Ubuntu / Apple :: 20" 2009 Intel IMac Won't Boot LiveCD?
Mar 26, 2010
in an attempt to demonstrate just how compatible our college Macs are (please hold the tomatoes) I'm trying to install Ubuntu Karmic alongside Mac OS X Leopard and Windows XP Pro SP2. The problem is, I hold down 'C' to boot from the CD, and all I get is a black screen with a flashing DOS-style cursor. If I boot it without holding C, it works just fine, booting into either Mac or Windows (whichever I specified).This is understandably irritating, and I'm trying to figure out the source of the problem.
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Jun 26, 2010
I'm trying to install Kunbuntu 10.0.4 on a late 2009 27" Core i7 iMac. Unfortunately the screen is always black while the CD/DVD installer seems to work. All firmware updates neede to the machine have been applied and it is non affected by the known problems of the late 2009 27" iMacs.
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Aug 10, 2010
Yesterday I've try to reinstall ubuntu on my iMac at the only difference is that I don't want to see mac OS any more as I never use it.
So I erase all partitions of the hard drive (including the EFI one)
set the HD as GPT and use the following partitions schema:
Then I install ubuntu 10.4 TLS. every thing went well up to the end where is told me installation successful and ask to restart.
But when I restart it give me this: e745...(cut)...0a2 end_request: I/O error, dev sr0, sector
I know that my iMac doesn't use a BIOS but an open firmware and I didn't create any EFI partition.
should I create one? do I have to modify something in the Open Firmware? and it it possible to install Linux ALONE on an iMac (intel)? as I don't want macOs on it nor rEFIt as possible.
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Jul 21, 2010
After booting up from the cd, I noticed that neither my wireless keyboard or wireless mouse were working. after a while a different screen came up that allowed me to use my keyboard arrows to choose "try ubuntu without affecting your system". So I choose that option and got to the desk top but then i had no use of the mouse or the keyboard at all. I then ejected the disc by quickly pushing the power button in the back of the iMAC and once the disk was out was able to restart the computer.Now i am in a black screen that says that there is no bootable drive.I know about the option key at start up, but that is apparently not working because my keyboard is not being recognized
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Sep 1, 2010
Screen brightness on aluminium 24 inch Intel iMac
I was just about to re-install Ubuntu to dual boot with OS X on my 24 inch aluminium Intel iMac. Then I remembered the reason I got rid of Ubuntu the last time... screen brightness.
It is a known fault of these machines - the default brightness is set far too high. Sometimes it hurts the eyes. There is an application I have to use with OS X called 'shades'.
If I instal Ubuntu in VirtualBox I can still use 'shades', but when I run it natively as a dual-boot os, I do not have access to the 'shades' app so the screen is far too bright to use for any reasonable length of time.
Is there a workaround for this, without having to do something on every log-in?
(I am using the 64 bit AMD version of Ubuntu.)
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Sep 17, 2010
Trying a LiveCD of 9.04 and it wont boot on iMac 8,1 with Intel CoreDuo2. Using rEFIt or not doesn't help, boot to cd gives a black screen with overlength cursor and takes no keyboard input (CAPS light wont even come on). No splash screen or chance to get a prompt. md5 check of cd against iso file using dd is fine and matches published md5. Tried alternative (text) cd iso and same story. Tried Bootcamp for the initial partitioning and no difference. Mac installation cd boots fine as does OSX, burned cd from multiple machines and no joy. Graphics is an ATI Radeon HD2400. Mac running OSX 10.5.8
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Oct 20, 2010
I have a 27 inch iMac with ATI Radeon HD 4670, and 8GB of Ram. When I try to boot a 64 bit Linux Mint LiveCD, I get a black screen as soon as the X server loads. Are there any, up to date, 64 bit debian/ubunt based liveCD's, That work ob my hardware? In general, what distribution works the best with Apple Hardware?
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Feb 21, 2010
I can't install any flavour of Ubuntu 9.10 onto my new iMac G3. Here are its specs:
iMac G3 New World (Indigo)
350MHz G3 Processor
192MB RAM
6GB Hard Drive
Slot Loader (CD only - not DVD)
Mac OS 10.3 Panther
The drive does work - I've played music from CDs on it, and it does allow me to view PDF files stored on data CDs. I can even view the Ubuntu CD through the Finder on the desktop. It just really doesn't want to boot from the CD.
I've tried multiple Linux distributions (all of them PPC compatible).
