I can not install Mac OS X Lion.

I download it from App Store but when i run it it says that the software couldnt be verify and may be was damage in the download. What I have to do? Thanks.

Thanks for the help. I could downloaded in an apple store in my city that had a better conection that mine. May be this information is helpfull for other one with the same problem. The file is very big so its necessary to have a very good connection to internet to downloaded in the right way.

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Can I install Mac OS X Lion on an external FireWire800 drive?

Can I install Mac OS X Lion on an external FireWire drive? I have bought a Lion Thumb Drive. I'd like to install Lion on the FW drive and then boot from there. The FW drive is a brand-new LaCie D2 Quadra 2 TB drive that has FW 800, 400, USB, and esATA connectivity. Can't find any manual describing how to do this. Any help appreciated. The more detail, the better. Thanks.

Yes, you can. When you run the installer you will get to a screen where you will see the default target drive, usually "Macintosh HD." Under the icon you will see a link to display other drives. Click on that so you will see the external drive you have connected. Select that then continue the installation.
For simplicity connect the drive using FW800.

Problem "Can not install Mac OS X on this computer"

Trying to upgrade from 10.2.8 to 10.4 (with a CDROM not DVD) on a G4.
Plenty of memory, hard drive, and processor speed.
Will not complete "Computer Check"
Keep getting error "Can not install Mac OS X on this computer"
Mac on line support FAQ said this
*+Computer check+*
*+The Mac OS X Installer makes sure your computer can use the version of Mac OS X you're trying to install.+*
*+Troubleshooting tip: If you see a message that you cannot install Mac OS X on this computer, even though it should work with Mac OS X, you may need to install a firmware update. Restart your computer from the hard drive and install the latest firmware available for your computer.+*
Well I tried all of this, firmware update said I already had the most up to date firmware installed. So I am stuck and need a little advice...
PLEASE HELP!!!

Welcome To  Discussions skatam1!
Additional info in these links.
Using OS X Install CDs/DVDs On Multiple Macs
What's A Computer Specific Mac OS X Release
Software Update, Upgrade: What's The Difference?
You should contact the vendor, and request a refund, or an exchange for a Full Retail Version, of the Tiger Install DVD.
If that is not an option, advise if you would like purchasing information.
Be sure not to, again accept grey, upgrade or machine specific CDs or DVDs.
The discs should look exactly like the images in the above links, and not say Upgrade, CPU Drop-in DVD, or "This software is part of a hardware bundle purchase - not to be sold seperately." on them.
If your Mac doesn’t have a built-in DVD-ROM player, you will have to use an alternative method of installation.
Info here Installing Tiger Without A DVD Drive.
And here Installing Tiger Using Firewire Target Disk Mode.
The Tiger Media Exchange Program, referred to in those articles, is no longer available.
ali b

Can't install mac os mountain lion uising

can't install mac os mountain lion uising cd

Mountain Lion doesn't ship on any media and is too large to fit on a CD.
You must purchase it using the App Store and it downloads over the Internet.

How can you install Mac OS X Lion on a new, empty hard drive?

If the only way to install Mac OS X Lion is by downloading it via the Mac App Store, it's going to be very difficult to put it on a brand-new hard drive unless Apple provides us with workarounds,So what should we do when want to install Mac OSX Lion on new HD?
ThanQ

What you get from the Mac App Store will be an Installer Application. You will be able to transfer that Installer from Mac to Mac. I have not seen it yet, but we may also be able to burn an installer disk, we shall have to see just how things work.
Apple has always been known as an innovative company. And when they announce something new folks always go nuts with reasons that this cannot work. When Apple stopped making Macs with floppy drives and iMacs only had optical drives, people went crazy. Today no one makes computers with floppy drives.

Can i install MAC OS X LION without an apple id?

Hi guys. Pls. help me. I recently bought a secondhand macbook and i decided to reset it. But it does not allow me to install mac os x lion without an apple id. What should i do?

Install the original version of OS X (the one that it came with)
How old is it?

I can not install os x mountai lion

Hi,
I am trying to instal the new os in my mackbook, but I can not do it. I accept the terms and when I must choose in which hard disc I want to install the os. when I choose my hard disc, the only I have, I do my copies in an external disc, appears a note that told me: this hard disc is the one that I use when I do my copies and I cant not install the hard disc. How I could solve that problem.
Thanks and excuse my english level!!
Mila

Depending on the capacity of the startup disk, make sure there's at least 15% available disk space.
Example: A 500GB drive would need 75GB free space minimum.
If necessary, you can use Safe Mode to free up space.
Step by Step to fix your Mac: Apple Support Communities

I can't install Mac OS X Lion, I want to go back to Snow Leopard

The problem is I am stuck in the OS X Lion Install window but when I try to install it, it asks for my Apple ID, I give it but It says I haven't bought Lion. So I gave up and decided to just go back to Snow Leopard, how do I do that?

