PLEASE help me to boot from setup disc

Skunk007

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Hi there guys I want install OS X but the Startup Manager doesn't show my usb's or the original disc...PLEASE what can I do?
 
Hold down the option key while booting, after the first chime. That should give you a list of bootable drives.


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Your system got a cmos? Maybe the usb is switched off there. I only have experience with PC's.
You don't say if it was working or not. :-)
 
Remove the USB sticks, put the OS X DVD in the drive, hold down "C" when booting. See if that works.
 
Tell us a bit more about the machine - model, etc.

Also, when these alt boot devices are attached (inserted, plugged in) do they show up in the Finder?
 
Tell us a bit more about the machine - model, etc.

Also, when these alt boot devices are attached (inserted, plugged in) do they show up in the Finder?

The machine is a iMAC 17inch it beautiful got it by a friend he cant remember password....now I need to boot from DVD but it didn't want to boot from DVD so what can I do now? GO BOKKE...please help me to fix this problem...
 
The machine is a iMAC 17inch it beautiful got it by a friend he cant remember password....now I need to boot from DVD but it didn't want to boot from DVD so what can I do now? GO BOKKE...please help me to fix this problem...

Sure. First up, let's see if it is a PPC or Intel.

Apple Menu => About This Mac.

Tell me what is says for OS X version and Processor.

Then, I want to make sure that the USB / CD is being detected in the first place. When the Mac is just on, normal circumstances, does the CD or USB show up in the Finder?

It is possible (I know I have done it before) to prevent the system from seeking alternative boot sources at startup. If this is done, then the NVRAM or Open Firmware (depending on processor) needs to be reset and the only way to do this is to disconnect the battery. We'll call that our last resort for now. First, let's get the above.
 
Do one other thing:

Apple => About This Mac => More Info...

The resulting screen is the hardware overview. Copy-paste that text here so I can see exactly which it is. That'll help.
 
Do one other thing:

Apple => About This Mac => More Info...

The resulting screen is the hardware overview. Copy-paste that text here so I can see exactly which it is. That'll help.

can't log in bro the MAC is locked completely......
 
What happens on start up?

Look at the back of the machine - does it have a serial no? IF so, PM me the serial - sometimes we can tell the model from the serial.

Greg
 
What happens on start up?

Look at the back of the machine - does it have a serial no? IF so, PM me the serial - sometimes we can tell the model from the serial.

Greg

Thanks dude check your inbox......thanks for helping me.......it is an iMAC its not a latop.....
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Okay, this is what we know about the mac:
* Processor speed: - 1.0 GHz
* Processor Type: - PPC, G4
* Installed RAM: - 256 MB
* Max. Amount: - 1.0 GB
* Hard Drive: - 80 GB, 5400rpm.
* Drive Bus: - Ultra-ATA/66
* Optical Drive: - This unit has an 2x SuperDrive built in.
* USB: - 3 Ports, USB 1.0
* FireWire: - 2 ports, FW400
* Original OS: - 9.2.2 Classic or 10.2 Jaguar
* Maximum OS: - 10.4.11 Tiger.


The items in BOLD tell me something. Firstly, it is a PPC so IT CANNOT be booted from USB. Later PPCs could be "fixed" to boot from USB but since this is USB 1, no chance.

I also know that many of these particular iMacs had bum DVD drives. Many, not all.

So, all being said and done, I want you to try the following:

Start up the machine and immediately hold down the apple key and the S key. This allows you to start up in single user cmd line mode. This is where it gets hairy.

After a while, you will get the following prompt:
# root

At the prompt, type the following commands, followed by return:
fsck -yf
mount -uw /
rm /var/db/.AppleSetupDone
shutdown -r now


The first, fsck, just does a quick integrity pass on the HD and means we won't mess anything up later
The second, mount, gives us write access to the main HD
The third, rm, removes the startup notification to the system that the machine has been inited by a user. This is where the magic lives
the last reboots.

Once rebooted, the mac SHOULD present you with setup options so you can access the system as an administrator. Do you get this far?
 
Does that mean you are into the finder and can see the files etc?

If so, insert the DVD or CD and see if it appears on the desktop
 
If you are at the setup, then set up a new user - yourself - and that will allow you to get access to the finder.
 
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