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OS X - Operating System General OS operation information and support

iMac super slow bootup


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justinp

 
Member Since: Dec 11, 2011
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My iMac used to bootup OK, but now I get blank gray screen for several minutes until Apple logo appears, then I get that for a while, then blue screen for a long time before user login appears. Once bootup is complete the computer runs fine.

I tried disk utility - and was able to do a repair, but problem persists.

Should I reinstall the OS?

One time shutting down my wife thought the computer was off but it wasn't and in the morning we discovered it was stuck trying to shut down - might we have 'toasted' something?

Thanks!
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chscag

 
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Location: Fort Worth, Texas
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Mac Specs: 27" iMac i5, 3.2 GHz, iPad 3, iPhone 5c, 3 iPods, OS X Mavericks

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How old is your iMac? Year, model? It sounds very much like the hard drive may be failing. In any event before doing anything else, make a complete backup of all your data before the drive completely fails. Use Time Machine or another backup program.
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justinp

 
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Info on Mac below. What do advise to do next?

Model Name: iMac
Model Identifier: iMac4,1
Processor Name: Intel Core Duo
Processor Speed: 2 GHz
Number Of Processors: 1
Total Number Of Cores: 2
L2 Cache: 2 MB
Memory: 2 GB
Bus Speed: 667 MHz
Boot ROM Version: IM41.0055.B08
SMC Version (system): 1.1f5
Serial Number (system): W8606BQUU2P
Hardware UUID: 00000000-0000-1000-8000-0016CB835ECE
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gsahli

 
Member Since: Dec 11, 2010
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You weren't clear about doing a disk drive repair - did you boot from the install DVD first?

Do a drive repair using one of the three recommended methods here:
Resolve startup issues and perform disk maintenance with Disk Utility and fsck
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chscag

 
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Mac Specs: 27" iMac i5, 3.2 GHz, iPad 3, iPhone 5c, 3 iPods, OS X Mavericks

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Quote:
Info on Mac below. What do advise to do next?
As I stated in my first reply, make a backup first (if possible). Then you can follow through on what member "gsahli" recommended.
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