Welcome to the Apple Support Communities
Have you purchased OS X Lion? If so, check that it's not hidden in your Apple ID, so unhide it > http://support.apple.com/kb/HT4928?viewlocale=en_US&locale=en_US Finally, you will be able to reinstall Lion.
If you want to go back to Snow Leopard, your Mac should have come with DVDs or a USB drive. If your computer came with a USB drive, just insert the USB drive, hold the Option (Alt) key while your computer is starting, choose the USB drive and reinstall Snow Leopard. You may have to erase the hard drive before installing it.
If your Mac came with DVDs, you need an external optical drive or another PC or Mac to use Remote Install Mac OS X

Can Not Install Mac OS X on this computer (MacBook)

Puzzles me: Brand new refurb. MacBook with 10.5 installed.
Repartitioned the drive to get two partitions and tried to use my Full Retail OS 10.5 disk to re-install.
Get error after the language selection: cannot install Mac OS X on this computer...
Same thing if I restart with an external drive and try to install from the retail disk to the MacBook's drive. I just can't imagine why I need to use the included machine specific disks instead of the retail version. I know it works if I take the drive out and mount it via FireWire to another Mac.
So what gives?

Your other answer had probably in the sentence.
I looked but could not find it so, as I remember, when Leopard retail came out with all the drivers and libraries for both PPC and Intel and some users were trying to install Tiger on new Leopard MacBooks and, like me, other cross installs, Apple released a short note that said only the install disk would work on the MacBook, not the retail. No reason was given. You have a better life because of it and your computing life is richer too.
Research Apple Partition Map and GUID. Do what you know works.

Can not install OS X mountain Lion

while trying to install the new OS X Mountain Lion to update my OS, the purchase process was done and the money has been deducted from my credit card but the application is giving me waiting and never downloads.

Problem with that can not get access to the app storebecause it does not boot up from the internal hard disk only the recovery and out won't let me download the mountain lion fly with out canceling

Can't install MAC OS X Lion - Macintosh HD "This disk cannot be used to start up your computer."

I downloaded OS X Lion this morning and when I went to install it I got a "Screen - Select the disk where you want to install OS X." -- Had two disk my Macintosh HD and my Time Machine (both are 1TB). The top and most important is the Macintosh HD (999.86GB - 739.75GB available states "This disk cannot be used to start up your computer". What do I need to do to install OS X Lion?

Create a Backup Lion Bootable 10.7 Disk
Purchaseand download Lion from the Mac App Store on any Lion compatible Macrunning Snow Leopard.
Right click on “Mac OS X Lion”     installer and choose the option to “Show Package Contents.”
Inside the Contents folder that     appears you will find a SharedSupport folder and inside the     SharedSupport folder you will find the “InstallESD.dmg.” This is     the Lion boot disc image we have all been waiting for.
Copy “InstallESD.dmg” to     another folder like the Desktop.
Launch Disk Utility and click the     burn button.
Select the copied “InstallESD.dmg” as the image to burn,     insert a standard sized 4.7 GB DVD, and wait for your new Lion Boot     Disc to come out toasty hot.
With this disc you can boot any Lion compatible Mac, and install10.7 just like you installed previous version of Mac OS X. You caneven use Disk Utility's Restore function to image your Lion boot discimage onto a external drive suitable for performing a clean installon a optical-drive-less MacBook Air, or Mac mini server.
If your using Mac's in a mission critical type environment or have third party hardware or software you must rely upon working correctly. It's advised to wait until all the bugs, driver updates, third party software updates and other issues are resolved before upgrading. This might take several months. Then if you do so, do one machine at a time and carefully test everything before full deployment.
It's also highly advised to backup all one's data either manually to a external powered drive in addition to TimeMachine and Hold option bootable Carbon Copy Clones etc.

Can not install Mac OSX Update Combo10.4.5 PPC

I have a clean installation of Tiger on a Power Mac G4 (AGP graphics) with Sonnet 1 ghz processor upgrade, updated to 10.4.3 by running Software Update. No other updates available at this time.
So I downloaded MacOSXUpdCombo10.4.5PPC.dmg and it stops at "Select a Destination."
"You cannot install Mac OSX Update Combined (Power PC) on this volume. This volume does not meet the requirements for this update."
I must have installed this update previously, to get to 10.4.6, to install Adobe CS3 which REQUIRES 10.4.6.
Now I can't figure out how I got this update installed - sorry if this has been posted previously.
This isn't my main machine, thankfully, but I use it as a spare in the studio to transfer images to.
Can anyone help me get this OS updated to 10.4.6?
I don't have the original processor, so re-installing it isn't an option.
Thanks.

