Snow Leopard on external?

I recently loaded Snow Leopard on a 2TB G-Tech external drive, to use as a backup system, but my iMac wouldn't start-up from it. I re-formatted the drive using disk utility (GUID, 1 partition, Mac OS, Extended (Journaled)), re-installed Snow Leopard with the drive connected directly using a firewire 800 connection and the system still doesn't recognize the drive as bootable. I can see the drive. I can see that the system was installed on it, but when I hold the option key down at boot-up, it doesn't show up in the list. And when I configure it as the start-up drive, through system prefs, I just get a grey screen and it won't reboot.
This should be really simple but something is awry, any suggestions?
Marcrest

Thanks for all of your responses. I've explained why CCC or SD are not of interest to me. I have CCC, but I don't need to waste space by copying 500GB to this drive as a clone of my main drive. I would simply like to have a drive with a system on it, in case my main drive ever fails. Then I can switch over to the external and troubleshoot the main drive without having to take it in to Apple. The point of this discussion is, WHY is this disk not bootable? It should have been bootable directly from the box. It should have become bootable after I used disk utility and re-formatted with the GUID partition, but it's not?
Lion is coming and therefore it most likely won't matter in the long run but, I just don't understand why it doesn't work.
I switched back to the firewire 800 cable and I have resumed my ability to copy files to the drive.
Lex, you make a good point regarding partitioning the drive. I may consider partitioning it in the end, as I do intend to run Time Machine on it.
Marcrest

Similar Messages

Why can't brand new MacBookPro9,1 (OEM Mountain-Lion) boot from Snow Leopard on external drive, or internal partition?

Why can't brand new MacBookPro9,1 (OEM Mountain-Lion) boot from Snow Leopard on external drive, or internal partition?
Is this because of hardware changes? Or firmware changes? Or is it just and Apple Inc. administrative fiat?

@Steve Holton: Sorry Steve, but you're wrong about that one . I'm using 10.8 (purchased and downloaded) on the internal HD of this MBP8,3 (2.2 GHz, 17"), and I am also able to boot into 10.7.4 and 10.6.8 from external FW800 partitions.
However, I DO have problems with my MBP9,1. It came with 10.7.4 installed and ran fine. Then I purchased and installed 10.8. It ran fine but could no longer boot from 10.7.4 on an external partition. I then reinstalled 10.7.4 on the internal HD and discovered that it is still unable to boot (even 10.7.4) from an external FW800 partition.
One of Apple's Senior Support Advisors has done some remote troubleshooting but the case is still open and unresolved. An earlier Apple Support case suggested that when, I installed the downloaded copy of 10.8, there had been a "firmware update" (behind the scenes) that is now causing the problems with booting from my external partition(s). This apparently is "a bug": it is not what is supposed to happen.
So - I believe - "the problem" really has nothing to do with hardware capability. It is strictly about Apple's strategy for "managing its future customer base". If you don't like it - use something else - I am seriously considering Ubuntu as an alternative.
If there's a hidden caveat in all this it's probably "Read Appple's Licence Agreement VERY Carefully".

Can't Install Snow Leopard on external drive

Hey Mac Addicts,
I'm trying to install Snow Leopard on an external drive (Lacie Triple Rugged, FW800 USB3.0) but keep on getting "Installation failed, can't copy the support files.
My drive is partioned in to 5x100GB partitions, GUID partition scheme. I boot from my installation disk, choose my partition and hit install. The DVD spins and spins and eventually give me a failure. I've tried not installing the custom options (Quicktime 7, Rosetta and have even unchecked X11) but still get the same.
The MacBook Pro I'm trying this from is running 10.6.8 and previous successful attempts at doing this were from 10.6.4, I'm thinking this is the issue, but would rather not have to clean install my machine and try again.
If anybody has any idea's that'll be marvellous, as I am a little confused and lost, especially as I've done this before.
All the best and thanks in advance.
BigMik

Two things,
1: Use FIrewire
2: Use Disk Utility to first Erase with Security Option Zero All Data, the entire drive, then setup the partitions
3: If it doesn't work, then increase the size of the 10.6 parittion or reducing the partitions until it works.
4: Also do all this from the Disk Utility on the internal drive, then try again from the 10.6 install disk. Apple might have pulled something.
Also you can clone your present OS X 10.6 partition using the donationware Carbon Copy Cloner, however the external partition needs to be large enough for all the contents (recommended)
https://discussions.apple.com/message/16276201#16276201

Upgrade to Snow Leopard.. external HD not working?

