Beeping noises of the same pitch and the screen remains black

My laptop is making consistent beeping noises of the same pitch and the screen remains black, what can I do to fix it?

See these related kb articles:
Power On Self-Test Beep Definition - Part 2
Intel-based Mac Power On Self Test RAM error beeps

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Our brand new quad core imac will not start up. We hear a drive and fan noise but the screen remains black. Any suggestions?

The computer shut down on its own while we were gone and will not start up again. When we press the power button we hear drive and fan noises but no chime and the screen remains black. Any suggestions?

A pretty common thing for computers that have been shipped is a RAM chip becoming dislodged just enough to cause what you are describing. Try re-seating your RAM chips. Basically just pull them out and push them back in. Take a look at this article if you need some direction on this: http://support.apple.com/kb/HT1423

Caps blicks continously and the screen remains black.

When I turn on my laptop, the screen remains black and only the Caps lock LED blicks continously. Please help me solve this problem.

See these related kb articles:
Power On Self-Test Beep Definition - Part 2
Intel-based Mac Power On Self Test RAM error beeps

IPhone black screen does not show anything, but I can hear that the device works. I hear the lock open the screen and hear the iPod but the screen remains black

IPhone black screen does not show anything, but I can hear that the device works. I hear the lock open the screen and hear the iPod but the screen remains black!!

It's happened to me before as well. Try holding both lock(top right) and home buttons simultaneously until u see a slight flash of wight then just reboot it normally. If that doesn't work try restoring your device from itunes

When using my iMac the screen turned blue and so I turned the compute off. When I turn on again power does get to the computer but there are no chimes and the screen remains black. Any advise please. David

When using my iMac the screen turned blue and so I turned the compute off. When I turn on again power does get to the computer but there are no chimes and the screen remains black. Any advise please. David

Hello DJJOC,
Thanks for using Apple Support Communities.
To start troubleshooting this issue where your iMac's screen will not illuminate, please reset your SMC by following the information outlined below.
Resetting the SMC for Mac Pro, Intel-based iMac, Intel-based Mac mini, or Intel-based Xserve
Shut down the computer.
Unplug the computer's power cord.
Wait fifteen seconds.
Attach the computer's power cord.
Wait five seconds, then press the power button to turn on the computer.
Note: For Intel-based Xserve computers that are not responding, you can shut down locally, or by using remote commands, or by pressing and holding the power button for five seconds.
Intel-based Macs: Resetting the System Management Controller (SMC) - Apple Support
Take care,
Alex H.

My iphone 4 fell in the toilet 4 days ago and it's been drying in rice since. now when i plug it in, the screen remains black but it will vibrate. is this a good sign or is all hope lost for getting it to work again?

My iphone 4 fell in the toilet 4 days ago and has been drying in rice ever since. I tried plugging it in today and the screen remained black but it did vibrate when i switched it to vibrate. Is that a good sign? Or should I just give up hope already?

well good sign or good sign maybe a strong word
it mean that not all of the device have been damaged by the fluid
but it does not really mean that the screen will ever work again
when drying in rice make sure you don't
1 conceal it so the vapor can't escape or it will not dry enough
2 make sure to leave in on a heating source like a heated floor or radiator to speed up the proccess of the vaporising

My iphone died and when I plugged it back in to charge it when it powered on the screen remained black. I can hear when I receive a text and a hear siri. I have tried holding down the sleep and home button

My iphone died & I plugged it back in to charge when it powered on the screen remained black. I can hear when I receive a text and siri. I have tried holding down the sleep and home button and restoring in itunes neither worked. The screen on the phone is cracked but has been working fine until now. Please help!!!

Here's how to perform the restore:
HT1414
If you can actually get to restore, maybe (I estimate a 0.01% chance) you'll be able to do a backup before the restore. Actually, from the symptoms you describe, I suspect a restore won't work either and you'll need to do a recovery.
Just in case, if you need to recover (restore fails), here's how. Note you may have to try to get into recovery mode more than once.
http://support.apple.com/kb/HT1808

My iPod touch won't turn on. I have tried plugging it in to charge, but and the screen remains black. I have tried restarting/resetting it to no avail. I would really appreciate your help. Thank you.

My iPod touch won't turn on. I have tried plugging it in to charge, but and the screen remains black. I have tried restarting/resetting it to no avail. I would really appreciate your help. Thank you.

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

IPOD touch Screen is blacked out. I charges and itunes recognizes it, only the screen remains black. Is there any way to fix this Problem. I have the latest software update and I restored it several times, but screen remains blacked out.

