OS X :: Booting Mac OS X From 16GB Flash Drive?
Aug 5, 2010
So I recently purchased a 16 GB iamakey from Lacie. I saw in an article in MacLife how to install a stripped down version of OS X on it to use as a rescue tool. I partitioned the drive into a 2gb and 14gb sections. The 2gb i want to use as just a flash drive for toting files. I installed OS X on the 14 GB section. The installation completes, but when I try to boot in, I just get a gray screen. The mouse can be seen. What went wrong? I have done this twice following the instructions.
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Aug 11, 2009
Ok it's like this, i recently bought my Mac and in preparation before i got it i stocked up certain apps i wanted on my Windows desktop, now I have a 7 GB dmg file that won't go on a 16GB flash drive and it's driving me crazy. I just don't know why it can't go, i re-formatted it and it still won't go.
Is there something I don't know about dmg files? are they actually larger than they appear, if not I need to find another means of transfering this file and all I have is this flash drive, no connector cables or anything like that.
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Feb 8, 2010
I have a Sandisk Cruzer 16GB flash drive, which was working fine for months. It was formatted as FAT32 so I could move stuff back and forth between my tech school computer and my mac. I pulled the files off of it, and put an anti-malware program on it to troublshoot a netbook for class. The size of the drive is now shrinking, down currently to 43.5KB. I have no idea what may be causing it, or how to stop it.
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Feb 25, 2009
What I have done already is restore my USB Flash Drive with a .dmg of Leopard using Disk Utility. The next step consists of booting Tiger into Leopard by holding down the option key at start-up and selecting my flash drive. The USB flash drive comes up on my computer as a Leopard Install DVD but when I hold in the option key during start up, I do not have an option for my flash dirve to boot.
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Aug 12, 2009
I have purchased two (from different places) 16Gb Flash drives. Ok they are "no name" but never had probs with the 4GB and 8Gb before like this. When I get to about 4GB of copied items they stop, saying I have "no user access priveledges. Then they won't empty.. or allow anything to trrash. The won't eject, I have to pull them out.. they then will empty. I can then start again.. same thing! I have tried Disk Utility, Formatting, Partitioning, Journaled and non Journald. Each time I get the same pattern. I have tried copying 4gb and more at one time and 1, 2, 3GB at a time. I have tried on two different iMacs 24in Intel and a 20in iMac G5 with the exact same results. Obviously it is the sticks but is there a way round it?
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Feb 14, 2012
I want to know, is it possible to upgrade my MBP to this specs:
1) 16GB RAM (according to this [url] i can do this, but in settings said that MAC has limit of 8GB)
2) 1TB HDD
Info:
MacBook
Pro, Mac OS X (10.7.2), 17' 2,3GHz 750GB HDD
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Feb 21, 2009
My step dad is showing some interest in my Mac and wants to give it a go. I was thinking of installing OS X on an external drive and booting directly into it from his PC. Is that possible?
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Nov 15, 2010
When I travel I would generally take a small travel drive that is clone of my white MacBook as a rescue drive.Now that I have the MBA I am wondering if I could just clone my 11.6 MBA to a 64 GB flash drive and then if the worst happened I could reverse clone from the flash drive to the MBA.
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Jun 24, 2014
Can a coy of Maverick be downloaded to a flash drive or external hard drive?
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Dec 11, 2008
I have Mac Pro tower quad cord. My 250G drive was full so i got a WD Caviar Black 500g drive. Then used image to copy to an external drive then I restored to the 500G drive then replaced the 250g drive with the 500G. When I boot up I get the folder with question mark.
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Jun 26, 2009
I have a mac pro running Leopard with Time Machine backup on an external 500GB FREECOM drive. My issue is that I cannot boot my mac while the drive is connect, because it seems it tries to boot from the external drive and it starts displaying a flashing folder with a question mark in it. So everytime I need to fire up my machine, I need to disconnect the external drive > boot > connect the external drive.