Hello Everyone, I'm hoping to get some help here so that I don't have to make a trip to the Genius Bar to figure out what is going on. I have a late 2009 edition MacBook Pro (2.53 GHz Core 2 Duo, 4 GB, 250 GB HD). I finally decided to install Snow Leopard today using the drop in DVD that the store provided me with when I bought the notebook in the summer of 2009 (never felt like taking the time to do the upgrade till today). Well, now that the upgrade is done, I can no longer use my Iomega UltraMax 500 GB external hard drive that I use to backup data with using Time Machine. Every time I plug it in, it shows up for a split second and then I get the red alert box telling me that I did not eject it properly. At first, I panicked that the drive is corrupt, but I plugged it into my old PowerBook that I have sitting around and it works perfectly fine. I can open all the files and everything!
I hope someone here can help me troubleshoot what is going on. Could Snow Leopard have screwed with my USB ports or something?
Thank you in advance!

After this happens, have you tried disconnecting the drive and immediately connecting a different USB device (perhaps a flash drive) to the same port the Iomega drive was using, just to see whether the port is still active or has shut down? The behavior sounds like what one would see if the drive were drawing too much power from the USB port, causing the port to shut down. But ordinarily there is an error message that accompanies the shutdown and explains that it's because of a device drawing too much power. And of course your drive shouldn't be drawing power from the port at all unless its AC power supply is failing — but if its power supply were bad, it wouldn't work with your Powerbook.
It's an odd and puzzling problem, and I have no explanation for it.

Using snow leopard on external hard drive w/Mountain Lion OS Mac

I need to use Snow Leopard in order to use some expensive software that will not work in Lion or Mountain Lion. All of our computers have been upgraded to Mountain Lion, whcih doesn't support Rosetta. I was able to install Snow Leopard on an external hard drive and it boots up fine from another computer (that is not mine) that has Snow Leopard as its OS.
But when I boot up from my MacBook Pro (running Mountain Lion) and from my Macbook Air (also running Mountain Lion), I can't seem to do it. I hold the "option" key when starting and I get the option to start from the computer's HD or from the external firewire Snow Leopard drive. When I choose the Snow Leopard drive, it crashes and gives me that black screen with the kernel (?) message in several languages that I need to hold down the Power key to turn off the computer and reboot.
How can I get my MacBook Pro or my MacBook Air to boot up from the Snow Leopard external hard drive? (Once again, it DOES work with a Mac that has Snow Leopard as its OS).

Richard Signes2 wrote:
The question is: How do I start up my MacBook Air (or MacBook Pro) from an external FireWire Bootable hard drive with Snow Leopard on it? When I start up either one with the "option" key pressed, I get the option to start up with the external Snow Leopard hard drive, but when I select it, it crashes, as described above.
You can't if the Mac is a Late 2011 and later, perhaps if it's a Early 2011 (as some came with 10.6 and some with 10.7) and it should be possible for all Intel Mac's earlier than Early 2011.
Also, like what has occurred in the past, Apple does eventually issues a firmware update in later OS X versions so that earlier OS X versions, despite the Mac previously being able to boot from them, won't any longer. However far as I know Apple hasn't done this quite yet, but will one day.
Baring those issues, if you installed 10.6 on a external drive using a machine specific black/gray disk from another Mac, it has hardware drivers for that model/year of Mac only.
If you used the 10.6 white retail disks from Apple, it only has hardware drivers for all previous Intel Mac's that came originally with 10.6.2 or earlier from the factory. Mac's with 10.6.3 or later on the drive from the factory have different hardware drivers, thus not on the 10.6.3 white retail disk.
To find out what OS X version came on your machines, use the free MacTracker and use your model indentifier in the Apple menu More > Info (aka System Profiler)
So for those Mac's that originally came with 10.6.3 or later, machine specific disks must be gotten from Apple, or if your really talented, it's possible to create a univeral 10.6-10.6.8 install disk by combing the 10.6.3 image with the 10.6.8 combo update which will boot on any Intel Mac if the firmware permits and the hardware drivers are compable.
There is a method to bypass the firmware and install on Mac's that are Early 2011/Late 2011 via Target Disk Mode, or via taking the drive out of the machine as some Late 2011's use the same hardware drivers as the Early 2011 machines (only a processor bump basically)
How to revert your Mac to Snow Leopard
For the MacAir, you can install 10.6 via a USB thumb drive, of course provided it has the hardware drivers.
http://www.maciverse.com/install-os-x-snow-leopard-from-usb-flash-drive.html
So in your case you likely should be rather looking at running Snow Leopard in a virtual machine program in Mountain Lion, which MichealLax over at MacRumors has perfected a technique.
Windows in BootCamp or Virtual Machine?
http://forums.macrumors.com/showthread.php?t=1365439

How to install Snow Leopard onto external hard drive.

