G5 wont boot from 10.5 disc

my g5 will not boot from a borrowed 10.5 disc
its 2nd hand and worked perfectly for quite a while.
after start up one morning it had reverted back to 10.3.9---and the 2nd hard drive had died---wierd thing was that the osx was on the 1st drive--not the 2nd.
when i tried to update to 10.5 from a disc it allowed me to select language--then a window said that it could not load from this disc.
is there a specific type of disc i need to upgrade to 10.5.8?
cheers

Furthermore, since you ask about 10.5.8, the retail discs for 10.5 only were available up to 10.5.6. You can upgrade to 10.5.8 using the combo update once you have the correct disk that looks like what I show above:
http://support.apple.com/downloads/MacOS_X_10_5_8_ComboUpdate
Use my directions below*:
http://www.macmaps.com/upgradefaq.html
- * Links to my pages may give me compensation.

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24" iMac - Wont boot from HD or disc... Help!

Hi guys,
Just been working on iMac, forget the exact spec but it's a 24" Intel 2.something Core 2 Duo or whatever it is, 4gb DDR2 RAM, gotta be about 2 years old to the day and after my last 2 Macs have lasted forever, never developing a fault, I didn't take out Applecare... Perhaps I had a bit too much faith...
As I say, just working away and all of a sudden, upon putting a video in Quicktime to full screen, the whole image has kinda of condensed itself into the top 20% of the screen and started slightly flickering the image. I've tried quitting some of the programmes, but neither the mouse nor leyboard have been responding so I've just had to turn the computer off.
I've gone to turn it back on, and after about 30 seconds, it's got as far as the grey screen but then the little spinning progress indicator pauses and it does nothing else.
I've reset the PRAM and that made it take longer before it froze but ultimately did nothing.
I've now tried getting it to boot from the Snow Leopard disc but this does the something, until after about 3 - 5 minutes, the screen goes all pshychedlic, like looking at an old school TV really close...
So looking for any suggestions on other things to try before I have to take to my local store... Any hazard a guess at what may be up with it?
I've got a back up the whole computer but I don't think this is a software problem, I'm assuming it's going to be a hardware one?
Any help at all would be much appreciated!

Ok, tried Safe Mode and that wont boot either. Saw a little progress bar on the grey screen though which made a change, but ultimately, it crashed once that had disappeared.
I've just noticed that at the point when the progress wheel stops spinning, a pattern of dead pixels appears across the screen that aren't there when the progress wheel is spinning.
The more I talk to people about this, the more graphics card seems to come back as the likely culprit, based on the fact that:
- it started by me putting a video to full screen
- the fact the display went weird when it first happened and also it plays up after it crashes with the psychedelic colours
- it wont boot from HD, disc or now in safe mode either, however it does run AHT fine.
- I've hoovered out the vents on the iMac and somehow it seems slower than it was before (bit odd)
- the dead pixel thing mentioned above
So now thinking it may be time to get a new graphics card?
Reckon this is likely, even though the AHT hasn't picked up any problems? As mentioned earlier, I'm not too concerned about it would seem it doesn't particularly test the graphics card too much, so all just seems to point towards it.
Anything else that I could do to single this out as the likely culprit?
Guess this is a chance to upgrade!

Wont boot from cd???

I have a slot-loading iMac that wont boot from a CD.
Does anyone know why? I have tried holding C and choosing the CD as a start-up disk but it doesnt work. The CD i am trying to start-up on is the Mac OS 9 CD.
Can anyone help??
Thanks Daniel.

Did you have any luck on this?
I am having the same quandry. I have a slot-loading 450MHZ imac which I purchased used with 10.2 installled on it. When I tried to upgrade to 10.3 using my black retail CD I own I was told I needed to upgrade the firmware. Then I discovered that Classic had been deleted from this computer, so had no way to boot in 9.2.2 to install the Firmware update....so I figured I would have to start from scratch from my white 9.0 retail CD and do the upgrades to 9.2.2, but it wouldn't boot from the white CD.
Then I followed instructions I found here and used my 10.3 disc to access Disk Utility and reformatted the HD with the OS 9 Drivers (losing the 10.2 install it had in the process), and reset the PRAM twice.
So now I just get a gray screen with the flashing Question Mark in a folder. I have tried an external CD drive to confirm it's not a problem with the optical drive and have booted from the OS 9 CD on another slot-loading imac to confirm it's not a problem with the Disk. I have a 9.0 CD and a 10.3 CD but nothing in between.
Still no luck...

