Deathadder V2 Pro connection issue on KVM switch USB 1.1 port | Razer Insider
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Deathadder V2 Pro connection issue on KVM switch USB 1.1 port

  • September 7, 2022
  • 2 replies
  • 260 views
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I'm facing issues getting my DA2Pro mouse to work when plugged into the USB 1.1 mouse port of the Ugreen HDMI KVM switch (https://www.amazon.sg/UGREEN-Switcher-Extended-Computer-Keyboard/dp/B07M8YZDVZ). Mouse works fine when connected directly to the PC. Question: Does the mouse need at least USB 2.0 to function? Why? (data transfer, power) Thanks for your help! Regards, Daniel
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2 Replies

FiszPL
Vanguard
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  • FiszPL
  • VANGUARD
  • 7218 replies
  • September 8, 2022
USB 1.1 is too old, too slow. USB 2.0 should be fine, but I always recommend at least USB 3.0. Also be sure, that your KVM switch have external power supply (for USB devices), because without it - some USB devices are not working properly.
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  • dyjong
  • Author
  • 1 reply
  • September 8, 2022
Thanks FiszPL, no idea why manufacturers still use USB 1.1 despite USB 2.0 being the base a long time ago. My KVM switch has no external power supply and relies on the input connector (eg from PC1/2) to power the hub. My mouse works on wired but not on dongle, keep getting the USB device not recognized error. Think I should return this switch and move on to something better despite Ugreen being a respectable brand.
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