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Sudden lack of brightness

9

90miles

macrumors member
Original poster
Jul 23, 2012
59
0
Hello all, long time follower and proud retina mbp owner here,

My issue is that my notebook suddenly adjusted its brightness to a really low level and I can't seem to change it, if I repeatedly press the brightness buttons up and down the screen gets well lit again but go bad when I stop pressing, any help will be greatly appreciated,

Thanks in advance,

90miles
 
If its not plugged to a power supply than its probably auto dimming it to save battery power.

Check this link

uncheck bottom 2 options, see if that helps
 
It is connected to a power source, I've tried unplugging and plugging back in, rebooting, everything, could not come up with a solution....
 
Check your Energy Saver options under System Preferences. Have you edited any of the options that are in there before?
 
I did not, The problem started yesterday when I left a web page opened and went to shower, naturally the computer was sleeping whenI got back, so I waked it up and there I was stuck with a dark screen
 
I am trying to understand - you're saying that your screen is completely black and you cannot see at all, or that you brightness is dimming?
 
Sorry if I was not clear, my screen to the lowest possible level but it is still on.
 
90miles said:
Sorry if I was not clear, my screen to the lowest possible level but it is still on.
Click to expand...

Well the lowest possible level is pretty much dark and you literally have to hold the screen at an angle to even see. Have you tried the system setting changes mentioned above?

Are you typing on it now?
 
I've tried messing around withnthe sttings but failed to achieve any success, I'm typing on my iPad as the rmbp is unusable for now
 
90miles said:
Sorry if I was not clear, my screen to the lowest possible level but it is still on.
Click to expand...

That's okay, but you can still see right? There is a difference between the lowest possible level and being stuck on the black screen after pulling the computer out of sleep mode.
 
I can see it and if I keep going up and down with the brightness controls ot gets all the way to maximum, the thing is, it goes all the way back
 
I'll clean install it and let you guys know....it is gonna take a life to download as I am currently in a hotel room in Brazil though
 
Last edited:
After three unsuccessful attempts at downloading the OS I've got to the point where I am questioning if there is another possible solution, if there is, please point me to it.
 
90miles said:
After three unsuccessful attempts at downloading the OS I've got to the point where I am questioning if there is another possible solution, if there is, please point me to it.
Click to expand...

I am not sure, perhaps take it to an Apple Store if you have one locally and see what they have to say about the matter.
 
Dark Void said:
I am not sure, perhaps take it to an Apple Store if you have one locally and see what they have to say about the matter.
Click to expand...

There are no Apple stores down here, managed to get an HDMI cable from management and am using it in clamshell mode.....could this be an SMC related matter ? Thanks for the attention so far guys.....
 
90miles said:
There are no Apple stores down here, managed to get an HDMI cable from management and am using it in clamshell mode.....could this be an SMC related matter ? Thanks for the attention so far guys.....
Click to expand...

If you have not done so already, you can go through the basic motions such as a SMC reset and what not - I am thinking your problem may be deeper than that though, something along the lines of faulty internal hardware.
 
Dark Void said:
If you have not done so already, you can go through the basic motions such as a SMC reset and what not - I am thinking your problem may be deeper than that though, something along the lines of faulty internal hardware.
Click to expand...

If it is an internal failure I am gonna be pissed off, I'll not see my beautiful Saint Louis based home for a couple of months and am not spending much more than a week between places so it will be hard to get assistance, I'm also not willing to pay 5k on a similar machine as this is the price of the computer down here.....I really hope you are indeed wrong
 
90miles said:
If it is an internal failure I am gonna be pissed off, I'll not see my beautiful Saint Louis based home for a couple of months and am not spending much more than a week between places so it will be hard to get assistance, I'm also not willing to pay 5k on a similar machine as this is the price of the computer down here.....I really hope you are indeed wrong
Click to expand...

I very well may be, not trying to scare or discourage you from fixing the issue, but if a reinstallation of OS X did not work then it sounds internal and hardware related of course.
 
Dark Void said:
I very well may be, not trying to scare or discourage you from fixing the issue, but if a reinstallation of OS X did not work then it sounds internal and hardware related of course.
Click to expand...

The thing is, I could not complete the reinstallation process, the download failed three times, I suspect the wifi I'm on is not only slow but capped........way to go hilton
 
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