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Community Manager
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Celeron J4105 - UHD Graphics 600 not runnig @ 4k/60Hz

Hello,

recently I bought an AsRock J4105-ITX motherboard in order to build a small desktop PC. I installed 8 GB 2400MHz DDR4 RAM and an A-Data SU650 240GB SSD in it. I am using Windows 10 64 bit.

I have the problem, that the screen refresh rate is running only at 30Hz while using UHD resolution. I tried three different HDMI cables, two of which are labelled as High speed HDMI cable (I bought and tried an PremiumChord HDMI 2.0 cable yestereday, to no avail).

My screen is LG 27UD68. Earlier this year I built a system based on a J3455 CPU and I was able to run 4k/60Hz. It required some tuning, but eventually it worked. However, it just won't work with my new setup.

I downloaded the latest Intel driver for the UHD 600 graphics (Gemini Lake), uninstalled the previous one and tried a clean install of graphics driver. It did not help.

Whenever I try to define custom resolution (3840*2160@60Hz) the screen just go blank and the old parameters are restored. Please help, as I have no further idea what to do.

Thank you.

PeZel

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4 Replies
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Community Manager
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Hello PeZel,

 

 

Thank you for posting on the Intel ® communities.

 

 

I can see that you are having problems setting up the resolution to 3840x2160 @ 60Hz.

 

 

I would like to begin by requesting some information, in fact, to better assist you with your request, I will need to check some information about your computer. Please follow these steps:

 

 

1. In the keyboard, press WinLogo key + R.

 

2. In the Run box please type dxdiag and hit Enter.

 

3. Click on Save All Information (save it in your desktop).

 

4. Attach the report to this thread.

 

 

Also, I would like to request a graphics report, this report can be generated by following the steps in the link below:

 

 

https://www.intel.com/content/www/us/en/support/articles/000005848/graphics-drivers.html https://www.intel.com/content/www/us/en/support/articles/000005848/graphics-drivers.html

 

 

I hope to hear from you.

 

 

 

Regards,

 

David V

 

 

Intel Customer Support Technician

 

Under Contract to Intel Corporation
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Community Manager
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Hello,

attached please find requested reports.

Thank you.

Regards,

Peter

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Highlighted
Community Manager
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Hello PeZel,

 

 

Thank you for your response.

 

 

I have been researching about this and I can see that the problem does not appear to occur due to hardware or drivers. In this case, what I believe is the problem is the monitor. I was reviewing some information of the monitor and I found the user manual which clearly specifies that there is a feature that must be turned on to get the 3840x2160 @60Hz. I have attached the screenshot of what I found, also, below is a link to access the user manual:

 

 

https://www.lg.com/us/support-product/lg-719192199743# manuals https://www.lg.com/us/support-product/lg-719192199743# manuals

 

 

Something that can also be tried for testing purposes is to connect the system to a different display and see the options available there. I was also checking the HDMI cable and it seems like it supports 4k @60Hz as well.

 

 

I hope this helps.

 

 

 

Regards,

 

David V

 

 

Intel Customer Support Technician

 

Under Contract to Intel Corporation
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Community Manager
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Thank you, I enabled the HDMI Ultra HD Deep Color option and now it is working.

Thank you so much!

Regards,

Peter

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