Software :: Black Screen Leopard 10.5.2 Intel IMac
May 7, 2008
Middle of last month I bought a 20" IMac. Everything was fine up until about 1 week ago when the screen went black. I clicked on the mouse button several times only to have a password box pop-up. After filling in the response, all was fine.
Next, same scenario but the password box didn't appear any more. The only way to get the screen back was by a forced restart.
I turned off the screen saver, set the 2 controls in energy server to off, unchecked the box at the bottom left & put "auto login" to to on the Accounts window.
Problem continued.
Next move was to zap the pram, this was 2 days ago. The screen didn't go black but often asked for my pw. It's now back to its beginning phase which is a forced restart !!
I was told that it was due to Leopard 10.5.2 & am considering going back to 10.5.1
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May 24, 2012
I came back from work to wake up my iMac. It made the noise but the screen stayed black. I tried restarting by holding the power button- I can hear it start and the chime but still have a black screen. I tried resetting the pram, and unplugging the cord but I still get a black screen. I can hear the chime though; I'm not sure if that means anything. I just had the hard drive replaced in February so I hope it's not that. just wanted to clarify that when I restart, I get the chime but the screen stays black- I don't get to the grey screen. So I'm assuming right now that my display may be shot?
Info:
iMac (20-inch Mid 2007), Mac OS X (10.5.8)
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Jun 22, 2014
My imac boots up and then the screen goes black, i have made a short video to show the error...i have also run disk utility and it comes back with no errors. URL....
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Jun 1, 2014
This just started yesterday (May 31st). I keep everything updated as it comes out and nothing new has been installed in the last couple of days.
When I need I wake up my iMac (now requiring a keystroke or mouse press instead of just moving the mouse), the screen comes up black, but the cursor is there and moves around fine.
It stays black for a while (15 seconds or longer, but it feels like forever) and then it finally comes up completely.
Info:
iMac (27-inch Mid 2011), OS X Mavericks (10.9.3)
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Jun 2, 2014
Black screen on my iMac, how can I get it back to log in screen?
Info:
iMac
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Jun 3, 2014
My imac screen has gone black?
Info:
iMac, OS X Mavericks (10.9.3)
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Jun 17, 2014
My beloved imac desktop just started this after a brief power outage (it didn't affect my husband's imac) or any other machines in the household. I've tried booting while holding the 'option' key but it still goes to "no bootable device" ...
Info:
iMac (21.5-inch Mid 2010), Mac OS X (10.6.3)
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Jun 4, 2014
I tried logging in and I get a black screen with the mouse arrow only. Why does this happen?
Info:
iMac (27-inch, Late 2013)
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Dec 2, 2014
What is happening to my computer. This is the 2nd time it does this: all of a sudden the screen becomes black with reverse fluo colors.
I have to force quite with the push button & restart it. I repaired the permissions & restarted it. It's working again, but I am wondering if I have an alien in it.
Specs details:
iMac, 3.06GHz Intel Core 2 Duo, 4Go 1067 MHz DDR3, running Os X 10.6.8
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Jun 4, 2014
I have a 27 inch desktop. Upon turning the computer on within seconds the fan comes on. Then it goes to a high fan. Then it goes to a black screen. Then it shuts off. Then if you click the mouse it will come back on. This cycle repeats itself every 5 seconds. Only one time in the past month did it turn on normally and run for me.
Info:
iMac
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Sep 10, 2014
My screen had black and white vertical lines pop up over the entire screen then went blank and now at a restart the password then loading spinning circle happens then I get a blank white screen.It's a 27 in Intel iMac that is about 2011/12 purchase
Info:
iMac (27-inch Mid 2011), OS X Mountain Lion
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Jun 21, 2012
Every few weeks my iMac will suddenly freeze, the screen going black or white or pink etc. The only way I can get the computer back is to hold down the power button to force a shutdown. Then after a restart everything is OK for a few more weeks. Usually it occurs when I am on the internet. I click on something and suddenly the computer is frozen. I am on OS X 10.6.8 and usually use Safari. Ironically when I opened this forum 5 minutes ago there was a similar sounding problem at the top of the list!
Info:
iMac, Mac OS X (10.6.8), FCE 4 + FCS 3 . . . Little Knowledge, Many Opinions.
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Jun 5, 2014
Upon start up my screen goes to normal gray w/apple logo and spinner then goes black. Cursor is visible and still is moveable but nothing else. I safe booted and bar came up also but then back to black screen.
Info:
iMac, Mavericks upgrade
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Feb 3, 2012
Desktop restart shows flickering black/white screen, then black. Could not restart.
Info:
iPad 2, Mac OS X (10.6.6)
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Jul 3, 2012
New to Mac computers. When trying to open computer after being in sleep mode, I clicked the mouse to open the password screen, & a blank blue/black screen appeared & the mouse timer( colored circle) appeared, as if to be waiting. I had to unplug the computer to reboot it. This has happened twice in 2 days.
Info:
iMac (27-inch Mid 2011)
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Mar 11, 2008
My Imac has been acting up. When I restart the mac it takes forever to start up. It goes to the blue and stays there for several minutes and then will finally boot up. I am running Leopard on an Intel 17 in imac.
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Jun 10, 2012
How do I change the iTunes screen display from 'white on black' to 'black on white'
Info:
24" iMac
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Dec 11, 2014
Why is my Snow Leopard OSX 10.6.8 IMac screen all white when I turn it on? There is no spiral and no Apple logo and the desktop does not appear. The screen is just white.
Prior to this, we had a wind storm in our area with some power glitches today. After one of them, the dock items disappeared and just the wallpaper was there. The colored spinner began going around when I clicked on the mouse but nothing was happening. I unplugged it to try to reset it, but now the screen comes up all white, there's no apple logo that appears at start up and that's it. Now what should I do?
