MBP (pre-multitouch) display won't turn on.

Hello, I have a MBP (purchased in February 2008, the last model before they introduced multitouch trackpad features). 2 days ago, I went to wake my computer from sleep, but the display would not turn on. I checked the brightness, and then rebooted. The computer turned on, but the display still remained off. I could still operate the computer using my keyboard shortcuts (for example, playing music through iTunes) with the screen completely off, so the computer itself is still working. After many attempts, the screen came back on after a reboot. I then managed to run Onyx, Disk Warrior, and also checked to see if I needed the 1.51 firmware update discussed in other posts regarding this issue, which I did not. Currently, the display is not turning on. How can I resolve this issue? Any help would be greatly appreciated.
-P.

For my MBPro earlier this year it was more than the newest comparable model ($AUD2500 for the repair) - lowest of the 15" models. Fortunately mine was covered under accidental damage insurance on my house contents insurance (a drink spillage) so was replaced by the insurance company. But if there had been no damage caused by me Apple would have repaired it at no cost as I had Applecare. Interestingly they wouldn't have given me a new computer even though the end cost would have been less!
Neville

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Macbook (2.1Ghz white 2008 model) display won't turn on during start-up

hi all,
my problem is pretty simple.
Sometimes, after having used an external display with my Macbook (using the Apple Mini DVI > DVI adaptor: http://store.apple.com/au/product/M9321G/B?mco=MTY3ODQ5OTY ) the Macbook's own display won't power on during the next boot-up. I can hear the hard-disk start up, and the system boot, and I'm even able to navigate my way into the user login and shut the computer down (all via the keyboard). So the computer is definitely powering up (and in a seemingly normal way), but the display isn't.
For example, last night I was using an external display with my Macbook. This morning I plug the display back into my Mac Pro, then power-up my Macbook. But the Macbook's display won't turn on. It's as though it thinks the external display is still plugged-in. I know, that if I re-connect the external display, the Macbook's login page is displayed, but only on the external screen.
The problem only arose after I started using this particular external display (a cheap 22" BenQ, model G2222HDL 'senseye 3'). I wouldn't normally use the display with my Macbook, but my Mac Pro has a **really** noisy optical drive (CD/DVD), which makes watching films pretty unbearable (if you're into sound anyway, which I am).... so until I get my Mac Pro's drive sorted (when I have a few spare days when I won't be needing it), I'll have to continue using my external display with my Macbook to watch films.
My Macbook's specs are as follows:
2.1Ghz Intel Core 2 Duo Macbook (2008 model - I think, maybe 2009?)
4Gb RAM
Running OS X 10.5.8
Are there any known display issues with these models of Macbook? Or are there any software/firmware updates that address any display issues?
In general, I don't update the software/firmware unless I need to, or unless something doesn't seem to be working properly.
However, I've just checked Software Update, and noticed there is an SMC firmware update (1.4). So I might give that a go and see if the problem persists.
However, the problem is intermittant, and kind of unpredicatable, so I might not know for a while if it solves the problem or not.
Has anyone else had a similar problems?
Alternatively, is there a possibility there is some kind of virus or file-corruption causing this problem?
My girlfriend has a similar model of Macbook (which she's never had any problems with). Recently I moved a whole bunch of files from my Macbook to hers, and she noticed that hers had a similar issue starting up, where the display failed to turn on.... so it seems like
a) it might be a common-ish problem in this model of Macbook
or
b) perhaps I've got some kind of virus on mine?
I've been using Macs for about 15 years (yet, I don't consider myself a computer expert, when it comes to the technical details). In those 15 years, viruses have never really been a concern to me, as I've never really thought they were much threat to Macs. However, I guess, as Macs get increasingly more popular, there's a possibility people will write more Mac-specific viruses...?
Anyway, I'm open to suggestions : )
Regards,
Sam
PS I've tried:
-re-starting the computer multiple times (which sometimes works, but usually doesn't).
-re-setting the SMC (which usually works, but not always)
-plugging/un-plugging the external display to try and jog the computer into noticing it isn't connected (which doesn't work)

let me ellaborate on this part:
"b) perhaps I've got some kind of virus on mine?"
I mean, " perhaps I've got some kind of virus on mine, and I've passed it on to hers?"

