Question about SAMTRON 55V 15" CRT Monitor

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How to clear control lock

I have problem with control lock whenever i open the system it blinks with red colur table on center of the screen with control locked after 15 to 20 mts it gone automatically how to solve?

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1 Answer

Replace the 5volt regulator ic, LM7805, location IC602..



Michael Sathe
HCL Infosestems Ltd.

Posted on Nov 10, 2008

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1 Answer

Power light keeps blinking but the screen never comes on


it is just the indication that the PC is in standby mode! if this is the case in restarting the system u can see that the red LED of the CPU which should blink when the system is on will not blink! that means that the processor is not coming on. u can just open the CPU and unplug the smps and clean the pins of it mainly the ATX pin and reconnect it, it should work then. if still it is that same then try some other working smps! reply and revert back if it still persist, don't forget to vote please!

Jul 06, 2010 | Samsung SyncMaster 204B 20.1" LCD Monitor

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LCD Red colour channel is missing. AD or LCD Controller?


this is the problem of the signal cable . replace it and see whether problem is solved or not . if persists , then open the monitor and look whether dry solder or not . if found out , clear it .

Apr 16, 2010 | Dell UltraSharp 2407WFP 24" LCD Monitor

1 Answer

Unwantred announcments in the center of the screen


This problem comes from the control switches on the front panel. I had the same problem and fixed it by opening the monitor (unscrew 3 screws on the back side, remove plastic shape of the stand, unscrew 5 screws of the stand and open the back; unscrew the 2 screws of the button switch panel). Now inject contact spray on every switch button. If the problem remains you may have to replace the button swithces. Thats all!

Oct 12, 2009 | Philips 190V6FB 19" LCD Monitor

1 Answer

Blinking blue box with lock symbol on screen


hold down the menu button for 20 seconds until the lock symbol turns into an unlock symbol.

Oct 03, 2009 | Dell E172FP 17" LCD Flat Panel Monitor

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Osd lock


Dear srinivasvodn,

Press the menu button of your monitor for a wile OSD lock will unlock.

Aug 05, 2008 | ViewSonic 17" CRT Monitor

4 Answers

Problem in TFT


The OSD can be enabled or disabled by pressing and holding the Menu button on the front panel for 10 seconds. If the OSD is locked, the warning message OSD Lock displays for ten seconds.
  • If the OSD is locked, press and hold the Menu button for 10 seconds to unlock the OSD.
  • If the OSD is unlocked, press and hold the Menu button for 10 seconds to lock the OSD.

Jun 09, 2008 | LG L1915S 19" LCD Monitor

1 Answer

My monitor is monkeying around


The problem is with your Memory IC. Replace it.

Dec 04, 2007 | Gateway FPD2275W LCD Monitor

3 Answers

Monitor displays "Controls Locked"


This is a "feature" they include to prevent accidental changes to the screen setup. You should be able to unlock the OSD by pushing the Menu button and the right arrow button together for about three seconds. The message "controls unlocked" should appear. Let us know if you have any other questions and please don't forget to rate the posting.

Jan 31, 2007 | LG Flatron L1715S 17" LCD Monitor

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