Question about HP f2105 21" LCD Monitor
Monitor keeps flashing osd lock out
I HAD THE SAME PROBLEM BUT ALL THAT WAS WRONG WITH IT WAS THAT MY MENU BUTTON WAS STUCK, TRY MESSING WITH IT BY FLICKING IT OR JUST MOVING IT AND IT WILL PROBABLY GO AWAY
Posted on Nov 28, 2009
On my monitor it was a stuck 'menu' button. I 'flicked' it with my fingernail and the problem went away.
Posted on Apr 25, 2009
I HAVE AN OSD LOCKOUT ON MY SCREEN WHICH BRINGS UP THE MAIN MENUE. THE MOUSE DOESNT WORK ON IT TO SWITCH IT OFF!!
Posted on Mar 17, 2009
I am having the same problem, i opened up the monitor ( very easy) and checked the swithc board to see that all buttons arfe working. Ang movrd all of my ( i have about 15 things attached to the computer) gadjets far as possible ( maybe it wasn't shilded properly). As far as i know i am using it for over an hour now and it hasn't falsed the osd locked out yet. I will post again if this goes away for good
Posted on Jul 29, 2008
SOURCE: OSD Main Controls Locked
Hold the "OK" button for about 20 seconds
It will initialy come up with the message "OSD Locked" and then after the 20 seconds a ne message will appear "OSD Unlocked"
Posted on Jan 19, 2009
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  button on the front of the monitor and the down arrow button for 10 seconds.
Method 2: Press and hold both the  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!
Posted on Mar 31, 2009
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.
Posted on Jul 18, 2009
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.
Posted on Aug 07, 2009
OSD (On Screen Display) lockout. To resolve the issue you can hold the power button of the monitor until you get another message something similar to "OSD unlocked"
try holding menu button also if it doesnt workout
Posted on Nov 30, 2009
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Posted on Jan 02, 2017
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