Question Gigabyte M28U KVM Issue

Oct 3, 2022
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Hello. I recently purchased a Gigabyte M28U and it's being used mainly with 2 Macbooks (one personal, one from work). I have it set up as seen in the picture, and long story short, I don't think the KVM switch works as advertised. The way I see it there are two glaring problems:

1. KVM Issue: I believe the KVM button in the back of this monitor is supposed to direct whatever peripherals are plugged into the USB-A ports in the monitor, to whatever display is active. It works for the most part except when I need to switch between the two Macbooks. If I'm on my MBP14, and I put it to sleep and switch over to the MBP16, I can use my mouse to wake up the laptop but I have to plug the keyboard cable out and in again for it to be recognized. This is annoying to say the least.

2. Display Issue: When I'm active on one laptop with the monitor, if I open the other laptop it still thinks the external display is connected. E.x. I'm working on my MBP14 in clamshell mode and that is what the display is showing. If I open up my MBP16, it thinks that the display is active and I'm able to drag windows over to the monitor (even though the monitor is displaying the MBP14's stuff). This is not as big of a problem since I don't often have both laptops in use but is a minor annoyance.

I've thought about using a KVM switch or some combination of another USB-C hub, but the entire reason I brought this monitor was because I thought the KVM switch would be useful in reducing the amount of cables and I'm a little disappointed to see that that's not the case. Unless I'm missing something, is anyone able to suggest a solution? I thought about using a separate USB KVM as seen in the second pic but it would be a mess of cables. I've also found this but not really fond of having to shell out $350 for a docking station. Would appreciate any suggestions!

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MarkJohnson

Distinguished
Mar 5, 2008
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18,545
Have you solved the issue with the M28U KVM switch.

I have a sim ilar issue, except I am using two windows desktop system (win10 and win11).

I can get the USB-B to USB-A on one rig, but the USB-C won't register on the second rig. I even put a USB-C to USB-A adapter and selected the DP or the HDMI without success.

When I switch to the USB-C side, it registers the video, but no USB stuff works at all unless I add a keyboard and mouse to the Type-C desktop. which defeats mky purpose of two desktops to one monitor.

If I plug the USB-C to a laptop, everything works fine. It just seems to work for one of each. a desktop and laptop setup on;y.

I see AMD has new GPUs and they have a USB-C port, so hopefully it works like the laptop method and just works.

I will have to wait and save up for a 7900 XT, or hopefully the mid range 7000 series have the type-C outputs on the GPU.

I hate to spend $900+ for a new GPU.

I seen some used RTX-2070 that have type-c ports, but I don't want to buy used and have problems.

I don't have two laptops to test, but maybe going USB-B to laptop and DP or HDMI. I have done this in the past just to get the laptop to work, as I didn't have any type-C cords at the time.

Let me know of any success you have had.