Tagged Questions

0
votes
0answers
10 views

Target disk mode boot flag?

I recently made a Hackingtosh, and I really need to interface with it using Target Disk mode. Is there a boot flag to be able to enable this? It's running Lion.
0
votes
1answer
42 views

Boot into Safari-only mode in Mountain Lion?

In Lion, you used to be able to boot into a Safari-only mode. Where did that go in Mountain Lion?
3
votes
1answer
1k views

Upgrading new Mac Mini to have SSD. Do I have to buy Lion, or can I just re-download from App Store?

EDIT: The accepted answer below works, but I can also confirm that just booting the stock machine and visiting the App Store, you can just re-download it and make a boot USB drive before swapping out ...
0
votes
2answers
149 views

Resetting MBR on iMac

I installed Ubuntu on my iMac (partially successfully) I had rEFIT installed but it did not recognize the Ubuntu installation. I removed the partition and rEFIT and now when I attempt to install ...
1
vote
0answers
27 views

Lion crashes on first reboot attempt, is fine on second reboot

I'm having a weird issue with Lion on 2 different machines (2008 Mac Pro, 2011 15 inch Macbook Pro). The first machine was upgraded through several OS versions to Lion, the second came with Lion ...
0
votes
1answer
48 views

MacBook Air - random start/wake up times

I have a 3yo MacBook Air running Lion. When I open it to start using it again it seems to sometimes have trouble 'waking up'. Sometimes this is instantaneous, sometimes I get a blank screen for 30 ...
1
vote
2answers
274 views

Lion Boot from a Flash Drive Mac

So I'm trying to load a Lion DMG onto a 16GB flash drive according to this tutorial, but I only get as far as step 9. The data starts to restore to the flash drive, but right as it gets to the end, ...
1
vote
1answer
211 views

Error “/dev/disk04 could not be mounted” when using NTFS-3G

I use NTFS-3G in order to let myself read and write to my external hard drive in the correct format. My Mac is also bootcamped with Windows 7 on the other side. Every time I startup my Mac I get an ...
1
vote
1answer
283 views

Problem Installing Lion on MacBook2,1 using USB

I have a Macbook2,1 with 4GB RAM, Intel Core 2 Duo 2GHz and Leopard 10.5.8 and I need to upgrade it to Lion. I've downloaded Lion installation dmg file and restored it to a USB disk using Disk ...
1
vote
1answer
158 views

Using OS X Lion on a main SL mac - use USB key instead of partition?

I need some advice. I am new and non-techy so please could you help me on a simplified level. I am running Snow Leopard on my Mac which I am happy with. I will upgrade to Mountain Lion later but I ...
1
vote
1answer
302 views

MacBook Pro Lion crashes after a progress bar boot

Basically my MBP started giving me messages (out of nowhere) about how my Memory was too low and that I needed to shut down a few programs before continuing. In the end I was left with only Finder ...
0
votes
1answer
333 views

Is there a way to burn a Lion installation DVD-R from a new Mac mini or Macbook Pro?

I got a new Mac mini and Macbook Pro, and hope to burn a Lion installation DVD-R if it needs to be used in the future. But I searched for any file greater than 1GB on the hard drive and didn't find ...
0
votes
0answers
221 views

SSD only boots from USB adapter

I would like to know if anyone has an idea or suggestion to what's happening on my SSD. I was using Lion on my Vertex 3 SSD 240GB - MacBook Pro (early 2011 model) and everything was running well ...
0
votes
0answers
217 views

Macbook pro intermittently boots in safe mode

My Early 2011 MBP has just recently started booting in safe mode, I haven't got many other details, I don't have any specific cases where it will boot in safe. However I will outline what I can and ...
2
votes
2answers
778 views

After System Update last night, the system will not boot with IOPlatformExpert.cpp:1504 error

I have had Lion for a 2, 3 months on the iMac 27 inch purchased last October (2011). Last night I chose to update the system, and deselected iMoves update because it was 1GB, and chose only 4 ...
2
votes
1answer
625 views

How can I fix my GPT?

I just migrated from a 120 GB SSD drive to a 600 GB SSD drive. As I was lazy and didn't want to reinstall Mac OS X (Lion), I chose the following migration path: I created at GPT on the 600 GB target ...
2
votes
2answers
3k views

MacBook Pro (Lion) won't boot anymore

My MacBook Pro won't start up anymore. Here are the symptoms: displays only folder with question mark icon on startup when boot from Lion installation disk the disk utility program crashes. when i ...
0
votes
3answers
750 views

After updating to Lion, can't re-install Snow Leopard or Lion

Here is my situation: I have a 2010 iMac that came with a Snow Leopard disc, which I installed. Then, when Lion was released, I upgraded to it. However, yesterday, I had to erase my entire HDD ...
2
votes
1answer
726 views

MacBook Pro 2010 won't boot after EFI upgrade

I have updated my MacBook Pro (Core i5, early 2010) with system update to new EFI version, and now after startup it just shows the gray screen and doesen't react on keyboard (just plays the boot ...
5
votes
1answer
148 views

Is this possible? Prevent Live-Linux from booting and grabbing your files without encrypting your disc?

