LR4 Install. My Images are on External USB

HI
During a clean install of LR4 it comes up with an "Import" dialogue box for importing into LR4.
However my Pics are on an external usb drive and the LR3 Cat I saved to usb.
Whats the process to install this type of setup
Thanks in Advance Carlo

Start from your OS file browser (explorer in windows, finder in mac), point to the LR3-catalog file on your USB and choose to open it with LR4.
It should get auto-converted to lr4.
Then close LR4 and move all created catalog stuff onto your USB. Open the catalog from there again and ensure that all catalog settings fit to the location on your USB-drive, same as you did previously for running LR3 from this drive.

Similar Messages

R&R Backup (Image) on two external USB drives

Hi Forum,
in the early BIOS state of my T500 and working with Vista I had to rebuild my system several times due to OS failures. For that reason I periodically run R&R and make images on an external USB drive.
Since I'm traveling very much I always have the USB drive with the image with me. The drive contains one basic backup and some incremental backups up to level 25 (at the time being).
Now my goal: in case of a theft or a failure of that USB drive, I want to keep a second image on another USB drive at home.
Now my questions:
1: Is it possible to make backups with R&R (basic and incremental) of one computer on several USB drives?
In that case R&R must detect which incremental level is present on the USB drive and create the appropriate backup (management of the levels on the USB drive, not on the computer).
Example: USB drive A contains one basic backup and some incremental backups to level 12 (consistent) - USB drive B contains one basic backup and some incremental backups to level 17 (consistent as well).
2: If the answer to question 1 is "yes" - does R&R manage this automatically in the windows interface or is it necessary to use the DOS level (rrcmd.exe). Which switches are to be set?
Many thanks for help
Axel

It is a difficult question: the help file isn't entirely clear.
Here is my recent experience: using R&R 4.21 I had backed up my machine to the internal drive + 1 external USB drive several times, so that there was the base back-up and several incrementals on both drives. I also had copied the base backup + earlier incrementals to DVDs using the advanced menu entry for that task, just to be on the safe side. And, using another program (the free version of Syncback by 2BrightSparks), I regularly duplicate documents + pictures to the USB drive, so I'm covered in 3 different ways on 2 types of external hardware.
On one or two occasions I did an incremental backup on the internal drive only--but the next time I did an incremental with the external USB drive attached, the missed incrementals were synchronized onto the external drive.
Now, 2 weeeks ago I decided to zap the main disk and rebuilt the OS + programs to have a "clean slate" for 2010. When I had finished reinstalling everything minus personal files, I made a base backup (the only choice offered) on the internal drive with the external drive attached. This effectively erased the existing earlier backups on the external drive and copied over the new base backup.
So this synchronization only operates in one direction: the external USB drive's store of R&R backups is a replica of what is on the main internal drive.
I strongly suggest trying this all out (i.e. missing an incremental backup on the external drive, then making sure it has catched up after the next incremental backup) after making an external copy on DVD of the R&R backups. In fact, if you have the nerve, the patience and the time (and the DVD backups!), you should also try a bare metal restore of the DVD backup (I did last year when I bought this machine and hadn't too many personal files on it-- R&R 4.21 does actually work!)
sorry i can't be more specific, but my advice is to practice the "disaster recovery" at least once, early on, in order to be sure how it works if disaster does strike.

Backing up to encrypted disk image on an external usb drive

I'd like to use an encrypted disk image on an external USB drive as the target for my Time Machine backups, but it seems that Time Machine will only recognize physical external drives, and not mounted disk images in the "Change Disk..." window.
Is it possible to make Time Machine use disk images mounted from an external USB drive?
Thanks.

