The PRAM manages system wide settings and can sometimes get messed up (on older Macs) when installing new hardware/software.
It's one of the reasons newer versions of OS X now do system updates outside the system (on restarts/shutdowns) and not while you're still using the computer.
The PRAM manages system wide settings and can sometimes get messed up (on older Macs) when installing new hardware/software.
It's one of the reasons newer versions of OS X now do system updates outside the system (on restarts/shutdowns) and not while you're still using the computer.