Follow these instructions with the monitor connected: Click the Apple icon in the top left of the screen. Click System Preferences. Click on Displays, on the second line. Click the Arrangement tab. Check the “Mirror Displays” checkbox in the bottom left of the window.
Tag: monitor
After disconnecting a secondary monitor you can’t see some programs
Problem When disconnecting your secondary monitor you may find that the windows you had on that screen haven’t returned to your main screen and are now not visible. Solution You can right click on the taskbar and click Cascade Windows. This will bring all the windows back on the screen. You can also move an… Continue reading After disconnecting a secondary monitor you can’t see some programs
“No Signal” on monitor when logging on to Windows
Problem When starting up the computer the screen display operates without problems until it starts logging into Windows when it says “No Signal”. Solution Start the computer in Safe Mode. Open the Device Manager. Expand the Display adapters section. For each item listed, right click it and select Uninstall. Restart the computer..