I'm currently running on 10.5.8, and I just bought the Snow Leopard installation disc to update to 10.6.3.
My mac has been running on an external hard drive for about a year. The internal just stopped working.
I want to install Snow Leopard onto my external hard drive, but all of my files are on there, and I read that if I do the install, all of the data will be erased.
If I used time machine to back up the files before I do the install, are they at risk of being erased, since they will be back-uped on the external?
This is probably super obvious, but I want to be very careful with this.
Any help is very much appreciated!
^__^

1. The data won't be erased unless a problem occurs.
2. The Time Machine backup should be on a different drive, as drives can fail.
(92634)

Snow Leopard on external firewire hard drive keeps crashing/freezing

I own a 2006 iMac that came with OS X 10.4 Tiger installed and it has always been stable and reliable. Lately I had the need to use some software that only ran on OS X Snow Leopard so I installed an external Firewire (Western Digital) 260GB hard drive and put OS X Snow Leopard on it. For the first few months, everything ran fine, but as the drive slowly filled up (or perhaps with time), my Leopard external drive started giving problems, most commonly, it would lose its Ethernet connection for no reason, or I would get a line of black/multicoloured pixels appearing across my Firefox browser (or something else weird would happen to the display), followed by the rainbow wheel spinning indefinitely... this happened more and more often, when I opened too many applications at the same time, or more than 3-4 tabs in Firefox. Occasionally the screen would "white out" or go completely black. I'd have to physically switch the computer off and on again.
However, I still have not even used 20% of the hard disk space so its not a matter of the hard drive becoming full...
The Tiger internal drive is still running 100% fine so it's not a problem with my RAM...
I've tried verifying/repairing the disk, but it doesn't show any problems. Any ideas about what I should try doing next?
Thanks in advance for any pointers.
Message was edited by: artemisworks

Just so I understand this correctly:
1. Your internal hard drive is on Tiger?
2. Your external (a WD) is on Snow Leopard?
3. Where is the "partition"? Do you have either drive partitioned?
4. You only have the problems when you are booted from/working on something using the external drive?
I've seen quite a few posts here regarding problems with external Western Digital drives; it appears that their internal drives are fine, but the externals do not play nice with Macs after a while (maybe the enclosure they use??).
In any case, if your problems are only when using the Western Digital, I'd say return it if possible, get it replaced, or buy a different brand and use the WD as a not-often-needed extra backup.

Installed OS X Snow Leopard on external HDD, now won't allow me to delete files from Mac internal drive

Hi,
I am stuck! My 1 TB iMac 27" decided to stop booting up and would only stay at the grey screen with the apple, gear turning and progress bar. When it got to a certain point on the progress bar it would shut down. Thanks to so many helpful people and their experiences I was able to try many different things including (Command + S, typing /sbin/mount -uw / enter , chmod 775 / enter, logout enter, then rebooting holding down Command + V) and (Reinstalling OS X and using Disk Utility to repair - came up with Disk can't be fixed).
Nothing worked until I read a couple of very wise answers who said "Your hard drive is not dead, but too full...keep at least 10% free at all times". I was down to about 1% (ooops!) Thankfully hubby had bought me an external HDD for Christmas, onto which I installed OS X and being connected to my iMac, it recognized my internal Macintosh HD and all my files are there. Phewww! But I don't want to use my external HDD as my startup disk, I wan't to keep my Macintosh HD for startup but it is too full to repair and select as startup.
My problem is that I cannot delete files from Macintosh HD, and I've tried to unlock files/folders but they don't seem to be locked. But when I drag them to the trash can it says "The item ... can't be moved to the Trash because it can't be deleted." Again, many helpful answers online, but nothing is working. I have 2 Finder windows open, one with external HDD (new startup disk), and old HDD (Macintosh HD) but all items in Macintosh HD can't be altered or deleted (right click doesn't highlight to change the name). So if I can't delete my files, I can't reinstall OS X and repair disk and select it as my startup disk. I'd be so thrilled if someone can help me. I have tried unlocking folders, and I downloaded 'Trashit'. Neither worked, so I figure because it has the little pencil crossed out on the menu bar that it is protected somehow...I just don't know how/what to do. Thanks

