DKVM Hot Key Menu Scroll Lock + Scroll Lock + 1 - Switches to PC 1 Scroll Lock + Scroll Lock + 2 - Switches to PC 2 Scroll Lock + Scroll Lock + S - Activates Auto Scan Mode. Each computer will be scanned every 10 seconds. Press the space bar to exit auto scan mode. Scroll Lock + Scroll Lock + B - Turns beeper ON/OFF Scroll Lock + Scroll Lock + M - Resets the mouse and keyboard Note: The right and left key’s can also be used to toggle through each port one-by-one. To activate this feature press Scroll Lock + Scroll Lock and select either the right or left key. Troubleshooting Tips Keyboard: If your keyboard is not functional, not detected, or there is a keyboard error, check the following: Make sure that the keyboard is properly connected to the computer and to the KVM switch. Check that the keyboard is plugged into the correct USB/PS2 keyboard port and not the USB/PS2 mouse port. Verify that the keyboard works when plugged into the computer directly. If you have multiple operating systems installed on your computer, please contact your motherboard/computers manufacture for information on enabling USB/PS2 support on your system. Mouse: If your mouse is not functional, not detected or there is a mouse error, check the following: Make sure that the mouse is properly connected to the computer and to the KVM switch. Check that the mouse is plugged into the correct USB/PS2 mouse port and not the USB/PS2 keyboard port. Verify that the mouse works when plugged into the computer directly. Try using a different mouse. If you are having trouble with the mouse movement, try resetting the switch by pressing Scroll Lock + Scroll Lock + M. Do not move the mouse or press any mouse buttons when switching from one PC to another. Try resetting the mouse by unplugging it from the DKVM for about 3 seconds and reconnection it. Video: If the image on your monitor is not clear, check the following: Verify that the video monitor cables are inserted properly. Try lowering the resolution and refresh rate of your monitor. Try using a shorter video cable.