Hardware

• Manufacturer: IBM
• Model: Thinkpad T400

lshw(1) output: lshw

Software

• OS: Linux
• OS release/version: Debian Sid

Setup

BIOS

Hit F1 during POST. When the BIOS screen loads, press F9 to load the default configuration. Select Yes.

• Config
  • Beep and Alarm
    • Power Control Beep: [Enabled] -> [Disabled]
  • CPU
    • Intel(R) Virtualization Technology: [Enabled] -> [Disabled]
    • Intel(R) VT-d: [Enabled] -> [Disabled]

Wireless

Install firmware-iwlwifi package from non-free.