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Mar 25, 2010
I want to install Ubuntu on a PPC iMac.It is running 10.2.8.I'm looking for a ppc version of Ubuntu that will fit on a CD-R, the iMac has no DVD reader.Where can I find this?Also, I'm not sure how to get the iMac to boot from disc. It doesn't seem to respond to holding 'c'. Also, when I hold 'option' during boot up it shows me a screen with a picture of a lock, it wants me to fill in a password, but my user's password won't work.
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Aug 15, 2010
I presently have an iMac G4/700Mhz machine I want to try Ubuntu on, but I cannot get it to boot using the 10.04 PPC Live CD. I get to the boot prompt, and no matter what I type, the system halts when the screen clears and comes up, and each time it does so, it comes up different colors (I've seen green, red, yellow, and grey so far). I've tried the special boot arguments that apply to this system when you press the TAB key, and all of them end the same way, so I'm at a wee bit of a loss here.
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Sep 18, 2010
I'm trying to boot ubuntu10.4 live CD on my new iMac (iMac 11,2, core i3). The screen goes black at start of boot and stays black. The CD stops reading after a few minutes and that's that. Just to see what else doesn't work I tried ubuntu10.10 beta live DVD. That boots the splash screen - already better than 10.4 - and gives the language menu and the boot option. The boot starts and some text scrolls up the screen quickly. Then the screen goes black, etc. Tried to set boot option vga=771 - no good. Boot option nomodeset - no good. Booting suse11.3 live CD also gives scrolling text and a black screen. All these discs worked on my old Mac Mini Solo (2006). Looks like something's different about booting a live CD on the new iMacs. Anyone else trying this?
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Feb 20, 2011
A while back, I used boot camp to dual boot OSX and Ubuntu on my iMac. It was fine, worked well - but I eventually took the partition off because there was some software corruption in OSX. I reinstalled OS X and now I want to dual boot Ubuntu. I can't! I created the partition - like last time, in Boot Camp, and I installed Ubuntu - I made sure to keep Grub on the Ubuntu partition only. But when I go to reboot (you know, after it finishes installing) I press option/alt and the Ubuntu partition does not show, only the Mac partition. Why is this?
ed: One thing that I remember is that I formatted the Ubuntu partition ext4 - I don't recall whether or not I used ext3 before, and do not know if that makes a difference.
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May 22, 2010
I installed Lucid PPC on a G4 iMac (lamp-style, 800 mhz) using the netinstall mini cd. The install environment booted and installed a base system without any problems. However, when trying to boot into the installed system, I get about a second of text after the yaboot screen, then darkness, then a full screen of bright red. Note that X is not installed, so the red screen is not an xorg problem. I've tried booting with "Linux nosplash video=ofonly", and "Linux single" but the problem occurs in both cases. I can use rescue mode on the cd and chroot into my system on the hard drive, but I'm not sure what steps to take from that point. It does seem to be a functional system when I'm chrooted, I can use apt etc.I don't want to give up on this installation and install karmic yet,
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Apr 8, 2011
I'm installing Ubuntu 10.04 on a 700mHz "lamp" iMac for a home school. I managed to install Ubuntu 10.04 via the alternate iso, but when it boots up it only goes as far as a black screen with "Ubuntu" in white lettering above four dots of which only three are colored red before it stalls. I just can't trick 10.04 to booting up past three red dots.
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Apr 28, 2011
I tried to boot live Ubuntu (using 11.04 daily build) and 10.04 on my G4 iMac (the so-called iLamp) 15" but it freezed on boot. I tried using both the "live" and the "live video=ofony" options with no difference.The result is always a white or blank screen (randomly). With 10.04 I obtained a little bit different result: a yellow screen!These are the main characteristics of my iMac (obtained with the system profiler):
PowerMac 4.2
CPU PPC G4 700MHz
576MB Ram
[code]....
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Nov 18, 2010
I've been installing Linux Mint with OSX on a bunch of iMacs, and its been working perfectly excpet for one of the iMacs. The screen will just go black when I boot from a live CD, but I can hear the login sound play. It's strange because all of the other iMac's run the live CD just fine. What could the problem be? I don't know what I can do to troubleshoot this problem.
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Apr 2, 2010
Is it possible to create a boot CD to boot external volumes on an Apple iMac 7.1 (which has an older firmware version and cannot boot external disks, unlike the MacBook Pro 5.1 which can do it, at least with grub-legacy which is all I'll ever use until EFI boot becomes available). There is some promising stuff on www.pendrivelinux.com, and I'll try it, but the instructions are for Windows, and I am not sure how to translate the menu.lst entry to linux (I suppose it would have to be entered in the "automagic" section). Of course I don't want to create a bootable flash drive but to use my external volumes that already boot on the MacBook Pro without altering them, except for installing the ATI video driver (but I have no problem booting in low graphics mode).
