OS X :: MacBook Air Ambient Light Kernel Panic

Mar 19, 2010

A MacBook air that I just got up and running again after replacing the hinges along with the whole top half of the computer. I did a clean install of snow leopard, and was so happy to be using the air again.

After changing some settings and loading a couple off apps in my room with the lights off (so I could see the backlit keyboard), I flipped on the light switch in my room, and was immediatly shown the the kernel panic screen, and was forced to shut down.

I figured this was just a random occurance, so I booted back up, but was in kernel panic as soon as snow leopard booted. Went through this a couple more times, then shut the lights in my room back off, rebooted, and was able to boot up just fine. I then took a flashlight and ran the beam across the ambient light sensor, next to the camera, and was instantly in kernel panic again.

After saying WTF for a while I decided to swap the camera/ALS/mic board over from my old screen bc I figured maybe this new one is just bad. But this resulted in more of the same. I then did a new fresh and clean snowleopard install, but about 5 mins after finishing the install, it went right back to the good old kernel panic screen.

Now I don't really know where to go from here. The computer is way out of warranty, and after what I was quoted from my local apple repair store to repair the hinges and screen that I just fixed, I think I would just get nauseous at the thought of having to bring it to them now.

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MacBook Pro :: Ambient Light Sensor Is Too Sensitive?

May 12, 2010

I've been using my mum's MPB C2D quite a bit, in anticipation of my own i5 arriving, and one thing that gets on my nerves is the ambient light sensor. It seems to be really sensitive, to the point where it will change the screen brightness when there has been no real changes in ambient light. If you move your hand over the sensor at the top of the screen, or even if someone walks past and casts a shadow it can change for a few seconds. Also, just moving the laptop around and the sensor changes the screen.

Obviously this setting can be turned off, but I'd like the feature if it wasn't so sensitive. Other than that, I love the MBP and can't wait for mine!

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MacBook Pro :: Ambient Light Sensor Not Working?

May 16, 2010

As of today, I noticed my ambient light sensor doesnt seem to work. I tried disabling and re-enabling it in system preferences, but that hasn't done the trick.

Is there some test I can do to see if it's working or not? I know it worked two days ago, because i took the i7 15" MBP outside and it automatically switched to max brightness. Today I took it outside and the brightness didn't switch at all and I couldn't see the screen it was so dark.

Since the last time it definitely worked, all I've done is install Windows 7 64-bit with Boot Camp and hooked up the MBP to an external 20" monitor with a minidisplay-DVI adapter.

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MacBook Pro :: Ambient Light Sensor Not Responding At All

Jun 23, 2014

I've had this new '13 rMBP for a little over 2 weeks now, and I absolutely love it! One small problem though, the ambient light sensor seems to not be responding, at all???

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MacBook Pro :: Display Brightness Ambient Light Sensor?

Aug 31, 2009

I thought Apple said that the brightness will go brighter when it's darker, and get dimmer when it's brighter. Why is mine doing the opposite?

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MacBook Pro :: Disable Ambient Light Sensor (auto-dimming)?

Apr 28, 2007

I've noticed that the ambient light sensor in the MBP can be somewhat sensitive. Sometimes an action as simple as moving my hands up to the keyboard (from the side) triggers the "auto-dimming" feature of the screen and it slightly reduces the brightness of the screen, then quickly returns. This is rather bothersome.

I've got the option under Keyboard and Mouse "Illuminate keyboard under low-light conditions" unchecked, but the screen still dims if you cover the speakers. I've also got the option under Energy Saver "Automatically reduce the brightness of the display before sleep" unchecked as well.

I'm at a loss here. Is there not a way to disable this auto-dim feature? A Google search didn't turn up much of anything. Surely there must be a way...

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MacBook Air :: Ambient Light Sensor That Adjust The Screen Brightness To Environment?

