D-Link KVM-221 Quick Installation Guide - Page 10

Troubleshooting Troubleshooting Keyboard If your keyboard is not functional, not detected, or there is a keyboard error on boot-up, check the following: • Make sure that the keyboard is properly connected to the KVM-221. Check that the keyboard cable is securely plugged into the correct USB keyboard port and not the USB mouse port. • Verify that the keyboard works when plugged into the computer directly. • Read your motherboard documentation and make sure that the USB keyboard's IRQ is enabled. This can be set for most computers in the BIOS setup. • Try using a different USB keyboard. • Try resetting the mouse and keyboard by pressing Scroll Lock + Scroll Lock + M. Mouse If your mouse is not functional, not detected, or there is a mouse error on boot-up, check the following: • Make sure that the mouse is properly connected to the KVM-221. Check that the USB mouse cable is plugged into the correct USB mouse port and not the USB keyboard port. • Verify that the mouse works when plugged into the computer directly. • Read your motherboard documentation and make sure that the USB mouse's IRQ is enabled. This can be set for most computers in the BIOS setup. • Try using a different mouse. • If mouse movement is random when switching between computers, try shutting down your computer and rebooting. • 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 KVM-221 for about 3 seconds and then reconnect. D-Link KVM-221 Quick Install Guide 10