IMac wont boot from CD

I am selling my iMac so want to reformat the HD and do a fresh install of Leopard.
When I try to boot from the system CD I get the grey screen, I hear the CD Drive reading the disk, then the computer reboots. The same thing happens every time no matter how I try to boot from the CD. When I eject the CD, or boot from HDD, it loads the OS fine. It just wont boot from the CD.
I have tried:
Booting from CD by holding the C key during startup
Booting from CD using Startup Disk in System Preferences
Installing OS from the 'Install Mac OS X' application on the disc
Holding the option key during startup and selecting the CD drive
Resetting the NVRAM
Verifying the HD in disk utility
Verifying the CD in disk utility
Verifying and repairing HD disk permissions in disk utility
Running the install on my MacBook to check the CD (booted to the CD and started install process fine)
I have searched for previous discussions that reference this issue but could find none with this specific problem. The CD drive reads other media fine so I don't think it's a hardware issue.
Any help would be much appreciated.

Clean the disk?
Dirty lense?
The bottom of the disk must be free of scratches and especially human fingerprints which the oils can trasfer insdie the machine.
Use a bit of rubbing alcohol on a very soft clean cloth and polish ot a shine before using the optical drive.
Order a replacement disk from Apple, buy jewel cases that suspend your disk, the plasic/paper sleeves Apple provides aren't good.

G5 wont boot from installation disk?

Any suggestions for a G5 that wont boot from the installation CD? Regular starts fail at the grey screen with the apple logo. I've re-set PRAM and SMU, and replaced the battery. G5 passed the Disk Utility tests and the hardware test run over firewire from a PowerBook. I've tried booting from the CD while holding down the various keys. Runs fine in terminal mode so I've saved all my files. Not sure where to go from here. Any help would be appreciated.

Hi choriocapillaris, and a warm welcome to the forums!
Can we assume it booted from this Install Disc before, or could this be an Install Disc from another Mac?
If it is the right Disc, put it in the PB, boot the PB into Target mode...
http://docs.info.apple.com/article.html?artnum=58583
Boot the G5 with the Option key held down & see if the Install Disc in the PB eventually shows up as a boot choice for the G5.

Pavillion zv5000 laptop wont boot from cd after mobo and hdd replace

So I inherited a dead zv5000 laptop with no hdd. I replaced the motherboard and CPU, and it powered up and booted from the cd drive with no hdd installed. I was able to run memtek and the original hp os recovery discs, with no hdd installed.
Then I put in an empty hdd. The bios sees the hdd ok, but I suddenly can't boot from the cd drive. The bios settings are correct, and the discs spin in the cd drive, but it wont boot with the recovery discs, memtek, or an original xp install disc.
When I remove the hdd, it still wont boot from the cd drive.
So I google and I read stuff about hp tattoos on hdds and motheboards and dmi, and no passwords for the average person to do the tattoo.
So what do I need to do ? I don't understand why it was good with the new motherboard, but as soon as I plugged in an hdd it wont do anyting. I cant update bios because I cant boot past the bios, and not sure how that would help anyway.

If you have an open firmware password, delete it. It will not boot off anything but HD with OF password. Or at least thats what it was for me.

Macbook Pro Wont Boot from Retail 10.6.3 DVD

Just like the title says. It wont boot off the retail 10.6 disk I got a couple weeks ago.
I think my EFI partition might have been corrupted...so I want to repartition the HD and reinstall the OS but the computer wont boot from the DVD.
Any ideas?

Hi Alexander,
If your MBP shipped with an OS later than 10.6.3, it won't boot from that disc. Use the install disc that shipped with your MBP.