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Jul 12, 2009
My MacBook's hard drive recently took a turn for the worst. I can't boot up from my external with the drive still installed. If I take my internal hard drive out can I then boot up my mac from my external?
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Jan 17, 2010
i have a pc, with a firewire chip, can i boot my iMac G4 from a tiger iso extracted to the hard drive in the pc(with nothing else on it) using the alt/option key? If not, how can i install OS X without the DVD, without using another mac?
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Feb 17, 2010
So I have a 2.2GHz SR MBP, and the superdrive just went out on me. It will read and write to CDs, but won't recognize any DVDs that I insert into it. I bought a USB enclosure and DVD drive, and it works fine to read and write to DVDs when in Snow Leopard, but I am unable to boot from it (specifically so I can install Windows 7, but I can't boot SL either). I reboot and and hold down option, and only see Macintosh HD, not the disk I'm trying to boot off. I've cloned SL to my flash drive and I can boot off that fine, but unfortunately I'm unable to do that with Windows...
Any ideas? I've googled it and it seems like booting off a USB optical drive is supported, so I'm unsure why it's not working for me...
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Jun 13, 2010
I recently switched my hard drive to a new one where I installed OS X. For some reason when I swapped the new drive, it doesn't see the drive when booting, but I can still see it recognize when I boot off a map and an extended partition)
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Aug 13, 2010
I have a MacBook pro running Leopard (10.5.8). I am updating to a legitimate copy of Snow Leopard. I'm not installing from the discs, though. I made my flash drive a bootable disk, and I'm trying to install from the USB drive. I'm pretty confident that I did it correctly, but I am still having trouble. This is a brand new 8 gb flash drive. Using Disk Utility, I changed the drive to GUID Partition Table and formatted it to Mac OS Extended (Journaled). Then I restored my Snow Leopard .dmg to the flash drive. Everything seems to be going smoothly at this point. I clicked on "Install Mac OS X" in the newly created bootable drive, and after going through the next few windows it started installing. The progress bar increased to about 7%, which took probably five minutes.
After this, it stated something along the lines of "installation will continue after reboot," and then rebooted itself. When OS X started back up, it was like nothing had happened. No changes, no continuing installation, it was like the installation hadn't begun at all. I tried a second time and the same thing happened: partial install, reboot, then nothing but regular startup. The USB Snow Leopard Install Drive does show up in the list of bootable drives in the "Startup Disk" portion of System Preferences. Even when I select it as the startup disk and restart, OS X just boots normally almost like it's ignoring my direction to boot from the Snow Leopard install drive. When I hold "alt" during startup to select the drive to boot from, only the regular Macintosh HD is presented as an option.
I don't understand why it would show up in System Preferences>Startup Disk, but not show up when pressing alt at startup. I noticed in Disk Utility that the "Owners Enabled" option was set to "No," so I used Terminal to change that to "Yes," even though I'm not sure it makes a difference at all. I named the USB Drive "Snow" and entered the line 'sudo /usr/sbin/vsdbutil -a /Volumes/Snow' in Terminal to do change owners enabled to yes. So this is where I am stuck. From what I can tell, I think I created the bootable usb drive properly, but I can't seem to boot from it and running the install off of the drive while already logged into OS X halts at about 7% and reboots.
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Dec 19, 2009
I have a MacBook Pro and last week I upgraded to Snow Leopard 10.6.2 and now when I close my laptop, my hard drive spools up every minute and it's very annoying. I can't leave some apps open because they have illegal operations due to the hard drive booting repeatedly. It's to the point now where every 60 or so seconds my external speakers come on, my hard drive spools up loudly. When I finally open my laptop the screen comes on for a few seconds, cuts off and goes black and then comes back on a few seconds later. When my laptop is open it works perfectly however.
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May 7, 2009
Is it possible to boot from a external hard drive instead of my internal drive?
