Screen Getting Darker

I have a 3.06 GHz Intel Core 2 Duo that i bought in November of 2009. i've noticed in the last month or so that about have of the screen is a little bit darker. there's more light on the right side of the screen than the left side. Does someone have an answer to this? thanks.

JMVD,
Seems to me that you're quite the Apple expert. I had this problem with my eMac. Since, I am not American or English I hope I can make the problem chrystal clear.
I think I had the same problem with my screen. A few days ago I left my eMac running while not using it. After a while the screen became dark due to the "sleep modus setting" of course. This is not the first time this happens. Only this time after activating the eMac again my screen was so much darker. So of course I changed the screen setting (calibration) at the system preference menu. It improved the brightness of the screen but I noticed that it still was not normal. I said to myself: as long as I can work with it than it would be no problem. But then last night I forgot to shut down my eMac and again the screen got darker. This time I tried to change the setting again. Again the calibration process but I saw that I am using the maximum brightness and I got irritated by the quality of the color. And furthermore if the screen would get darker the next time I already used up the calibration / brightness possibities.
So I went looking for help at the apple site. And I found your discussion. And I just tried the command option o f advise of yours etc etc etc. After the automatic restart only the grey screen (background) with in the centre the apple logo appeared.
Your advice was very simple so I just went for it. I hope I did not erased the whole unit. Please tell me what I should do know. Also I saw the screen (grey back ground / apple logo) was kind of dark. But, I never look at the screen when I start up the eMac. Maybe I am imagining this.
I hope you can help me with this. Unfortunately, I do not have the apple care protection plan.
Thanx.

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Have you tried resetting the PMU? The PMU (Power Management Unit) has control over the backlight function, so resetting it may help.
<hr>
If not, sometimes the inverter cable causes a black screen (no backlight). If this is what is wrong, the display may work at odd angles. Try opening (and/or closing) the display a bit to see if that helps.
If that doesn't help, it sounds as if you may need to replace the inverter board. I'd be inclined to think this is the problem because your description seems to indicate a gradual loss of the backlight.

Screen gets darker

I cant find anything like this on the forum but perhaps I just missed something. For months now every 2 or 3 weeks the bottom right, bottom centre or the whole screen gets a bit darker. Normally if its part of the screen it get better after an hour but after a while even that does not happen. In the end resetting the PRAM or PMU is the only way to go to sort it out. I calibrate my screen every few days but always check before doing so that the screen has not gone dark again. Now I think this all started when bluetooth did a vanishing act as well. The computer tells you the hardware does not exist any more! This all started after one of the many 10.3 updates. Might not be all related to each other but thought best to mention it. Any ideas? When I say the screen goes darker I mean it goes greyer. There is no colour tints.

Thank God other people have noticed this probelm as well! I too have been having this problem for about the last two month. Though, I noticed it after I purchased my iSight camera. I would certainly hope that this issue can be resolved quickly and does not become another "nano-issue."
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HT201406 When I open a web page the screen gets dark and not responding

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Try clearing Safari's cache : Settings > Safari > Clear Cookies And Data (Clear Cache on iOS 4) and also Clear History
If that doesn't work then try closing Safari via the taskbar and then re-open it : from the home screen (i.e. not with Safari 'open' on-screen) double-click the home button to bring up the taskbar, then press and hold any of the apps on the taskbar for a couple of seconds or so until they start shaking, then press the '-' in the top left of the Safari app to close it, and touch any part of the screen above the taskbar so as to stop the shaking and close the taskbar.
A third option is a reset : press and hold both the sleep and home buttons for about 10 to 15 seconds (ignore the red slider), after which the Apple logo should appear - you won't lose any content, it's the iPad equivalent of a reboot.

E-mac screen getting darker with time? part 2

(continuation of old thread with same title, since that one was closed)
Steve A. - Any update on the repair? you were going to try several components. I find with my darkening screen, i can sometimes restore full brightness by "sleep" and wakeup.
e-mac Mac OS X (10.2.x)

JMVD,
Seems to me that you're quite the Apple expert. I had this problem with my eMac. Since, I am not American or English I hope I can make the problem chrystal clear.
I think I had the same problem with my screen. A few days ago I left my eMac running while not using it. After a while the screen became dark due to the "sleep modus setting" of course. This is not the first time this happens. Only this time after activating the eMac again my screen was so much darker. So of course I changed the screen setting (calibration) at the system preference menu. It improved the brightness of the screen but I noticed that it still was not normal. I said to myself: as long as I can work with it than it would be no problem. But then last night I forgot to shut down my eMac and again the screen got darker. This time I tried to change the setting again. Again the calibration process but I saw that I am using the maximum brightness and I got irritated by the quality of the color. And furthermore if the screen would get darker the next time I already used up the calibration / brightness possibities.
So I went looking for help at the apple site. And I found your discussion. And I just tried the command option o f advise of yours etc etc etc. After the automatic restart only the grey screen (background) with in the centre the apple logo appeared.
Your advice was very simple so I just went for it. I hope I did not erased the whole unit. Please tell me what I should do know. Also I saw the screen (grey back ground / apple logo) was kind of dark. But, I never look at the screen when I start up the eMac. Maybe I am imagining this.
I hope you can help me with this. Unfortunately, I do not have the apple care protection plan.
Thanx.

