Computer is on but screen is dark.

While using computer (in Aperture) screen went dark. Computer sounds like it's "ON" but lights are out. I tried restarting with the button in back, unplugging/replugging in, holding down startup button for many seconds, tried the Command-Option-R-P trick after pressing startup button, but nothing works. Help!

Hi Maria,
If your iMac appears to be booting but you don't have any video, you may want to take a look at the troubleshooting steps in the following article:
Apple computers: Troubleshooting issues with video on internal or external displays
http://support.apple.com/kb/ht1573
Regards,
- Brenden

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Experiencing Black screen/ Computer is on but screen looks like it is off.

Well recently i have been noticing that the screen on my all in one desktop has been going dark. Not like the usually hibernating kind of dark screen but more so computer it off screen. There was even a point in which i was in a messaging program and the screen went really dark in the middle of my typing. No messages about the graphic failing or anything like that showed up so im abit scared that my computer may be dying. I have been rummaging through this support forums and looking for people with similar issues and i came across something that said the Bios may need to be updated of something to that extent. SO, i have been trying to figure out how to do that but when i search my product no updates show up or anything so im beginning to think my product has become obselete. That being said how would i go about getting these update i so crucially need and how can i prevent my computer from dying. All help will be greatly appreciated and i do need a computer because my family is starting a business and this computer is a vital role in said business.
*Key Details*
- HP Pavilion 20-b210z All-in-One CTO Desktop PC (ENERGY STAR)
- Screen has been Fading/going black
- Looking for info on how to update BIOS
- Preformed a factory restore i January if i recall correctly.
- Also when i go to the support page i cant even identify my machine
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Hi @Xhinzo,
Here is the product page for your computer. You can check the Software and Drivers section and use Option 2 if it's not able to detect your specific product, then select your operating system and see what's available.
When the screen goes dark, if you shine a flashlight on it can you see anything in the darkness? I'm wondering if it might be a hardware problem -- maybe the backlight is going out. Have you tried using an external monitor or connecting it to your TV, to see if the darkening problem occurs on a separate screen?
Please click the thumbs up button to say "Thanks!"
Clicking "Accept as Solution" on a reply that solves your problem makes it easier for other people to find solutions.
I am an HP employee.

TS1367 My computer starts up but displays a dark screen

MY computer turns on and you can hear it load up but only displays a black screen.

Hi Josi86,
Welcome to the Apple Support Communities!
I know that it is both frustrating and concerning when your computer does not start up as you would expect. In this situation I would recommend working through the troubleshooting steps and information located in the attached article.
Resolve startup issues and perform disk maintenance with Disk Utility and fsck
Have a great day,
Joe

I am trying to get my Dad's computer to turn on. It's a 17" IMac that was bought around 2007. Today it just won't turn on. When u hold the power button down, the white light comes on in the lower right hand of the computer but screen stays dark.

It have tried pulling cord out if the computer and then plugging it back ...it still won't turn on. Pls help...next step

Try using the resetting SMC procedure
http://support.apple.com/kb/HT3964
You may have done something similar already, but do it precisely as described. You should disconnect ALL peripheral devices, except for Apple keyboard and mouse.
Also, when you plug it back in, if the iMac is currently plugged into an old (or overcrowded) power strip (surge suppressor), try connecting it directly to a wall outlet by itself.

Computer turns on but screen doesn't work

I turn the computer on and it sounds like it comes on but the screen doesn't come on...?

Read this.
MacBook Pro: NVidia Failure

HT1937 My iPod is working fine , syncing with itunes but screen still dark and not responding !! Please help thanks

hello everybody , I have an iPod touch 4g . Now a few days ago it got wet in water . i didnt notice that but when i came to know , i saw it very hot . i kept it away in open , after some time it cooled down but it was dead . it wasnt turning on . then i searched it on net for fixes... finally i tried the rice method , i kept it in rice filled in a sealed box for 1 full day . now i kept it in charging ...its syncing with itunes and making that sound but the screen is stilll dark and wont respond . What should i do ? please help! thanks

Apple will exchange your iPod for a refurbished one for $199 for 64 GB 4G and $99 for the other 4Gs. They do not fix yours.
Apple - iPod Repair price
A third-party place like the following maybe less. Google for more.
iPhone Repair, Service & Parts: iPod Touch, iPad, MacBook Pro Screens

Nano works great BUT screen remains Dark?