Ok, so I'll try set it out a bit clearer than my first post,
This is what I've done, and the results:
1. My son unplugged working iMac Mac OS X Snow Leopard 10.6.2, 1TB with only 11GB available space
2. Turned it on and got the white screen, apple, turning gear and load-up bar
3. Turned Mac off and waited 1/2 a minute.
4. Turned Mac back on...(same as 3.), tried again many times
5. Began searching internet for answers (see original post)
6. Found answers and did the following:
               1.     Put OS X installation disk into drive
               2.     Attached External Hard Drive
               3.     Installed OS X onto External Hard Drive (With a different name & password to original HDD)
               4.     Found Macintosh HD still worked so tried to delete files only to get message saying                                           files couldn't be deleted (see original post)
I've tried changing the permissions in 'Get Info' and this is what happens:
1.Right click Macintosh HD - says "You can only read"
                                                  Name: System - Read & Write
                                                             Admin -   Read & Write
                                                             Everyone - Read only
2.Click on padlock to unlock - doesn't turn black to be able to change anything
3.Check the box "Ignore ownership on this volume" (someone else advised to do this)
4.Name changes to 'mydrive (Me)'
5.Lock padlock and Name still says mydrive (Me) but still 'You can only read'
I don't know what is wrong or what to do, but perhaps you are right LowLuster, that because I named them different names it is protected in some way.
My thought now is to copy all my files to the external HDD and then erase and install again on my internal HD, but I really need my calendar, emails etc from my old HD and not sure they can be found on the old HD to copy over.
Still stuck!

OS X Lion installed, want OS X Snow Leopard on External HD

I upgraded to OS X Lion (which I love), but I would like to install OS X Snow Leopard on an external hard drive. Unfortunately after inserting the Snow Leopard disk, I am receiving the message: "You cannot install this OS with the current OS you are running"
Would restarting the comp to boot from the Snow Leopard disk work?
If anyone can help, that would be great!

Install Snow Leopard
1. Boot from your Snow Leopard Installer Disc. After the installer loads select your language and click on the Continue button. When the menu bar appears select Disk Utility from the Utilities menu.
2. After DU loads select the external hard drive (this is the entry with the mfgr.'s ID and size) from the left side list. Click on the Partition tab in the DU main window.
3. Under the Volume Scheme heading set the number of partitions from the drop down menu to one. Set the format type to Mac OS Extended (Journaled.) Click on the Options button, set the partition scheme to GUID (for Intel Macs) or APM (for PPC Macs) then click on the OK button. Click on the Partition button and wait until the process has completed.
4. When formatting is complete quit DU and return to the installer. Install Snow Leopard. Be sure you select the external drive as the installation target.

Installing Lion/Snow Leopard on external hd

hello,
i was wondering if it was anyway possible to Install Lion/Snow Leopard on an external hd so that i could use the external hd as my main hd.

Absolutely. This is how I do my upgrades for my MacBooks. I first install to the external drive, and then after I have verified that everything is working I swap the internal and external drives. When the Installer starts, you will have the option to select which disk you want to install on. If the drive is not already set up with a GUID partition table you will have to do that in Disk Utility before you can install Lion on it. During the installation you will have the option to move all your files and settings over from the internal drive.

Ever since snow leopard my external drive keeps disconnecting

i love airport base station extreme- it worked well for years. i get snow leopard (which is also great), but- now my external keeps disconnecting. i have it partitioned for time machine as well. but now it keeps disconnecting after five or six minutes. any help?

I am experiencing the same issue. I lost a complete hard drive volume due to this situation. About 2 years of data down the tubes and unrecoverable through Drive Mechanic 3 and other sources.
Please Apple, look into this as I am about ready to downgrade back to Leopard to prevent this. I thought it was my firewire enclosure but it turns out it is doing it with my USB mounted drives as well.
Both drives have been plugged in to external power by the wall plug and not bus powered so that would not be a cause for them to disconnect in terms of the bus powering them down.

