A menu should appear containing several choices. To toggle hotkeys on or off, right-click in an empty space on your desktop.If pressing these keys simultaneously does not seem to have any effect, you can try the following steps to ensure that hotkeys are enabled with your particular graphics card or you can just proceed to the next method shown below for resolving this issue.If pressing these keys simultaneously does not seem to have.The most common keyboard shortcut combinations to rotate your screen are as follows: CTRL+ALT+Up Arrow, CTRL+ALT+Down Arrow, CTRL+Alt+Left Arrow, CTRL+Alt+Right Arrow. It is also possible that your particular configuration does offer these hotkey combinations, but that they need to be manually enabled before they can be used.