#MAC DESKTOP SCREEN KEEPS GOING BLACK MAC#

Now, use the monitor to see if it powers off or goes blank.

Set the screensaver to 'None' and click Apply. The 'Change Screen Saver Settings' window will appear. It has now remained on for at least 20 min. Click Start, type in 'screensaver' (no quotes) in the search box wait a few seconds and then click the Change Screensaver link when it is presented. After having the screen go black every few seconds, and trying every kind of reset and solution I could find without dismantling my iMac, I unplugged my keyboard.

#MAC DESKTOP SCREEN KEEPS GOING BLACK MAC#

Select 'Power Adapter' at the top of the window and use the same method to adjust your sleep settings. I keep the temperature of my mac under control manually (I try to keep it at 35-37°). from the View menu to open the preferences pane. From the Apple ( ) menu, choose System Preferences. If the display does not come up, was previously set to an unsupported resolution, and still results in no video: Start up in Safe Mode. Select the Display tab at the top of the window, if it is not already. Press and hold the Shift key while your system starts to boot into Safe Mode. Start by resetting the Macs parameter RAM. Click System Preferences and choose Displays. the symptoms of my issue were that the desktop would display for a second after the wake from sleep and return to black. what seems to work, however, is to set a login after wake from sleep. Check the brightness level: Try adjusting your display’s brightness. You can set it anywhere from 1 minute to 3 hours or 'Never.'ĭeselect the box that says 'Slightly dim the display when using this power source.'ĭeselect the box that says 'Automatically reduce brightness before the display goes to sleep' if you do not want dimming as an indicator that your display will sleep soon. To do this, press and hold the D key while you boot your Mac, and then see if any hardware issues are detected. imac, black screen on wake from sleep hi, id been getting this for a good time now and tried the various suggestions to no avail. If your display is dark, check the brightness level, check that your Mac and display are turned on and not in sleep, and make sure cables are connected. Choose the 'Energy Saver' icon from the 'Hardware' area.Ĭhoose 'Battery' from the top of the window.Ĭlick and hold on the slider next to 'Display sleep' and drag it to the right to increase the amount of time before the display goes to sleep.

Mac desktop screen keeps going black