Display won't turn on even though my Macbook Pro detects the display

I've had a long running issue with this but now rather than intermittantly, it just won't work at all. I have a 17" Mackbook Pro running Lion and an older style aluminium 23-24" cinema display (the boxy one). The problem also exited under snow leopard. I used to arrive home, pull my MBP out of my bag, place it on a stand, plug the power, USB for my keyboard and mouse and display cable (inculing the USB and firewire) and hit the keyboard and my display turned on and off I went. But now when I try to do that, I get the light on the display flash once and then the display appears to be dead. I'll go into detect displays and it's there and detected but I can't for the life of me figure out why I get no response from my monitor other than one flash from the little power light. Anyone know how I can fix this? Is there a fix or is it a hardware problem? I've zapped the PRAM and done an SMC reset. No dice.

This is a long-standing problem we've all been waiting on a fix from. I was rooting for the EFI update this morning to fix it, but no love.
I have a MBP 15" early 2011, with a 27" Cinema Display (the last pre-Thunderbolt one)... and periodically, when returning from somewhere and plugging the Mac back in, it acts like it's seeing the monitor, but just doesn't display.
I've found, after a year of this, that the following all helps:
1) leaving nothing else plugged in while first plugging in the display. Don't hook up the power or USB, don't have anything plugged into the USB hub on the back of the monitor, or it won't ever detect.
2) Just keep trying... leave the MBP open, plug in the display port and nothing else... if the big monitor doesn't turn on, but the MBP display flips to "I'm an extra display" mode, unplug, wait for it to go back to "MBP is solo display" mode, then repeat... eventually, for me at least, the big monitor will turn on for real, then I can close the MBP and all is well.
This is sucky, but it does eventually get the 27" to show something.
The other symptoms are all the same... when it's doing this, the computer thinks it's displaying to the 27", USB and power are being sent to the MBP just fine, audio's working... just nothing is actually on the display.
Oh, and for me, it also does it sometimes when the 27" goes to sleep, so I have the syspref set to "never sleep"... it goes black from the screen saver, but never turns off, 'cause then it's iffy if it'll come back on.
I'd LOVE for them to eventually fix this... it's something in either the MBP firmware, the monitor firmware, or just something wrong with one or the other that isn't fixable... but it'd be nice to know.
In the meantime, I rarely use my MBP as anything other than a desktop nowadays, so I leave it plugged in, don't let the monitor sleep, and all is well.

Cinema display won't turn on

So my cinema display will not turn back on if I have it on, remove the cord from computer then try to put the cord back in. However if I put the usb back in and put my mouse in the cinema usb port the mouse still works. I restarted my computer and the display turned back on but I am afraid of ever taking the cord out again. My main computer is a MacBook Pro.

I have an early 2011 MBP and a 27 inch Cinema Display. Sounds like I am having the same issue. So far, no solution.
If I unplug the MiniDisplay port cord (All Original Apple cables) from the computer, when I try to replug in the MiniDisplay Port cable - the Cinema Display does not activate. I must try several unplug-replug ins to get the Display to light up. Usually takes about 10 attempted unpluggings and replug attempts for the display to come to life.
An SMC reset - has not effect.
I am now on my second Cinema Display - My first display was replaced at the Genius bar - they said it had a defective "logic board". The second display - operated normally for about 6 months, but over the past month has been exhibiting these same problems. I still have a bit of time before the one year anniversay for the Display so the warranty is still valid. Given that this is the same issue that happened with the first display - I guess I will need to buy the extended warranty. Don't like the idea of having to pay to have this problem fixed on a regular basis.

