The av access KD E20 effecting the boot time of laptops

Support
,
1

First of all, your product is great and working as expected.
however there is a couple of issues I faced
1- when connecting the kvm to my laptops it is effecting the boot time by several seconds (5 to 10 seconds more) and when the laptop boot into the bootloaded e.g (GRUB, Limine) it hangs if I use the connected keyboard to select which OS to use

  • laptops
    dell g5 15 with nividia 1060 GTX (KDE neon , windows)
    asus scar 16 with nividia 5090 RTX (cachyOS, windows
  • Monitors:
    MSI MPG 274URF
    ASUS XG27UCS

2- another Issue I faced is sometimes EDID is not picked up correctly or missing the 2k resolution when using kde neon, and I am stuck with either 4k or 1080, while that is not hte case with cachyOS, however when I was using ugreen dock station with 2 output I could select the @K resolution without issues.

3- another issue is when switching to the Asus laptop the MSI doesn’t work, and the ASUS one get stuck on lower resolution of 640 x 480 , and I have to disconnect the monitors manually and reattach them again to be picked up correctly when switching

2

Hi Farouk,

Thanks for reaching us and so sorry for the trouble caused.

  1. For the first issue: Boot Time Delay & Bootloader Input Hang
    1.1 Why it happens:
    KVM switches take a few seconds to establish a stable USB HID (keyboard/mouse) connection during system POST. Unlike direct connections, the KVM must enumerate the USB device and sometimes wait until after the OS starts to fully stabilize.
    Bootloaders like GRUB or Limine run at a lower USB stack level — so if the KVM hasn’t “handed over” the keyboard properly yet, inputs can freeze or hang.
    1.2 Possible mitigations:
    1.2.1 Enable “Legacy USB support” in BIOS (sometimes called “USB compatibility mode”).
    1.2.2 Plug the keyboard into a dedicated USB 2.0 port on the KVM (if available), instead of USB 3.0.
    1.2.3 If your BIOS has “Fast Boot” enabled, try disabling it — some fast boot modes skip proper HID initialization.
  2. About the resolution issue:
    2.1 Our device come with DP alt mode and DP MST mode, so when the laptop output multiple video streams thru the single USB-C port, the monitors’ real output resolution also depends on its graphics card performance.
    2.2 Try update graphics drivers (NVIDIA on Linux can sometimes ignore partial EDID sets)
    2.3 On NVIDIA Control Panel (Windows) or Xorg config (Linux), force a custom resolution to bypass fallback if possible.