OS X :: Mac Pro Starts Up But Display Remains Blank?
May 28, 2009
A few days ago I began having trouble with my Mac Pro (Dual Proc. 2.8 Ghtz, 2 GB RAM, DVI display, OS 10.5) It would not wake up after going to sleep. I did the PRAM and SMC resetting thing, and I thought it had worked, but now just two days later, the computer does turn (the bell rings a la Wall-E and everything) but the display remains blank. I plugged the display into a MacBook pro and it worked fine, so I'm guessing the problem is the DVI port. 3 questions arise:
Does anyone know of a sure-fire way to find out if the DVI ports ARE the problem? I did hook up the computer to a Power Mac (G4 running OS 10.4.11) in transfer mode, and the HD did load, I also performed the first aid thing on it and everything came back positive.
Does anyone know if changing the DVI ports is simple enough to do, or should I definitely leave to a professional? (I am fairly familiar with putting stuff in and out of it)
Should I buy the DVI card directly from Mac or can I get by with a less expensive brand?
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Oct 17, 2009
I have a problem with my iBook. I press the power button, it starts but the screen remains blank.
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Aug 14, 2006
I have had my g4 for about two years and all of a sudden the thing decided that it's not going to turn on anymore. Power is getting to the machine and a certain amount of whirring is heard but not the signature! as it starts. The screen remains blank and would stay like that all night if I let it. The only thing I did differently before this appeared was to take it to work in a different bag a few times. Rucksack before, Side bag (more vibration).
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Dec 2, 2009
I was browsing the internet, not doing anything major, put the computer to sleep, came back 10 minutes later... black screen. I messed with it for an hour or so and determined that the video card went bad (I'm guessing. It's a mid 2007 macbook pro with the nvidia geforce 8600m. My secondary monitor remains black as well). In the midst of totally freaking out, I decided to activate the voiceover utility, enable screen sharing (after figuring out a slew of keyboard commands I didn't know about), and logged in from my girlfriends computer.
I immediately closed all the windows and applications that I had inadvertently opened during the blind wtf session, and opened up system profiler to see if it is recognizing a video card. Well, it is! It's listing the video card as a GMA x3100! Is there a secondary card in there? Cause if there is, it's not working either. Or is that just a default they would put in if it doesn't recognize a video card? Doesn't seem likely. Or, because I'm using screen sharing, is it picking up my girlfriends card? It's not, because she's using a GMA 950. Maybe it's splitting the difference?
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Jun 25, 2014
My 2008 Mac Pro display remains black after start up. It is plugged in properly and the light comes on, but the screen stays black. It first started doing this about a week ago, but after a manual restart or two, it would start up properly with the display working. Today the display has remained black every time I've tried to start up.Â
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Jun 22, 2014
I'm trying to connect my rMBP13 (OS X 10.9.3) received a couple of weeks ago to my desk display (LG Flatron W2486L) through apple's DVI-mini display port adapter.
Here is the results:
The MBP freezes a couple of seconds (I guess normal) after plugging in the mini display connector in one of the thunderbolt ports, but nothing happen on the external display (no signal).
The MBP sees the display: from "system preferences>displays" I see the MBP sees the external display and recognises the model "W2486"; but it seems to me that the display doesn't see the MBP...Â
I've tried to restart the MBP, but with the same result.Â
(I've ben using the display through the DVI port with my old PC, so it works).Â
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Jul 3, 2009
I recently upgraded from my Macbook to a refurbished Macbook Pro and since the day I got it it has been giving me problems. Applications quite suddenly all the time and the system freezes and runs sluggish. The biggest prob is the display. It goes black and won't come back on. Sometimes when it goes blank you can see faintly if you look carefully and you can hear sounds. It slowly deteriorates from a once a week occurrence to a daily one until it won't turn on at all. I reinstall everything once a month. I took my computer to the mac store they ran all the diagnostic tests they have and said it is not a hardware problem. I have now wiped out all of my non-apple applications and the problem is back.
