Hi Ian, You may also look for a programmer switch on your Mac. This is an image of what it looks like for a 128, 512 or Plus: http://facstaff.cbu.edu/~cyelving/PlusSwitch.jpg
And for an SE, SE FDHD and SE/30: http://www.ccadams.org/se/switch.gif Later models look like this, https://upload.wikimedia.org/wikipedia/commons/1/1d/Macintosh_Classic_II_Left_Side_Reset_Interrupt_Switch.jpg They are located to the rear of the computer, along the left hand side of the casing, near the bottom. Check also that nothing appears to be jammed into this area or broken and pushed in. It could be that the interrupt or programmers switch has been pressed in and this will keep the computer in a repetitive null loop where it is unable to complete the start up process. Can you tell us something about the history of this Mac, please? Where you got it, what the seller said about it, did you see it working when you bought it. If there is nothing evident on the outside, then the next step would be to remove the rear case to investigate further on the inside. You'll need a long (8 inch minimum length for the shaft) T15 Torx screwdriver to remove the screws. A 1/4" Torx bit in a holder won't get in far enough to engage with the screws. There are very long Torx drivers that were originally made for Macs but a regular T15 from Home Depot, B&Q (U.K.) or a similar hardware store will be fine. Depending on the Mac you have, you'll need to remove five (128, 512, Plus) or four screws (later models). cheers, Keith -- -- ----- You received this message because you are a member of the Vintage Macs group. The list FAQ is at http://lowendmac.com/lists/vintagemacs.shtml and our netiquette guide is at http://www.lowendmac.com/lists/netiquette.shtml To post to this group, send email to vintage-macs@googlegroups.com To leave this group, send email to vintage-macs+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/vintage-macs Support for older Macs: http://lowendmac.com/services/ --- You received this message because you are subscribed to the Google Groups "Vintage Macs" group. To unsubscribe from this group and stop receiving emails from it, send an email to vintage-macs+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.