No, I wouldn't ignore them, I think we really have more messed up than just this, and if any of these steps fix it, we'll likely need new downloads.
"Try Disk Utility
1. Insert the Mac OS X Install disc that came with your computer, then restart the computer while holding the C key.
2. When your computer finishes starting up from the disc, choose Disk Utility from the Installer menu. (In Mac OS X 10.4 or later, you must select your language first.)
*Important: Do not click Continue in the first screen of the Installer. If you do, you must restart from the disc again to access Disk Utility.*
3. Click the First Aid tab.
4. Click the disclosure triangle to the left of the hard drive icon to display the names of your hard disk volumes and partitions.
5. Select your Mac OS X volume.
6. Click Repair. Disk Utility checks and repairs the disk."
http://docs.info.apple.com/article.html?artnum=106214
Then try a Safe Boot, (holding Shift key down at bootup), run Disk Utility in Applications>Utilities, then highlight your drive, click on Repair Permissions, reboot when it completes.
The usual reason why updates fail or mess things up, is if Permissions are not fixed before & after every update, with a reboot... you may get a partial update when the installer finds it doesn't have Permissions to change one obscure little part of the OS, leaving you with a mix of OS versions.
Some people get away without Repairing Permissions for years, some for only days.
If Permissions are wrong before applying an update, you could get mixed OS versions, if Directory is the slightest messed up, who knows!
If many Permission are repaired, or any Directory errors are found, you may need to re-apply some the latest/biggest updates.
May even need to do an Archive and Install if you have room on the HD, but saves all your files and gives a new OS...
http://docs.info.apple.com/article.html?artnum=107120
I only use Software Update to see what is needed, then get them for real via...
http://www.apple.com/support/downloads/
That way I can wait a week or so, check the forums for potential problems, and get Permissions & such in order before installing.
If all the above fails, then it appears to be time for an Archive & Install, which gives you a new/old OS, but can preserve all your files, pics, music, settings, etc., as long as you have plenty of free disk space...
http://docs.info.apple.com/article.html?artnum=107120
Just be sure to select Preserve Users & Settings.

Can't Install Mac OS X Lion On Used MacBook

Hello I finally decided to buy my first Apple product and it was a used MacBook. The previous owner had erased the hard drive or whatever so I can only access the Mac OS X Utilities. I went to reinstall the OS using the Reinstall Mac OS X option where I found that I needed to make an apple id, after doing all of that I kept getting a prompt saying "This apple ID has not purchased OS X Lion". So I bought the OS X Lion on their website and finally got the redemption code in my email but it says I have to redeem it through the Mac App Store which the MacBook I bought does not have. I also do not own another Apple product or know of anyone with a Mac I can use to redeem the code with. Also the closest Apple Store is like 3 hours away from me which I don't have any free time to spare driving there. Also I do not have any of the install discs that would of originally come with it. If anyone can help me figure out how to redeem this it or just let me know if it is a lost cause, it would be greatly appreciated.

Not sure what exactly you wanted but this is what it gave me
MACBOOK (13-INCH MID 2007)
Serial Number: W873590MZ5W
Also below that it states it has valid purchase date but telephone technical support has expired and the repairs and service coverage has expired.

Can't install Mac OS X Lion

I recently installed a new Hard drive into my MBP. The install for the OS worked for about a week, then began to freeze. I was forced to manually shut down the Macbook (Holding the power button). I figured it was an OS problem, so I decided to wipe the HD again using the Disk Utitlity off the OS Disc. I tried to install the OS and halfway through the installation of the OS I got an error message saying "Install Failed, Mac OSX Could not be installed on your computer, click restart to restart your computer and try installing again" Now when I press restart, the same thing occurs. I try manually shutting down and booting from the disc, to partion the HD again, but it doesn't boot, it goes straight to the installation. How do I get rid of this to get my Mac up and running 100% again? Here's a photo of what I get through the installation. Its not the best quality but its the best my 11" Acer can get lol. Hope it helps!
Macbook Specs:
Mid-2009 Model
Intel 2.26ghz Processor
500GB, 7200rpm Internal HD
2GB Ram
Running OS Lion

Back up all data. Boot into Recovery (command-R at startup) and erase the startup volume in Disk Utility. Then reinstall OS X and restore your data in Setup Assistant.

I can not install mac os x on my macbook. Please help!!!

Hello, I was trying to install Pro Tools on my Macbook. However, when I was asked for my password to install the program, i completely forgot it. I was only able to find disc 2 of the installation discs in attempt to restore my Mac OS in order to retrieve a password. When i called Apple, i was told that I would need to purchase Mac OS X all over again. After paying $149, I get home, and i get a message on the laptop saying that the program could not be installed on my computer. After researching, i figured i'd need to update my firmware. However, I do not see any macbooks under the available list for firmware updates. I tried to download one for an ibook, and it would not even open. Somebody PLEASE help me. I have purchased expensive software, and it is serving no purpose as of now. Any advice or input would be greatly appreciated. Thank you for your time.
Joel

The Mac OS X package you purchased isn't usable on your Intel Mac; it only contains resources for PowerPC Macs. You need the MacBook's original disks or the Mac OS X Server Universal Binary installer.
(22528)

I can not install Mac OS X Lion.

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