..."Is it possible to make Time Machine use disk images mounted from an external USB drive?"...
Actually, with a few caveats, it is possible.
Just follow one of the many tutorials on the web for creating an encrypted sparse bundle for use with "TimeMachine" on a network volume (i.e. MACaddress.sparsebundle naming convention, password stored to the system keychain, etc.), and then attach the drive locally and select the drive (not the mounted disk image) as the backup drive. As "Glen Carter" reported in another thread on this site, "TimeMachine" is smart enough to know to mount the disk image for backups when the drive is connected locally.
There are caveats for example, - while backups remain automatic, it appears that actually browsing the backups requires that the disk image be mounted manually first, then accessed via the "Browse Other Time Machine Disks…" option.
One caveat to pay particular attention to is what happens when the drive starts to fill up and space becomes limiting - the processes of deleting expired backups and sparse image compaction may not be well integrated, as discussed here:
http://www.flokru.org/2008/03/15/time-machine-backups-on-network-shares-2-possib le-problems/
The article implies that the end result could be deletion of all backups! The article is dated March 2008 but I have no idea whether the issue has been resolved.
Just be advised that it is an unsupported configuration so the extra security will come at the cost of some convenience and potential increase in the chance of data loss. Most users recommend using supplemental backup strategies since the intended purpose of TimeMachine is actually very limited and often misunderstood. Apart from that, it is a rule written in stone that whenever encryption is used, the encrypted items themselves must be backed up.

Can I install windows 7 to an external USB 3.0 drive via bootcamp?

with the new airport extremes supporting USB 3.0, can I install windows 7 to an external USB drive via bootcamp?
i'm not willing to sacrafice any of the limited space on the SSD, but i'm very willing to get a good performing USB 3 drive, and use it as necessary with windows.
if this wouldn't work via bootcamp, can it be done on a windows PC and plugged in subsequent to the install to work on the road?

Installing Windows on an external drive is not supported.

Cannot boot my Intel iMac after installing Snow Leopard on an external USB

I have an Intel iMac with Snow Leopard installed. I have several FW and USB external drives. When I installed Snow Leopard from the Apple install disc on one of the USB drives to act as a backup the system rebooted and the Apple logo appeared and then the spinning gear wheel. After a while the logo was replaced by a circle with a line through it. I booted back into the install disc and tried Startup Disc from Utilities and selected Macintosh HD with the same result. Then I restored the system on my internal drive (Macintosh HD) from Time Machine. Still no luck. Does any one have any ideas before I reformat and reinstall from the SL installer disc?

Fred LaVenuta wrote:
Thanks for the replies. I was under the impression that Intel Macs can be booted with a USB drive
I just learned today that this is true from one of our Level 4's. PPC macs can't boot on USB drives and I thought that carried over to Intel, but I was wrong.
Didn't mean to misinform you!
Ultimately, I reformatted my internal drive, reinstalled the OS and did a restore from my latest Time Machine backup with Migration Assistant. I didn't lose any data but the restore process took 3+ hours.
Great! Glad you had success!
Dale

Creating an Encrypted Disk Image on an External (USB) Drive

I have an external 600 GB drive (2x 300 GB SATA 3.5" disks in a Thecus N2050 RAID0 external enclosure connected to iMac by USB2) onto which I would like to backup a large amount of data (500 GB).
I store this external drive away from my home (in the office) and since I cannot guarantee physically locking away the drive I would like to logically lock the drive by placing all the backup data into an encrypted disk image created on that volume.
I have tried creating an encrypted disk image on my USB volume in Disk Utility (Apple's instructions here) but I experience a number of issues not documented in the Apple article:
1) I am not presented with a drop-down option for the size of the disk image.
2) When I go ahead and try to creat the image I am told that the creation was impossible "file or folder does not exist".
Is it possible to create disk images on USB volumes (I cannot create such a large disk image on my iMac HDD as I do not have sufficient space).
thanks in advance
Raf

I realised that in Disk Utility you must not have any of your mounted drives highlighted in the left hand pane.