Everything works great, music transfers, playing BUT my screen remains very dark (but just light enough to see all the menu's and songs!). Messing with the backlight setting has no effect. Am I missing something or is it damaged?
I've updated the software and also used the restore feature but nothing can get it back. It's a 4G colour nano.
Any ideas?

also - i connected my digital camera straight to the monitor via USB and it doesn't display. I've never tried that before with my camera, but it seems like if the monitor is powered on, connecting it to the camera would cause the pictures stored in the camera to show up on the display.

Screen turns black, computer is running, but screen stays black...

Hi Everybody, i could do with your help...
I will try to discribe the problem,.. if the screensaver comes on after 15 minutes, and i try to wake the computer, the screen turns black, like it would when turned off... you can hear the computer is on and running, but nothing on the screen, touching the mouse pad, or any button on the keyboard will not wake the computer... if i than close the lid, i can see the little white light and when i reopen the lid.. nothing.. sometimes briefly like a millisecond or so, you can see the screen on, but than goes to black again....
Any ideas??
it does not happen when working on the computer, only when it comes out of screensaver, or if left alone for longer than 30 minutes or so.... really strange...
Anyway, your help is appreciated!!!

Harry,
Did this just start happening after your update to 10.6.3? There is a thread over in the OSX Snow Leopard area about the backlight not coming back on after sleep that might interest you. Here is the link ( http://discussions.apple.com/thread.jspa?threadID=2384628&tstart=0 ).
Hope this helps,
BCB

24" iMac aluminium screen black? can here computer is running but screen is totally...dead, black... can even see on my other imac that it is visible on bluetooth... however, sharing is not turned on on blacked out imac? Help please.

I can hear the computer is running, sounds normal. I can even pick it up on my other mac via blue-tooth. However sharing is not turned on blacked out iMac so can't even access it through my working

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IMac G4 screen remains dark

my 17' G4 iMac USB 2.0 (10.4.11) screen froze and the following messages appeared:
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as well as lots of the following lines:
"Unresolved kernel trap (cpu 0) 0x600 Alignment DAR" etc
Had to shut it down by using power switch. Pulled out all cables except for mouse + keyboard.
I can start it - but there is no start-up chime and screen remains black.
Tried safe boot, no response. Tried to open drive door during start up for putting in hardware test disc (mouse held down), door won't open.
Tried PRAM, no response. Tried PMU reset, no change.
Removed extra RAM I had fitted years ago and tried to start it. After I did that the iMac responds
with a 4 x beep morse code signal after turning it back on, but screen remains dark.
Also tried to start in target mode, but other 27' iMac does not "see" G4 iMac.
Anyone has any thoughts ? Don't want to get rid of this machine, I love the design.
Thanks
Walter

There is some likelihood of a hardware failure, to include
perhaps, the logic board; some kernel panic issues on an
iMac G4 could point to such an event.
Not certain if checking out such a machine at that stage is
possible with the original Apple Hardware Test, since that
relies on viewing evidence of the results in said computer.
• What do the beeps mean on startup?
http://www.welovemacs.com/whdoallthbme.html
{After Oct 1999 the four-beeps signal appears to mean a
different symptom, according to the above page...} *4 beeps =*
*no good boot images in the boot ROM (and/or bad sys config block)*
• *Power On Self-Test Beep Definition* - Part 2:
http://support.apple.com/kb/HT1547
• Technical Note TN2063: Understanding and Debugging Kernel Panics
http://developer.apple.com/mac/library/technotes/tn2002/tn2063.html
• Resolving Kernel Panics:
http://www.thexlab.com/faqs/kernelpanics.html
While it may not be a major melt-down, you could be in for
a project at some point in the future if you start looking into
finding other similar iMac G4s (they are getting scarce) to
use either for parts or as spares should their needs go there.
I have two running iMac G4 1.25GHz 17" & one in-op for parts.
A skilled and willing computer shop tech could probably
test the computer further, but some shops would rather
you buy something newer from their retail store. In some
cases, you may be able to get a working iMac G4 17" 1.25
for a few hundred dollars; if lucky, one in fine shape.
Perhaps one of the techie folks who frequent these forums will
see your post & offer their insights, based on experience.
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HT201412 Screen is dark

My iPad screen went dark. Still dark when I try powering on and off. Tried charging, hear the sound but screen stays dark, doesnt react to button - any idea?

