# KVM switch does not reconnect

**URL:** <https://forums.rockylinux.org/t/kvm-switch-does-not-reconnect/12994>\
**Category:** Rocky Linux Help & Support\
**Created:** [February 26, 2024, 4:39am UTC](https://forums.rockylinux.org/t/kvm-switch-does-not-reconnect/12994 "2024-02-26T04:39:18Z")\
**Posts on this page:** 4\
**Page:** 1

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**Author:** ![crazyoldguy](https://avatars.discourse-cdn.com/v4/letter/c/ce73a5/32.png) [@crazyoldguy](https://forums.rockylinux.org/u/crazyoldguy)\
**Post date:** [February 26, 2024, 4:39am UTC](https://forums.rockylinux.org/t/kvm-switch-does-not-reconnect/12994/1 "2024-02-26T04:39:18Z")

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I have a kvm to switch between 2 Rocky machines, Mint, windows… The Rocky 9.3 machine is the problem. When I switch from it to any of the others, I cannot reconnect and continue my session. I suspect that I have some setting wrong. The Rocky 8.8 system works flawlessly as do the others. Anyone got an idea?

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**Author:** ![LinuxGuy1997](https://avatars.discourse-cdn.com/v4/letter/l/d26b3c/32.png) [@LinuxGuy1997](https://forums.rockylinux.org/u/LinuxGuy1997)\
**Post date:** [February 27, 2024, 2:21pm UTC](https://forums.rockylinux.org/t/kvm-switch-does-not-reconnect/12994/2 "2024-02-27T14:21:21Z")

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“Consumer” KVM switches can be pretty hit-or-miss, unfortunately. Some questions/ideas:

- What brand and model KVM switch is it?
  - Does it use VGA+USB connections, or HDMI+USB etc. ?
  - Have you checked the manufacturer for a possible firmware update?

- Are you running a GUI/desktop on the Rocky 9.3 machine?
- When you switch back to the R9.3 machine, is there any kind of display at all?
  - Is the R9.3 machine pingable at this point?
  - Have you tried remotely connecting into the R9.3 machine via ssh at this point?

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<div class="post-metadata">

**Author:** ![crazyoldguy](https://avatars.discourse-cdn.com/v4/letter/c/ce73a5/32.png) [@crazyoldguy](https://forums.rockylinux.org/u/crazyoldguy)\
**Post date:** [February 29, 2024, 6:51pm UTC](https://forums.rockylinux.org/t/kvm-switch-does-not-reconnect/12994/3 "2024-02-29T18:51:07Z")

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# KVM Switch 4 Ports, HDMI USB Selector for 4 Computers Share Keyboard Mouse Printer and One HD 4K Monitor, Including 4 KVM Cables

newegg

R8.8 is vga out (converter to hdmi)

R9.3 is hdmi

I can ssh from R8 to R9 when blank

Generally running gui on R9

R9 requires reboot.. Monitor says not connected.

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**Author:** ![system](https://us1.discourse-cdn.com/flex020/uploads/rockylinux/original/1X/91b7219eec10e30013422e4df76c1d898711a5d5.svg) [@system](https://forums.rockylinux.org/u/system)\
**Post date:** [April 29, 2024, 6:51pm UTC](https://forums.rockylinux.org/t/kvm-switch-does-not-reconnect/12994/4 "2024-04-29T18:51:52Z")

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