Install snow leopard from external hard drive-terminal problems!

hi everybody ,
i have a big problem :s
wanted to restore and getting "Restore Failure Could not find any scan information... then i've followed some terminal commands..finished restoring and couldn't boot cause i only find Macintosh HD when i use "alt option" when i restart my macbook pro and even if i go to "startup Disk" i can find my partition of the external hard drive but when i click on it nd do retart it's can't boot ...another thing is tht m having a slow start and it's ask for my Password (i've no problem with password it just doesn't ask me to enter it before and i have internet and server failure)
Due to terminal commands?? :((
Plz help :s

"How to install Snow Leopard from an External Hard Drive"
* Launch Disk Utility
* Select the External Firewire/USB device that you want to use as the boot drive for the upgrade
* Click “Partition” from the menu options
* Select 1 Partition, then click “Options” below the partition scheme
* Select the top option for “GUID Partition Table” – it MUST be GUID to be bootable!
* Click OK to create the GUID partition (this will reformat the drive, ie: all data is lost)
* Next, click the “Restore” tab within Disk Utility
* Select your newly made Snow Leopard 10.6 Install DVD image and restore this image to the GUID partition you just created OR…
* Alternatively, you can select the Snow Leopard Install DVD and restore directly from the DVD to the GUID partition
* After the restoration is complete, your GUID partition will now be bootable by Mac OS X!
* Reboot the Mac holding down the “Option” key to pull up the boot loader, select the Snow Leopard install drive you just created rather than your default Mac OS hard drive
* Install Snow Leopard as usual!
Hope this helps!

Snow Leopard and external firewire drives

When is Apple going to acknowledge the problems with external drive access created by Snow Leopard?

Quite correct. I should not expect Apple to answer the question here. And who knows maybe they are actually working on a solution.
Since you made a kindly offer I will describe the problem in more detail.
Since upgrading to SL I have had constant problems with my firewire external drive. Unfortunately that was the drive with my Time Machine backups. The symptoms of the problems revolve around startup and recognition of the drive. The drive appears in the list but will not open, Time Machine attempted to initiate backup and just spun. I discovered that it was necessary to completely shut down my Imac, disconnect the firewire drive and power it down. I have tried leaving the drive connected and powered, sometimes the Imac sees the drive sometimes not. I have tried leaving the drive connected but powering it down, powering it up and starting the Imac sometimes it sees the drive sometimes not but more frequently than when I leave it connected. The most reliable way to reconnect to the drive is to shut down the Imac, disconnect and powerdown the drive, startup the mac, login, repower the drive and reconnect.
In the course of trying to find a solution I have tried both Disk Utility use and Tech Tool Pro. Both programs are unable to correct the problem, most frequently displaying the message "unable to unmount drive". However after the above mentioned repower sequence running either Disk Utility or TechTools Pro describes the drive as OK.
In the course of all of this I decided to wipe the drive and reformat. I was unable to remove the Time Machine files to another drive so I made the decision to abandon the backups since I made additional manual backups of the critical files and I have all my install disks.
I reformated the drive but I have not started Time Machine again. Time machine has not worked once successfully since I upgraded to Snow Leopard. And further it is clear that the same problems exist on the reformatted drive. At this point probably the best solution is to abandon SL until it leaves beta stage (if ever) and return to 10.5. Had I made that decision earlier I might (emphasize might) have been able to restore from Time Machine. Now the only option is a fully manual restore back to 10.5.
I would like to emphasize that I operate and have operated my Macs as absolutely "box stock" with no system tweeks or any third party tools. The majority of my software on this machine is Apple both Works and Life. I have MacLinkPlus Quicken, Stuffit, Bento, Data Desk, Photoshop elements, Firefox browser, Flip 4 Mac and DivX as the only third party software.

Running Snow Leopard from External Hard Drive

I have some teacher software that lion won't run. It was suggested to me to run snow leopard from an external hard drive. I have an external WD hardrive for mac. Can someone share with me on how to do it?
Thanks!

