Hold menu button for several seconds to remove OSD locked
SOURCE: OSD LOCK
You are having a problem with the OSD lock on your ViewSonic Monitor. Is that correct?
If so, please follow these instructions to unlock or lock your monitor.
On some display devices, there is an OSD Lock that locks all current control settings and prevents access to the control menus until this mode is unlocked.
The method for unlocking the OSD is different for different monitors, but will be one of the 2 below. If the first method doesn't work, try the second.
Method 1: Press and hold both the [1] button on the front of the monitor and the down arrow button for 10 seconds.
Method 2: Press and hold both the [1] button on the front of the monitor and the up arrow button for 10 seconds.
Note: These same buttons, when pressed for another 10 seconds, will lock the OSD
Please let us know if you require any further help with this matter.
If I've managed to answer your question or solve a problem, please take a moment to kindly rate this post....thanks!
SOURCE: My buttons to change monitor settings are locked.
On the monitor there is a menu button. Press and hold down on the Menu Button for approx. 10 seconds until you see the menu. This unlocks it. If you care to lock it again, just do the same thing. For the record, I have a HPw2207 monitor. Hope this helps. Jim
SOURCE: osd main controls locked/unlocked pops up every 5 seconds
Estava também com o mesmo problema de voces, já estava irritado, então abri o monitor e desconectei a ligação com a placa de controle dos comandos dos botoes do menu. é fácil fazer. Só que não vai funcionar mais os botoes. pelo menos essas mesagens não vão mais incomodar.
SOURCE: Compaq FP5315 monitor with OSD Lock out
Here is the tip to solve your problem. Hope this might be helpful to you.
OSD Lock—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 five 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.
Good luck!
monitor, osd lockout 
Posted in Fixes ' Comments (32)
This has most likely annoyed many of you at some point. You turn on your monitor one day and see a jeering message telling you something about an "OSD Lockout". It doesn't allow you to change any of your monitors settings, including the setting intended to turn off this message. While I've only seen this error on HP monitors I know that others have encountered it on other brands as well. The fixes I provide should work on those monitors too. (Note: OSD stands for On Screen Display.)
Fix One:
Plug in the monitor and power it up. Hold down the Power button until you get a message saying "OSD Unlocked". If the problem persists after OSD is unlocked then unplug the monitor from the wall, wait 20 seconds and try again.
Fix Two:
Turn on the monitor and hold down the Menu button for 10-20 seconds. This should unlock the OSD.
Fix Three:
Turn off the monitor, press down the Menu button and then turn on the monitor. Wait 10-20 seconds. This should unlock the OSD.
Fix Four:
The Menu button may be stuck in a pressed in position. To get it "unstuck" you'll usually need to open up the monitor. This could be tricky unless you know what you're doing. Unfortunately there are too many models of monitor for me to provide detailed instructions. If you have warranty this is where you want to contact the manufacturer.
If you know of any other fixes feel free to contact me. Good luck!
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