Backlight shuts off when booted on Leopard Install DVD

Booting my macbook pro on the optical drive (by holding the "C" key at power up),with the Leopard install DVD causes the backlight on the display to shut off. Reboot with the OS on the hard disk (OS 10.4) and the display works fine. Playing with the screen brightness keys has no effect on the backlight when booted on the DVD. I also did a pmu reset (remove battery and hold the power button for 5 seconds) The display functions normally during regular use, It only happened when booted on the leopard install DVD. I was able to complete the install with a 2nd display connected to the dvi port and the display now works properly when booted under 10.5. Just wondering if anyone has seen this behavior or has an idea of the cause.

I have the same issue. Can some one please help? Thanks

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My iMac (2007) keeps shutting off when in Full Screen mode (DVD, iTunes Visualizer, etc.) This only happens when I have an external monitor hooked up HDMI.

My iMac (2007) keeps shutting off when in Full Screen mode (DVD, iTunes Visualizer, etc.) This only happens when I have an external monitor hooked up HDMI. Help?

Try using another connection such as VGA or DVI to see if the problem repeats itself.

Cannot boot from Leopard Install DVD

Now that I know I have to archive and install (based on a previous post), I'm trying to boot off of my Leopard Install DVD. I put it in the drive when starting up, hold down "C", and nothing happens. I end up booting from the hard drive and getting stuck again. I reboot the computer, try again, and again, nothing. Finally, I pressed "option" on boot-up, got the boot menu, the DVD appeared after a moment, and I clicked on it. I could hear the drive spin-up, then nothing happened. It went to the hard drive again and got stuck in its reboot loop.
The drive should be fine, as I've been using it for normal purposes lately (including ripping music off of my CDs yesterday). Is there any other reason that an OS X Leopard Install DVD wouldn't boot properly? Is it the DVD itself? Or might there be another reason?
Thank you,
Joel

If the MacBook Pro was released on or after October 26, 2007, it can't use the 10.5.0 retail installer.
If the MacBook Pro was released on or after November 15, 2007, it can't use the 10.5.1 retail installer.
If the MacBook Pro was released on or after June 30, 2008, it can't use the 10.5.4 retail installer.
If the MacBook Pro was released on or after January 2009, it can't use the 10.5.6 retail installer.
If the MacBook Pro was released before October 26, 2007, it must use the retail 10.5 installers to install 10.5.
Otherwise it can only use the installer discs which shipped with it to install 10.5.
* is the retail installer disc label, which in fine print will say the update version of 10.5 included with that disc.
If you are missing the discs that came with the machine, and you bought the machine from an authorized service center contact AppleCare for replacement discs at a nominal fee.
Otherwise contact the seller, who should have given you the discs when he sold you the machine.
The discs include iLife, and a hardware test that you can't otherwise get with the retail installer discs for Leopard alone. A bundled iLife/Leopard 10.5.6 exists today called the Mac Box Set.
- * Links to my pages may give me compensation.

Macbook display turns off when booting Snow Leopard DVD

I have mid-2009 Macbook Pro and I hate Mountain Lion. I want to do a clean install of Leopard using the DVD (grey) that came with my computer. I loaned it to a friend recently and he had no issues. But everytime i try to boot from the SL DVD (hold C at startup) it behaves normally, until about the time it would go into the DVD startup screen. At that point the display turns off (not the whole computer, just the display) as if it has gone to sleep. And I can't get it to turn on again. I've also tried booting and holding Option and choosing the DVD as the boot drive. No dice.
Awhile back I created a Lion install DVD. I can boot to it just fine. But i don't want Lion either. Any ideas why this is happening? Thanks!

Press control shift eject, then any key to toggle the display from sleep/wake.

