General Description

Some manufacturers have their own way for entering BIOS as shown below:

• Acer – Ctrl+Alt+Esc
• AST, Advantage, Award, Tandon – Ctrl + Alt + Esc
• Compaq – F10 (When the square is in the top right hand corner of screen)
• Dell – F1 or Del.
• Dells – Some require pressing reset twice
• Dells – Ctrl + Alt + Enter
• Gateway 2000 – F1
• Hewlett Packard – F1
• IBM
  • Older Models – In order to get into the configuration of the IBM setup screen (CMOS) screen you need to hold down both mouse buttons during boot-up.
  • Aptiva – Press F1
• IBM PS/2 with reference partition – Press Ins during boot
• Some PS/2s, such as 75 and 90 – Ctrl Alt ?
• Some PS/2s when pointer at top right of screen – Ctrl + Ins
• Leading Edge
  • Fortiva 5000 – or
• NEC – F2
• Packard Bell – F1 or F2
• Phoenix – Ctrl Alt S
• Phoenix – Ctrl S
• Phoenix – Ctrl Alt Ins
• Sharp Laptop 9020 – F2
• Sony – F3, then F2, or F1
• Tandon computers – Hold down the key after turning on power
• Tandon – Ctrl + Shift + Esc
• Toshiba Laptops – Toshiba Utility
• Toshiba – Press Esc during boot
• Toshiba, Phoenix, late model PS/1 Value Point and 330s – Press F1 during boot
• Olivetti PC Pro – Shift Ctrl Alt + Num Pad del
• Miscellaneous PC’s – Ctrl + Esc or Ctrl and Alt and +
• Zenith – Ctrl Alt Ins