Owners Manual

Table Of Contents
Troubleshooting Your System | 317
devices. See Figure 1-1 to Figure 1-6, and Figure 1-14, Figure 1-15 for
the front- and back-panel connectors on your system.
Troubleshooting the Video Subsystem
1. Check the system and power connections to the monitor.
2. Check the video interface cabling from the system to the
monitor.
Troubleshooting a USB Device
Use the following steps to troubleshoot a USB keyboard and/or
mouse.
For other USB devices, go to step 5.
1. Disconnect the keyboard and mouse cables from the system
briefly and reconnect them.
2. Connect the keyboard/mouse to the USB port(s) on the opposite
side of the system.
3. If the problem is resolved, restart the system, enter the System
Setup program, and check if the nonfunctioning USB ports are
enabled.
4. Replace the keyboard/mouse with another working
keyboard/mouse.
If the problem is resolved, replace the faulty keyboard/mouse.
If the problem is not resolved, proceed to the next step to begin
troubleshooting the other USB devices attached to the system.
5. Power down all attached USB devices and disconnect them from
the system.
6. Restart the system and, if your keyboard is functioning, enter the
system setup program. Verify that all USB ports are enabled. See
USB Configurationon page 103.