Lenovo ThinkStation P700 (English) User Guide - ThinkStation P500 (type 30A6, - Page 71
Intermittent problems, Hard disk drive problems, Invalid disc or no disc found message
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Invalid disc or no disc found message Solutions: • Ensure that a DVD disc is in the drive with the shiny side of the disc facing down. • Ensure that video resolution is set to less than 1152 x 864 pixels. • On computers that have a CD-ROM or CD-RW drive in addition to a DVD-ROM drive, ensure that the DVD disc is in the drive labeled "DVD". Intermittent problems Some problems occur only occasionally and are difficult to repeat. Solutions: • Ensure that all cables and cords are securely connected to the computer and attached devices. • Ensure 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 Small Computer System Interface (SCSI) devices are installed, ensure that the last external device in each SCSI chain is terminated correctly. For more information, see your SCSI documentation. 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 59 • ""No Operating System Found" message or the system not starting from the correct hard disk drive" on page 59 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 66. If you need technical assistance, see Chapter 10 "Getting information, help, and service" on page 133. "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. Refer to "Installing or replacing a 3.5-inch storage drive in the storage drive bay" on page 88. Chapter 7. Troubleshooting and diagnostics 59