What keystroke is needed to enter BIOS ?
This depends on the system. Generally, the keys used are the function keys (F1 - F12) or ESC or DEL.
Here are some good keys to try:
- Gateway F1 or F2
- Compaq F10
You can also Google a term like "Gateway bios key" to find pages that might tell you. (It might help to include the computer's model number.) Pages from the manufacturer's web site are the most likely to be accurate.