Possibly dumb Q: Running Disk Utility when booted from OSX Install DVD

Hey there Mac folks. I was wondering about this:
I'm running OSX 10.4.5 on a 2x2.0GHz G5 with 4 internal drives. (I stuffed 2 into the PCI bay with a G5Jam bracket kit.) I use Disk Utility v10.5.3, which is current for OSX 10.4.5, when doing basic maintenance/repair on my secondary drives, as well as to repair permissions and do a verify (but not repair) on my startup drive. When I have to do a repair on my startup drive, barring the use of other 3rd party apps, I have to boot from my OS 10.4 DVD, and use the Disk Utility there. However, since it's a 10.4.0, the Disk Utility there is v 10.5.0.
So, the question: Should I care? Any chance of a problem? I know the Disk Utility's repairing doesn't really care what OS, if any, is installed on a drive it's repairing (at least I think that's true?), but I have no idea what changes/improvemnts have been made to Disk Utility. Actually, I've always wondered about this sort of thing since OS 10.0.
I think I can make a copy of my Tiger install DVD with the newer version of Disk Utility inserted onto it, replacing the old one with v10.5.3. I don't know if it's worth the trouble though. I figure that for the newbie users, Apple would have thought of this, and addressed it if it were a potential problem. (Despite this Q, I'm not a newbie!)

Hi, JonYo.
Booting from your Tiger Install DVD to Verify or Repair your startup disk is fine. No worries!
The major changes in Disk Utility from 10.5 to 10.5.3 were:
• Better handling of overlapped extent allocation errors. Third-party utilities, such as Alsoft’s DiskWarrior may still be better at this task.
• The addition of live verification: the ability to Verify your startup disk while booted from such. One of the intermediate releases
The key point is to only use Tiger-compatible disk utilities with Tiger.
If you've implemented a proper backup and recovery solution where you are creating a bootable duplicate of your startup disk, you could also start up from the duplicate and run the latest version of Disk Utility on such to Verify or Repair your usual startup disk. For advice on the backup and recovery solution I employ, see my "Backup and Recovery" FAQ.
Computing without a comprehensive backup and recovery solution is like driving without auto insurance.
Good luck!
Dr. Smoke
Author: Troubleshooting Mac® OS X
Note: The information provided in the link(s) above is freely available. However, because I own The X Lab™, a commercial Web site to which some of these links point, the Apple Discussions Terms of Use require I include the following disclosure statement with this post:
I may receive some form of compensation, financial or otherwise, from my recommendation or link.

When booting up from install DVD beeping noise occurs

I am trying to re-install OS X Snow Leopard because I am sick of Yosemite. However, when I press C at startup (with the SL install disc in btw) it makes a beeping noise. Does anyone know why its happening?

Do not post in this thread, I am already asking in another

Kernel panic when booting from Tiger install DVD

Short version: When I try to boot up from the Tiger installation DVD, my Power Mac G5 gives me a kernel panic. Can anyone help?
Here's the story:
I have a Power Mac G5 that I've been running Leopard on for quite some time now. Unfortunately, the software I need to use (Final Cut Studio 1) has some incompatibilities with Leopard, so I was thinking I would put Tiger back on the machine in a separate partition on the second hard drive.
I tried booting the Power Mac using the retail (black label) Tiger DVD and holding down the "C" key. The Apple logo appears on screen, but is immediately followed by a kernel panic. I'm never able to access the features on the disc. The same thing happens if I try holding down "option" during boot instead: I'm correctly allowed to choose whether to boot from the hard drive or the DVD, but once I choose the DVD, I get the Apple logo and then a kernel panic.
The same Tiger DVD works fine on other computers, so I know it's not the disc. And the Power Mac itself handles everything else without problem.
I'm kind of desperate, as I need to finish this project this week. Any help you could give would be greatly appreciated!

[Apple docs: What's a kernel panic? (Mac OS X)|http://docs.info.apple.com/article.html?artnum=106227]
[Topic : kmosx: Kernel Panics? Don't panic too !|http://discussions.apple.com/thread.jspa?threadID=121923]
[X-Lab: Resolving Kernel Panics|http://www.thexlab.com/faqs/kernelpanics.html]
[Tutorial: Avoiding and eliminating Kernel panics|http://www.macfixit.com/article.php?story=20060911080447777]
[Tutorial: An introduction to reading Mac OS X crash reports|http://www.macfixit.com/article.php?story=20060309075929717]
[12-Step Program to Isolate Freezes and/or Kernel Panics|http://macosg.com/group/viewtopic.php?t=800]

Macbook shuts off on boot

macbook shuts off during boot after about 15 seconds. During boot at Apple logo, during a fsck process in safe mode, during a boot into Diskwarrior CD, even during a boot into Leopard install DVD. I am a decades mac user and have never had this problem. Tried zapping the pram, tried resetting system management controller (2 diff. ways). 10.5.8 was just installed, but i don't believe this was an issue. I believe it's hardware related. Any ideas?

