Please leave me a positive feedback after you are happy with the answer. This LED will be ON when the computer is turned on and video signal is being generated. This i mac is Model A1311 mid 2010 21.5" Answered! It's making a whirring noise so it's doing something. have a peek here
Connect with us facebook twitter CNET Reviews Top Categories Best Products CNET 100 Appliances Audio Cameras Cars Desktops Drones Headphones Laptops Networking Phones Printers Smart Home Tablets TVs Virtual Reality Wearable Boot to single user mode (hold ⌘ S while powering on the Mac) Type and hit return: /sbin/fsck -fy Type and hit return: /sbin/mount -uw / Type and hit return: rm Give it a good 30 seconds, and tell us how many of the 4 LEDs are lit.But I'm afraid that your friend is likely going to need a new iMac in It was suggested that it might be a dying logic board but I tried a Apple Hardware Test this morning but it said no problems found.
R share Share on Twitter Share on Facebook Email Link Like + Quote Reply celticpride678, Jul 8, 2010 celticpride678 Guest Joined: Feb 15, 2009 Location: Boston, MA #2 Try resetting Are you using Firefox as your browser per chance? Electrical Propulsion Thrust Does the ISS have a rotational motion in addition to its translational motion? By krislord in forum Ask a Question Replies: 1 Last Post: 12-03-2013, 10:09 AM NO icons displayed on ipad2 screen except newsstand icon By sameep007 in forum Jailbreaking, Unlocking, Hacks, Themes
The instructions above should be followed VERY carefully, with attention paid to spelling and spacing, as there aren't many safeguards in single user mode to prevent you from deleting otherwise necessary replied6 years ago. iMac Posted on May 6, 2011 11:17 AM Reply I have this question too Q: iMac 21.5 has black screen on startup - please help!! Imac Boots Up To Black Screen Trendy New Videos 93.727 görüntüleme 2:23 iMac LCD Screen Repair - Süre: 2:53.
As soon as there was any acceleration it would bork. –Steven H Mar 13 '14 at 11:44 @ Andrew: You're right, after that he should recover his files from Newer Than: Search this thread only Search this forum only Display results as threads More... Example at http://www.dttservice.com/imacintel.htmlHope this helps,Bob Flag Permalink This was helpful (0) Collapse - I'm just saying by Jimmy Greystone / April 13, 2010 4:25 AM PDT In reply to: If you Yesterday everything worked fine in my computer, and this morning when i turned it on, the screen stays black.
Apple's Ring in the New Year Activity Challenge: What you need to know! Imac 20 Screen Goes Black After Startup If you did then it's telling you have a System sensor error (4SNS). a non-working keyboard and no external controls on the iMac?P Flag Permalink This was helpful (0) Collapse - There are, by mrmacfixit Forum moderator / April 11, 2010 9:59 PM PDT I clearly explained that it was doing strange things before the screen stopped working completely.
It cost me $579 to get it fixed - that'll teach me not to get AppleCare Click to expand...
I let one of them sit for about a half hour, it was still warm to the touch. navigate here I tried connecting an external monitor and it works, but because its not the principal one i can't get the preferences window to open or any window to open. Hi,Today I received my new iMac and all excitement dissapated the moment I tried booting up my iMac for the very first time.There is a noise coming from the iMac (guess If it was under AppleCare, the repair would be free. My Imac Screen Is Black When I Turn It On
This might mean that the thing causing your troubles is also kept intact. I guess it has a sensor in it and dims whenever the sun is shining in. Should he restore from a Time Machine backup or just drag and drop files? http://3swindows.com/black-screen/computer-black-screen-on-startup-windows-10.html I've made an appointment at the Apple Genius bar tomorrow for them to look at it.
Roderick Vonhögen 318.244 görüntüleme 5:29 iMac LCD Panel Cleaning Shadows/dust - Süre: 6:34. Imac Black Screen Of Death This LED will be ONwhen the computer is communicating properly with the video card. I believe it is an issue that Lion has with the Mozilla settings, as I learned from other forums.
mavericks imac screen share|improve this question edited Mar 14 '14 at 0:51 asked Mar 13 '14 at 7:14 James Wise 146115 There is no such thing as 10.9.x so How can I stop Alexa from ordering things if it hears a voice on TV? Düşüncelerinizi paylaşmak için oturum açın. Imac 27 Black Screen On Startup Forums iPhone iPad Mac Apps Games Features Reviews Virtual Reality Help & How To Question & Answer Contests Shop now!
Dombowerphoto 17.986 görüntüleme 6:10 Daha fazla öneri yükleniyor... Cancel The All-New Pro Tech Toolkit The high performance electronics repair kit. Plug it back in and turn it on. this contact form Loustechworld 53.125 görüntüleme 4:57 How toTake Apart an iMac - Part 1 (Remove Front Panel) - Süre: 7:09.
Ask Your Own Mac Question Customer: replied6 years ago. We'd been having problems with it which were very similar to when my Macbook disk went, so I thought that I'd do the hardware tests. 20 minutes into the extended version, Danny Schuster 26.896 görüntüleme 1:24 Burn the VGA and Fix your iMac - Don't Pay Shitty Problems!!! - Süre: 21:08. Learn more You're viewing YouTube in Turkish.
Ask Engineer John C. Lil' Johnny Appleseed 11.061 görüntüleme 2:53 iMac 27" Repair - Removing the Glass, Ram, and LCD - Süre: 3:42. Just let us know what Apple said the problem is. Go into your display settings in System Preferences and make sure they're set to reflect the native resolution of your iMac display.
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Graycomputerman 121.185 görüntüleme 5:17 Apple Parts | iMac 27-inch (A1419) GPU/Videocard Repair - Süre: 7:42.