Is your screen getting darker?

Is anyone else experiencing the screen on their MacBook Pro getting darker and darker? I can't brighten it up with the contrast button, and while it's not totally black - it's really dark and hard to see. I tried downloading this correction:
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But when I try to open it, it says that this file isn't supported on my computer. FYI - I'm got a MacBook Pro, and am running OSX 10.6.8

Asking if anyone else has seen this isn't likely to get you anywhere. If you find out someone else has seen it, you still haven't learned anything other than that someone else has had the same problem. If you're wondering if it's a common problem, it is not.
As to the update mentioned by that link, that sounds like a different problem. And if it won't install on your machine, that's because your MBP is not one of the affected machines. Updates like those will only install on specific hardware.
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JMVD,
Seems to me that you're quite the Apple expert. I had this problem with my eMac. Since, I am not American or English I hope I can make the problem chrystal clear.
I think I had the same problem with my screen. A few days ago I left my eMac running while not using it. After a while the screen became dark due to the "sleep modus setting" of course. This is not the first time this happens. Only this time after activating the eMac again my screen was so much darker. So of course I changed the screen setting (calibration) at the system preference menu. It improved the brightness of the screen but I noticed that it still was not normal. I said to myself: as long as I can work with it than it would be no problem. But then last night I forgot to shut down my eMac and again the screen got darker. This time I tried to change the setting again. Again the calibration process but I saw that I am using the maximum brightness and I got irritated by the quality of the color. And furthermore if the screen would get darker the next time I already used up the calibration / brightness possibities.
So I went looking for help at the apple site. And I found your discussion. And I just tried the command option o f advise of yours etc etc etc. After the automatic restart only the grey screen (background) with in the centre the apple logo appeared.
Your advice was very simple so I just went for it. I hope I did not erased the whole unit. Please tell me what I should do know. Also I saw the screen (grey back ground / apple logo) was kind of dark. But, I never look at the screen when I start up the eMac. Maybe I am imagining this.
I hope you can help me with this. Unfortunately, I do not have the apple care protection plan.
Thanx.

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Hi Steffen
On my old Tecra notebook I have had similar issue. From time to time the display started to flicker. One day after standby mode the display was completely dark. I was able to se that there is some open window but there was no background light.
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Too bad, well run I'd recommend running Apple Hardware Test in Extended Mode at least 2-3 times in succession. If errors appear then you have confirmed a hardware fault and the machine needs to be taken in for repair.
Out of curiosity why did you buy it in the US and what country do you live in? I have seen (as recently as yesterday) a user buy a machine in the US to try and save money, then take it to another country (Brazil) where Apple does not have an Apple Store. That user now has a repair issue and must deal with a reseller he did not buy the machine from.IMHO not a good way to begin a business relationship.

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Solved!
Go to Solution.

You need to load the operating system software to your PC, first... before you can install it to your device.
Good luck, post back here if needed. Those instructions will work. Follow them exactly as written.
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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
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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 have a late 2009 imac i am having issues with my screen flickering and getting dark

i have a late 2009 imac 21 inch i am having problems with my screen flickering ND GETTING DARK DOES THIS MEAN THAT MY COMPUTER IA FAILING

I have partly the same problem (Sceen blackening) sparodically.
2010 iMAC with I7 CPU and ATI Radeon HD 4850 512 MB Graphics.
If I lower the brightness to around (3 or sometimes 4 of the on screen squares F2) the issue does not happen at all. I prefer a bright screen.
The issue commenced immediately after instaalling OS X 10.8.2 update one year ago.
The current software is OS X 10.9 (13A603)
The graphics on this computer are always first rate when working properly even at maximum brightness
There are particular days and times when the problem routinely occurs.
Some of my neighbors with iMacs have similar problems.
I live adjacent to the City of London in an area where new building seems to be developing faster than the various utilities and there are known Power Network issues. Professional surge supressors make no difference.
I live in a large property with four independent ring mais. The issue is present on all four rings. I have yet to take the computer elsewhere to possibly eliminate power issues from the problem.
I am reluctant to replace an otherwise fine top of range iMac which otherwise serves me well since the same problems might be present.

Screen Getting Darker

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