Oct 21, 2010

Does the new MBA still have the ambient light sensor that adjust the screen brightness to environment?(like the older MBA and the current MBP)

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PowerPC :: G5 - What Does The Ambient Light Sensor Do

Dec 6, 2008

[URL] I went here. I have found out the iMac is a 2nd gen iMac G5. It has an ambient light sensor. I put my hand over it and it doesn't appear to actually do anything.

What is it supposed to do?

Do new ones have it? I have a 20" aluminum one as well, but don't see a sensor.

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PowerPC :: Ambient Light G5 2.0 Imac Shut Off?

Oct 28, 2009

So I've done all I can find on the internet on helping my broken computer. It used to have the noisy fan issue and then it would shut off. Now after being off for 12 hours, it may shut off in 2 minutes, maybe in 30. I have reset the SMU by unplugging for 10 seconds and then plugging in while simultaneously holding the power button, then turning it on. Ive also reset the PRAM, but it still seems to shut off. Is it a bad power supply? I dont ever hear the fans blowing hard anymore.

If anyone has basic things to do, I'm all ears. I know last step is probably just reinstall OSX.

I'm on 10.4 right now.

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OS X :: Terminal Command To Disable Ambient Light Sensor?

Sep 16, 2010

My end goal is to create a script that will disable and enable the Ambient Light sensor when I plug and unplug my MacBook Pro from power.

To do this I'm pretty sure I need a terminal command to enable and disable automatic dimming as the ambient light changes.

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MacBook :: Kernel Panic - BAD RAM?

Nov 26, 2010

For the past few days (never happened before) my apps started crashing continuously and kernel panic screen started appearing very frequently. I am still wondering what may be the cause of it, then I tested my RAM with Rember, and this log showed up:

Memtest version 4.22 (64-bit)
Copyright (C) 2004 Charles Cazabon
Copyright (C) 2004-2008 Tony Scaminaci (Macintosh port)
Licensed under the GNU General Public License version 2 only

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OS X :: Macbook Kernel Panic 10.5.8?

Nov 29, 2009

I did a quick search through the forum and didn't see anything specific about this problem. It just started to occur yesterday and nothing has changed on the computer. (Nothing new installed and no external hardware plugged in.)

Basically, it just pops up with the grey screen advising to restart. Sometimes it occurs after waking from sleep, sometimes it occurs after starting up, and sometimes it occurs in the middle of a task. I haven't noticed a specific pattern.

I ran the AHT and everything passed. I also ran Rember and the memory seemed fine in the test. I reset the PRAM and VRAM and the SMC after speaking with Apple. Finally, I reinstalled the OSX clean on the machine and the panics are still occurring.

This is the last panic report from the Macbook 1,1 2.0 with 1.25 GB RAM. I'm hoping it is the RAM and not something with the logic board, but am not sure if that can be ascertained without finding replacement RAM first.

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MacBook Pro :: Kernel Panic Over And Over?

May 22, 2012

My computer had problems with display, track pad, not powering up, and lots of parts were replaced in January (MacBook Pro purchased 12.31.09).  Got it home, after a while constant kernal panics.  tried everything, brought it into Apple store yesterday, ran diagnostics, hard disk repaired, seemed OK. 

Shortly after I came home it happened again.  I repaired permissions, did verify disk, no problems with disk.  Updated software, including went to Java and Adobe and updated them. Nothing works.  Now the permissions note lots of problems with Remote Management (one of the updates from yesterday, 5.21) and Java (yesterday too). MacBook Pro OS X 10.6.8, would like to go to Lion but don't want to until my machine is stable?

MacBook Pro (13-inch Mid 2009), Mac OS X (10.6.8)

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MacBook :: Kernel Panic Upon Movement

Jan 4, 2009

I'm running a PowerBook G4 and I have recently run into some problems with kernel panic. I have bought and installed new ram, zapped the pram, and re-written the hard drive and I still have problems. The weird thing is, the computer only crashes when I move it. If I just sit still then it works fine, but if I move it from my lap to a table or something like that then I get the restart message. I have an appointment with the Geek bar tomorrow

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MacBook Pro :: Kernel Panic When Booting From CD

Aug 21, 2009

I'm having a weird problem with a 15" I bought in February (2009). I can boot up fine into the OS without any problems. But when I try to boot from the reinstallation CD to do a clean install, I keep getting a kernel panic. (And yes, I do need to do a clean install.)

