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andsj75
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Can't get 4k 60Hz working on HP ProDesk 600 G1 mini

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HP ProDesk 600 G1 mini
Microsoft Windows 10 (64-bit)

Hi!

I recently bought a 32" 4k monitor Samsung UR59C for my HP ProDesk 600 G1 mini. It's a nice monitor but I can't get it working in full 3840 x 2160 resolution at 60Hz, I'm stuck at 30Hz (Actually windows10 selects 29Hz as default, but I can manually change to 30Hz)


CPU is Intel Core i5-4570T with Intel HD Graphics 4600. As far as I understand this implies that I have 4th generation of Intel HD 4600 which supports max resolution 3840x2160 60Hz on Display Port according to specs. I have tried both HDMI and Display port without success.


I have latest graphics and monitor drivers, what am I doing wrong?


Processor specs:
intel-core-i5-4570t-processor specs 

 

Driver Version:
Driver Provider Intel Corporation
Driver Version20.19.15.5063
Driver Date10/29/2018

 

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Paul_Tikkanen
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Hi:

 

Unless I am missing something, when I look at the Intel HD graphics info on the 600 g1 quickspecs link (pp 17 - 18), I see a maximum supported resolution of 2560x1600.

 

http://www.hp.com/hpinfo/newsroom/press_kits/2013/HPDiscoverBarcelona/ProDesk_600_G1_Desktop_Mini_Qu...

 

 

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andsj75
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Hi Paul!

Thank you for your reply..maybe you are right about the max resolution? However, I was reading page 20 of the quick specs below where you get the impression that 3840x2160* 60 Hz through DisplayPort connector for the integrated Intel HD Graphics solution.

Apparently I can run 3840x2160 which is higher than 2560x1600 but not in 60Hz.
https://resource.boschsecurity.com/documents/QuickSpecs_ProDesk_6_Special_enUS_20602406923.pdf 

 

Pls send me instructions on how to manually update the Intel graphics driver, it is definitely worth trying.

 

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Paul_Tikkanen
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You're very welcome.

 

I was wrong about the graphics driver. 

 

Your PC already has the latest one installed for W10.

 

The one I posted yesterday was for PC's with W7 and W8.1.

 

 

 

 

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andsj75
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Could the problem be caused by a bad DP cable? I found a very similar issue on Reddit where the cable was the root cause..

 

https://www.reddit.com/r/Hewlett_Packard/comments/ap122e/hp_elitedesk_800_g1_desktop_mini_4k/

image.png

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andsj75
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I tried with a dp8k‑certified displayport cable today to exclude the risk of a potential cable issue, still same issue though.
Now I've ran out of ideas..I start to suspect that the hardware has some limitation even though the specs say something else.

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