[SOLVED] external USB HDD fails to install arch w/boot device ERROR

I've been working on installing arch linux via an external USB harddrive (specifically seagate free agent go 320GB) for 1 week now, and everytime I failed - until TODAY! thankfully I found this post, where user Dieter@be references this link, which displays BUG ID#17231 at the top titled "Can't boot LiveCDs 2009.08 (/dev/archiso doesn't show up)". the bug report states ::
I can't boot the LiveCDs 2009.08, neither netinstall nor core.
When it tries to access /dev/archiso it shows these messages:
:: Waiting for boot device ...
Waiting 30 seconds for device /dev/archiso ...
ERROR: boot device didn't show up after 30 seconds ...
Falling back to interactive prompt
You can try to fix the problem manually, logout when you are finished
ramfs$
reading further thru this bug report, I found a very insightful post by Heiko Baums (cyberpatrol) where he says the following, and I quote ::
Problem found. The link /dev/archiso wasn't created.
After
ramfs$ cd /dev
ramfs$ ln -s sr0 archiso
ramfs$ exit
it continued booting correctly.
And sg was also loaded after this. ;-)
as you see, the bug report was for the CD version, not the USB version - yet, my issue with the USB bootdisk was the same, (no matter which boot disk I tried = netinstall, core, .img, .iso, etc) meaning I got the EXACT same error = "ERROR: boot device didn't show up after 30 seconds ..." ! well, I figured that I'd try one of the new fancy ISOs found @ http://build.archlinux.org/isos/ - specifically I use/used archlinux-2010.03.04-netinstall-x86_64.iso.
upon running Unetbootin from windows 7, and choose to install the ISO archlinux-2010.03.04-netinstall-x86_64.iso to my first partition on my USB harddrive (that first partition being FAT32, and had already been set as bootable previously), that completed successfully. I rebooted, and choose to boot from USB drive, the ISOlinux bootloader came up as normal, I choose DEFAULT and off it went.... sure enough, it errored out at the same place as listed in the bug report ::
:: Waiting for boot device ...
Waiting 30 seconds for device /dev/archiso ...
ERROR: boot device didn't show up after 30 seconds ...
Falling back to interactive prompt
You can try to fix the problem manually, logout when you are finished
ramfs$
this time though, I issued the following 2 commands ::
ln -s /dev/sdb1 /dev/archiso
exit
from there, EVERYTHING worked as it should!
to recap: the solution for me was create a symbolic link pointing /dev/archiso => to my partition which held the archlinux netinstall (which is where I told Unetbootin to install it to)! done and done. I felt this needed to be posted here, as I could not find this solution after MANY google searches, archlinux wiki searches, forum searches, etc. honestly, I think it would be prudent to have this tidbit of information added to the Install from USB stick archwiki page as a side note to those that may run into this issue.
this is not the FIRST time I have run into this problem with a USB install of archlinux, but this is the FIRST time I found a fix! thanks to all the great posts I reference here, without this information I dont think I would have been able to install archlinux on my new alienware m11x laptop.
-peace-
PS: no amount of rootdelay=XX nor pmedia=usb nor usbdelay=XX would work in my above attempts either.
Last edited by fnord0 (2010-03-12 04:54:26)

FAT16 here. Parted Magic sees my USB drive as sdd. I tried your way and surprise, surprise, it didn't work.
ln -sf /dev/sdd /dev/archiso
mount -t vfat /dev/archiso /bootmnt
mount : Invalid argument
I thought maybe you meant mount -f vfat /dev/archiso /bootmnt instead. I tried it too, it resulted in a kernel panic.
What else can I try besides installing from a IDE/SATA CD drive ? Because this issue is NOT solved. At least not for me. Wonder if "archlinux-2010.04.05-netinstall-i686.iso" from the here will solve it (really hope so).
SOLVED IT HERE (with yet another image): http://bbs.archlinux.org/viewtopic.php?id=93645
Last edited by DSpider (2010-04-17 14:21:27)

Imaging from external DVD player or an external usb hard drive

Hey,
At the High School i work at we are running Netware 6.0 SP5 and Zenworks
4.01 ir6. We have Zen Partitions installed on most computers to store a
local image in case the the computer needs to be re-imaged.
However, we have a dilemma. Every now and then a hard drive will go in a
computer.
When we replace the hard drive with a new one, we install the Zen
Partition, do the config and then our last step is to bring down an image.
Unfortunately our only means of dropping down an image is from the network
either through normal imaging or through multicast sessions.
When we drop an image down from the network which takes up network
bandwidth, it causes slow downs on the users computers and they start
complaining. Our network is running at 100mb.
Is there any way possible to image from an external DVD player or an
external usb hard drive when dropping down an image to a new hard drive in
the computer? Currently I have all my Zen Images on the external USB
Maxtor 160gb hard drive and I also have Zen Images burnt to DVD's.
If so, how do I go about doing this and is there documents on doing this?
Thanks!!!