Hi,
I am having problem with my macbook for like a month now. I is constantly shutting off when I start the pc or sometimes while I am using it. Would you know what the problem is. I tried to update software and it seems better for a bit, then it started again. Do you think the geek squad at Best buy would be able to fix it.
Thank you very much.

Aspire One D255 monitor shuts off during boot

Every time I boot, immediately after the kernel lauches init, my screen powers off. About 15 seconds later, it comes back on.
The delay before coming back on seems to be independent of the init process. If I speed init up, by the time it comes back on it's waiting at the login prompt. If I slow it down, it comes back on while init is still running.
I tried adding an echo -e -n '\033[13]' to my init scripts in an effort to unblank the display, but it doesn't help.
This happens both booting of the install image and after installation. It makes it extremely hard to figure out what's going on during startup.
Has anyone seen this before?

I have a similar issue with my aspire one, but the display is not turning off, it is actually the backlight turning off during boot. I use fbsplash with a dark theme but a bright progress bar. During boot, it appears as if the screen has turned off, but looking closely, I can still see the progress bar.
I have tried several different methods of keeping the backlight on to no avail.
Personally I am thinking it is monitor signal detection during a monitor mode reset during boot, ie from console resolution switching to KMS resolution. Most monitors lose signal detection when changing mode (in my experience). Some display a "No Signal" message of some sort, some briefly turn off until signal is detected again, and in the Aspire One case, the backlight turns off. Put it down to monitor manufacturers built in power saving "features".
Tha same thing happens when I boot windows.
Of course, if anyone does come up with a solution, I am eagerly listening!
Cheers.

MBP shuts off when battery goes down to ~20%

Recently, my MBP started shutting off when the battery level got to 20%. No low battery warning, just shuts off like it got to 0%. I plug it in, turn it on, it boots and battery level is right around 20%.
Battery Information:
Model Information:
Serial Number: SMP-ASMB012-3571-70d
Manufacturer: SMP
Device name: ASMB012
Pack Lot Code: 0001
PCB Lot Code: 0000
Firmware Version: 0102
Hardware Revision: 0300
Cell Revision: 0200
Charge Information:
Charge remaining (mAh): 4420
Fully charged: Yes
Charging: No
Full charge capacity (mAh): 4440
Health Information:
Cycle count: 191
Battery health: Good
Battery Installed: Yes
Amperage (mA): 0
Voltage (mV): 12544
I took it to the Apple store and the "genious" told me that cycle count is too high and they can't replace the battery under warranty. He said I use it with a battery too much. Last time I checked, I bought a portable computer, it has a battery for a purpose. When I work at a client's office I don't always have it plugged in. What does actually constitute a "cycle"? I've had the laptop for 1 year and 2 months.

Ok, so I'll tell you guys my experience with the genius bar at the Apple Store.
It was about 2:20 pm today, I walked up to the genius bar and waited for someone to come to me -- which took all of 30 seconds. So he asked what my reason for visiting was, and I told him the story about how my battery would just cut off at 30%. He then asked for my computer, so I reached into my laptop bag, pulled it out, and placed it in front of him. It was in sleep mode so we just opened it up to get started; he went to the "About this Mac" from the Apple button in the menu bar and took a look at my serial number. After about 2 minutes he said "I'll be right back." I waited for no longer than two minutes, and he came out from the back with a box in hand. He then flipped my computer over and took my battery off, opened the box, pulled out a new battery and placed it in my computer. Then, all that I had left to do was sign for it, and I was on my way in no more than 10 minutes.
What I find interesting is that he didn't even look at how many "cycles" my battery had; although, it probably wouldn't have made much difference as it was only at 17. At any rate, I asked him if there was a set of defective batteries out there -- including mine -- and basically he told me that yes, there was. So I guess since he looked at my computers serial number, his computer told me that mine was one of the affected ones.
Anyways, bottom line was it was very easy to do to get it replaced, with zero hassle. For the most part, I'm pretty happy with how the Apple Store and genius bar both opperate, much better than dealing with stores like Best Buy and the like -- in my opinion anyways.
Good luck everyone.