Until karmic there was a trick to make the iMac mistake the external volume for an internal one (the root partition had to have the same UUID as the internal root partition), but this does not seem to work for lucid. Anyway this UUID trick is dirty and causes problems when you want to edit the internal partition (which is the point of the external boot - you get a customized maintenance environment that boots much faster than the CD).
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Sep 21, 2010
I have a MacBook Pro 6,2 that try as I might refuses to boot from live CDs. I have rEFIt installed, and both of the liveCDs I've burnt for 10.10 (32 and 64 bit) do not show up either in rEFIt or when I hold down "option" as my mac boots.
Both CDs will run perfectly as either liveCDs or Installations in Parallels, but I'm looking to (hopefully) someday replace Mac OS entirely with Ubuntu. Being completely unable to see these liveCDs presents a bit of a problem though..
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Jun 18, 2011
I've got a Macbook Pro with rEFIt and Windows 7 installed (I'm not sure if this is relevant), and I'm running into an issue when I try to boot from the LiveCD or a USB (64 bit, due to 4GB RAM).
If I boot from the CD, the Ubuntu splash shows fine, but I run into the error message:
"(initramfs) Unable to find a medium containing a live file system"
I tried then to boot from the USB using rEFIt, but it just gets stuck at the grey screen with tux. The disk images both are OK.
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Feb 15, 2011
I've got a friend's iMac G4, 700Mhz i believe, aka iLampI couldn't install using the desktop version b/c of size restraints.So I finally got the alternate version installed.Now, at boot up, I get an option to choose b/w Linux and the CD. If I wait a while, it continues to load from yaboot. It will then continue again. But before anything else happens, it will lock up. All I see is a black screen. Pressing the caps lock key will not toggle the LED light.
Now, when I get to the yaboot prompt, I can interrupt it and try to boot the partition with different parameters. By the advice of other forum posts, I've tried typing "Linux 1", but the same thing happens (i dont get a command prompt, just a black screen). I've also tried to boot from the alternate CD again and do a rescue and a rescue-powerpc. No go.I've also tried booting into a Live CD (i think it was 10.04 desktop version). That booted into a black screen as well. The only thing I can think of is trying previous versions of ubuntu
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Jan 6, 2010
I'm happy to announce Linvo 2009.1 rc6. It's a full-featured Linux distribution with a lot of applications by default, including an office suite (OpenOffice.org extended with plugins), a good internet browser (Firefox extended with plugins), a music player that supports music collection and a lot more - Exaile, a video player, and all the available codecs. It can open all types of file formats. It's a LiveCD, which means that you can test it without installing and after this optionally install it - it has a nice easy graphical installer.
It's the first Slackware-based LiveCD distribution with GNOME by default. It includes NetworkManager and initng in place of sysvinit. It also features accessibility tools. It is also the first release with the innovative portable applications system. This allows you to download application from the site (modules section), place it where you like, and use it. It's just a single file, no directories. You can also use this application without installing it, directly from the internet. However, after this, the speed of the application is limited by the speed of your connection, of course. Check out the "Applications" section on the website.
Besides this, you can install software with the apt-get-like system "slapt-get" and it's graphical front-end: GSlapt. It also contains src2pkg and sbopkg in case you want to compile something from source or existing SlackBuild Depfinder is included to find dependencies of packages. Click here for a guide on how to use those. I also managed to put development tools in there, like GCC, G++, svn, cvs, so on... This is a release candidate, and despite that it's OK for using. It has a bit more things to do until the release (like language selection on the boot menu), but I decided that it's important to put it here for testing.
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May 7, 2010
I run lucid lynx 10.04 beta (live) on an iMac G4 800MHz flat screen. How do I partionate an 80GB HDD?
In gparted I see 8 very smal partition exept the hfs+ partition. I have thrinked the hfs+ partition and made a 1GB swap, approx 50GB /home and 5GB /.
When I try to install Ubuntu say I need a new world partion for the boatloader. How fix it? first it say I need 8MB, then 1.8GB!
Is it 'newworld' or 'New world start partition' and what should bee the mount-point?
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Aug 20, 2010
I just installed the latest version of Ubuntu on my intel-based iMac with OSX 10.6 (Snow Leopard), but I don't know how to bring it up.
