A circle with a line through it on mac

Try a Safe Boot to disable non-Apple extensions. Intel Macs can also boot from a USB flash drive which contains a bootable disk image, this can be very handy in an emergency. You can also use a clone of your Mac hard drive to boot a cantankerous system.

This not only allows you to check, fix or copy data off the primary boot drive but continue working immediately when you have disk problems. Kacey — sounds like you have a bad hard drive. To follow up, just heard from the repair shop. The cable is bad.

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Logic board is fine. Thanks for your guidance. You also may have a hairline fracture on the logic board or loose connector on cable. No problems until Sunday morning.


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I was able to log in and clicked on Mail icon. It froze. I did a force quit. Same thing happened when I launched Safari. I was in for about a minute and then it froze. I let the logo and spin gear go for about 3 hours and nothing. I tried booting from the install DVD and no luck either.

Took it to a third party repair store and he was able to mount my old drive externally and I was able to get in. He said either the cable from the HDD to the logic board was bad or the logic board was bad. Does this sound accurate?

Question mark

If the logic board truly was bad, would I be able to do anything whether the drive was mounted interal or externally? It is a little over a year old and I do not have a valid warranty. This issue happened after I shut off the computer by holding the start button due to safari having a rainbow pinwheel for a few minutes.

Why is this happening so randomly? What is actually wrong and how much do you think it will cost to fix? Thanks so much Kacey. I suggest you take the laptop to an Apple Service Center. You can use the Get Info window in the Finder to give yourself access to your files from another admin account, or boot the iMac in Target Disk Mode and access from a second system. When I try to log in it goes to the page with Finder in the menu bar and then 2 or 3 seconds later goes straight back to the login page whether or not I click with the mouse or try using the keyboard.

We tried changing the password but it makes no difference.

Helpful answers

My daughter is the administrator so we can log in as her and use the computer but I am unable to access the documents I have under my log in. Please can you advise how to correct this so I can log on or is there a way to access my documents through her account? I am not that computer literate but have tried searching through the Apple help menus to no avail.


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  • Kind Regards Karen. Mac repair guy said… oh you saw the kernel panic before the problem? I wasnt aware of what it was called. Now I find out tomorrow how serious the issue I have to pay for is.

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    I unplugged everything from the logic board except for the power supply and video connections and hit the power button. Sure enough, I got a chime.

    I cant start-up my MacBook Pro. I get a circle with a line…

    Began plugging things back in one at a time until I found the culprit. Turned out to be the hard drive temp sensor. No expensive logic board replacement, just a little temp sensor board. History Spread Romanization Roman numerals. Letters of the ISO basic Latin alphabet. Letter O with diacritics. Diacritics Palaeography. Danish language. Norwegian language. Kebabnorsk Modern Norwegian Svorsk. Hidden categories: Wikipedia articles that are too technical from June All articles that are too technical Articles needing expert attention from June All articles needing expert attention Articles needing additional references from November All articles needing additional references Articles containing Danish-language text Articles containing explicitly cited English-language text Articles containing French-language text Articles containing Faroese-language text Articles containing Swedish-language text Articles containing Norwegian-language text All articles with unsourced statements Articles with unsourced statements from July Interlanguage link template link number Use dmy dates from September Namespaces Article Talk.

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