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Sep 1, 2007
My 2002 iBook G3 notebook with OS X3.9 started acting up on me finally! 2 days ago I turned it on and it sounds like it is starting up normally, but when the screen comes on, it just stays lit up and black - I tried everything, from trying to adjust the brightness, to restarting it a zillion times to completely draining the battery and then restarting it again, nothing seems to work right! I thought it may be the backlight, but then the light does come on, and stays on - the apple logo on the back stays lit up even when I close the notebook.
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Mar 17, 2012
My MacBook Pro's display and keyboard don't seem to work. The laptop turns on you can hear the hard-disk sound but there is no display at all and the keyboard too does not work ie. the caps light the num-lock light do not turn on. However the flicker white light blinks as does the charger and battery pilot light. Tried SMC PRAM to no use. As its a blank screen don't even know if the trackpad is working. Bought my MacBook pro in 2006, 15".
Info:
MacBook Pro, iOS 5.0.1
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May 3, 2012
i turn on my macbook pro but 9 beeps and display blank
Info:MacBookPro, Mac OS X (10.7.1)
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Oct 31, 2008
I have a last model G5 with dual 2.5ghz and 4.5 gigs of ram. It also has the 7800gt video card.After I start it up it runs for about 15 minutes and then the display goes blank and the system fans go full out. I've tried resetting the PRAM, PMU, VRAM, all of those things...the last thing I have is the video card to test.Also the power supply was just replaced by a Apple Repair Center under extended warranty.
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May 12, 2007
After packing away my little brothers sawtooth 400Mhz with 384mb RAM and an 8Mb ATI AGP graphics card and then unpacking it I've been having a problem. When starting the computer up the screen shows nothing at all I have tested to see if the screen is broken and it seems to be functional. I think the card itself might be broken? BTW, I'm using the VGA slot and not the DVI slot on the back. I have also removed and cleaned the card just incase that might've been the problem.
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Jul 22, 2008
So for the first time in over a year since I purchased it, my iMac crashed twice.The first time was this morning, i went to do something and the screen went black, and my secondary display got black and white lines. I had to restart. And the boot screen with the apple logo hung around for a while.
Then, later on the screen went whacky after trying to wake it from sleep (not full sleep just display sleep) and had a bunch of moving lines and then I couldn't see anything. So luckily I got a picture. After restart, it seems fine.I'll call apple care in the morning, but thought i'd try my luck here.
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Oct 28, 2009
I have a MacBook Pro 13 for portability to my classes at the university and a Dell 2209WA as an external monitor. One of the few good IPS monitors I could find around for cheap.
The monitor works fine in mirror mode with the MacBook Pro, but as an external display only it does not work. It attempts to wake up and then you see power savings mode again and the screen goes black as if there was no connection. Not sure what exactly the problem here is. Drivers?
The monitor works great with a Mac Mini I have and it works great in mirror but not in external display mode(the lid of the MacBook Pro closed). Anybody know of this issue? The cable is good and the MacBook Pro is not that old(a few weeks).
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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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Sep 4, 2014
Teaching in Netherlands. When connected to wireless, signal bars are full but Macbook does not display any page just a blank page. Itunes and App store both work fine.Â
My windows notebook and Android phone both connect to wireless.No proxy options are ticked.Ran the Assistant Diagnostics: Selected Wireless, Network settings, ISP, Internet, Server went green/red then back to green with messafe saying Network Change detectedRestarted routerRemoved wifi network and reconnectedRan wireless diagnostics, nothing shows up Renewed DHCP LeaseChecked the Ipv4 and Router address - both begin 192.168.178.xThere are two DNS Server numbers - checked both and they are related to the ISP
Dont have ethernet cable to check wired connection
Info:
MacBook Pro with Retina display, OS X Mavericks (10.9.4)
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Sep 2, 2008
My Safari homepage is blank. Bookmarks and toolbar are there but my Earthlink page and address bar are blank. The Safari version is 3.1.2 and the OSX is 10.4.11 My Internet Explorer (which I rarely use) and Firefox are working fine.
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Nov 28, 2009
have followed what steps I could for the Q mark page in Apple.....former owner was a bank and was toldthey wiped the system..but I cannot get SL to load (family pack-although for macbook-difference?)...holding the c button, the ? will turn to a gray screen, but eventually the disc ejects and ? returns
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May 16, 2012
After updating to Mac OS X 10.7.3 (and continues with 10.7.4), after sending an email it remains in the draft folder and I need to delete it manually.
