![](http://pdfasset.owneriq.net/2/6c/26cd8b59-bef6-4028-93be-52258806b4b4/26cd8b59-bef6-4028-93be-52258806b4b4-bg2d.png)
Troubleshooting Symptom Charts/System
(Continued)
- 7
System
(Continued)
During startup,
following message is
displayed, “This
startup disk will not
work on this
Macintosh model.”
1 Verify that startup disk is good.
2 Verify that LED cable is securely attached to logic board.
3 Reinstall system software.
4 Replace LED cable.
5 Replace logic board. Retain customer’s SIMMs.