Why is my system hanging at boot with "Scanning for Devices"?

Solution Verified - Updated -

Issue

  • After patching server and rebooting it, the server does not initialize or come up. On a Dell system, boot seems to hang with message: Scanning for devices. Please wait, this may take several minutes.... with a blinking cursor. This failure occurs before the grub menu appears.

Environment

  • Red Hat Enterprise Linux 6
  • Dell system

Subscriber exclusive content

A Red Hat subscription provides unlimited access to our knowledgebase of over 48,000 articles and solutions.

Current Customers and Partners

Log in for full access

Log In
Close

Welcome! Check out the Getting Started with Red Hat page for quick tours and guides for common tasks.