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MacBook Pro :: Recurring The Kernel Panic?

May 8, 2012

I've been experiencing recurring kernel panics for at least a month now and I seem to have narrowed down the issue to the RAM. Now I'm just not sure whether it's corrupt kernel files associated with the RAM or the actual hardware itself. I've run the extended apple hardware test and the error message I recieve (within 5 seconds) is that the error is with the file 4MEM/1/40000000:0x84938218 I've downloaded memtest and run that within terminal. Funny thing about that is as soon as I type "memtest all" my macbook kernel panics almost immediately. Something about the "memory lock-up" phase". 

Other than that my computer works fine as long as I don't run too many applications at once. Often times video streaming or opening too many tabs in a web browser will do it. And you can forget about running games that will kernel panic almost immediately. here's an example of the logs I've been getting. It's not the most recent but they all say the same thing-I've checked. Interval Since Last Panic Report:

  81752 secPanics Since Last Report:          16Anonymous UUID:                    4C3B52DD-8029-42B8-8DFC-8E8A297DBE3A Fri Apr 27 21:26:55 2012panic(cpu 0 caller 0xffffff80002d1208): Kernel trap at 0xffffff8000202e44, type 14=page fault, registers:CR0: 0x0000000080010033, CR2: 0x0000008000000008, CR3: 0x000000004de24000, CR4: 0x0000000000040660RAX: 0x0000000000000000, RBX: 0x0000000000000000, RCX: 0x0000000000000000, RDX: 0x0000008000000000RSP: 0xffffff805ebfbd50, RBP: 0xffffff805ebfbd90, RSI:


MacBook Pro, Mac OS X (10.6.8)

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MacBook Pro :: Kernel Panic After Installing 10.7.4?

May 15, 2012

Unfortunately, I've installed the latest update 10.7.4 from apple. Since I've upgraded I had 8 Kernel panics happening sometimes without even touching the macbook pro.this is the latest kernel panic report :   

Interval Since Last Panic Report:  33787 sec
Panics Since Last Report:          2
Anonymous UUID:                    D509E77E-1936-47EB-9C95-EAA0CEC13E11  


MacBook Pro, Mac OS X (10.7.4)

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MacBook Air :: Mid-2011 Usually Appear Kernel Panic?

May 23, 2012

My mac air usually appear kernel panic. what the happen with my mac?

MacBook Air, Mac OS X (10.7.4)

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MacBook Pro :: Keep Getting Kernel Panic Even When Everything Is Updated

Jun 5, 2012

My MacPro keeps having kernel panic (4x in a week, then none in almost 2 weeks, then comes back again today) even when everything is updated. And I recognize that I always get the kernel panic only when I visit this one website where I usually go to stream an online movie. What could be wrong with my Mac? Is there a way to stop and/or prevent future kernel panic attack?

MacBook Pro, Mac OS X (10.6.8), around 2y.o

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MacBook Pro :: Kernel Panic On 2012?

Jun 14, 2012

I recently purchased a mid-2012 MacBook Pro (15-inch, 2.3 GHz, non-retina) and I have been receiving Kernel Panic error messages. The screen goes black with white text in multiple languages warning me to shut down my computer and the computer freezes. I have called Apple customer service multiple times. We tried multiple things, including wipe the hard drive and reinstall OS X Lion, but I still get Kernel Panics. One thing I did notice in the "send to Apple" report is that it mentions Google Chrome. It seems whenever I do get a Kernel Panic I am using Chrome. Here are the applications I have installed (besides the default Apple ones):Coda 2Final Cut Pro XTwitterGoogle Chrome Right now, as suggested by the second Apple associate, I uninstalled Google Chrome, to see if that was the cause. She says that it could be related to that or from a software update (which I doubt considering I have yet to install any updates since I reinstalled Lion). 

