Skip to content

Dell Latitude 7440

A Windows laptop by Dell from 2023.

Characteristics

  • Intel 13th i5-1345U
  • 16 GB RAM DDR5 4800 MHz
  • 14" 1920x1200 16:10 screen
    • 150 cd/m2 → 33%
  • 512Gb Kioxia KBG50ZNS512G

BIOS Keys

  • FN+Shif+B for Un-obstrusive mode → Shut down all screen & lights
  • At boot time:
    • F2 for BIOS
    • F12 for Boot selection
    • CTRL+I for Intel Raid
    • CTRL+C for LSI Raid
    • CTRL+P for Intel ME

Software

Sound

  • Controlled by Waves MaxxAudio Pro for Dell
  • However, effect applies also to every devices, including USB DAC
  • To disable for one output
    • In the MaxxAudio control panel, put everything on 0 but don't disable: 431
  • To disable entirely
    • Disable the startups software from Waves & Realtek
    • Disable the services from Waves