Does installing Lion delete all my data?

Hi,
so does installing Lion delete all my private files and stuff?
So do i need to backup first or can i simply install Lion?

Shino.Duo wrote:
so does installing Lion delete all my private files and stuff?
No.
So do i need to backup first or can i simply install Lion?
A full backup is always recommended, in addition to Disk Utility "verify disk" and "repair permissions" operations.

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I got the new iPhone5 back in Dec, I hooked it up to my computer for the 1st time this wk. It deleted all new data added since Dec (notes,contacts,texts,pics, info in apps) and reverted back to all my old data. How can I retrieve all the lost data??

I got the new iPhone5 back in Dec, I hooked it up to my computer for the 1st time this wk. It deleted all new data added since Dec (notes,contacts,texts,pics, info added to apps) and reverted back to all my old data (literally uploaded all of my old texts and 1400 old pics and deleted anything new). How can I retrieve all the lost data?? Please help!!

SkyDaughter29 wrote:
My current situation: I have soooo many texts on my iphone and I haven't deleted many because I need the information contained in them for future reference and for legal purposes. I would really like to find a means and way to save them other than on the phone itself. I've done searches for various apps yet I'm not finding what I think I would need. It appears Apple does not sync the texts between the iphone and my MacBook Pro.
Try the computer apps PhoneView (Mac) or TouchCopy (Mac & PC):
http://www.ecamm.com/mac/phoneview/
http://www.wideanglesoftware.com/touchcopy/index.php
Best of luck.

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I have to sale my MacBook and before delivery I want to delete all the data. Howwwwwwwwwww ?..

First, go to  > About this Mac and see Version. If it's 10.6, 10.5 or your Mac came with DVDs:
1. Insert the Mac OS X DVD that came with your Mac and press C key while your Mac is starting.
2. Open Utilities > Disk Utility, choose Macintosh HD in the sidebar and erase the disk.
3. Install Mac OS X. When the installation finishes, turn off the computer. Remember to give the DVDs to the owner.
If it's 10.8, 10.7 or your Mac didn't come with discs:
1. Press Command, Option and R keys while your Mac is starting and open Disk Utility.
2. Select Macintosh HD in the sidebar and erase the drive.
3. Install OS X. When the installation finishes, turn off the computer

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I am quite interested in updating to Mountain Lion, as I have a very outdated Mac. However, I am worried that doing so will erase all my data. Also, will updating make my mac run faster? It has been working much slower recently. Its only three years old, 10.6.8. Please help!

In addition to BT's comments:
The OS X update process will stomp on your /Applications, but not on the content in /Users, which is where your login directory resides. Good backup habits are sound advice.
Even if your three-year old Mac complies with the minimum supported hardware specs, it is very unlikely that a larger, more resource hungry Mountain Lion will give you more features and run faster on your hardware.
If you wish to stay current with OS X releases, at some point, you will need to step up to a new or refurbished hardware purchase decision.

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It will only delete your backup from iCloud.

I deactivated my apple id and want to add another id to my icloud acc,how can I do this without deleting all my data from my ph?

There is an option to delete the account, but then it says it will delete all my data, which I dont want to happen.

When you delete icloud account off your phone it will ask you if you want to keep or delete the data. You will choose to keep and will be ok. The only thing that will reset is photostream, so if that is a concern, back up your pictures.

I had to change my apple ID now how do I update icloud without deleting all cloud data on the computer?

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Check the list in the link below, how to change all services, after you changed your Apple ID:
What to do after you change your Apple ID email address or password - Apple Support
https://support.apple.com/en-us/HT204071
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Update your Apple ID or password on your iPhone, iPad, iPod touch, Mac, PC, and Apple TV.
iPhone, iPad, and iPod touch
Go to Settings > iCloud.
If you're signed out, enter your updated Apple ID or password. The data in iCloud will automatically appear on your device after you sign in.
If you're still signed in with your previous Apple ID:
Scroll down and tap Sign Out, then tap Sign Out to confirm. If you're using iOS 7 or earlier, tap Delete Account, then tap Delete to confirm. You might need to enter your password. Your data will remain in iCloud and will be updated on your device when you sign in to iCloud again.
Enter your updated Apple ID or password.

How do I delete all my data from computer mac?

how do I delete all my data from computer mac?

The Startup Manager may be necessary if the 'C' key fails:
Use the Option key, when possible instead of 'C' key to boot discs

HT201269 How can I delete all my data from former Iphone 4 for future sale on Ebay?

Hello!
I've just purchased an Iphone 5 from a new carrier. Now I should like to sell my former Iphone 4 but, obviously, removing all my personal data (contacts, photographs, etc.) . How can I transfer the ringtones that I purchased from by Iphone 4?
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Regards,
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backup the device and restore it as new.
If you already have or don't need a backup:
Erase your device
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To remove all settings and information from your device, tap Settings > General > Reset > Erase All Content and Settings. For more information about this feature, see iOS: Understanding 'Erase All Content and Settings'.
If you are unable to erase your device, restore the device using iTunes.
See: http://support.apple.com/kb/HT4137 for the exact steps.
Transferring ringtones isn't supported, as far as I know...

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You might want to peruse the licensing agreement for Lion, available here:
http://www.apple.com/legal/sla/
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this has already been answered.
please ignore my question.

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Does installing Lion delete all my data?

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