I am a medium-experienced Power User with knowledge about most of the stuff (studying this since two years) and I know something about how Linux and Windows work; I have screwed up countless ...
1
vote
2answers
285 views

Can't login after updating software

MacOS asked me for update to EFI 2.7, I said ok. After rebooting I came up to the login screen. When I use my password for a moment I could see grey screen with mac's progress circle but then It ...
0
votes
2answers
1k views

Accesing files with Mac not booting

Is it possible, say with Lion recovery partition or any other way, to access individual files on the hard drive to copy them before reformatting it to do a clean install? It is not possible to boot ...
0
votes
2answers
1k views

Slow boot OS Lion on Macbook Pro

I have macbook pro 15.4 2011 (Core i7, 4gb, 500HDD), Lion is running on it. The annoying thing is that the boot time is too much, it takes roughly 70 to 120 seconds for machine to boot and display ...
0
votes
4answers
3k views

Lion won't start after EFI update

I installed the new EFI update for my MBA Mid 2011 (the software updater said it is recomended). The update went fine and restarted the mac afterwards. Then while booting the apple logo turns into a ...
0
votes
0answers
93 views

Intel core 2 Duo 2GB SDRAM version 10.6.3 Not booting up

I am unable to boot from a DVD on a MacBook Pro. I need to reinstall Lion. I tried holding C and also I tried using the alt key. Using the alt key is only showing the internal hard drive as a boot ...
4
votes
5answers
7k views

MacBook Air has suddenly become very slow at booting and shutdown

I have a Late 2010 MacBook Air, and it has a 256 GB SSD, 2.13 GHz processor, and 4 GB RAM. It has been lightning fast ever since I bought it and I upgraded to OS X Lion and it was super fast. Boot ...
1
vote
3answers
1k views

Does not boot (endless spinning)

A friend of mine has forgot her password to a newly bought Macbook Pro, Lion. I've reset the password like described here by booting to single-user mode and deleting /var/db/.AppleSetupDone The Mac ...
0
votes
2answers
757 views

27" iMac Hangs On Reboot

I've got a 27" iMac 2.93Ghuz Intel Core i7 running 10.7.2. Anytime I reboot (like for some software updates), it gets stuck at the gray startup screen (no Apple logo). If I press and hold the power, ...
1
vote
4answers
837 views

Can I create a boot disk for 10.6 or 10.7 on a PC (to be used on a Mac?)

I have a Macbook Pro that had a hard drive failure, I've replaced the hard drive but I don't have a boot disk of any kind. I could just order a Snow Leopard DVD, but I have to wait a few days for ...
1
vote
3answers
10k views

Lion hangs on boot with empty progress bar and then switches off

Today as I was working on my MacBook Pro, it became incredibly slow and almost impossible to work with. I spent five minutes trying to restart it from the system menu, and eventually I did. It took ...
6
votes
4answers
367 views

iMac shows frozen at bootup, but computer running normally in background

I'm on an Intel iMac running Lion. I'm having major issues with my iMac. The iMac froze whilst using Chrome, and I was forced to reset it. After the reset the screen seemed to freeze on the apple ...
2
votes
1answer
5k views

How do I boot my MacBook Air running Lion in safe mode?

I follow the instructions in http://support.apple.com/kb/ht1455 to boot in Safe Mode, but it appears something different happens with Lion. After holding the shift key when hearing the startup tone, ...
3
votes
3answers
562 views

How do I clone a dual-boot Macbook

I have a Macbook Air set up for dual-boot (Lion & Windows 7) and am planning on buying a newer model. How would I go about cloning the entire hard drive to the new machine? Do I need to ...
2
votes
3answers
5k views

How can I reset the PRAM if Recovery Mode keeps overriding the PRAM command?

Lion uses the ⌘ + R to boot into recovery mode. Resetting the PRAM in anything less than 10.7 was ⌘ + ⌥ + P + R. Recovery mode now seems to override the PRAM command. Does anyone ...
2
votes
2answers
773 views

Can I dual boot Snow Leopard and Lion?

I own a Mac Mini 3.1 with Snow Leopard installed. I would like to dual boot with Lion for development purposes. I have partitioned my hardisk as described in Point (1) in this tutorial How to ...
1
vote
1answer
129 views

Can you run Disk Utility from bootable lion disk?

I've made a bootable lion disk by extracting the InstallESD.dmg from the lion installer app's package contents. - (Contents>SharedSupport>InstallESD.dmg) When booting from this disk, can you run disk ...
0
votes
1answer
1k views

OSX Lion showing a white screen plus pointer prior to the desktop appearing

During boot-up, immediately after the Apple logo with the spinning progress wheel ends, rather than the desktop appear, I get a white screen with pointer in the top left for about 5 seconds. Then the ...
6
votes
5answers
3k views

How can I boot to Safari Only (Chromebook style) in Lion?

How can I boot safari only in Mac OSX Lion Chrome OS style? I heard that there was a key that one had to hold at startup, which one is it?
0
votes
0answers
199 views

Create Lion bootable DVD [closed]

Is it possible to create a Lion bootable DVD? I'm going to format my MacBook and then install Lion but I want to do this without reinstall Snow Leopard... Thank you so much!