Can no longer boot from ANY OS disc on MBP

I recently purchased a 15" 2.16ghz Core Duo Macbook Pro. It came with the original 10.4.5 discs. The previous owner installed 10.6 on it using a retail disc, then upgraded to 10.6.6. I had planned on upgrading the original hard drive. However, I cannot get the laptop to boot from the original discs or my own retail 10.6 disc. I've tried a number of different approaches (booting from an external DVD, holding down "C", holding down "option", attempting to mount in on the desktop first, etc.). Either the machine hangs or it ejects the disc (when using the internal drive). Nothing seems to work. Both the internal drive and external drive have been tested and work fine. Is it possible that when upgrading to 10.6.6 a firmware upgrade was done that won't allow the machine to boot from a disc containing an earlier version? I don't know what else could be causing the issue. The laptop has not displayed any other issues. Thanks for any suggestions or explanations.

I don't know how much help I'll be to you. Seems to have a lot of posts lately about not being able to start up from the install disks.
I assume you can still boot up from the internal drive.
When you hold the option key to start, does the screen come up with the option to choose a startup disk and is your Install Disk in when you attempt this?
While booted up normally, does the Install Disk open up with the install OSX menu? If so, does going through the install menu reboot the computer from the CD automatically?
Even if there were a firmware upgrade, seems like you would be able to use the 10.6 Install Disk to boot from.

G4 won't boot from any Linux disc I put in it and c key no longer boots cd

I have a G4 Powermac (sawtooth, DVD drive, 512 MB RAM, 30 GB HDD) which has started refusing to boot from any Ububtu discs I have all of a sudden.
I'll be more specific. I've previously been able to boot from Ubuntu 6 cds (originals from shipit, not burnt) as well as Ubuntu 7 (burnt disc). I haven't made any changes to the system that should stop it booting from them. Currently installed on the hard disc is System 9 and Puma. It is still booting ok from my System 9, Puma, Panther and Tiger discs; but when trying to boot from my ubuntu discs (I've tried all of them to eliminate the possibility of a stuffed disc) the screen goes black for a second as if it is starting to boot, but then it kicks me to the flashing folder screen you get when it can't find a startup disc. Oddly enough the background colour of this screen isn't grey like usual. It's orange. I've never seen that before. If I leave it sitting at this screen after about 30 seconds or so it starts up from the hard disc on its own.
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I don't think that the mac refusing to boot while holding the c key is coincidental. I believe that whatever the issue is that's causing this issue is what is also causing the mac from not booting any Ubuntu discs. It's a very strange problem and upon searching around, it seems this doesn't seem to have happened to anyone else before. Any advice will be greatly appreciated. Thanks.

Hi, yoshi -
I just have to be rush to get the cd in the drive and then to hit cmdshift+optdelete before it's too late...
You should also be able to use Startup Manager to choose the CD as the boot volume -
Article #HT1310 - Startup Manager: How to Select a Startup Volume
A feature not discussed in that article -
Once Startup Manager has loaded, if the CD is not in the drive you can press Command-. (Command-periodkey) to open the drive - this should work even if another disk is already in the drive. Insert the disk you want to use, close the tray, wait a few seconds for the disk to spin up and get recognized, then click the circular arrow icon on the left - this forces a rescan of the available drives, which should result in an icon of the new disk appearing in the array. Click it to select it and then click the straight arrow icon on the right (or press Return).

Satellite C50-A634 wont boot from USB or DVD

My new toshiba Satellite C50-A634 wont boot from usb, or dvd ,
i have downloaded win 8.1 and burn image to dvd but i still get an error message "no bootable device......please restart system" .
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Hi
Does Satellite C50-A634 supports internal CD/DVD drive or did you try to boot from external optical disk drive?
You have to know that _Satellite C50 & Satellite C50D models *without* a built-in ODD_ are not able to boot from an external ODD due to a technical limitation.
Details here:
[Limitation of external boot media for Satellite, Satellite Pro C50 & C50D devices|http://aps2.toshiba-tro.de/kb0/TSB3B03JA0000R01.htm]
Only USB flash drives are supported as external boot devices!
It is necessary you can use a USB flash drive as recovery media on notebooks without a built-in ODD.

