![]() Its been getting worse over time, my usual response at first was to flick the on/off button and it would suddenly re-appear again, After this happening for some time it got worse so I started investigating what options were available. ![]() I have been running into Black screens for some time now, Hi I have a mid 2010 27″iMac running High Sierra. Remember to always contact an official Apple Support channel via, or authorized support or repair center for best results.ĭid this resolve your black screen on wake issues for your Mac? Let us know what helped or what didn’t in the comments below, and if you have another solution then share that too! Although rare, it’s possible that a hardware issue is the cause of the problem, or perhaps some other issue that has been overlooked is causing the problem. If you have done all of the above and the Mac is still getting stuck on a black screen when waking from sleep, it’s time to call the official Apple Support line or bring your Mac to an Apple Store for service. 5: Black Screen on Wake Still Appearing? Contact Support You can reinstall Mac OS without formatting the computer though it’s always a good idea to backup first. If you reset SMC, NVRAM, turned up the brightness, and insured the computer is connected and powered on, yet the Mac still wakes to a black screen continuously, you may need to reinstall MacOS Sierra (or whatever version is on the Mac). Resetting SMC and NVRAM is a common troubleshooting trick for many odd power and display issues, and similar to the black screen on wake it will also fix most occurrences when a Mac boots to a black screen and is unresponsive on system start too. Next, reboot the Mac again and this time hold down Command+Option+P+R keys concurrently for about 20 seconds, this resets the NVRAMįor other Macs you can read how to reset SMC on Macs here, and how to reset NVRAM / PRAM on Macs here.Release all keys at the same time, then reconnect the Power cable and turn the Mac back on again.Hold down Shift + Control + Option and Power button at the same time for 12 seconds.If the Mac repeatedly gets stuck on a black screen when waking from sleep, you should reset the onboard power management and NVRAM.įor modern MacBook Pro machines, the steps to perform both SMC and NVRAM reset are as follows: Sometimes just rebooting the Mac will be sufficient to remedy the issue completely, this is often the case if you encounter the black screen on wake after updating Mac system software. Wait a few moments and then hold down the Power button on the Mac again until it boots back up again. ![]()
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