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- 3 monitors connected, but 2 are active, the 3rd monitor is f...

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03-31-2024 12:10 PM
When I'm trying to use 3 monitors, 2 are active and the third monitor is forced inactive, I've already tried updating the graphics driver, reducing the resolution of the active display, using Win+P to set it to extend, and none of that worked.
When I try to configure the display extension directly from Start -> Settings -> System -> Display, I get the error “Failed to save display settings. Try a different combination of these settings."
I dual-boot with Linux that perfectly supports triple monitors with no problems, which leads me to believe it's a software lock in Windows, I want to know how to get around this software lock.
My processor: https://ark.intel.com/content/www/us/en/ark/products/64899/intel-core-i7-3610qm-processor-6m-cache-u...
And from Intel info: https://www.intel.com/content/www/us/en/support/articles/000025673/graphics.html
- System Model: HP ENVY 17 Notebook PC
- CPU: Intel(R) Core(TM) i7-3610QM
- iGPU: Intel(R) HD Graphics 4000
- Driver Model: WDDM 1.3
- dGPU: AMD Radeon HD 7800M Series
- Driver Model: WDDM 2.0
- 1st monitor: HP M27fe FHD 1920x1080 - DisplayPort => HDMI
- 2nd monitor: HP 24f 1920x1080 - HDMI => HDMI
- 3nd monitor: built-in laptop monitor 1920x1080
- Drivers:
a. for Intel, I used all the latest and previous drivers that I found in the Internet;
b. for AMD I used both the latest and the oldest drivers for Windows, as well as intermediate versions of the drivers.
On the laptop itself, I have 2x DysplayPorts and 1x HDMI port.
As for the BIOS, I don't have any video card settings either. It looks like here:https://answers.microsoft.com/en-us/windows/forum/all/using-3-monitors-simultaneously-problems-in-th...
04-01-2024 03:28 PM
Sounds to me like a driver issue, as I am using three monitors in Win11 -- so there is no "software lock" to prevent that.
Maybe something in this HP info will help ...
Here are a document and video from HP Support about setting up displays using multiple monitors:
https://www.youtube.com/watch?v=Ciln29Dfxp8
https://www.hp.com/my-en/shop/tech-takes/post/mastering-triple-monitor-setup
I am a volunteer and I do not work for, nor represent, HP
04-01-2024 04:05 PM
Thanks for the reply, but it doesn't solve my problem
The situation is as follows: I have two Displayport => HDMI cables. And two outputs on the laptop Displayport.
Everything works as follows on Windows:
1. Or built-in monitor + monitor 1
2. Or built-in monitor + monitor 2
3. Or monitor 1 + monitor 2
All monitors are defined normally in the device manager
On Linux - all three monitors work simultaneously, regardless of the connected ports. Displayport => HDMI, HDMI => HDMI. I can add screenshots from additional graphics and monitor management utilities if needed
04-01-2024 05:22 PM
Since they work in Linux but not in Windows, given the same hardware, that indicates the issue is a graphics driver problem -- and if you have the current drivers from HP, there is really nothing else you can do.
I am a volunteer and I do not work for, nor represent, HP
04-02-2024 12:50 PM
If you have Switchable Graphics, with an integrated video chip and a separate AMD chip, then Windows determines which chip is used, and as far as I know, there is no way for you to specify it.
I am a volunteer and I do not work for, nor represent, HP
04-02-2024 01:52 PM - edited 04-02-2024 02:07 PM
I found a possible solution to my problem, but I can't find an alternative HP driver anywhere
https://community.intel.com/t5/Graphics/Can-not-set-up-3-monitors-with-Intel-HD-Graphics-4000/m-p/36...
And I can't install drivers from DELL, I get an error
Also, for some reason I don't have monitor settings in AMD settings,
AMD support directs me to HP support, HP support directs me here, in the community