Related Service Procedures
Checking Installed Devices
The Installed Devices List shows the presence of devices
in the computer. If an adapter or device is missing from
the list, you might have one of the following conditions.
An adapter or device is defective.
The device missing from the list is an unrecognizable
drive or adapter.
The device missing from the list requires an additional
diskette. (See the device service manual.)
A power supply voltage is incorrect (see “Power
Systems Checkout” on page 27).
If the adapter is on the list, run the adapter diagnostics
tests. If the list contains an adapter or device that is not
installed, go to “Undetermined Problem” on page 36.
Power-on Password
Important
This information is not available in this HMM online
format. See your IBM Servicer or IBM Authorized
Dealer for this procedure.
How to Run Advanced Diagnostics
1. Power-off the computer.
2. Insert the backup copy of the Reference Diskette into
the diskette drive.
3. Power-on the computer.
4. Advance to the Main Menu.
5. Press Ctrl
+
A to run the System Checkout.
Model L40 SX (8543)
37