Show Control desktop, icons, and programs have no color

Potential Symptoms

  • No colors on screen when using Avocent HMX KVM transmitter
  • Windows desktop, background, task bar, icons, and programs show grayscale, gray, greyscale, grey

Environment

  • Product Family: Software
  • Product:
  • Component: Windows 10
  • Control System: Show Control System (SCS)

Cause

  • Windows 10 has switched to a high-contrast accessibility mode
  • This mode can be enabled by a keyboard shortcut in versions of Windows 10 after build 1709
  • Avocent HMX transmitter menu is accessed by holding Ctrl + Alt + C and was likely mistyped

Resolution

  • Hold Ctrl + ? Win + C to disable no color mode
    • (? Win Key is next to left Alt Key)

KB ID: DD4080533


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