Bpilon,
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posting. That concerns us, and has triggered this automated reply.
Has your problem been resolved? If not, you might try one of the following options:
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http://support.novell.com.
- You could also try posting your message again. Make sure it is posted in the
correct newsgroup. (http://support.novell.com/forums)
Be sure to read the forum FAQ about what to expect in the way of responses:
http://support.novell.com/forums/faq_general.html
If this is a reply to a duplicate posting, please ignore and accept our apologies
and rest assured we will issue a stern reprimand to our posting bot.
Good luck!
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CD/DVD Install from an external usb drive

Is there any version of Solaris 10 (x86) or a download tool or driver that would enable me to install the OS from an external usb CD/DVD drive?
My internal CD/DVD drive on my older SONY laptop has gone bad and SONY support has been less than helpful in providing me any support for a replacement.
-verO

Not (yet?) with Solaris 10 x86, but it might work with current Solaris Express x86
releases.
But I've never tested this.

Install Windows XP on external USB drive - MSI 915P

I have a MSI 915P motherboard and i am trying to install Windows XP on my external USB hard drive. Everything is fine installing Windows XP but when it says to reboot the USB drive does not boot. Any help please?

BIOS is set to boot from USB device. It shows Windows XP Home Edition on my internal drive and XP Professional on my USB drive. Internal boots but USB hangs with a dark screen... ??? ??? ???

