Pavilion Touchsmart 23 screen dim after sleep since Windows 10

I have tried this, and it has not changed the problem. FYI, adaptive brightness was off by default on my computer after I upgraded to Window 10. Please escalate our issue, it is driving me crazy!

I also have a HP Touchsmart 23 with Radeon HD 8570D display adaptor exhibiting the same issue. Microsoft and HP report no available updates and the adaptive brightness is OFF. There are no brightness controls on any control panel page including the power managment sections. The Windows 10 notifications pull-up for settings does not have a brightness slider. Rebooting is the only method I have found to restore display brightness to a usable level. Previously on this thread it was stated ....According to the available list of supported drivers for your desktop computer, there is currently no Windows 10 graphics or chipset software published at the moment. The orginal post is from August 4, so now more than one week later a solution has not been forthcoming. Please escalate this issue as HP was reminding me to join in the Windows 10 upgrade and now that I did, I have an ongoing problem with the hp pavilion 23. Seems HP missed the boat and was recommending the upgrade knowing the chipset in the computer was incompatable. Shame.

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Screen dims after a minute or so

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Some people have experienced problems with monitors attached via HDMI. Most of them are having issues of the windows resizing to an un-responsive window.
For some, the fix was to do a SMC reset. Since you have a Mac Mini, it's pretty easy. Power it down, unplug it for 15 seconds and plug it back in. Wait 5 seconds and turn it on and it should be reset.
http://support.apple.com/kb/HT3964
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https://discussions.apple.com/thread/5499569
Page two was the "fix".
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Try to replace inverter board.
http://www.ifixit.com/cart/customer/product.php?productid=746&cat=&page=1
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I loved the tech response (translated) "we'll get to it".

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Hi,
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sidirops

Found another forum with the same problem: http://forums.macrumors.com/showthread.php?t=1560774, including another youtube video: http://www.youtube.com/watch?v=vaGOKuwqsaw. The severity of the problem in this link looks worse than my problem. Mine is less severe than what's in this video, but more severe that what's in the first youtube link I provided.
The posts in that forum claim: 1) the problem began after upgrading to a newer OS, 2) it occurs after waking from sleep, and 3) that closing the lid for 10 seconds is a work-around fix.
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Screen darkens after booting in Windows mode

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I think this is a new phenomenon. Since it's relatively subtle, it may have been going on for a while.
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hmmmm. Interesting. Does seem that the monitor is common. Your description just says macPro. If the 8800 is the OEM card, then yours is a quad 3.0, or current gen 8 core?
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===
On replacing the monitor....
Is the 8800 GT HDCP compliant?
I don't think Apples new FP displays are. I say that b/c if if you do replace the monitor, it may be worth considering a small HD TV, many of which are HDCP compliant, and less expensive than the Apple screen.
That would set you up for an internal blueray player
I've seen a Sony on sale for about 150.
I have an off brand...Insignia, I think, 19" HDTV as the monitor on my Windows box. Surprisingly nice screen, and has an ATSC tuner, too. Think retail on it like 300$ at BBuy (I got it as a giveaway at a local car dealer).
HDMI, composite, and VGA inputs. composite and minijack for audio.

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Hi!
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As I understand, this problem appear, when I wake up MacMini before turning monitor on. When I turned on monitor and after that woke up MacMini, windows don't change his sizes.
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This issue is driving me insane. I lock my computer a couple of times a day as I go to meeting and what not. Everytime either Outlook or VMWare or Chrome will be screwed up when I awake it from sleep. I have to kill the app and start it back up again or I can't get it out of its weird "docked" mode. Basically the application window will be nearly off the screen. I can move it on the screen but the caption will be off screen still and I will not be able to size the window at all. It really messes VMWare's mind up when this happens.
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Screen black after sleep startup and won't turn off w/ power button?

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Try a system reset. It cures many ills and it's quick, easy and harmless...
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If the Reset doesn't work, try a Restore. Note that it's nowhere near as quick as a Reset. From iTunes, select the iPad/iPod and then select the Summary tab. Follow directions for Restore and be sure to say "yes" to the backup. You will be warned that all data (apps, music, movies, etc.) will be erased but, as the Restore finishes, you will be asked if you wish the contents of the backup to be copied to the iPad/iPod.
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Pavilion Touchsmart 23 screen dim after sleep since Windows 10

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