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Sep 27, 2009
I have a Black Macbook with 2GB ram, 250GB HDD, 2.4GHz Processor and have been trying to boot off of my 320GB firewire External HDD but it has so far been unsuccessful. I have the external formatted as GUID Partition Table, and have the four system disk folders on the drive (Applications, Library, System, Users) which I copied from a time machine backup. I have tried booting the MB while holding down the option key and the external HDD appears as a drive available for booting on. But when I select the external HDD a cross with a circle around it appears and it boots off the internal HDD instead of the external HDD.
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Nov 12, 2009
I have Snow Leopard installed on an 8GB Flash Drive. It works all good and fine. The only thing is I don't want to do an upgrade, I want to do a FRESH erase and install of my machine (macbook). I tried plugging in the USB drive and restarting the computer while holding down "c", this proved to not work.
Any way that I can erase the computer completely and fresh install from my USB drive?
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Jan 24, 2010
Here's the rundown: my uncle gave me a pristine Powerbook G4 Titanium edition. Good computer, 15.5" screen, definitely worth keeping. He wiped the thing clean before giving it to me. The problem is the internal CD drive is super flaky and won't take an bootable CD well. It took my Tiger bootable once or twice and bonked out during the installation. Now, I can't get anything. BUT, I have a nice external firewire 400 CD/DVD drive. I hit option and can see the disc, but the PB won't take it. Also, of course I hit C on startup to try and load from the CD. Hasn't taken since the first few tries.
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Feb 22, 2010
I have a powerbook which I've been told can only boot it's OS through firewire only. My question is can any of you recommend an external firewire hard drive? I'm after a 1TB of storage as anything smaller isn't ideal. I don't want to spend bucket-loads, but I know that the option of firewire costs more, so I'm prepared for that. I've been told not to buy any Western Digital drives as they don't like to be used as a booting drive (for older macs I think anyway). I also wanted to know, could I used the hard drive to boot my OS from and also use to to save additional files, or is that a disaster waiting to happen?
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Mar 10, 2010
I'm planning on getting a SSD to put in my Mac Mini within the next month or two, but there are a few questions I have about it. I'll still have the 160 GB HDD that's in the Mini currently, and I'll buy an enclosure for it. But what I want to do, as to save space on the SSD (since I'll be buying 80 GB probably) is boot Windows 7 off the 160 GB. Is this possible?
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Apr 11, 2010
My newly acquired "ibook G4 1.33ghz 12 inch" is having problems booting just after recently insatlling a brand new WD Scorpio Blue 160GB hard-drive. I installed myself with the very useful [URL] tutorial which ran through the process quite simply. Basically the background story here is, I was given the ibook by a friend of mine who didn't want it as she didn't have the patience, money and time to invest into having it fixed. Some three years ago she dropped it from her coffee table and since then the hard-drive started failing, getting louder and slower to eventually one day not switching on at all. She took the ibook to an Apple Genius bar in LA where they ran diagnostics and resulted it with having a failed hard-drive.
She never had it repaired and has since been keeping it stored away as a spare. She was kind enough to gift it to me, I was well up for the challenge to repair it so here I am!! So, I bought a new hard-drive, successfully installed it and then the moment of truth, the ibook DID switch on, this itself was good news. But ever since I haven't been able to progress any further, as when I switch the ibook on it makes the apple start-up sound then goes to a white screen and says this:
Invalid memory access at SRR0: ff8486a4 SRR1: 00003030
Apple PowerBook6, 7 4.9.3f0 BootROM built on 07/05/05 at 11:14:11
Copyright etc.
Then says:
To continue booting, type "mac-boot" and press return
To shut down, type "shut-down" and press return
Reducing system power
So if I type "mac-boot" it goes to a grey screen with a folder icon in the middle containing a little 'finder' face and a flashing question mark, and then if left for about 5 minutes or so it just switches itself off. Of course it occurred to me that there is nothing on the new hard-drive so it can't boot from anything, I tried using my intel mac's start up disk which has OSX tiger on it, but this doesn't give any better results, I start-up holding C and I here the disk being read but it can't boot from it, it still goes back to the OpenFirmware screen as above.