Have a look here
http://support.apple.com/kb/HT1948

Cannot boot Snow Leopard from external FireWire drive

I use a Western Digital My Passport Studio 500 GB external drive to back up my MacBook Pro with Time Machine. I had created a 30 GB Leopard boot partition with various utilities and tools; since the small drive goes wherever the laptop goes, I figured it might come in handy to be able to boot the computer in the event something went wrong with its internal 250 GB drive.
Over the weekend, I upgraded the external drive to Snow Leopard, and now it can no longer be used to boot the laptop. The symptoms are truly weird. Holding down the Option key while rebooting does not show the external drive unless I disconnect and reconnect the FireWire cable. The drive then shows up. I select it, and it appears to begin to boot, then it just sits on the gray screen with the little round thingie turning for a long time (five to ten minutes). Eventually, the system boots from its internal drive. This happens regardless of whether I'm connected by means of FireWire 400 or 800.
After spending a lot of time looking at the usual suspects (cables, permissions, PRAM, etc.) I reinstalled Sand Leopard (OK, 10.5) and lo and behold, the drive boots again (though for some reason I still have to go through the disconnect/reconnect routine). Clearly, something in the OS has changed with respect to the way booting from external drives is handled.
On the positive side, I have none of the symptoms described in other threads: Time Machine works flawlessly, and both the boot partition and the Time Machine partition appear on the Snow Leopard desktop every time I connect the drive.
Does anyone have the same issues? Does anyone know of a workaround?
Thanks,
Daniel

Hi,
Working from a MacBook Pro 2.4 (Santa Rosa) with 4gb ram, running OS 10.5.7-
(All external HDs are 7200 rpm)
Shortly after our fresh install of Snow Leopard onto a new but already tested External 1.5 Seagate Barracuda (with the most current firmware), in an OWC Mercury Elite enclosure-
We installed Snow Leopard smoothly to that external HD without any issues, and it booted up from that 1.5T external HD, and worked fine.
Then, still working from the MacBook Pro, I turned on and booted another external HD (a Newertech Guardian Maximus RAID running 10.4.11 via FW800, daisy chained to the 1.5T External with Snow Leopard newly installed.
Again that's MacBook Pro <FW800> Snowy external HD <FW800> 10.4.11 RAID (booted & working from the RAID).
But when I tried to bootup up Snow Leopard, after doing the work on the 10.4.11 RAID-
It would not boot up.
Though Snowy would appear as an available Start Up disk, each time it was selected as the Boot drive,
the Internal HD OS 10.5.7 booted instead.
I changed around the cables and tried repeatedly.
Same result, no Snowy boot.
Even after the OS 10.4.11 external RAID was power down, and disconnected.
After some looking around, I found this forum:
http://discussions.apple.com/thread.jspa?threadID=2136208&tstart=0
Got me thinking.
I tried the USB, and it booted !
I tried the FW400, and it booted !
And mysteriously, at this point- I tried the FW800, and it booted !
And then, the MBP boots seemed to reliably boot from that external, via FW800.
Bizarre.
Snow Cat needs to be taught originally how to find FW800 from the bottom up ?
Turns out, Snow Leopard doesn't like booting,
if the preceding boot was on the 10.4.11 RAID, and work was done with programs there.
So, once again, I repeated this process:
After working with programs on the 10.4.11 external HD,
the MBP would not boot the Snow Leopard external HD,
it defaulted to booting from the MBP internal HD OS 10.5 via FW800.
even though Snowy was selected for Start Up.
This was the case repeatedly.
(It would also boot from the 10.4.11 external RAID, if it were selected for Start Up.)
(In each of these tests below, I only rebooted the computer at each test. I did no work with programs on the various HDs.)
SO, once again, at this point of the process:
I plugged in that Snowy external HD via FW400,
and it booted up fine !
Then I booted up from the Internal 10.5, and tried to boot Snowy via FW800 again.
It worked !
Then I turned on the 10.4.11 RAID external HD, and tried to reboot from the Snowy external HD.
It worked too !
Then I booted from the 10.4.11 RAID, it came up fine.
Then booted from the Snowy, it came up fine.
Then booted from the Internal HD 10.5, it came up fine.
Then booted from Snowy again, it came up fine.
Then I turned off the 10.4.11 HD, booted from Snowy, it came up fine.
Then booted from the Internal, it came up fine.
Then tried Snowy one last time, it came up fine.
Anyway, the issue is:
It works fine-
Except when I do work within the programs on the 10.4.11 external RAID.
Then I have to use FW400 or USB to get it to boot once again . . .
Regardless of whether the other external HD is removed from the system.
It's some sort of flaw, and totally repeatable in testing.
Hopefully, it will be fixed soon.
Howard

After installing Snow Leopard, my external apple keyboard does not work. Any ideas?

After installing Snow Leopard (v. 10.6.3), my external Apple keyboard no longer works. Any ideas?

The laptops are called MacBooks there really is no MacPro laptop.
MacBook Pro Apple Support -
MacBook Pro specs 17-inch model
MacBook Pro

Snow Leopard on external?

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