I partinioned my hard drive for it. I inserted the CD and pressed C when restarting my computer for it to come up, then I installed it on the partition. It was done installing and said the computer must restart now, so I pressed OK. I got a black screen with a bunch of white text saying something about an error. It was pretty much "frozen" (I didn't know how to get off the screen), so I turned off the power manually by pressing the power button. I turned the power back on, but I get no option for Linux. I tried putting the CD back in, and it boots from the CD but it's still the non-installed version. So I thought maybe it didn't install, so I pressed install again. It said to choose where to install it, but my partition of free space said Ubuntu was already installed on it.
I'm really confused and don't know how to get it to start up when I turn on my computer.
EDIT: Here's some more info about my mac incase you need it:
iMac
OSX 10.6 Snow Leopard
Intel
4 Gb of RAM
250 Gb hard drive (29 Gb partitioned for Linux)
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Oct 15, 2010
I have an early 17" imac G5 PPC, only 512mb RAM. Been looking at the PPC linux distros available, and xubuntu 10.04 looks good, does anybody run here on an old Imac? Will just be a backup pc.
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Oct 25, 2010
I remembered about my old iMac G3 and currently had OSX 10.2.8 installed on it but its too old to support flash so no ..... or anything (why I stopped using it) I do remember gnash working on it along time ago when I had Ubuntu 4.10 installed, gnash is just really glitchy but that was quite a long time ago I used it so I'm only assuming they have made some updates as Ubuntu progressed.
I tried have now tried 4.10, 6.04, 6.10, 7.10, 8.04, 8.10, and 10.10 all for ppc using the alternate installer cause the desktop installer just makes the iMac restart when I tried it with 8.04 I think it was so I just stuck with the alternate installer method and EVERY one of those versions of Ubuntu fails to install the base system..
I don't know what it is or why this is happening because that is the same disc I used before with 4.10 and it now cant find a file, I tried re downloading 4.10 and burnt it again on my dads laptop (Toshiba Satellite with Ubuntu 10.10) at 8x on a CD (the iMac has a CD ROM only). I can't figure out what to do, I just downloaded the Desktop installer for 10.04 and the alternate installer for 10.04 as well and I'm going to burn both of those and see what happens.
Every install I tried to do I did a full whip to the hard drive so its a fresh install of ubuntu only. I thought maybe something was wrong with the hard drive now so I tried 10.2.4 again and it installed fine and wanted me to update to 10.2.8 again so I turned it off and tried 10.10 again and nothing is working. It's going on a week soon I've been messing with this old computer trying to get it working and everything is failing on me
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Oct 26, 2010
I decided as ubuntu 10.10 was so good on my old laptop i would install it on my old G4 iMac 17" LCD.
However, All I ever get is a black screen.
i tried the alternate install and it all seemed fine until it reboots and.... Black screen!
I burned the ubuntu 10.10 desktop ppc cdrom nice and slow, checked MD5 sums and verified disk etc...
I put it in the cd tray booted up, and let it start the lice cd... For a split second I saw the ubuntu loadscreen before it disappeared in a hiss of static and went to a.... Black screen.
I've tried alt-command F2, but don�t get a console
i am at a loss as to what to do next. I partitioned the whole HDD for ubuntu during the alternate istall. So until i can get Ubuntu up and running, I have a very heavy paperweight.
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Mar 22, 2011
my partner and I have been trying to wipe the mac os 9.2.2 (UK version) and replace with ubuntu 7.04 (previous forums have mentioned this is the most stable version of ubuntu for the G3).
We bought this iMac G3 the other day, cheap, for our sons room... homework, research, music etc. He's used to the windows system that the Mac os looks both boring and confusing to him. so we thought we'd go in between and use the ubuntu os.
Any who! downloaded the iso for ubuntu 7.04, burned the iso image, alternate cd install of course. the only problem we are having is getting the disc to boot at start up on the iMac. (cd rom doesn't have a tray, I've seen this question asked before). the cd burned fine, the disc works on other systems. but when it comes to boot up on the iMac, nothing happens. press and hold down c, cd drive turns the discs a few times then carries on with the original mac os 9 start up.
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Apr 5, 2011
Does anyone know if ubuntu 10.10 will work on an imac g4?
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Apr 17, 2010
It seems that there is no "safe graphic mode" or similar when running the live cd.I only get a blank screen.
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Apr 24, 2010
I installed 9.10 and the graphic driver for the ATI video card. After reboot all was ok. Then I run a system update, it found almost 250 packages to update. After installation, rebooted machine and it hangs on boot.
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