M30x bios does not detect hard drive, wont boot from HD

Can someone help me in this issue.
My Sat m30x wont boot from Hard Drive, instead tries to boot from network.
Tried to load setup defaults and Hd wont show on the settings
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thanks in advance for some ligth on this problem

My M30x has the same problem. I just have used it for 2 months.
I sent it to the repair center as I was told to do, because it has warranty.
I'm still waiting for a response from them. I don't know what caused it.

Power mac g5 wont boot from install dvd

i have a g5 power mac i had to replace the hard drive when i try to boot from the disc it freezes on the gray screen with the apple im use the retail dvd for the ppc can anyone help

Hello! You may not be waiting long enough if there's been a new drive installed as the OS on the dvd will be looking at the new drive to see if it's been formatted. It may take 10-15 minutes or longer to fully boot from the install disc. Tom

My mac mini wont boot from disk

My 2010 Unibody Mac Mini wont boot from disk, i need to open disk utility to repair my drive but it wont boot, any ideas?

it started yesterday, and nope, not changed anything apart from the apple update for S.L. a week or two ago, and its stuck at the spinning gear, this has never happened before

2010 13" MBP Wont boot from internal. Will boot from external

This is fairly long winded, I will try to be as clear as i can.
Last week my 13" MBP refused to boot after running out of battery during sleep.
I have done the following to the original drive:
Booted from Lion Recovery, repaired, verified, and repaired/verified permissions.
Booted from Snow Leopard DVD, done the above.
Used Disk Utility on another Mac, done the above.
The drive still will not boot from the internal cable.
I can see the drive when attached internally, but cannot do any of the above actions as it is "unable to unmount"
I can boot from the drive if I use a USB external adaptor.
I bought a new hard drive....
I have done all the same on the new HDD with additionaly installing fresh Lion / Snow Leopard to the new drive whilst its in the internal position (Leopard from the DVD originating with my laptop, Lion from Lion Recovery whilst the other drive was on USB) but still having the same problem when it comes to booting - i.e. wont boot from internal. will boot from external USB.
Ideally I would like to end up with a lean install of lion, on the new hdd, booting from inside the laptop.
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I think you have solved your own problem. If you have two different HD's and they both do not work once connected, but do when placed in an external enclosure, then I would think it has something to do with the connection.
Slap the old drive back in the machine, and take it to the genius bar, and have them diagnose it. Hopefully they will have an answer for you. If not, bring the other drive too inside he external enclosure, and show them that it boots via the external.
Then, lay the whammy on them, and tell them that the original drive works inside the enclosure too.
Would be interesting to know what the actual issue is, and the resolution as well...

Boot from Disk warrior disc?

I was able to boot from the diskwarrior disc on my 2008 Macpro.
I can not on my new 2010 Macpro. All I get is the white apple screen.
why not?
The system drive graph is a mess and I need to rebuild it- suggestions?

I didn't think anyone used the CD.
Install OS X to a small 30GB volume. Use that and keep it only for maintenance and repairs. Running OS X in any fashion is better and easier to rebuild the directory - OS X does not like total lack of a VM. Plus you can run multiple programs, boot faster, and you are using the latest OS X and Disk Utility and not locked into a fixed version. Same holds true for using Disk Utility, only use the DVD when there is no other means.
And with small affordable drives, or even SDHC Flash Memory card you can boot and run OS X off small 8GB (some have trimmed it to fit on 4GB but have to do that first on a hard drive).
I would clone the system (SD or CCC) and run DW against the (updated) backup image regularly. Then switch over and boot from clone (insure it works) and then repair the main system (and other drives).
With 4-5 internal drives, Firewire, and USB, lots of options for alternate boot volumes, and you can take a 1 or 2TB drive and just shrink and create a small volume on the end for such purposes.
So no need to rely on booting from CD or DVD, ever.

G5 wont boot from 10.5 disc

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