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MacBook Air :: Second Kernel Panic In 24 Hours

Jun 15, 2012

I've purchased my first MacBook air. This is the second crash it had in two days. The first one occured when I was watching a youtube video and the second one happened while closing Chrome (while watching a youtube video). Should I go back to the store or can I fix this myself? [code]

MacBook Air, Mac OS X (10.7.4), mid-2012

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OS X :: Unable To Understanding Kernel Panic On Macbook?

Oct 15, 2010

I have read a million different posts, forums and most places people wouldn't want to go. This Mac is being very stubborn.

I have tried booting to safe mode, running the install disk, tried to load the utility on the install disk even tried a copy of diskwarrior (but I am not sure if it was a bootable copy).

In almost every instance the machine tries to load the cd and then spits it out and I get the restart screen. A few times I get the install to load but then it takes me to a screen that says something like �startup� run or install from these device after reboot, or something to that effect.

I even tried the command, option p r. If I just hit option with no disk it will list the mac hd. The machine is about 5 years old and is running osx 10.4.1?

This isn�t my machine so I can�t answer many questions about the OS. I was given a Snow Leopard 10.5 disk that appears to have been open.

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MacBook :: Kernel Panic When Plugging In Headphones

May 28, 2009

I've noticed this happening for the past few weeks. Basically if I'm watching video on any flash website like YouTube, and I plug in headphones, I get a kernel panic. So as normal I hold the power button to shut it off. However, when I turn it back on, it will beep 2 times, then 3 times, and continue to beep until I turn it off. When I power it on again, it won't beep but it sits on the blank screen before the Apple logo shows up and basically nothing happens and my fans start to go loud. I did this about 3 times before it loaded to the Apple logo loading screen and finally booted properly. After it crashed I removed the headphones, and nothing except the magsafe charger is plugged in.

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OS X :: Kernel Panic Turning On Bluetooth On MacBook

Jun 29, 2009

I have a uMB 2.4 GHZ. Bluetooth has always been fickle on this computer (jumpy mouse), but tonight when I turned bluetooth on from the menu bar as I was about to use the computer from clamshell mode hooked up to my TV, I got my first kernel panic on this MacBook.

I am curious if it is a software issue with bluetooth or hardware. Can anyone make anything from the log?

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OS X :: MacBook Stalls At Startup - Kernel Panic

Aug 6, 2009

My husband's mac book started acting weird while I was out own town. He was unable to get it to start up, but eventually did, backed up his important data, and then I had him attempt to verify and repair permissions. I guess it indicated there were errors but could not fix them. Once again, his macbook stalls at start up and will not get past the gray screen with the apple and the wheel. Last night at this point it kernel panicked.

Today (since I'm back now) I tried to boot it in safe mode, and it still hangs. I zapped the PRAM, and that didn't help. My next step is to try and boot from his install discs, when he finds them. My question is, should I bother trying to verify and repair, or should I just do an archive & install (if possible) or an erase and install (if necessary)? This is a mac book from 06-ish running 10.4.? My hubby claims to not have installed or updated anything recently.

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MacBook Pro :: Kernel Panic - Restart Required?

Mar 15, 2010

I have a MBP, it had a flickering screen (graphics card), so I got it fixed under warranty, then about a month after the fix, the MBP refused to wake - I took it back again and it was fixed.

Now the MBP is experiencing repeated kernel panics - especially after the any system update - there were a few recently.

The only solution seems to be switching the machine off and letting it cool.

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MacBook Pro :: Kernel Panic On It, Failed On The Mac OS X While Starting Up?

