To access the troubleshooting section of your computer's
online Reference Guide, click StartÆ HelpÆContentsÆdouble-
click Troubleshooting.
If a problem persists, refer to Appendix A for information about
contacting Compaq customer support.
Quick Solutions Checklist
Is the desktop expansion base connected to external power?
Is the system turned on?
Is the computer properly docked?
If the problem is with an external device that has a power
switch, is the power switch turned on?
Are all cables connected properly and securely?
Have you installed all needed device drivers?
Should you unlock the expansion base keylock?
12-2 Troubleshooting