It's impossible to adjust brightness, contrast only, using DDC/CI, HP 22x (6ML40AA)

[Dmitriy20]

Hello, tech support. On my monitor HP 22x (6ML40AA) via the HP My Display App (and via other similar ones too, like clickmonitordc) I can't adjust the brightness, I can only adjust the contrast. DDC/CI Support is enabled in the monitor settings. Driver for monitor is installed. Please help me how to solve this problem, it looks like the monitor blocked the brightness change via the DDC/CI Protocol. I use HDMI , this is the only digital output to connect the monitor.

[The_Fossette]

@Dmitriy20

I reviewed your post and I understand that you are unable to adjust the brightness on the monitor.

Don’t worry, I assure you I will try my best to get this sorted.

Did you try adjusting the brightness from the physical buttons on the monitor?

Meanwhile, I recommend you update the graphics driver on your computer and check if it helps.

If you continue facing the issue, then install all the Windows updates (Including optional) and test.

Here is how it is done.

1. Select the Start (Windows) button from the bottom-left corner.
2. Go to settings (gear icon).
3. Select the Update and Security icon.
4. Choose Windows Update tab in the sidebar (Circular arrows)
5. Select Check for updates. If there is an available update, it will begin downloading automatically.

Let me know how it goes and you have a great day!

P.S: Welcome to the HP Support Community 😊

If you wish to show appreciation for my efforts, mark my post as Accept as Solution. Your feedback counts!

Cheers!

Stay Home – Stay Safe

[Dmitriy20]

"Did you try adjusting the brightness from the physical buttons on the monitor?"
Yes, I can. But this is not as comfortable as using the HP My Display App or other similar apps. With them I can only change the contrast, and the brightness only directly through the settings of the monitor itself.

"I recommend you update the graphics driver on your computer and check if it helps."
I updated the drivers and it didn't help.

"Let me know how it goes"
Deleting updates didn't help. Unfortunately, the problem remains.

[Echo_Lake]

@Dmitriy20

Thank you for posting back. 

As we have limited support boundaries in the support community as of now.

I would request you to reach out to our Support and our Support Engineers should be able to check the available service options in order to diagnose the computer physically. HP Support can be reached by clicking on the following link:  www.hp.com/contacthp/

Please feel free to contact us here anytime you need any further assistance. Please click “Accept as Solution” if you feel my post solved your issue, it will help others find the solution.