Lenovo ThinkCentre M92 Hardware Maintenance Manual (HMM) (May 2012) - ThinkCen - Page 53

Hard disk drive problems, Keyboard, mouse, or pointing device problems, hard disk drive

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Actions: • Verify that all cables and cords are securely connected to the computer and attached devices. • Verify that when the computer is on, the fan grill is not blocked (there is air flow around the grill), and the fans are working. If airflow is blocked or the fans are not working, the computer might overheat. If these actions do not correct the problem, run the diagnostic programs (see "Lenovo Solution Center" on page 58 for instructions). If you need technical assistance, see "Additional information resources" on page 34. Hard disk drive problems Select your symptom from the following list: • "Some or all hard disk drives missing from the Setup Utility program" on page 47 • ""No Operating System Found" message or the system not starting from the correct hard disk drive" on page 47 Some or all hard disk drives missing from the Setup Utility program Symptom: Some or all hard disk drives missing from the Setup Utility program Actions: • Ensure that all hard disk drive signal cables and power cables are connected correctly. • Ensure that your computer is configured correctly to support the hard disk drives. - If your computer is installed with five SATA hard disk drives, ensure that the SATA hard disk drive enablement module (one to five hard disk drives) is installed. - If your computer is installed with SAS hard disk drives, ensure that the SAS hard disk drive enablement module (one to five hard disk drives) or the LSI MegaRAID SAS adapter is installed. If these actions do not correct the problem, run the diagnostic program Lenovo Solution Center. See "Lenovo Solution Center" on page 58. If you need technical assistance, see "Additional information resources" on page 34. "No Operating System Found" message or the system not starting from the correct hard disk drive Symptom: "No Operating System Found" message or the system not starting from the correct hard disk drive Actions: • Ensure that all hard disk drive signal cables and power cables are connected correctly. • Ensure that the hard disk drive your computer starts from is listed as the first startup device in the Setup Utility program. Refer to "Selecting a startup device" on page 62. Note: In rare cases, the hard disk drive with the operating system might get corrupted or damaged. In such cases, you might need to replace the hard disk drive. If these actions do not correct the problem, run the diagnostic program Lenovo Solution Center. See "Lenovo Solution Center" on page 58. If you need technical assistance, see "Additional information resources" on page 34. Keyboard, mouse, or pointing device problems Select your symptom from the following list: • "All or some keys on the keyboard do not work" on page 48 Chapter 5. Troubleshooting and diagnostics 47

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Actions:
•
Verify that all cables and cords are securely connected to the computer and attached devices.
•
Verify that when the computer is on, the fan grill is not blocked (there is air flow around the grill), and the
fans are working. If airflow is blocked or the fans are not working, the computer might overheat.
If these actions do not correct the problem, run the diagnostic programs (see “Lenovo Solution Center” on
page 58 for instructions). If you need technical assistance, see “Additional information resources” on page 34.
Hard disk drive problems
Select your symptom from the following list:
•
“Some or all hard disk drives missing from the Setup Utility program” on page 47
•
“"No Operating System Found" message or the system not starting from the correct hard disk drive”
on page 47
Some or all hard disk drives missing from the Setup Utility program
Symptom: Some or all hard disk drives missing from the Setup Utility program
Actions:
•
Ensure that all hard disk drive signal cables and power cables are connected correctly.
•
Ensure that your computer is configured correctly to support the hard disk drives.
–
If your computer is installed with five SATA hard disk drives, ensure that the SATA hard disk drive
enablement module (one to five hard disk drives) is installed.
–
If your computer is installed with SAS hard disk drives, ensure that the SAS hard disk drive enablement
module (one to five hard disk drives) or the LSI MegaRAID SAS adapter is installed.
If these actions do not correct the problem, run the diagnostic program Lenovo Solution Center. See
“Lenovo Solution Center” on page 58. If you need technical assistance, see “Additional information
resources” on page 34.
"No Operating System Found" message or the system not starting from the correct
hard disk drive
Symptom: "No Operating System Found" message or the system not starting from the correct hard disk drive
Actions:
•
Ensure that all hard disk drive signal cables and power cables are connected correctly.
•
Ensure that the hard disk drive your computer starts from is listed as the first startup device in the Setup
Utility program. Refer to “Selecting a startup device” on page 62.
Note:
In rare cases, the hard disk drive with the operating system might get corrupted or damaged. In such
cases, you might need to replace the hard disk drive.
If these actions do not correct the problem, run the diagnostic program Lenovo Solution Center. See
“Lenovo Solution Center” on page 58. If you need technical assistance, see “Additional information
resources” on page 34.
Keyboard, mouse, or pointing device problems
Select your symptom from the following list:
•
“All or some keys on the keyboard do not work” on page 48
Chapter 5
.
Troubleshooting and diagnostics
47