Unknown USB Device (Device Descriptor Request Failed) | Razer Insider
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Unknown USB Device (Device Descriptor Request Failed)

  • September 27, 2020
  • 5 replies
  • 627 views
W
I get this error in Device Manager now. I bought the Cynosa v2 keyboard yesterday, plugged it in and installed the software. All the keys were lighting up a dim blue with nothing else, and the keys were not working; nothing would type. I checked for solutions and tried the holding down ESC, Cap Lock, & Spacebar and plugging it in the pc. The colors all came up wonderfully, but it would still not type. I rebooted the computer and now the keyboard doesn't even light up. I checked Device Manager and it says Unknown USB Device (Device Descriptor Request Failed). When I remove the keyboard that goes away, so I know that error is for the keyboard. I uninstalled it and re-installed, no change, same error. Any thoughts?
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    5 Replies

    A
    • azithro
    • 70 replies
    • September 27, 2020
    webeasyGlaucous838
    I get this error in Device Manager now. I bought the Cynosa v2 keyboard yesterday, plugged it in and installed the software. All the keys were lighting up a dim blue with nothing else, and the keys were not working; nothing would type. I checked for solutions and tried the holding down ESC, Cap Lock, & Spacebar and plugging it in the pc. The colors all came up wonderfully, but it would still not type. I rebooted the computer and now the keyboard doesn't even light up. I checked Device Manager and it says Unknown USB Device (Device Descriptor Request Failed). When I remove the keyboard that goes away, so I know that error is for the keyboard. I uninstalled it and re-installed, no change, same error. Any thoughts?
    is your unrecognized keyboard showing up in device manager?
    W
    azithro
    is your unrecognized keyboard showing up in device manager?
    Yes it is as stated in my opening paragraph: "I checked Device Manager and it says Unknown USB Device (Device Descriptor Request Failed). When I remove the keyboard that goes away, so I know that error is for the keyboard."
    A
    • azithro
    • 70 replies
    • September 27, 2020
    webeasyGlaucous838
    Yes it is as stated in my opening paragraph: "I checked Device Manager and it says Unknown USB Device (Device Descriptor Request Failed). When I remove the keyboard that goes away, so I know that error is for the keyboard."
    right click on it and update it and do a manual update
    • brows my computer for driver
    • Let me pick from a list of available drivers on my computer
    and find any driver from razer version i suggest use 2016 version
    W
    azithro
    right click on it and update it and do a manual update
    • brows my computer for driver
    • Let me pick from a list of available drivers on my computer
    and find any driver from razer version i suggest use 2016 version
    Picking from the list of available drivers still lists the item as Unknown USB Device. Where can I find individual keyboard drivers to download? All I get for download options are Synapse and Cortex. The support page for the Cynosa V2 keyboard doesn't have anything listed in its Drivers & Downloads section.
    W
    Any other thoughts anybody?
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