External USB hard disk fails to boot

I installed Arch Linux on an external USB Lacie 1 TB Hard Disk. I followed instructions on WiKi: "install from exisiting linux", method 2, since I already have Linux installed
on the internal HDD of my laptop (dual boot with Windows, also with Grub as bootloader).
Problem: The external HDD stalls during boot right after the "Welcome to Grub!" - message. I can only hard-reset my laptop from there.
The external HDD has msdos Partition Table. It is recognized by BIOS just fine, since I can choose to boot from it. It has following (very simple) partition setup:
[root@arch-laptop chris]# fdisk -l /dev/sdb
Disk /dev/sdb: 931.5 GiB, 1000204886016 bytes, 1953525168 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disklabel type: dos
Disk identifier: 0x000c9610
Device Boot Start End Blocks Id System
/dev/sdb1 * 2048 40962047 20480000 83 Linux
So there's just the root partition, no boot or home partition defined. Grub installed to the external HDD with no errors.
Here's the grub.cfg auto-generated, without anything adapted. The UUID of the external HDD /dev/sdb1 is correct.
[root@arch-laptop grub]# cat grub.cfg
# DO NOT EDIT THIS FILE
# It is automatically generated by grub-mkconfig using templates
# from /etc/grub.d and settings from /etc/default/grub
### BEGIN /etc/grub.d/00_header ###
insmod part_gpt
insmod part_msdos
if [ -s $prefix/grubenv ]; then
load_env
fi
if [ "${next_entry}" ] ; then
set default="${next_entry}"
set next_entry=
save_env next_entry
set boot_once=true
else
set default="0"
fi
if [ x"${feature_menuentry_id}" = xy ]; then
menuentry_id_option="--id"
else
menuentry_id_option=""
fi
export menuentry_id_option
if [ "${prev_saved_entry}" ]; then
set saved_entry="${prev_saved_entry}"
save_env saved_entry
set prev_saved_entry=
save_env prev_saved_entry
set boot_once=true
fi
function savedefault {
if [ -z "${boot_once}" ]; then
saved_entry="${chosen}"
save_env saved_entry
fi
function load_video {
if [ x$feature_all_video_module = xy ]; then
insmod all_video
else
insmod efi_gop
insmod efi_uga
insmod ieee1275_fb
insmod vbe
insmod vga
insmod video_bochs
insmod video_cirrus
fi
if [ x$feature_default_font_path = xy ] ; then
font=unicode
else
insmod part_msdos
insmod ext2
set root='hd1,msdos1'
if [ x$feature_platform_search_hint = xy ]; then
search --no-floppy --fs-uuid --set=root --hint-bios=hd1,msdos1 --hint-efi=hd1,msdos1 --hint-baremetal=ahci1,msdos1 5fe1d28c-2640-4b5c-b98b-75d147479348
else
search --no-floppy --fs-uuid --set=root 5fe1d28c-2640-4b5c-b98b-75d147479348
fi
font="/usr/share/grub/unicode.pf2"
fi
if loadfont $font ; then
set gfxmode=auto
load_video
insmod gfxterm
set locale_dir=$prefix/locale
set lang=en_US
insmod gettext
fi
terminal_input console
terminal_output gfxterm
if [ x$feature_timeout_style = xy ] ; then
set timeout_style=menu
set timeout=5
# Fallback normal timeout code in case the timeout_style feature is
# unavailable.
else
set timeout=5
fi
### END /etc/grub.d/00_header ###
### BEGIN /etc/grub.d/10_archlinux ###
menuentry "Arch Linux pkg-linux kernel" --class arch-linux --class arch --class gnu-linux --class gnu --class os {
if [ x$feature_all_video_module = xy ]; then
insmod all_video
fi
set gfxpayload=keep
insmod ext2
if [ x$feature_platform_search_hint = xy ]; then
search --no-floppy --fs-uuid --set=root --hint-bios=hd1,msdos1 --hint-efi=hd1,msdos1 --hint-baremetal=ahci1,msdos1 5fe1d28c-2640-4b5c-b98b-75d147479348
else
search --no-floppy --fs-uuid --set=root 5fe1d28c-2640-4b5c-b98b-75d147479348
fi
echo 'Loading Arch Linux pkg-linux kernel ...'
linux /boot/vmlinuz-linux root=UUID=5fe1d28c-2640-4b5c-b98b-75d147479348 rw quiet
echo 'Loading Arch Linux pkg-linux kernel initramfs ...'
initrd /boot/initramfs-linux.img
menuentry "Arch Linux pkg-linux kernel (fallback initramfs)" --class arch-linux --class arch --class gnu-linux --class gnu --class os {
if [ x$feature_all_video_module = xy ]; then
insmod all_video
fi
set gfxpayload=keep
insmod ext2
if [ x$feature_platform_search_hint = xy ]; then
search --no-floppy --fs-uuid --set=root --hint-bios=hd1,msdos1 --hint-efi=hd1,msdos1 --hint-baremetal=ahci1,msdos1 5fe1d28c-2640-4b5c-b98b-75d147479348
else
search --no-floppy --fs-uuid --set=root 5fe1d28c-2640-4b5c-b98b-75d147479348
fi
echo 'Loading Arch Linux pkg-linux kernel ...'
linux /boot/vmlinuz-linux root=UUID=5fe1d28c-2640-4b5c-b98b-75d147479348 rw quiet
echo 'Loading Arch Linux pkg-linux kernel fallback initramfs ...'
initrd /boot/initramfs-linux-fallback.img
### END /etc/grub.d/10_archlinux ###
### BEGIN /etc/grub.d/10_linux ###
menuentry 'Arch Linux' --class arch --class gnu-linux --class gnu --class os $menuentry_id_option 'gnulinux-simple-5fe1d28c-2640-4b5c-b98b-75d147479348' {
load_video
set gfxpayload=keep
insmod gzio
insmod part_msdos
insmod ext2
set root='hd1,msdos1'
if [ x$feature_platform_search_hint = xy ]; then
search --no-floppy --fs-uuid --set=root --hint-bios=hd1,msdos1 --hint-efi=hd1,msdos1 --hint-baremetal=ahci1,msdos1 5fe1d28c-2640-4b5c-b98b-75d147479348
else
search --no-floppy --fs-uuid --set=root 5fe1d28c-2640-4b5c-b98b-75d147479348
fi
echo 'Loading Linux linux ...'
linux /boot/vmlinuz-linux root=UUID=5fe1d28c-2640-4b5c-b98b-75d147479348 rw quiet
echo 'Loading initial ramdisk ...'
initrd /boot/initramfs-linux.img
submenu 'Advanced options for Arch Linux' $menuentry_id_option 'gnulinux-advanced-5fe1d28c-2640-4b5c-b98b-75d147479348' {
menuentry 'Arch Linux, with Linux linux' --class arch --class gnu-linux --class gnu --class os $menuentry_id_option 'gnulinux-linux-advanced-5fe1d28c-2640-4b5c-b98b-75d147479348' {
load_video
set gfxpayload=keep
insmod gzio
insmod part_msdos
insmod ext2
set root='hd1,msdos1'
if [ x$feature_platform_search_hint = xy ]; then
search --no-floppy --fs-uuid --set=root --hint-bios=hd1,msdos1 --hint-efi=hd1,msdos1 --hint-baremetal=ahci1,msdos1 5fe1d28c-2640-4b5c-b98b-75d147479348
else
search --no-floppy --fs-uuid --set=root 5fe1d28c-2640-4b5c-b98b-75d147479348
fi
echo 'Loading Linux linux ...'
linux /boot/vmlinuz-linux root=UUID=5fe1d28c-2640-4b5c-b98b-75d147479348 rw quiet
echo 'Loading initial ramdisk ...'
initrd /boot/initramfs-linux.img
### END /etc/grub.d/10_linux ###
### BEGIN /etc/grub.d/20_linux_xen ###
### END /etc/grub.d/20_linux_xen ###
### BEGIN /etc/grub.d/30_os-prober ###
### END /etc/grub.d/30_os-prober ###
### BEGIN /etc/grub.d/40_custom ###
# This file provides an easy way to add custom menu entries. Simply type the
# menu entries you want to add after this comment. Be careful not to change
# the 'exec tail' line above.
### END /etc/grub.d/40_custom ###
### BEGIN /etc/grub.d/41_custom ###
if [ -f ${config_directory}/custom.cfg ]; then
source ${config_directory}/custom.cfg
elif [ -z "${config_directory}" -a -f $prefix/custom.cfg ]; then
source $prefix/custom.cfg;
fi
### END /etc/grub.d/41_custom ###
### BEGIN /etc/grub.d/60_memtest86+ ###
### END /etc/grub.d/60_memtest86+ ###
the internal HDD (/dev/sda) also has GRUB installed, without any problems, with a graphical console menu.
GRUB version is 2.02
laptop: dv6-6b41ed
Legacy BIOS (no EFI / UEFI).
Any ideas on how to solve / troubleshoot this?
Last edited by christopher72 (2014-04-21 15:05:21)

