Solved Win11 Pro not connecting to external device over USB


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System One System Two

  • At a glance

    Windows 11 26200.8728Amd Threadripper 7970X128GB (4 X 32) G.Skill DDR5 6400 (RDIMM)Gigabyte RTX 4090 OC
    OS
    Windows 11 26200.8728
    Computer type
    PC/Desktop
    Manufacturer/Model
    homebuilt
    CPU
    Amd Threadripper 7970X
    Motherboard
    Gigabyte TRX50 Aero D Rev. 1.0
    Memory
    128GB (4 X 32) G.Skill DDR5 6400 (RDIMM)
    Graphics Card(s)
    Gigabyte RTX 4090 OC
    Sound Card
    none (USB to speakers), Realtek
    Monitor(s) Displays
    Innocn 32" OLED
    Screen Resolution
    3840 X 2160 @ 60Hz
    Hard Drives
    Crucial T700 2TB M.2 NVME SSD
    WD 4TB Blue SATA SSD
    Seagate 18TB IronWolf Pro
    PSU
    BeQuiet! Straight Power 12 1500W
    Case
    Lian Li 011 Dynamic Evo XL
    Cooling
    SilverStone Technology XE360-TR5, with 3 Phanteks T30 fans
    Keyboard
    Cherry KC 500 MX LP (mechanical)
    Mouse
    Logitech M500s (wired)
    Internet Speed
    2000/250 Mbps (down/up)
    Other Info
    xFinity gateway

  • At a glance

    windows 11 26200.8728Intel I9-13900K64GB G.Skill DDR5-6000Gigabyte RTX 3090 ti
    Operating System
    windows 11 26200.8728
    Computer type
    PC/Desktop
    Manufacturer/Model
    homebuilt
    CPU
    Intel I9-13900K
    Motherboard
    Asus RoG Strix Z690-E
    Memory
    64GB G.Skill DDR5-6000
    Graphics card(s)
    Gigabyte RTX 3090 ti
    Sound Card
    built in Realtek
    Monitor(s) Displays
    Philips 27E1N8900 27" OLED
    Screen Resolution
    3840 X 2160 @60Hz
    Hard Drives
    WDC SN850 1TB
    8TB Seagate Ironwolf
    4TB Seagate Ironwolf
    PSU
    eVGA SuperNOVA 1300 GT
    Case
    Lian Li 011 Dynamic Evo
    Cooling
    Corsair iCUE H150i ELITE CAPELLIX Liquid CPU Cooler
    Keyboard
    Cherry Streaming (wired)
    Mouse
    Logitech M500s (wired)
Silicon Labs CP210x USB to UART Bridge
www.silabs.com

CP210x USB to UART Bridge VCP Drivers - Silicon Labs

The CP210x USB to UART Bridge Virtual COM Port (VCP) drivers are required for device operation as a Virtual COM Port to facilitate host communication with CP210x products. These devices can also interface to a host using the direct access driver.
www.silabs.com www.silabs.com
 

My Computer My Computer

At a glance

Win11 Proi764gbZOTAC GeForce GTX 1660 6GB
OS
Win11 Pro
Computer type
PC/Desktop
Manufacturer/Model
Dell Vostro 3910
CPU
i7
Motherboard
Dell
Memory
64gb
Graphics Card(s)
ZOTAC GeForce GTX 1660 6GB
Sound Card
none
Monitor(s) Displays
Viewsonic
Screen Resolution
2560 x 1440
Hard Drives
2T NVME 6T HD
PSU
Upgraded to 500w Tivora
Case
Dell
Keyboard
Dell
Mouse
logitech
I got dyslexic in post #19. Should have read.
CP210x USB to UART Bridge VCP Drivers
 

My Computer My Computer

At a glance

Win11 Proi764gbZOTAC GeForce GTX 1660 6GB
OS
Win11 Pro
Computer type
PC/Desktop
Manufacturer/Model
Dell Vostro 3910
CPU
i7
Motherboard
Dell
Memory
64gb
Graphics Card(s)
ZOTAC GeForce GTX 1660 6GB
Sound Card
none
Monitor(s) Displays
Viewsonic
Screen Resolution
2560 x 1440
Hard Drives
2T NVME 6T HD
PSU
Upgraded to 500w Tivora
Case
Dell
Keyboard
Dell
Mouse
logitech
That's strange, because the site does provide a CP210x driver. Unless the driver never correctly installed.

Code: 
;/*++
;
;Module Name:
;
;    ARMPLATY.INF
;
;    Copyright 2016, Silicon Laboratories Inc.
;
;Abstract:
;    Installation INF for Silicon Labs CP210x device
;
;--*/

[Version]
Signature="$WINDOWS NT$"
Class=Ports
ClassGuid={4D36E978-E325-11CE-BFC1-08002BE10318}
Provider=%Provider%
DriverVer=03/28/2016,6.7.3.350
CatalogFile=armplaty.cat
Code: 
[Strings]
Provider="Lunatico Astronomia"
Disk_Description="Lunatico Astronomia Seletek Armadillo and Platypus drivers Installation Disk"
USB\VID_16C0&PID_09B1.DeviceDesc="Seletek Armadillo / Platypus"
silabser.SvcDesc="Lunatico Astronomia Seletek Armadillo and Platypus drivers Driver"
PortsClassName = "Ports (COM & LPT)"
 

My Computer My Computer

At a glance

Windows 7
OS
Windows 7
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