iMac G5 2004

C

comittina

Registered
Initially last week computer would not load desktop. Grey screen with spinning gear only. Had HD on computer saying completely full in Disk Utility. Backed up data at Apple Specialty retailer Small Dog Electronics.
Reformatted HD and reinstalled Leopard. Desktop loaded OK. Bought external HD , transferred backed up data into ExHD and proceeded to transfer necessary files back onto iMac internal HD. Plenty of HD space remaining.
Computer worked fine for one or two days. Stopped working after son interrupted software update. Have grey screen, spining gear again.
Disk utility repair messages:

Mac HD Disc Repair failed, no valid packages (-9997)
Reserved fields in catalog record have incorrect data ( repeated many times)
Invalid Leaf record count, should be 1479 instead of 147.

What are these error messages indicating? New internal HD required? Thanks for assistance.
 
It sounds simply like your OS installation got corrupted -- as a rule of thumb, and for knowledge going forward, software updates should never, ever be interrupted, under any circumstances.

Boot from your Mac OS X Install/Restore CD/DVD, and run a Disk Repair from there. You'll find "Disk Utility" in the Utilities menu when you boot from the CD/DVD and select a language.

Failing that, you may want to perform an "Archive and Install" procedure -- this is one of the installation "Options" you can set when installing OS X. This will save your user accounts, user data, applications, and most of your preferences while installing a new copy of Mac OS X, which can then be brought back up-to-date via an uninterrupted run or two of Software Update.
 
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