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| Author | Color Classic startup problem (Read 19790 times) | ||||||||||||||||||
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clarus
4 MB  Posts: 4 
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on: January 30, 2009, 21:49
Previously I posted about my need for a bootable floppy for a Color Classic that will not boot from the HD. I was able to get a disk made (finally!) and the computer boots just fine with it. The problem is that neither Drive Setup or Disk First Aid can see the SCSI HD. On startup, the computer bongs, the display comes on, and I can hear the HD spin up...after a few moments, the screen turns white (like it does right before the happy macappears) and the HD stops spinning. Then the flashing question mark appears. I can boot from the floppy just fine (get the happy mac), but that's all. Any suggestions? The HD sounds fine during the short time it is spinning...no clicking or grinding. |
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cr2032
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64 MB Posts: 81 
Reply #1 on: January 31, 2009, 10:04
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I have similar experience before. It seems like the HD has some kind of damaged and the previous system folder can not be accessed. What I did before was to take out that HD and put into powerpc mac with OS761 to initialize as a blank one. Then, I put it back to the Color classic and it become recognized. Good luck !
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Jamie-Jamie
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4 MB Posts: 6
Reply #2 on: October 13, 2009, 19:57
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I had to do that once. One thing you should do is install DiskWarrior on the box you're going to do the testing with. It's not available to buy anymore, but it can be found at the Macintosh Garden. (If abandonware mentions aren't allowed, please edit accordingly) It'll let you thoroughly test the disk and its structure. Usually this kind of problem is caused by either a dead drive, or a corrputed b-tree. The b-tree is like a database that lets the System Software find files on your disk. This is the #1 cause of HDs becoming unreadable! DiskWarrior's saved a bunch of my old disks that I thought were toast.
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DaveRhodes
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32 MB Posts: 43 
Reply #3 on: October 14, 2009, 01:40
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A couple of my old SCSI-drive Macs have a problem where the SCSI drive just takes a while before it'll work properly. Have you tried leaving it at the question mark screen for an hour or so and then rebooting it?
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mpocciot
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8 MB Posts: 10
Reply #4 on: December 20, 2009, 21:08
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This may also mean that your HD is not one of orignal Apple drives. Maybe an upgrade? In that case yoiu will need a diskette with some sort of formatting software, like HDT Primer 1.3.1 PE that will see your disk and be able to format it. My Color Classic has now a 4GB HP drive that never starts when the machine first starts, I have to give it a keyboard reset,then it will find the boot partition (CTRL+COMMAND+start key) Cheers, Marcio
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