MBP loses MM then won't turn on

I open the cover to wake the computer, MM that is still turned on and was working previously won't work. Shows as still connected in menu and in preferences. Sometimes turning it off and on works. When it doesn't, I try shutting off BT from the menu bar icon. Get the spinning wheel for a while, sometimes it will shut off after a minute or so. When it does, it won't turn back on from either drop down menu on menu bar or BT preferences pane unless I restart. Preferences takes almost a minute to open up. Ideas? PS I read here about a "fix" to the mouse involving bending something around the off/on switch with a butter knife. Couldn't make out what that meant.

If a battery in a MBP has failed, it still should be able to operate with the power adapter. Both failing simultaneously, though possible, is very unlikely. I cannot see any other option but to take the two hour ride and have the Apple technicians determine the problem.
Ciao.

When I close my Mac Book when its on a- The display won't turn back on whe-

When I close my Mac Book while it is on and leave it on while closed for long periods of time and then I open it, the display will not turn back on- why?

Does it turn on when you do something like hit a key or click the mouse? Or do you need to restart? If the former, forget about it, except try clearing the pram/nvram. (commandoption+pr on startup till it bongs a few times). If the latter and if the step above didn't work, you've got a problem that might be solved by doing an archive & install.
Message was edited by: Jonathan Kurtzman

Display won't turn back on after battery dies

I have a Macbook Pro Intel Core i7 and am running OSX 10.7.5
Everytime I am using my computer and the battery dies, the display will not turn on after I plug it in again. I have tried to wait until the computer has charged up a good amount, but when I wake the computer back up after dying, the macbook startup sound plays and the LED light shines bright as if it were on, but no display. I have also tried click and pressing different buttons on the keyboard to see if this would wake it up, but no success. I have had to do hard restarts everytime this happens because it is the only way to get my display working again.
Any help is appreiciated. Thanks!

Reset SMC.
http://support.apple.com/kb/HT3964
Choose the method for:
"Resetting SMC on portables with a battery you should not remove on your own".

IMac (Late 2013) screen display won't turn on [RESOLVED].

I just fixed the problem of my iMac screen not starting after calling AppleCare and thought I'll share the solution here as I could find no answer relating to this model of iMac, and the memory reset solution (see below) appears to have been archived by Apple. At the time of writing this, I am running OSX10.10.1 (Yosemite). The advice I was given is as follows.
Turn off your Mac by holding the power button for a few seconds to cut the power.
Removes all cables, including the power cable, USB cables, thunderport cable, everything. Also remove any dongles plugged into the iMac or into any other devices, I think an inactive wireless mouse dongle plugged into my USB keyboard caused the problem for me. Then plug in the keyboard and power cable and power up. If that doesn't work, turn off again and proceed as follows:
With one hand on the keyboard, at the same time hold down Command-Option(Alt)-P-R. With those four keys held down, use the other hand to press power button, keep those four keys held down for maybe 30 seconds. The computer should then start and restart a few times. This process resets NVRAM and/or PRAM (cached memory), I'm not sure which.
If this does not work, repeat but hold down Command+R instead to put your iMac into recovery mode. With any luck, it will now start up the display and run OSX Utilities from which you can restore, reinstall, and a few other things, but before you do, go to the Apple menu (top left) and choose instead to do a normal restart. In my experience, it then started up as normal and now works fine.
If none of the above works for you, then you probably have a hardware problem. If you have AppleCare take it to your nearest Apple Store (with your serial number, found on the box) or they can collect it and it will take about ten days. If you don't have AppleCare, take it to an Apple Store and expect a bill to pay.

sgmcb,
It looks like you've covered everything you need to do. It could be any number of things, but logic board seems the most likely. Not a cheap repair.
Don't take my word for this. Bring your MBP to your local Apple Store/Genius Bar and have them take a look at it. They won't repair anything, but they might be eliminate a few possibilities.
I just hope you post the results of your visit, in case others have a similar problem in the future!

MBP early 2008 display won't calibrate any profile besides generic RGB?

