How to prevent HP Pavilion 23xw from dimming with Windows 10 64bit?

Operating System is Windows 10, 64bit.
Monitor is HP Pavilion 23xw.

Monitor occasionally dims and does not hold a preset with the brightness at a higher level.

How can this be prevented?  How can one keep the Preset without having the monitor automatically reconfigure itself?
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Is this on AC or battery?  Most notebooks dim when on battery automatically.
100questionsAuthor Commented:
This is on AC.  And it's for a desktop.
Check the power settings of your OS. For example disable the option "Enable adaptive brightness".
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JohnBusiness Consultant (Owner)Commented:
I had that on one client machine with Windows 7. Download the newest video driver for your machine and install that. Reinstall the current driver if it is the newest.

If the computer vendor has power management software, upgrade or reinstall that.

Finally run System File Checker. Open cmd.exe with Run as Administrator and run SFC /SCANNOW twice. Close out, shut down, start up and test.
you can also test if changing the energy setting makes a difference
set it to never power off
100questionsAuthor Commented:
Will try some of these suggestions
100questionsAuthor Commented:
Enable adaptive brightness is already OFF
Turn display is already set to NEVER
JohnBusiness Consultant (Owner)Commented:
Did you try reinstalling the video driver?  
Try a different monitor to see if that works.
100questionsAuthor Commented:
I had a previous monitor and I had the same problem.
JohnBusiness Consultant (Owner)Commented:
I have asked several times - Have you updated / reinstalled the video driver?

If none of this works, you may need to do a Windows 7 Repair Install with the Windows 7 DVD (select the Repair option).
100questionsAuthor Commented:
I have updated the video driver, not reinstalled the video driver.
Also, kindly look at the note I have in my initial request.  This is for a machine running Windows 10, 64bit.
JohnBusiness Consultant (Owner)Commented:
Sorry about the Windows 7 Note.

Try reinstalling the video driver and restart.  Also try DISM (repair tool)

Open cmd.exe with Run as Administrator.
DISM.exe /Online /Cleanup-Image /Scanhealth (takes 15 - 20 minutes).
DISM.exe /Online /Cleanup-Image /Restorehealth (takes 15 - 20 minutes).
Restart the computer and test.
Not only windows itself has adaptive brightness settings, also the graphics driver software (by intel/nvidia/AMD/...) might have these settings. Please look through their settings, too.
100questionsAuthor Commented:
Still dimming, all started happening after usinf windows 10
JohnBusiness Consultant (Owner)Commented:
all started happening after using windows 10   <-- And on different monitors (so you said) as well.  So that means the Video Driver is likely not Windows 10 compliant.
We cannot go through the settings for you and need your feedback if you did it thoroughly. I would expect this to be a setting inside the graphics control application. AMD has this in catalyst control center and I am pretty sure intel and nvidia will have these options, too.
I see no reason to think it's a non-compliant driver.
JohnBusiness Consultant (Owner)Commented:
I have Intel Graphics and I do not see any setting to dim my monitor, and it does not dim either on its own.
ScreenshotThat's fine, John - but what about his system?
Looking at mine (intel graphics, too), there is no adaptive brightness, but some adaptive contrast setting at least , see the screenshot. So it might be the model/driver combination that has or hasn't got it (do we know the brand of the video card yet,  100 questions? I don't see it).
100questionsAuthor Commented:
There is a contrast enhancement on the Graphics Control panel, but not an Adaptive Contrast enhancement or Adaptive Brightness enhancement.
Then we cannot help you. If it were broken, it would not be like this, for sure. There's some dimming component involved. Ask the manufacturers of
1 the monitor
2 the video card

where to find it. You could also compare to a different installation, of course.
JohnBusiness Consultant (Owner)Commented:
At this point, your overall system is not Windows 10 compliant (as we have suggested) and you need to contact the manufacturer (as suggested).

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Or tell us more details of the PC (not the monitor). PC manufacturer/Model or at least what video card is being used.
100questionsAuthor Commented:
I may reach out to the manufacturer.
JohnBusiness Consultant (Owner)Commented:
Thanks for the update and I was happy to help.
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