Mar 31, 2012

I have a macbook pro 15'' model intel core 2 duo, with Processor VRAM 256 MB i have for a lil more than 4 years now and i recently when i tried to turned on one day my mac was starting up then all the sudden i get this message '' you need to restart your computer press the power button for several seconds untill shuts off then restart computer '' this message appear  in like 4 different languages.I did own research and found out what happened was my machine was having a Kernel Panic which never happened before, then i tried to fix it myself, and did all the steps tha i have found on the support apple website and other different steps i found in different techn support webs for mac on the web. To summed it up what i did was trying to reboot from the installation CD that came with my mac when purchased it, i also try rebooting the RAM or PRAM to see if that was the problem nothing worked, then somehow i found out this step the Apple Hardware Test  AHT which i did and the results were optimal, nothing that had to do with hardware was wrong or going bad, then i tried to reboot from

CD but my mac woudlnt read the installation CD of the Operative System, then somehow pressing down one key i dont remembered; finally the optical drive read the Installtion CD for Mac OS X, so once i got there i did a full scan of the HD( hard drive which had the Mac OS X ) to see if something was wrong, i did it and the results were that hard drive was fine and not needed repaired, but i was doing the full checking of the condition of my hard drive when on Disk Utility option on the installation CD still had to do the part of the Repair Disk permissions so i run the option Repair Disk permission and then it gave me list of archives and directories that had to be fixed and others that couldn't or something but at the end it said the disk permissions had been repaired or something like that, finally restart the computer from the hard drive so now its working and then the system gave me the report on the Kernel panic And the title of the report was  '' Problem Report for the Mac OS X Kernel '' , so far my computer is working just fine but i wanna know what i need to do now.

Problem Report for the Mac OS X Kernel Interval Since Last Panic Report:  19212787 secPanics Since Last Report: 1Anonymous UUID:B5780971-5EA5-4169-A54E-FBBA5204144A Sat Mar 31 00:36:36 2012panic(cpu 0 caller 0x001A8C8A): Kernel trap at 0x3dadd15b, type 14=page fault, registers:CR0: 0x8001003b, CR2: 0x000000bc, CR3: 0x00e92000, CR4: 0x00000660EAX: 0x2e509630, EBX: 0x03d66004, ECX: 0x03e50800, EDX: 0x00000000CR2: 0x000000bc, EBP: 0x2e509668, ESI: 0x00000000, EDI: 0xffffffffEFL: 0x00010246, EIP: 0x3dadd15b, CS:


MacBook Pro, Mac OS X (10.5.8), Kernel Panic on Leopard Mac OS X .

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OS X V10.7 Lion :: Recurring Kernel Panic On MacBook Pro

Apr 13, 2012

This issue just started a couple of days ago. I noticed something weird happening when I watching a YouTube video - the video stopped playing but the sound kept on going like nothing was wrong. Anyway I ran the Apple Hardware Test yet it detected no problems. I even went through the extended test just to make sure. I originally got this machine as Snow Leopard but upgrading to Lion.

Basically what happens is the whole screen freezes and i reboot and I am able to go about its business until the next freeze. The times that I have came back into the room to see it froze up was when the screensaver had turned on or when I was playing any kind of game it seems like it had frozen up(one time playing a game in VMWARE (windows xp). I dont know if this could be a GPU issue or not.

Fri Apr 13 22:11:01 2012
panic(cpu 1 caller 0xffffff7f80a45907): NVRM[0/1:0:0]: Read Error 0x00003250: CFG 0xffffffff 0xffffffff 0xffffffff, BAR0 0xd2000000 0xffffff8080f55000 0x084700a2, D0, P2/4
Backtrace (CPU 1), Frame : Return Address
[Error Log] .....

Mac OS X (10.6.7), OpenGL

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MacBook Pro :: Shuts Off During Reboot After Kernel Panic?

Apr 29, 2012

After a kernel panic, the MacBook pro shuts off during a reboot, even a safe reboot

iMac, Mac OS X (10.7)

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MacBook Pro :: Kernel Panic After Thunderbolt Update

Jun 11, 2012

I have a one year old MBP.  A few minutes ago I installed the Thunderbolt Update that Apple released today.  At the conclusion of the update, it said it had failed to install and that I needed to restart the Mac.  On doing so, I got a kernel panic.  And now every time I try to boot, I get a kernel panic. 

Mac Pro, Mac OS X (10.7.2)

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