Samsung SyncMaster 931BF LCD Monitor Logo
Posted on May 28, 2009
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Monitor powering up and down at random

Monitor keeps going off and on .. picture is there for split second then off then back on i can hear everything and a game program is working fine everything seems to be normal but monitor is going on and off

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  • Posted on May 28, 2009
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Check monitoc cableing. This might be the cause of cable having loose connection on the back of the monitor. (I mean data cable (VGA) not power cable)
Did you have a chance to check with another monitor? Will picture appear when cable on the back is moved?

Does this happen when you logon to bios screen? REstart PC and keep pressing F2. You will see bios screen - test unit there. If that is ok then everything is fine with the monitor.
Let me know if issue is not solved by checking cable and I will provide you futher troubleshooting steps.
Thanx

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http://www.fixya.com/support/r6150077-basic_lcd_monitors_troubleshooting

Failed SAMSUNG Monitors and bad caps pictures: http://s807.photobucket.com/home/budm/allalbums

http://en.wikipedia.org/wiki/Capacitor_plague
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SyncMaster 931BF LCD Monitor

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