My IPOD touch 4th gen screen does not display. The software seems to be working and itunes recognizes the device. I have restored it and reset the IPOD several times but the screen is still black. What can I do to fix it? your help is very much appreciated. I do not have access to an apple store since I am stationed in Afghanistan.

If you restored to factory defaults/new iPod (you did not say the type of restore your performed) and are still having the problem that indicates a hardware problem. An appointment at the Genius Bar of an Apple store is in order..

Replaced lcd and digitizer screen remains black can see through itunes

Long story short, had to replace front panel glass, LCD worked, when disassembled LCD stopped working, sort of. I can barely see what I think is the password screen but it is not bright enough to enter password.
I can see everything through iTunes. Just cannot get the screen to not stay black
Help!!

Frozen or unresponsive iPad
Resolve these most common issues:
    •    Display remains black or blank
    •    Touch screen not responding
    •    Application unexpectedly closes or freezes
http://www.apple.com/support/ipad/assistant/ipad/
iPad Frozen, not responding, how to fix
http://appletoolbox.com/2012/07/ipad-frozen-not-responding-how-to-fix/
iPad Frozen? How to Force Quit an App, Reset or Restart Your iPad
http://ipadacademy.com/2010/11/ipad-frozen-how-to-force-quit-an-app-reset-or-res tart-your-ipad
Black or Blank Screen on iPad or iPhone
http://appletoolbox.com/2012/10/black-or-blank-screen-on-ipad-or-iphone/
What to Do When Your iPad Won't Turn On
http://ipad.about.com/od/iPad_Troubleshooting/ss/What-To-Do-When-Your-Ipad-Wo-No t-Turn-On.htm
iOS: Not responding or does not turn on
http://support.apple.com/kb/TS3281
iPad: Basic troubleshooting
http://support.apple.com/kb/TS3274
 Cheers, Tom

My iPhone had half of it's battery remaining and I loked it and when I tried to unlock it the screen remained black. I have tried all of apples tips and none work.

HELP ME I NEED MY IPHNE FIXED ASAP!!! Thanks :)

As I don't have a clue what you have done, because I don't know what "all of Apple's tips" are, the best I can do is refer you to this tip that I created: What to do if your iPhone will not turn on

My computer got wet with water, the light of the charger turns on orange when it is plugged and the computer turns on but the screen remains black. What should I do?

what should I do?

Take it in for assessment:
Genius reservation http://www.apple.com/retail/geniusbar/
on-line https://getsupport.apple.com/GetproductgroupList.action

HT201263 My Ipad worked perfectly and one day it went dead. It won't power up and I have tried the tips online. The screen is black. It has been charged.

My Ipad worked perfectly but one day it would not power up and hasn't in a couple of weeks. I have tried the tips on line and have put it on the charger but the screen remains black.

I suggest booking an appointment with the genius bar, there most likely is a hardware problem with the iPad. Apple will replace the iPad if it is in warranty. If it isn't in warranty they will still replace it with a price

Does the screen turn black during an Apple Hardware Test?

My iMac screen has started turning black randomly. I searched the forums for advice about what to do an have tried
1. Unplugging everything and rebooting after waiting a while.
2. Resetting PRam (3 times.)
3. Running AHT.
The last test is running at the moment and I set it to Extended mode having noted that the test would probably take over an hour to complete. After five minutes the screen went black and I'm wondering how to tell when the test is complete and if this is normal procedure or a result of the original problem.
I know that the test is still running because I just heard a fan briefly surge, but pressing the keyboard or clicking the mouse does not wake the display.
Will I get some audible indication when the test is done, and if not how should I proceed since the only way to shut the computer down seems to be to hold the Power button for an extended time, or to pull the plug. If I have to resort to these options is there a way to view whatever results the AHT test determined?
Thanks for any help.

Thanks for responding. Could you say whether or not I can expect a notification of the end of the test. I had to shut down the computer using the power button because the screen remained black 90 minutes after the test started. I couldn't see any results for the test I did.
If this pattern continues would you try reinstalling the OS before sending it off for repair?

In youtube the youtube site the video screen remain black (video does not play picture or sound)

When I go to youtube.com and try to play a video the screen remains black. Neither video nor sound. It used to be ok until sometime ago. I don't know what caused it to stop functioning. On my other computer it is ok.
I use: Windows XP PRO tablet pc edition version 5.1 (built 2600.xpsp_sp3_gdr.100427-1636: service pack 3) 32 bit
IE 8.0.6001.18702 128 bit
Flash Player 10 plug in 10.0.22.87
Activex 10.1.85.3
Can anyone help please?

Two things to try:
update the plugin to 10.1.85.3 as well
disable hardware acceleration (Flash Player Settings)

Beeping noises of the same pitch and the screen remains black

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