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Fix for Alienware M15x “Warning: IRQ not configured – PCI in slot 0D”

Alienware M15x owners may see the following message appear during post:

Warning: IRQ not configured - PCI in slot 0D
  Bus:02, Device:00, Function:01

To resolve this rather cryptic error message, make sure you’re running BIOS version A05 or newer. The current BIOS is A09, and is available at support.dell.com (direct link).

 

 

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