Zapping the PRAM
q Hold down all 4 keys on power-up. You will hear Multiple chimes.
q Waite for three to four chimes then let go of the keys.
r Zaps the pram to reset to factory settings. Use when getting bombs or crashes. Also corrects
the inability to double click items
Rebuilding the Desktop
q Hold both keys until the dialog box shows on the screen asking if you want to rebuild the desktop
r Corrects icon appearance and path to the application
Force Quitting Applications
q Press all three keys to force quit out of a locked up application
Bypass Set Start-up Device
q To bypass the currently selected start-up device (except on a Quadra 700)
r start or restart the computer while holding down the Command-Option-Shift-Delete keys.
Turning The Extensions Off
q Hold Down the Shift Key On Boot-UP
q On the newer Macs you can also hold the space bar down on boot up to go into the extension
manager to disable extensions.
Selecting More Than One Item
q Shift key down
q While clicking multiple items allows you to select more than one item
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Extension Manager (System 7.5)
q To bring up the Extension Manager at startup hold down the Space Bar.
Startup From CD-ROM
q Hold down the letter c key (lower-case only)
q On a Power Macintosh or Macintosh 630 family computer
r this directs the computer to startup from the CD-ROM drive instead of the hard drive or
Keypad Mouse (Activate/Deactivate)
q To set the keypad to control mouse movement, press the Command-Shift-Clear keys.
q The 1, 2, 3, 4, 6, 7, 8, 9, keys control movement and direction of the pointer.
q The 5 key is the mouse button.
q The 0 key locks the mouse button.
q The decimal point key unlocks the mouse button.
Return to Top
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Macintosh Trouble Shooting
No Network Connections:
q Check Control Panel - Network or AppleTalk settings
q Check cable connections from the wall jack to the back of the Macintosh
q Try rebooting the machine
q Try zapping the PRAM and then reset the control panel network setting
q Pull out the MLB and check the network card connection
q Verify that you have the correct zone selected (WAN schools ONLY)
q Restart the Mac holding down the shift key (turning the extensions off)
q If the Mac now boots up, you have an extension conflict
r disable new or non-Apple extensions
q Zap the PRAM
q Boot from the Norton CD and run Norton Disk Doctor
q Can other computers print to the same printer ?
q Check chooser settings
q Is the correct printer type selected
q Click on the set-up button and do the auto set-up
q HP and other brand printers MUST have their own drivers installed
q Check cable connections
Check the monitor cable connections
Check the brightness and contrast controls
Try replacing the battery on the logic board of the CPU
Try the monitor on a working Mac
Try the mac with a working monitor
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? on start-up:
q Unplug any external SCSI devices
q Boot form the Norton Utilities CD and run Disk Doctor
q Repair all errors
q Re-scan until no errors show up
r Boot from the System CD or the Disk Tools on floppy disk
r If the Hd now shows on the desktop, the system needs to be reinstalled
r If the Hd is missing on the desktop, the is damaged
q Try running Norton Utilities on the damaged drive
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