Any hooks in particular? I don't know which hook to add other then the 'blocks' hook, which is there already:
HOOKS="base udev autodetect modconf block filesystems keyboard fsck"
Also, I don't think that could be the problem since loading the initramfs image takes place after choosing something from the Grub Menu. That menu never appears, I just get "welcome to grub!" with a blinking cursor underneath.
I did add "insmod usbms" in grub.cfg, but that didn't change anything.
What strikes me as odd is that in grub.cfg, the disk is referred to as "hd1", where I think it could just as well be "hd0" if that's the first hard disk the BIOS boots from. But I'm not sure if that really matters since the search is done with the UUID.
Another thing I tested earlier: I dd 'd the Arch Live image to the external usb HDD, and then it boots fine...

Snow Leopard 10.6.3 Installation on external USB

I've been trying to install Snow Leopard onto an external USB drive. I've looked at a dozen different YouTube videos and other posts regarding the process, but I can't seem to get mine to work. Here is my process:
1. Open Disk Utility
2. Create 2 partitions - one bootloader partition and one a partition for the OS to be installed
3. Insert Snow Leopard disc
4. Click Restore and put OSX in the Source spot, the bootloader partition for the destination. I have tried both unchecked and checked for the 'erase destination' checkbox.
I get the following error:
Restore Failure: Could not find any scan information. The source image needs to be imagescanned before it can be restored.
I click 'Scan Image for Restore' and then once that completes I click 'Restore' again. most the time it still gives me the same error. After trying a few different things, I am finally able to get it to work (supposedly). I run the install, it restarts my computer, and then it sits there on the white screen with the apple logo. If I hold down the option button, the new install doesn't show up as an option to select.
I'm at a loss as to what I should do next.

