computer, the problem could be with the external device or its
cable. Isolate the problem by running POST with and without the
external device connected.
6. Use Advanced Diagnostics and loopback plugs in the serial and parallel
connectors if you plan to test these ports. To run Advanced
Diagnostics, complete the following steps:
a. Insert the Diagnostics diskette into the diskette drive and turn on
the computer.
b. At the Welcome Screen, enter Ctrl+A.
c. Press Enter to accept OK.
d. Select Computer Checkup (TEST).
e. Select Prompted Diagnostics after "Identifying System Hardware"
completes.
f. Select Interactive Testing and follow the displayed instructions.
7. Ensure that the battery pack is installed in the computer and the AC
adapter is connected to the computer and plugged into an AC power
source.
After completing the preliminary steps, run POST (Section 2.4) and
Computer Checkup (Section 2.5).
Running Computer Setup
The ROM-based Computer Setup displays the current system configuration and
allows you to set system and power management parameters. These parameters
are stored in CMOS, and a backup copy is saved in a parameter block in
system flash ROM.
You can access Computer Setup by pressing F10 when the prompt appears
after you turn on the computer. The following configuration parameters can
be changed in Computer Setup:
o Power conservation (when)
o Power conservation (level)
o Hibernation on/off
o Hibernation settings
o Warning beep
o Setup password
o Diskette drive disable
o Serial ports disable
o Parallel port disable
o PC Card slots disable
o Resume password on/off
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