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Message/Symptom
FRU/Action
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
Chapter 7 “Hardware removal and installation” on page 49.
Service checkout and symptom-to-FRU index
39
Содержание ThinkStation P620
Страница 1: ...P620 Hardware Maintenance Manual ...
Страница 11: ...Chapter 1 Important safety information 7 ...
Страница 12: ... 18 kg 37 lb 32 kg 70 5 lb 55 kg 121 2 lb 1 2 8 P620 Hardware Maintenance Manual ...
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Страница 63: ...Replacement steps Chapter 7 Hardware removal and installation 59 ...
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Страница 69: ...4 Install the slim optical drive adapter Chapter 7 Hardware removal and installation 65 ...
Страница 73: ...Replacement steps for the slim optical drive Chapter 7 Hardware removal and installation 69 ...
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Страница 79: ...Replacement steps for the 15 in 1 card reader Chapter 7 Hardware removal and installation 75 ...
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Страница 88: ...Replacement steps 84 P620 Hardware Maintenance Manual ...
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Страница 103: ...Replacement steps Chapter 7 Hardware removal and installation 99 ...
Страница 107: ...Reset the system date and time in the UEFI BIOS menu Chapter 7 Hardware removal and installation 103 ...
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