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May 26, 2012
My emails just the name of the sender remains bold even after I read the email, making it look like it's not been read. Is this the way it's suppose to look or should the boldness go away?
Info:iMac
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Jun 26, 2012
I slept my MacBook Pro last night and can't wake it? I have rebooted and no bing sound is made. The screen remains black. The volumn keys blip. It is as if it is still locked in sleep mode!
Info:
MacBook Pro, Mac OS X (10.5.4)
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Jun 24, 2014
A "slight flutter" this morning: sending messages take longer than usual, but they're getting out; I know because I've received responses to them.
However, Mail still shows them in the Outbox, and even gives me the warning "Couldn't send with selected server."Â Â
-repair permissions?Â
-get a new email server?
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Nov 5, 2010
I have a new macbook air 13'' 2010.I'm using windows through bootcamp.hen I close the lid the screen keeps on.
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Sep 28, 2009
I've been asked to take a look at a friends white macbook that won't power on. I've tried resetting the smc etc., with no joy. The battery charge indicator shows 1 fully lit green light and the magsafe connector also is green. Pressing the power button doesn't do anything, no lights, beeps etc. I've tried another power adapter and the magsafe light remains green when connected but the battery still shows 1 green led. Considering the macbook thinks its charged but the battery isn't, is this a dead logic board? Or something else? This macbook is well out of warranty.
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Jun 21, 2010
Whenever I unmount something it remains on the desktop and sidebar, yet isn't actually there if I try to double click on them. So, it unmounts them, but still says they're there. And the remain so until I restart I assume. CDs/DVDs/DMGs and all. Probably should add, when I go to unmount them the first time, I get "An unexpected error occurred (error code -36)
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Apr 15, 2012
From one moment to another my itunes turned silent while playing a song. It still shows that the songs are playing, however there is no sound. it is not my macbook which is on mute because music on youtube etc still works..
Info:
MacBook Pro
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Jun 4, 2012
imac a1225 shimes but screen remains black... what can I do?
Info:
iMac, Mac OS X (10.7.4)
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Jun 28, 2012
I have a 2009-2010 27inch iMac with OSX and software fully updated.My Mac started shutting down or going into deep sleep when left on.I've tried rebooting, power long hold, checking cords etc.I've attempted the 5 second hold after disconnecting the power cord, plugging back in and start no luck.I hear a very small click inside when I long hold, sometimes a very faint spinning sound but nothing else.The fan came on once after a start attempt but nothing else happened. I can't seem to safe start because the screen remains black.
Info:
iMac, Mac OS X (10.6.8)
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Jan 2, 2010
I have a problem: when I restart my Early 2008 MacBook Pro there is no "chime" and the screen remains black. The keyboard doesn't light up or respond to any input, and worse still, the "lid button" light on the front of the notebook remains illuminated, it doesn't blink, it just stays on, shining in my face. I loaded a CD into the optical drive to see if I could use the keyboard to eject it, but this test failed. Now, when I turn on my MBP, I hear the optical drive spinning and the quiet whirr of the fan inside.
I looked on Apple's support website about what to do when a Mac refuses to boot. I tried all of the methods they listed, but since my Mac doesn't respond to keyboard input, all of the techniques failed. Having exhausted everything I could think of, I decided to post here hoping someone could suggest something. I was just on the verge of completing my portfolio website and I would like to salvage my data at least.
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May 11, 2010
I have recently gone cold turkey on QWERTY in favour of the Dvorak keyboard layout, to see if it's really all that it's cracked up to be. However one thing really bugs me, and that is when entering my password in the log-in window, the keyboard remains in QWERTY mode. This is especially annoying because I have actually switched the keycaps on my keyboard to the Dvorak format, so I have to rely on my muscle memory to type my password in QWERTY when I'm logging in after a restart.
Does anyone know how to fix this so that the log-in window is in Dvorak format as well? I am the only user of this computer, so if a fix exists that applies to all users, well, that doesn't matter - as long as I can still undo it later on if I decide QWERTY is better after all. (basically, I want to make the Dvorak layout a system-level default rather than just a user-level default)
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