OSD Lockout prevents changes being made to the monitor through the use of the front panel buttons. When the OSD is locked, pressing a button from front panel displays OSD Lock-out for about 10 seconds. You can quickly remove the OSD Lockout message by pressing a front panel button again. To unlock the OSD, press and hold the Menu button until the Main menu displays, about 10 seconds. To lock the OSD, press and hold the Menu button until an OSD-Lockout message displays, about 10 seconds.
SOURCE: HP 2009m monitor. OSD lockout keeps appearing on
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
SOURCE: How to unlock OSD lockout in HP L1940T Monitor
How to unlock HP 1940 LCD monitor?? i try with holding menu button and power also..but didnt show me unlock...i hold like 1min even more...and its keep to blink OSD lock...and Main Menu on my screen.Can u tell what i need to do Thank you
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