I've been experiencing some issues with my early 2008 MBP when it boots so I recently reset the SMC and the PRAM. I've now noticed that my display's color is off, so I went to display settings and it was set to "generic RGB profile" and shows all of the others (Adobe RGB 1998 is what I've always used) but when I try to calibrate them it comes up with the error message "The factory profile for the display could not be found."
Is my display going out? I don't understand this... I've already gotten the logicboard replacement through the recall a couple months ago so why would this be happening?

Hi Fred,
3.) I had a scenario with my MacBook about two years where the unit would not start up. It just flashed the SLI (Sleep Light Indicator) over and over again. At the time, I didn't feel comfortable with all the technician aspects of the unit and brought it into the Genius Bar for triage. After 20-30 minutes at the bar, the technician inserted a CD-R into my machine and proceeded to do "something" (couldn't see) and then turned the machine around to me as it sat at my desktop view. His response: "I restored your firmware, it was corrupted."
No idea... what he did... but whatever it was the problem went away and never once came back even after an EFI firmware update 8-9 months after the experience.
4.) Isolating the issue to the "Nvidia MLB" is difficult, because there are some scenarios (apparently) to how those units are screened for coverage. Again, another experience... my roommate had a 15" MacBook Pro that wouldn't start up and on power on would just boot to no video with a solid white SLI. He brought the unit into an Apple store where they run a diagnostic off an iPod. "Based on the results of the test" conducted they determined that they were going to cover the unit (even though it was out of warranty). They did indicate to him that the test was necessary to determine if the unit was eligible for repair. No idea what was performed during the testing, or if the unit had an affected Nvidia board. However the MLB was replaced and the machine has been working great for almost a year now.
As you've probably figured out, at this point, the next best course of action is to get the unit into a service provider and have them work their magic.

MBP has no video - won't turn on

Hello,
I have an MBP that is about 3 years old now. I recently tried to wake it from sleep to no avail.
Now all I can do is turn it on to a black screen. The small white led in the front button is on, but the main display is black. Also i cannot use any keyboard shortcuts to use the keyboard backlights.
When I power on i do hear my optical drive or fan spin but no chimes.
The battery may need replacing as the status has inconsistently been labelled as "service battery" or "replace battery" and it has undergone 300 or so chargecycles.
Thanks.

There is a known issue with Late 2007 and Early 2008 MBPs related to heat-related failures of defective nVidea 8600M GT graphics chipsets. See info on the Repair Extension Program (REP) here:
http://support.apple.com/kb/TS2377
Note the article speaks of the problem affecting external monitors as well and the built-in. That is a good way to check. Get (borrow, whatever) an external monitor and see if the image comes up on it. If it does, you don't have the nVidea problem and the trouble is likely in the display itself or the cabling going to it.
If you can't get an image on the external, then you need to see an AASP for evaluation. Note that some AASPs and even Apple Store "geniuses" are not aware of this program and you MUST print out the page I linked and take it with you. The repair means a complete logic board replacement, and it's a good idea to back up everything before taking the computer to the hospital.
If you manage to get the computer running before getting the computer to the doctor, use System Profiler to inspect the "Display/Graphics settings. If "PCIe Lane Width" reads anything other than "x16," you have the nVidea curse.
The program has been extended from, originally, two to three years, and in July was moved out to four years from date of purchase:
If the NVIDIA graphics processor in your MacBook Pro has failed, or fails within four years of the original date of purchase, a repair will be done free of charge, even if your MacBook Pro is out of warranty.
Some people have said taht the test done at Apple Store may not pick up the required "failure flag" if tested cold. Have the tech let the computer run for about 15 minutes before they test.
300 battery cycles is considered a "rich, full life" for an MBP with silver keys. It's probably died a natural death.

After updating to iOS 8.3, iPhone 6, navigation display won't turn on.

navigation display used to come on prior to turns and exits when the phone is plugged in. I still get voice alerts but no display.

OldGnome:
Blu Logic seems to keep a virtually invisible support presence on the internet. I did return to the aftermarket installer of the unit. He told me pretty much the same as you. Apple expects the equip. manufacturers to keep up with iOS. It's a bit of a Catch-22. Perhaps iOS 9 will exterminate the bugs!!
In the meantime, the only thing I've really lost is hands-free dialing for bluetooth calls in my car.

