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Playback is slow or choppy
Solutions:
• Disable any background programs, such as AntiVirus or Desktop Themes.
• Ensure that video resolution is set to less than 1152 x 864 pixels.
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 connected 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.
Storage drive problems
Select your symptom from the following list:
• "Some or all storage drives missing from the Setup Utility program" on page 70
• ""No Operating System Found" message or the system not starting up from the correct storage drive"
on page 70
Some or all storage drives missing from the Setup Utility program
Symptom: Some or all storage drives missing from the Setup Utility program
Solutions:
• Ensure that all storage drive signal cables and power cables are connected correctly.
• Ensure that your computer is configured correctly to support the storage drives.
– If your computer is installed with five SATA storage drives, ensure that the SATA storage drive
enablement module (one to five storage drives) is installed.
– If your computer is installed with SAS storage drives, ensure that the SAS storage drive enablement
module (one to five storage drives) or the LSI MegaRAID SAS adapter is installed.
"No Operating System Found" message or the system not starting up from the
correct storage drive
Symptom: "No Operating System Found" message or the system not starting up from the correct storage
drive
Solutions:
• Ensure that all storage drive signal cables and power cables are connected correctly.
70
Lenovo S200z Hardware Maintenance Manual
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