Toshiba PA3680U-1PRP User Guide - Page 31
Power issues, External display issues
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Power issues Troubleshooting 31 Power issues Problem Docked computer will not turn on (Your computer's AC power light does not turn on) Docked computer enters Resume mode and shuts down Docked computer shuts down and its AC power light is flashing Solution(s) Check the connections. Make sure the power cord is firmly connected to the port replicator and a live electrical power outlet. Check the condition of the power cord and plug prongs. If the cord is frayed or damaged or the plug prongs are bent, replace the cord. If the plug prongs are soiled, wipe them with a clean cloth. Disconnect and reconnect the AC adaptor and try again to turn on the computer. If the port replicator still does not power the computer, contact Toshiba support. For contact information, please see "If you need further assistance" on page 34. If the computer's internal temperature becomes too high, the computer will automatically enter Resume mode and shut down. Leave the computer off until its interior reaches room temperature. If the computer has reached room temperature and still does not start, or if it starts but shuts down quickly, contact Toshiba support. For contact information, please see "If you need further assistance" on page 34. Indicates a problem with the heat dispersal system of the computer. Please contact Toshiba support. For contact information, please see "If you need further assistance" on page 34. External display issues Refer also to your computer and monitor documentation. Problem External display does not turn on Cannot display information to a DVD-D and RGB Monitor at the same time Display error Solution(s) Press hotkeys Fn + F5 to change the display setting. Choose a setting that displays information to an external monitor. Refer to your computer user's manual for more information on display settings. Make sure that the monitor's power switch is on. Confirm that the monitor's power cable is plugged into a live electrical power outlet. Try adjusting the contrast and brightness controls on the monitor. Check that the cables connecting the monitors are firmly attached on both ends. Some computer models do not support output to DVI and RGB monitors simultaneously. Check the documentation for your computer model. Check that the cable connecting the monitor to the port replicator is firmly attached. If the problem persists, contact Toshiba support. For contact information, please see "If you need further assistance" on page 34.