4.3.5 External PS/2 Display Problems
+------------------------------------------------------------------------+
¦ PROBLEM ¦ ACTION ¦
+--------------+---------------------------------------------------------¦
¦ Blank ¦ Check to see if : ¦
¦ screen. ¦ ¦
¦ ¦ 1. The power cord for the PS/2 display is plugged into ¦
¦ ¦ a working electrical outlet and into the PS/2 ¦
¦ ¦ display. ¦
¦ ¦ ¦
¦ ¦ 2. The PS/2 display is turned on and the brightness ¦
¦ ¦ and contrast controls for the PS/2 display are ¦
¦ ¦ turned up. ¦
¦ ¦ ¦
¦ ¦ 3. The signal cable for the PS/2 display is plugged ¦
¦ ¦ into the external PS/2 display connector on the ¦
¦ ¦ system. Some of the signal cables may not be able ¦
¦ ¦ to plug into the external PS/2 display connector. ¦
¦ ¦ ¦
¦ ¦ 4. The Display device option of the Set Features Menu ¦
¦ ¦ is set to CRT. ¦
¦ ¦ ¦
¦ ¦ If the above items are correct and the screen of the ¦
¦ ¦ PS/2 display remains blank, run the display tests ¦
¦ ¦ described in the instructions supplied with the PS/2 ¦
¦ ¦ display. If those tests show the PS/2 display is OK, ¦
¦ ¦ have the system serviced. ¦
+--------------+---------------------------------------------------------¦
¦ Screen is ¦ Run the tests described in the instructions supplied ¦
¦ unreadable ¦ with the PS/2 display. If those tests show the PS/2 ¦
¦ or ¦ display is OK, have the system serviced. ¦
¦ distorted. ¦ ¦
+--------------+---------------------------------------------------------¦
¦ Wrong ¦ Have the system serviced. ¦
¦ characters ¦ ¦
¦ appear on ¦ ¦
¦ the screen. ¦ ¦
+------------------------------------------------------------------------+
PS/2 Model L40 SX Quick Reference
External PS/2 Display Problems
¦ Copyright IBM Corp. 1991
4.3.5 - 1
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