Macintosh SE - “Sad Macintosh” Icon

Troubleshooting Symptom Charts/Miscellaneous (Continued) - 13
Miscellaneous (Continued)
“Sad Macintosh” icon 1 Replace bad disk.
2 Replace SIMM(s) if code matches any of those given in
“Isolating a Faulty SIMM” in Hardware/Memory.
3 Verify that three-pin jumper on logic board is configured
correctly for system RAM. See Hardware/Memory.
4 Replace logic board. Retain customer’s SIMMs.
“Sad Macintosh” icon
and black vertical
line are displayed;
screeching sound
1 Verify that three-pin jumper on logic board is configured
correctly for system RAM. See Hardware/Memory.
2 Replace logic board. Retain customer’s SIMMs.