You may come across the issue of Alienware Command Center not working if it is corrupt. So, in this situation, you need to uninstall Alienware Command Center and reinstall it. Open Command Prompt and choose Uninstall a program under Programs section.
Once updated to Windows 11 fan stopped working Alienware command center Won’t open. Keyboard is back to blue instead of custom colours. It’s so annoying as I need my pc for digital media and graphic design. please help 
Alienware command center won’t open fans stopped working on Dell G7 17 7790