24" apple display won't turn on

I have a new Mac Pro with one GT 120 video card. I have a 30" apple cinema display hooked up to the dvi port and working fine, but when I connect my 24" cinema display to the mini display port it doesn't turn on. Doing 'detect displays' doesn't find anything, and nothing seems to show up in the display control panel. I've tried restarting. I know the 24" display works fine because Ive used it with my macbook. Does anyone know what the problem is?

Just unplugging the 30" and plugging in the 24" doesn't seem to work. The 24" stays blank even if I plug in it's USB cable (the speakers on the 24" work when the USB is plugged in though!).
Is it possible the mini video connector on my gt120 is bad? That seems unlikely since the rest of the card is working fine.
Thanks

Display won't turn

My screen does not turn when I turn the ipad. The display is frozen.

I keep this handy for a copy and paste scenario like this. It was originally typed for system sounds, but the screen lock works the same way. See if this helps your situation.
If you lose sounds for keyboard clicks, games or other apps, email notifications and other notifications, system sounds have been muted.
System sounds can be muted and controlled two different ways. The screen lock rotation can be controlled in the same manner as well.
Settings>General>Use Side Switch to: Mute System sounds. If this option is selected, the switch on the side of the iPad above the volume rocker will mute system sounds.
If you choose Lock Screen Rotation, then the switch locks the screen. If the screen is locked, you will see a lock icon in the upper right corner next to the battery indicator gauge.
If you have the side switch set to lock screen rotation then the system sound control is in the task bar. Double tap the home button and in the task bar at the bottom, swipe all the way to the right. The speaker icon is all the way to the left. Tap on it and system sounds will return.
If you have the side switch set to mute system sounds, then the screen lock rotation can be accessed via the task bar in the same manner as described above.
This support article from Apple explains how the side switch works.
http://support.apple.com/kb/HT4085
If your screen is actually frozen - try a restart or reset.
Restart the iPad by holding down on the sleep button until the red slider appears and then slide to shut off. To power up hold the sleep button until the Apple logo appears and let go of the button.
Reset the iPad by holding down on the sleep and home buttons at the same time for about 10-15 seconds until the Apple Logo appears - ignore the red slider - let go of the buttons.

Display won't turn off after locking.

My 701 running on belle fp1 doesn't turn off the display after locking the phone?
It's just keeps the display always on.
Restarting solves the problem but this is happening again and again.
Please solve this Nokia.
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-----------------------------Appreciate by clicking on white star.----------------------------
Solved!
Go to Solution.

No,
I noticed that popclock at the top left yesterday when I pressed the menu key after lock.
Actually I have lot of apps installed on the memory card like games and apps.
After firmware reinstall at Nokia care, I inserted back my memory card and copied all mass memory backup from my pc.
After stating the phone after inserting memory card, phone started to display installing without cancel button and I got back almost all of the apps.
Maybe this is caused the popclock or Nokia bubbles to show and turn the display always on.
Today I had no problem at all.
-------------------If this post helped you, click on accept as solution.------------------
-----------------------------Appreciate by clicking on white star.----------------------------

My 15in. macBook pro display won't turn on. it stays black. i hear the hard drive working but the display won't show anything :( Is there a way 2 reboot my laptop 2 try

My 15in. Macbook Pro's monitor will not turn on anymore. when i press the power button to turn it on, the hard drive and everything but the monitor turns on. it is just a black screen and it doesnt even look like its trying to turn on . Can anyone tell me how to reset or reboot my laptop? I wanna try to see if that will take care of the issue before i drive an hour to the Apple store and have to pay xxx amount of $$$s for thm to tell me i need a new laptop. Please HELP!!!

try a reset first. Shut down, unplug for at least 15 seconds then plug and wait 5 seconds and restart.

MBP (pre-multitouch) display won't turn on.

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