode problems, case fans, improper lighting and more things. Below is the procedure you will use the depends on type of Mac device have.
Macbook With a removable battery
- Shut down your Mac device and unplug it from power cord.
- Take out the battery and follow the well-marked release mechanism on bottom of device.
- Hold down the power button for exactly 5 seconds and put the battery back in.
- Re-plug the power supply, if needed an now turn your Mac book on.
Macbook without removable battery
- Shut down Mac device and plug in the power cord.
- Hold on the Shift+Control keys simultaneously with the power cord and be sure that you release both of them at same time.
- Now turn your Mac book on
- Shut down you Mac desktop and unplug the power cord and wait for 15 seconds
- Re-attach the power cord to the Mac and wait for 5 seconds
- Re-start your mac as usual