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Apple Computing Products:
macOS - Desktop Hardware
Imac alu 3.06GHz not booting up..
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<blockquote data-quote="Rasmus Rorbek" data-source="post: 873932" data-attributes="member: 110451"><p>Greetings!</p><p></p><p>My iMac is acting up, and I hope that someone here may be able to help.</p><p></p><p>I'd better do a brief timeline of what have happened, as it have evolved a little during the past 24 hrs..</p><p></p><p>Yesterday:</p><p>1. The machine froze solid, while I was online playing a MMORPG game, I rather enjoy.</p><p></p><p>2. After waiting a wee bit for the machine to snap out of it, I decided to do a hard shut down and reboot.</p><p></p><p>3. The machine wasnt able to go past the start up chime with black screen. It just went on endlessly. I shut it down and tried again. I repeated this quite a few times. Only change was that sometimes the chime would sound a little muffled compared to other..</p><p></p><p>4. I let it cool down for an hour. Tried again. Same result.</p><p></p><p>5. I tried to run the interior hardware test. It wouldn't go past the chiming.</p><p></p><p>6. Tried the command-s / shift / and installation disc-boot tricks - no result.</p><p></p><p>7. Took out the RAM and replaced them with the originals. - no result. I tried to boot with a variaty of set ups with the RAM. - no result.</p><p></p><p>8. Took out the powercord and let it sit for a few hours. Then tried again. It now booted up as normal and just as I sighed of relief the screen went grey - then black - then the machine shut down and the chiming came back.</p><p></p><p>9. Took out the powercord - it booted in command-s. I then tried to run the fsck, but the screen went black before I could see anything about the system.</p><p></p><p>Today:</p><p>10. Thought I would give it one more go. The machine booted as normal. Then repeated step 8, but didnt shut down. It sounded like it was still running altho those wee processor-sounds were not there. The screen was grey.</p><p></p><p>11. Shut it down and tried to reboot. Chime -> grey screen -> nothing.</p><p></p><p>12. Wrote this.</p><p></p><p>I am at the point now, where I have no clue what to do next other than either try and open the machine to check for "dust" in the physical interior - or hand it over to my local Apple-vendor to let them have a go at it. I dont have AppleCare, as I forgot about it.. (brilliant, i know)</p><p></p><p>The reoccuring problem is, that the screen goes either grey or black no matter which "trick-of-the-trade" I try to pull on the iMac.. I can -however- boot it after having left the cord out a bit. When it boots up, it loads all the way with programs and everything and is actually fully usable for one minute max. Then the screen goes grey/black.</p><p></p><p>As i have been searching my brain for anything I might have done wrong to it, I remembered that it have done the chime-repeating a few times before. It chimed two or three times, but then booted up, and I thought nothing more of it. The machine is bought in may last year, so I kinda doubt, that the interior would be able to get so dirty, that this would be the reason (?)</p><p></p><p>Any ideas on what I could try to do, or thoughts on what might be the problem will be highly appreciated!</p><p></p><p>Thanks! (and sorry for the wall of text <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite1" alt=":)" title="Smile :)" loading="lazy" data-shortname=":)" /> )</p></blockquote><p></p>
[QUOTE="Rasmus Rorbek, post: 873932, member: 110451"] Greetings! My iMac is acting up, and I hope that someone here may be able to help. I'd better do a brief timeline of what have happened, as it have evolved a little during the past 24 hrs.. Yesterday: 1. The machine froze solid, while I was online playing a MMORPG game, I rather enjoy. 2. After waiting a wee bit for the machine to snap out of it, I decided to do a hard shut down and reboot. 3. The machine wasnt able to go past the start up chime with black screen. It just went on endlessly. I shut it down and tried again. I repeated this quite a few times. Only change was that sometimes the chime would sound a little muffled compared to other.. 4. I let it cool down for an hour. Tried again. Same result. 5. I tried to run the interior hardware test. It wouldn't go past the chiming. 6. Tried the command-s / shift / and installation disc-boot tricks - no result. 7. Took out the RAM and replaced them with the originals. - no result. I tried to boot with a variaty of set ups with the RAM. - no result. 8. Took out the powercord and let it sit for a few hours. Then tried again. It now booted up as normal and just as I sighed of relief the screen went grey - then black - then the machine shut down and the chiming came back. 9. Took out the powercord - it booted in command-s. I then tried to run the fsck, but the screen went black before I could see anything about the system. Today: 10. Thought I would give it one more go. The machine booted as normal. Then repeated step 8, but didnt shut down. It sounded like it was still running altho those wee processor-sounds were not there. The screen was grey. 11. Shut it down and tried to reboot. Chime -> grey screen -> nothing. 12. Wrote this. I am at the point now, where I have no clue what to do next other than either try and open the machine to check for "dust" in the physical interior - or hand it over to my local Apple-vendor to let them have a go at it. I dont have AppleCare, as I forgot about it.. (brilliant, i know) The reoccuring problem is, that the screen goes either grey or black no matter which "trick-of-the-trade" I try to pull on the iMac.. I can -however- boot it after having left the cord out a bit. When it boots up, it loads all the way with programs and everything and is actually fully usable for one minute max. Then the screen goes grey/black. As i have been searching my brain for anything I might have done wrong to it, I remembered that it have done the chime-repeating a few times before. It chimed two or three times, but then booted up, and I thought nothing more of it. The machine is bought in may last year, so I kinda doubt, that the interior would be able to get so dirty, that this would be the reason (?) Any ideas on what I could try to do, or thoughts on what might be the problem will be highly appreciated! Thanks! (and sorry for the wall of text :) ) [/QUOTE]
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Apple Computing Products:
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Imac alu 3.06GHz not booting up..
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