Lenovo PC 300PL User guide for IBM PC300PL (type 6584, 6594) systems - Page 134
General problems, Intermittent problems
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Monitor problems Wrong characters appear on the screen. Action Have the computer serviced. General problems General problems The computer does not start when you press the power switch. Problems such as a broken cover lock or indicator lights not working. Action Verify that: 1. All cables are securely connected to the proper connectors on the computer. For the location of the connectors, see "Connecting computer cables" on page 10. 2. The computer cover is properly installed. If you cannot correct the problem, have the computer serviced. Have the computer serviced. Intermittent problems Intermittent problems A problem occurs only occasionally and is difficult to detect. Action Verify that: 1. All cables and cords are securely connected to the rear of the computer and attached devices. 2. When the computer is turned 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. 3. If SCSI devices are installed, the last external device in each SCSI chain is terminated correctly. (See your SCSI documentation.) If you cannot correct the problem, have the computer serviced. 120 PC 300PL User Guide
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