Info:
iMac, Mac OS X (10.6.8)
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Jan 2, 2011
Got me a Second Hand iMac g5 with OSX 10.6 on Screen is black. I changed Power Cable = no Result seen i opened and a thinny Cable from hard drive were not connected. I had to remove the Ram to do that,but no Result i opened again and found another thinny Cable from Broadband Socked comming out. I connected it but nothing happening i opened again with all Leads removed. I removed the Battery inside,pushed after 2 Hour such small Button inside,put Battery in Place,switched on and nothing happened. i pressed the power-Button twice,and on second Time the Screen went White and Fan blow as Hell,but stuck on that. I switched off and on and it was Black again. I disconnected the Lead and switched on after 5 Hour and nothing happens I removed Battery again,pushed after 2 Hour thinny black button inside and nothing when started With nothing happened i always mean "The screen is black",but the Start sound is and i hear a little Fan,and Keyboard reactes with Light on keyboard and with Ping on Computer if i push some Buttons.Mouse has light on Well. seems Screen works. I did not get the Software. It is Snow leopard on but i don't know if re-installing would help or if i need the Pack for 3150.- or what it cost. I also don't know if not Video-Card or logic board fails
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Mar 16, 2012
Ever since I've had my Mac, about three times a day my screen will go completely black after I've moved the cursor very quickly or in a herky-jerky motion. I don't think I'm pressing down on the right or left--it just seems to be some motion.
Info:
MAC 24" 2.66 mgz, Mac OS X (10.5.6)
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Mar 20, 2012
So when I try to log in, the screen goes black, after a few seconds, when I move the mouse around, press a few keys on the keyboard, the login screen comes back. But the same thing happens when i try to log in, it just keeps going black.
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Nov 19, 2009
Is anyone else experiencing this issue? I have a external monitor plugged in and I use my Macbook Pro (2009 Uni) as a secondary monitor. Randomly, the macbook screen just goes black. If I move my mouse on to the macbook screen, I can see the mouse cursor, but the rest of the screen is black! It's driving me mad!
The only fix is to un-plug the monitor adaptor or adjust display arrangements. It's really cramping my style.
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Aug 4, 2009
Let me start by saying I have swapped the ram in the computer and the problem persists. I've also tried resetting the PRAM. I have unplugged all devices except the keyboard and mouse. I have reformatted and installed OS X Leopard, Tiger and Snow Leopard. I have even encountered this issue while the computer was running from the install disk. I'm pretty sure software, ram and third party devices can be eliminated from the possible causes. The computer continues to run after the screen goes black. I am connected to it right now using screen sharing, so I know the computer is still working. Putting the computer to sleep and then waking it up temporarily brings the screen back until its next random blackout. I have opened the computer to replace a dead HD, so I suppose it is possible that I knocked something in the process, but I did that back in December and the problem is a relatively recent development. I would really prefer to fix this myself, if I could only figure out what the problem is.
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Mar 31, 2010
I have been experiencing some unusual problems with my imac. While on the internet today my computer crashed on me twice, the first time the screen just showed a bunch of vertical lines, the second it flashed some random colors then went black. After the screen change the computer was unresponsive. I have a bad feeling, is it due to overheating, a bad logic board or something else. This is the first time I have ever experienced this on a mac. Has anyone had any simiar issues? Or am I up **** creek? I can't really afford a new computer seeing that I just bought an iPad (it comes Saturday). I am not sure if my computer is still under apple care and even if it was I won't get it back by the time I have to go back to college. I attached a screen shot of my computer temps.
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Apr 26, 2010
When I turn my Imac, it goes from the white screen to a black screen, then blue and then desktop. The whole process is fast, but is not normal. (at least is not like my previous MBP or the videos that I have seen on youtube) At the black screen stage, I can see some boot up information, etc, It is fast so I am not able to read it all. It looks like when booting an old windows or dos machine How can I change this? Is this normal? It also shows the screen when I shut down.
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Mar 14, 2012
When I try to type an uppercase letter using the left hand shift key, the screen background turns black and no letter appears.
Info:
iMac, Mac OS X (10.5.8), power pc
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Mar 19, 2012
I have been limping along for quite some time with a recurring problem with my PPC Flat Panel iMac G4.Sometimes when starting up I would get a black screen. The unit chimes at startup but the screen would stay black.I found that I was able to fix (temporary) the problem by removing the bottom plate and pushing the reset button under the base.(After shutting down and unplugging the unit.) after the startup chime, the screen turned gray with a folder icon in the center with a blinking question mark.After shutting down and restarting, this happened again 3 times.On the 4th shutdown/startup it went back to the black screen.Repeated shutdown/restarts have no effect.Shutting down, unplugging the unit and pushing the reset button is also having no effect.I hear the startup chime every time. Black screen every time as well now.
Info:
iMac, Mac OS X (10.4.11)
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May 1, 2012
my iMac(mid-2010) screen goes black soon after startup.i did notice some flickering about a week ago.i tried shutting it down,removing the power cord and all peripherals but it didn't help.i had done a software update a few days before the flickering started.
Info:
iMac (21.5-inch Mid 2010), Mac OS X (10.7.3)
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Mar 7, 2012
my screen keeps going black randomly but everything in the background is still playing. When i press the power button twice it will go to standby and then turns on again, but the black screen keeps getting more and more frequent. Ive tried resetting the SMC and the command+option + PR thing but nothing has worked.
Info:
iMac, Mac OS X (10.6.8)
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Mar 17, 2012
problem of getting black screen on imac running 10.6.8?
Info:
iMac (27-inch Mid 2010), Mac OS X (10.6.8)
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