

Your Mac automatically sleeps after the set time. Your MacBook may have a hardware problemġ.Mac won’t sleep if Spotlight is indexing files.Use Activity Monitor to see apps taking unnecessary resources.Quit apps designed to prevent Mac’s sleep – like Amphetamine.Check Mac’s sharing preferences like printer or hard disk.Stop Bluetooth devices from waking your Mac.Make sure Mac’s sleep settings are correct.Here are the tested solutions to ensure your Mac goes to sleep without any problems. This may affect the longevity of your Mac as sleep mode saves energy when you are not using it. Click on ‘Run’ and follow the on screen instructions.If your Mac doesn’t go to sleep, it could be due to some apps or items meddling with the process.Select ‘Single-file Download’ and click on ‘Continue’.Also, the battery should be charged 10% or above. Disconnect all the external peripherals like printer, camera, scanner, external hard drive, flash drive etc. Note: Please save any unsaved data as your system will restart automatically after updating the BIOS.

In case the issue is not resolved, update the system BIOS:
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Enter your system’s Service Tag and select the operating system.If above method doesn’t work re install the video driver: Select Do nothing and your laptop will not sleep when you close the lid.When control Panel Box opens search for power option and click on “Change what closing the lid does”.Open the Windows start menu, search for ‘Control Panel’ and open it when it appears.Not only can you keep the laptop on when you close the lid, you can also set it to hibernate, shut off, or “Do nothing.” By default Windows 7, 8 and 10 will make a laptop computer to go sleep when the lid is closed.you can change that setting.
