Lenovo 10KG Hardware Maintenance Manual

Also see for 10G8: User guide

Playback is slow or choppySolutions:• 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 messageSolutions:• 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 theDVD disc is in the drive labeled “DVD”.Intermittent problemsSome 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 thefans 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 ineach SCSI chain is terminated correctly. For more information, see your SCSI documentation.Storage drive problemsSelect your symptom from the following list:• “Some or all storage drives missing from the Setup Utility program” on page 76• “"No Operating System Found" message or the system not starting up from the correct storage drive”on page 76Some or all storage drives missing from the Setup Utility programSymptom: Some or all storage drives missing from the Setup Utility programSolutions:• Ensure that all storage drive signal cables and power cables are connected correctly.• Ensure that the computer is configured correctly to support the storage drives.– If the computer is installed with five SATA storage drives, ensure that the SATA storage driveenablement module (one to five storage drives) is installed.– If the computer is installed with SAS storage drives, ensure that the SAS storage drive enablementmodule (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 thecorrect storage driveSymptom: "No Operating System Found" message or the system not starting up from the correct storagedriveSolutions:• Ensure that all storage drive signal cables and power cables are connected correctly.76 ThinkCentre M600 Hardware Maintenance Manual