Network cable for macbook air3/29/2023 ![]() ![]() With the cable still attached, click System Preferences on the Dock and choose Software Update. Update your MacBook: Use this solution when encountering issues with an external display.Push the Power button again to see if the screen turns on. Hold down the Power button for at least 10 seconds. Try a hard restart: Do this if the laptop appears to be working but the screen won’t turn on.Problem: My screen isn’t working Solution: However, if you have added memory or other capabilities via external or internal work, removing upgrades may solve the problem. This is rare for the Air, which is compact and not upgrade-friendly. Remove any manual upgrade(s): Sometimes, an upgrade like new memory can freeze a laptop in permanent “uh-oh” mode.Push the Power button again to see if the Mac turns on. Hard restart your MacBook: Hold down the Power button for at least 10 seconds. ![]() Try disconnecting everything (mouse, mobile devices, etc.) to see if that helps fix the problem. Is the battery charged? Does your laptop work with the power cord plugged in? Does a different power cord work? This indicates a problem with the battery or power cord.
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