When things don't work correctly, Mac users have learned to rebuild the desktop database by holding down the Command + Option keys at startup, maybe zapped the PRAM (Parameter Memory, by holding down Command + Option + P + R keys while booting). However, when you make a major change to the internals of the computer, such as add new RAM, an upgraded processor, etc., one needs to reset the motherboard. On current Macs this is done in the Boot ROM (a.k.a. BIOS) using some commands in Open Firmware. Here are the steps:
- Shut down the computer
- Open it up and press the small button inside on the board itself which is a manual zap of pram. (Only reachable on tower machines), or
- Start computer up holding down Command + Option + O + F
- A screen comes up with a command prompt
- At the prompt type in reset-nvram, and hit the return key
- At the prompt type reset-all, and hit the return key
- The machine will reboot
Version 1.1.0 - 20070310