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May 15, 2009
Environment clones ( made by Leopard compatible SuperDuper and Carbon Copy Cloner) to two separate LaCie Firewire drives will not boot from those drives Leopard (10.5.6) running on an old 14" iBook G4 1.1 GHZ. Both SuperDuper and Carbon Copy Cloner declared the clones bootable, and they are selectable as Startup drives. All three drives (internal included) are partitioned using Apple Partition Map and OSX Extended Journaled. Has anyone met and solved this problem? BTW - I did read somewhere that Leopard is designed to use the GUID partition scheme; but this is of no use with a PPC Mac. Could this be the source of the problem?
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Aug 17, 2010
Specifically, I'm considering a freelance design gig for which the client supplies an external firewire drive with a) a bootable system, b) a more recent version of the Adobe Suite than I own (necessary - his files are all in the more recent version), c) all of the project files, and d) Suitcase and all of the tons of different fonts required. The gig is uninspiring - a coupon catalog - but each of his many clients gets to supply either their own print-ready PDF or copy/photos/fonts for him/me to layout...the result being there's a ton of fonts.
So in other words, it's a preconfigured system to simplify different people working on the same files. Not at the same time, obviously, but the idea being that a new person can simply boot up from this drive and go right to work. I've scanned the drive with VirusBarrier and found nothing wrong with it. And I don't see any suspicious programs in the Applications folder. And I don't have any reason to suspect that that this guy would do anything underhanded...but I'm understandably (I think) nervous. Is there a way to protect my internal drive/files when I boot from an external drive? It would give me peace of mind if there were steps I could take that would allow me to boot from his drive without worrying about the possibility that there MIGHT be a program or script or something that might muck about with my computer.
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Mar 1, 2012
I have a SSD in the main bay and have my stock Toshiba 500GB 5400RPM installed in the optical bay with a hard drive caddy. When I boot up I get stuck at the White Apple scrren with the spinning dotted wheel or it boots up to the desktop and my mouse and keyboard freezes. Has anyone else experienced this problem or have a resolution? I tried two separate hard drive caddys and two separate hard drive thinking these might be the problem with no luck.
Info:
MacBook Pro (15-inch Early 2011), Mac OS X (10.7.3)
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May 12, 2012
Recently I have formatted my hard drive and had few problem with installing lion, so I removed it install it like external drive from another computer then put it back inside and now it's not working, doesn't even spin, but I can boot from usb on that drive and the computer work.
Info:
MacBook Pro, Mac OS X (10.7.4), unibody 2009
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Dec 16, 2010
I have a G3 Pismo laptop with a 30GB drive. The drive has an OSX partition and a classic partition. However, it recently quit booting form the OSX partition and will not mount this. Disc Utility run from DVD will not repair it. I have used Tech Tool on it three times. After the last "repair" Tech Tool said the volume passed, but it still doesn't mount. I tried using it in Target Disc mode with my G4. Still, only the OS 9 volume mounts. Toast will not create a disc image, so I guess I'm screwed. My only options at this point are older classic utilities. Is there any chance that Disc Warrior for OS 9 will get this volume to mount so I can copy things, format,and reinstall?
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Nov 2, 2010
Yesterday I purchased a INtel X25-V SATA SSD and installed it in my 13 inch MacBook Pro. Upon booting to a CD so I could install OS X 10.6 on the new drive, I received a kernel panic. After numerous tries I then put the old hard drive in (now clear of any data) and tried to boot to a CD again. Same problem. Now I seem to be stuck with a computer that will not boot to the CD no matter which hard drive is installed. I am able to use the SSD/HD in target disk mode. I can even install OS X to it from a different computer, but then when I try to boot on the MacBook Pro itself, I receive the kernel panic. The kernel panic seems to occur regularly after the Mac tries to load the CD for a minute or two.
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