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Daniel
Daniel, Mac Genius
Category: Mac
Satisfied Customers: 4750
Experience:  Apple certified on desktop and portable, help desk qualified. Have owned and used Macs since 1989.
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Hi. My iMac turns on but the white screen appears with the

Customer Question

Hi. My iMac turns on but the white screen appears with the apple logo and a loading bar appears. sometimes the computer will shut down and others the white screen and logo will remain there with the waiting icon turning around. What do you suggest?
Thanks
Submitted: 1 year ago.
Category: Mac
Expert:  Daniel replied 1 year ago.
Hello, my name is Dan.
I will do my best to help you, the only stupid question is the unasked one.

Tell the truth that does not sound good.

Try this.
  1. Shut down the computer.
  2. Unplug the computer's power cord.
  3. Wait fifteen seconds.
  4. Attach the computer's power cord.
  5. Wait five seconds, then press the power button to turn on the computer.

Then let me know.


Daniel, Mac Genius
Category: Mac
Satisfied Customers: 4750
Experience: Apple certified on desktop and portable, help desk qualified. Have owned and used Macs since 1989.
Daniel and 2 other Mac Specialists are ready to help you
Customer: replied 1 year ago.

Hello,
I've done that. Not good... I have also pressed option, command, P, R. The same thing happens: white screen, waiting icon and then the computer turns off or waits for ever. All of this is happening after the computer was unplugged to paint the room it is in. Until this, everything was working fine...
Thanks

Expert:  Daniel replied 1 year ago.
This could be a failed power supply inside the computer.
I do think it is hardware, could be the power supply, logic board or the hard drive.
Are you on another Mac and if so do you have a firewire cable compatible with both? It may be possible to go at this from another angle.
Customer: replied 1 year ago.

Yep, I do have another MAC and a firewire.


I am trying to reinstall OS from the original computer CD, but apparently an error occurs every time. I am trying again now.

Expert:  Daniel replied 1 year ago.
Then try starting the sick Mac in Target Mode by holding the letter T down until the radiation symbol appears.

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It may be on a blue screen.
Then use the firewire cable and connect the two Macs.
Open Disk Utility, select the Mac HD firewire drive and see if it can be repaired.


Customer: replied 1 year ago.

I have managed to reinstall the original OS system and I am now downloading all the updates in order to recover my time capsule backup.

Expert:  Daniel replied 1 year ago.

All I wanted you to do was repair the hard drive and repair permissions with Disk Utility but if you did get OS X installed and do have Time Machine then have at it. I would have used Time Machine first and then updated but this should work OK.

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