My iBook just shuts off when it is still partially charged. Help?

Hello, I have an 14" iBook G4, and have been having problems lately with the computer shutting off (going dead, and not into sleep mode) after it has been running on battery power for awhile. It usually shuts off when the battery is at around 45-60 percent charge still left. It never shuts off when plugged in to the charger. Here are some specifics on the battery from the System Profiler:
Battery Information:
Battery Installed: Yes
First low level warning: No
Full Charge Capacity (mAh): 1545
Remaining Capacity (mAh): 1542
Amperage (mA): 0
Voltage (mV): 16543
Cycle Count: 225
I have been thinking about getting a new battery but I just replaced this one a year or two ago so I don't think it should be bad yet.
A few things that I think might be causing the problem might be that I upgraded this computer a while ago by putting in a 100 GB hard drive and putting in a Superdrive (it originally had a 40 GB HD and a Combo Drive). I also have an extra 512 MB of RAM installed. I also just recently upgraded to Mac OS 10.4.11. I had been running 10.4.6 for the longest time (mostly because I always though it was safer because sometimes when I had updated computers in the past they'd run into problems. Plus, I have software that I knew would run with OS 10.4.6 - plus the install discs).
Anyway, let me know what you guys think I should or could do to fix this problem. I'm on my computer all the time so I should respond quickly to your guys' (or girls') advice.
Thanks for any help you can give. Later

I looked into resetting the PMU (although I think I already tried that a week ago), I don't know if something specific is supposed to happen to let me know something was reset but everything functioned pretty much as normal.
I tried recalibrating the battery with minimal success, it went down to 31% then actually said 0% and died. I tried recalibrating twice and it doesn't go into sleep mode, it just dies. It'll go down to 0% and still not go into sleep mode. Now my battery reading says this(with the power cord unplugged):
Battery Information:
Battery Installed: Yes
First low level warning: No
Full Charge Capacity (mAh): 1315
Remaining Capacity (mAh): 1313
Amperage (mA): -778
Voltage (mV): 16178
Cycle Count: 225
I took continual readings of the Battery in the System Profiler and pasted them into a Word document when the computer was at 0% capacity and was still on but wouldn't go into sleep mode (it eventually just died). I can post some of those on here if you want.
I also tried that Coconut Battery program to let me know any new information about the Battery and it says nothing really new. It says the battery has a max capacity of 1315 mAh (although just couple of days ago it used to have around 1500mAh - read my first post above - I don't know if that means I've made progress or the battery is worse off then when I started) and also the Battery originally had 4400 mAh capacity (so now it's at about 29% of its original strength).
One thing did disturb me though is that the battery might not be recording the number of cycles correctly. Even though I've gone through at least a few charges in the last couple of days, it still says "225" and it should be higher. You'll even notice that it said "224" in the Battery Information in my first post. I've gone through at least a couple of complete discharges, I would think.
Anyway, I hope there are some more options on the table, but I'll see if I can keep re-calibrating it and it will finally work. I am starting to wonder if its the battery or the module inside it or some other problem. Anyway, thanks for the help.

When I use my 5 year old MBP on battery it suddenly shuts off when the battery life reaches 88%. Anyone know why and how to fix it?

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Model Information:
Manufacturer:          Sony
Device Name:          ASMB012
Pack Lot Code:          1
PCB Lot Code:          0
Firmware Version:          110
Hardware Revision:          500
Cell Revision:          303
Charge Information:
Charge Remaining (mAh):          4108
Fully Charged:          Yes
Charging:          No
Full Charge Capacity (mAh):          4200
Health Information:
Cycle Count:          40
Condition:          Service Battery
Battery Installed:          Yes
Amperage (mA):          0
Voltage (mV):          12361

My MacBook won't turn on ? It's on an updating screen then shuts off when I turn it back on the same things happens again over and over

My MacBook won't turn on ? It's on an updating screen then shuts off when I turn it back on the same things happens again over and over

On the bottom of your MBP is the serial number. Enter it here and post back the model/year information:
https://selfsolve.apple.com/agreementWarrantyDynamic.do
What OSX do you have installed?
Ciao.

HT201412 All my Apps. are automatically shutting off when I try to use them, how do I get them to work again?

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Backlight shuts off when booted on Leopard Install DVD

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