Frozen or unresponsive iPad
Resolve these most common issues:
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    •    Touch screen not responding
    •    Application unexpectedly closes or freezes
http://www.apple.com/support/ipad/assistant/ipad/
iPad: Basic troubleshooting
http://support.apple.com/kb/TS3274
 Cheers, Tom

When i click on my external hard drive the screen goes dark and a msg pops up saying i have to shut down my computer by holding the power button and then restart it. when i do that i get the same result every time. it worked perfectly last night..

when i click on my external hard drive the screen goes dark and a msg pops up saying i have to shut down my computer by holding the power button and then restart it. when i do that i get the same result every time. it worked perfectly last night..

These instructions must be carried out as an administrator. If you have only one user account, you are the administrator.
Launch the Console application in any of the following ways:
☞ Enter the first few letters of its name into a Spotlight search. Select it in the results (it should be at the top.)
☞ In the Finder, select Go ▹ Utilities from the menu bar, or press the key combination shift-command-U. The application is in the folder that opens.
☞ Open LaunchPad. Click Utilities, then Console in the icon grid.
Ifou don't see any reports listed, but you know there was a panic, you may have chosen Diagnostic and Usage Messages from the log list. Choose DIAGNOSTIC AND USAGE INFORMATION instead.
In the Console window, select
DIAGNOSTIC AND USAGE INFORMATION ▹ System Diagnostic Reports
(not Diagnostic and Usage Messages) from the log list on the left. If you don't see that list, select
View ▹ Show Log List
from the menu bar.
There is a disclosure triangle to the left of the list item. If the triangle is pointing to the right, click it so that it points down. You'll see a list of reports. A panic report has a name that begins with "Kernel" and ends in ".panic". Select the most recent one. The contents of the report will appear on the right. Use copy and paste to post the entire contents—the text, not a screenshot.
If you don't see any reports listed, but you know there was a panic, you may have chosen Diagnostic and Usage Messages from the log list. Choose DIAGNOSTIC AND USAGE INFORMATION instead.
In the interest of privacy, I suggest that, before posting, you edit out the “Anonymous UUID,” a long string of letters, numbers, and dashes in the header of the report, if it’s present (it may not be.)
Please don’t post other kinds of diagnostic report.
I know the report is long, maybe several hundred lines. Please post all of it anyway.

I pod touch 5th generation was working fine died so i charged it. Now that it is charged when i hold the power button the screen turns dark blue if it on and the apple logo is about to appear but it never does nor does anyother picture. If i hold the

I pod touch 5th generation was working fine (Not sure what the last ios i downloaded was it should be ios 8 or higher). The battery died so i charged it. Now that it is charged when i hold the power button the screen turns dark blue as if it's powering on and the apple logo is about to appear but it never does nor do any other type of images on the screen. If i hold the home button Siri will say "Siri is not available please connect to internet" but there is still no image on the screen. I've tried holding down the home and power button it restart it but doing this just gave me the same results. How do i fix this problem? What's wrong with my i pod?

Try:
- iOS: Not responding or does not turn on
- Also try DFU mode after try recovery mode
How to put iPod touch / iPhone into DFU mode « Karthik's scribblings
- If not successful and you can't fully turn the iOS device fully off, let the battery fully drain. After charging for an least an hour try the above again.
- Try another cable
- Try on another computer
- If still not successful that usually indicates a hardware problem and an appointment at the Genius Bar of an Apple store is in order.
Apple Retail Store - Genius Bar

When I power up my mac, I see the white screen and the apple icon. After a few seconds of powering up the screen goes dark. Yet I still can the mouse arrow but nothing else.

When I power up my Imac, I see the white screen and the apple icon. After a few seconds the screen goes dark. I am able to still see the mouse arrow as I move it around. But nothing else. What is the problem and how do I recover?

Try this from another user:
1. Shut the computer down by holding the power button for 10 seconds
2. Restart the computer and press shift at the same time until you see the progress bar start moving
3. Once you reach the point where your screen goes dark and you see the cursor, type the first letter of the username for your computer, then hit Enter, then type your password, then hit Enter.
4. After a moment, you should see the spinning beach ball
5. Your screen should then move on to something along the lines of "Completing OSX Installation" (I can't remember the exact wording). Let it finish. After that it should go to your normal desktop and the issue should be fixed. (If your screen goes pitch black during this process, hit the space bar. I thought it wasn't working, but the screen was just sleeping).

Computer is on but screen is dark.

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