Message/Symptom
FRU/Action
RPL computer does not RPL from server
1. Check the startup sequence.
2. Check the network adapter LED status.
Serial or parallel connector device failure (system board
connector)
1. External Device Self-Test OK?
2. External Device
3. Cable
4. System Board
Serial or parallel connector device failure (adapter
connector)
1. External Device Self-Test OK?
2. External Device
3. Cable
4. Alternate Adapter
5. System Board
Some or all keys on the keyboard do not work
1. Keyboard
2. Keyboard Cable
3. System Board
Undetermined problems
This section provides instructions on how to find out the failing devices or adapters.
1. Turn off the computer.
2. Remove or disconnect the following components (if installed) one at a time.
a. External devices (modem, printer, or mouse)
b. Any adapters
c. Memory modules
d. Extended video memory
e. External Cache
f. External Cache RAM
g. Hard disk drive
h. Diskette drive
3. Turn on the computer to retest the system.
4. Repeat steps 1 through 3 until you find the failing device or adapter.
If all devices and adapters have been removed, and the problem continues, replace the system board. See
“System board” on page 71.
Service checkout and symptom-to-FRU index
39
Summary of Contents for Legion Tower 5i
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Page 13: ...Chapter 1 Important safety information 7 ...
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Page 35: ...Chapter 3 Product overview Front 1 Lenovo Legion logo LED indicator Copyright Lenovo 2020 29 ...
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