What to do if my IBM Monitor shows 'CHECK SIGNAL CABLE' message?
If the IBM Monitor displays a 'CHECK SIGNAL CABLE' message, ensure the signal cable is firmly connected to the computer and that there are no bent pins in the signal cable connector.
Why is my IBM E74 screen blank but the power indicator is flashing green?
If your IBM Monitor screen is blank but the power indicator is flashing green, it could be in Power Management Standby/Suspend or Off state. Try pressing any key on the keyboard or moving the mouse to restore operation. Alternatively, there may be no video signal from the computer. In that case, check that the computer is powered on, the signal cable is firmly connected, and there are no bent pins in the signal cable connector.
How to fix 'SIGNAL OUT OF RANGE' message on IBM E74?
If your IBM Monitor displays a 'SIGNAL OUT OF RANGE' message, it means the display mode of the computer is outside the monitor's supported range. To fix this, reconfigure the computer to use a supported display mode.
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