If the OP wants to confirm this, disconnect the HDD, power and data and boot. It SHOULD come up with the “I want a disk” screen. If it shuts down, it certainly isn’t the HDD.
A lot of simple debugging can be done by disconnecting things. Minimum for a test is video, power and one bank of memory, no USB, no serial, no ADB, no network, no expansion cards (except for video if needed), etc. Clark Martin A designated driver on the information Super Highway > On Mar 4, 2018, at 1:49 PM, Bruce Johnson <[email protected]> > wrote: > >> On Feb 24, 2018, at 3:44 PM, Mac User #330250 <[email protected] >> <mailto:[email protected]>> wrote: >> >>> >>> Even if the HDD was toast, the Mac would not shutdown: it would say "I can't >>> find any boot disk" - or something like that. >>> And if the HDD was corrupted, the Mac would show the folder icon with a >>> flashing question mark (meaning "Cannot find a valid system to boot"). >> >> HDD failures don't have to be total. Sometimes only some sectors are >> corrupted and that's what makes it act up, including the possibility to >> have it shut down on its own afer a certain timeout. > > I’ve dealt with failing disks a number of times on both Classic and OS X over > the years and this will not cause the system to shut down like this. -- -- You received this message because you are a member of G-Group, a group for those using G3, G4, and G5 desktop Macs - with a particular focus on Power Macs. The list FAQ is at http://lowendmac.com/lists/g-list.shtml and our netiquette guide is at http://www.lowendmac.com/lists/netiquette.shtml To post to this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/g3-5-list --- You received this message because you are subscribed to the Google Groups "G-Group" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/d/optout.
