AOC monitor OSD locked

AOC Monitor OSD Locked (Try This Fix FIRST!)

Adjusting the image parameters on AOC monitors is an easy process thanks to their user friendly on screen display (OSD) control system. Having said that, one extremely common issue that a subset of users encounter is their AOC monitor buttons not working due to being locked. Fortunately there is a very simple solution.

AOC Monitor OSD Locked

If you encounter the AOC monitor OSD locked message, first power down your display and wait 10 seconds. Then, while holding down the Menu button, simultaneously turn your monitor back on by pressing and releasing the Power button. Your OSD controls should now be functioning properly.

For the vast majority of users, that’s all there is to it!

OSD is short for “On Screen Display”, which is simply your monitor’s on screen menu options. It is through the OSD that you can make adjustments to common display features such as brightness, color, contrast, audio, etc.

Under normal working conditions you can activate the OSD by simply pushing the Menu button located on your device. However, you may occasionally get locked out, rendering your monitor buttons all but useless.

Read on for further step-by-step instructions and supportive images to regain access now!

Turn Off Monitor

First and foremost, locate the Power button and turn the monitor off.

Depending on your specific model, the power button may be located on the front, bottom, or side panel of your monitor frame. It is typically on the right hand side.

In the event the Power button is also locked, simply unplug the device.

Be sure when you are plugging your monitor back in, your firmly insert the cable into the appropriate socket to avoid any future booting issues.

After about 10 seconds, plug your monitor back in and power it up.

Menu and Power Button Combination

Next, go ahead and locate the Menu and Power buttons.

Once again the location of the buttons depends on your model. In the vast majority of cases it will be centered on the front surface beneath the display (assumes you are facing the monitor).

Location of Menu and Power buttons on AOC monitor

Now, while pressing and holding the Menu button down, simultaneously turn the monitor back on by pressing and releasing the Power button.

As a final step, attempt to use the on screen controls. They should be functioning properly now!

Importantly, if you have an AOC monitor with a circular OSD control panel, you will need to press and hold the Left Arrow key, while simultaneously tuning the monitor back on by pressing and releasing the center Power button.

AOC monitor circular OSD controls

Inspect The Monitor Buttons

So, you’ve attempted to restart your monitor and press and hold the menu button without any luck?

While less common, it is possible that your Menu button, or other Function keys are damaged. On older monitors for example, the buttons can become permanently ‘pressed down’.

To test if this is the source of your issue, you will need to open up your monitor and gain internal access to the control buttons.

Since all AOC monitor models are slightly different, you can use the manual lookup to determine how to best open up your specific device.

Frequently Asked Questions

How Do I Enable OSD Lock?

So how did the control adjustments become locked in the first place?

As it turns out, some AOC monitors come with a built-in feature that gives you the ability prevent your display control buttons from working. This includes the Menu button and all Feature keys (Input, brightness, etc).

So while the OSD can be become locked accidentally (which is likely what brought you here in the first place), you can intentionally lock the controls if you desire. Many users choice to do this so that their favorite display settings are not accidently changed.

To lock your current control settings, simply perform the exact same process you performed above to unlock the OSD (press and hold Menu or Left Arrow button, while simultaneously turning the monitor back on).

Enable OSD Lock on AOC monitor


Encountering your AOC monitor buttons not working can be frustrating. Don’t worry! Simply follow these easy steps to unlock your monitor control adjustments immediately:

  1. First, turn off your display and wait 10 seconds.
  2. Next, while holding down the Menu button, simultaneously turn your monitor back on by pressing and releasing the Power button.
  3. Finally, test your OSD controls. They should be functioning properly now.

If you’ve followed these steps and you’re still having issues, you can call the AOC Customer Support team at 888-838-6388.

You can also use your AOC Monitor model number to check the status of your AOC warranty.

Were you able to regain access to the display control adjustments? If so, let me know how in the comments section below!

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