I have a 24" iMac with a non-functiong drive (spits every disc out without trying to read them). I want to upgrade from OS 5 to OS 6 (Snow Leopard) snd then on to a higher OS, which I understand I can download from Apple (so need for a drive). I followed your steps but could not go forward because my flash drive had 8 gb and once it was formatted according to your instructions, I only had a little more than 7gb left, which was not sufficient. So I bought a 64 gb flash drive and just went through the process again. The installation of Snow Leopard onto my flash drive took hours, but finally completed. I was expecting to have the installation disk installed so I could then insert the flash drive into my iMac and install OS 6. You gave no directions on how to proceed once you launch the download onto the flash drive. Since I had no installation program on the flash drive, I tried making a disk image of the installation disk, which I then copied onto the formatted flash drive. However when I inserted it into my iMac and tried to install the OS, I got the message saying I neded to burn it onto DVD disc. That, of course is no solution because my drive does not work. Am I missing something (unstated) in your instructions? I followed them a T. Is there something else I can do?
Thanks.

External USB HD w/ Snow Leopard - boot from Windows machine

Is there a way for me to install Snow Leopard on an external USB or Firewire so that I can plug it in and boot it up from a PC?
Thanks,

Nope. And if you could, it would be a violation of the license to OSX.

Cannot boot to Windows disc from external USB DVD drive.

I have a MacBook Pro 17" Early 2011 8,3. I have tried to use bootcamp to install Windows 7 from a external USB DVD drive. All I get, like many people, is a black screen with a blinking cursor, as if it never makes it to boot. I tried restarting to the OS selection for holding alt, and tried the DVD again, did not work.
I saw a few posts claiming that this didn't work on some models of Mac because of a EFI problem that would not allow booting from a external USB, which is really stupid because it would seems some models can... And MacBook airs can... Can someone please confirm this for me? Has anyone found a resolution?
If not, APPLE PLEASE FIX THIS.

Hi,
Thanks for the reply. Yes the MBP is currently running Tiger, I want to flatten this with a fresh install of Leopard. I can view the install DVD when in Tiger currently.
I haven't tried what you have suggested, but I have seen various posts suggesting this approach. I've also seen several posts explain how to create a partition on an external firewire Harddrive and this seems to have worked for various people.
This would however mean that I didn't really need the external Lacie drive at all, as I've got access to my G5s DVD drive over the network. The more I search on this, the more convinced I am the USB drive was a bad idea.
Once again thank for the response.

New computer, files are on old, external USB HD, can't get LR2 to recognize them

Installed LR2 on my first iMac 2 years ago and set it up so all my photos live on my external, USB drive. Bought my new computer, re-installed LR2, plugged in my original USB HD and I can't get LR2 to look at the files.
I looked around in the help and deleted my library file from the new computer's HD. Now when I start up, it asks me
All my photos are on my USB HD (I can see them in Finder) but I really don't want to have to re-import them to LR2 again.
thanks!
OS 10.6.7
Intel i7 iMac

You have to find the catalog that LR worked with before you switched computers.
You see, LR cannot "see" image-files that are on a hard drive unless it has the catalog to go with these images.
For LR to work, you always need two things: the image-files and the catalog (and your previews).
So, where is the catalog? Best way to go about it would be:
Attach the external hard drive to your old computer and open LR. Go to Edit > Catalog Settings > General Tab. Select "Every time LR exits".
Close LR and the backup dialog will come up that lets you choose a back-up location. Select your external hard drive as the location.
When LR has finished the backup, connect the external drive to your new computer. In your OS navigate to the location of the backup and double-click the file with the ending "lrcat".
LR will open with this catalog, and if you haven't changed the location and/or the names of your image-files or image folders it will find the images.
WW
PS: Make sure that the external hard drive on the new computer has the same drive-letter as it had on the old computer. If it doesn't do the followin:
In the Libarary Module you should see question marks besides your folders. Right-click the folder that is top-most in the hierarchy and point LR to the location of this folder on your hard drive.
WW

LR4 Install. My Images are on External USB

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