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Wallpaper changes to default after reboot (FIX)

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Apr 5, 2011
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Asus P6T
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Intel i7 920
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XFX ATI Radeon 5770 1GB
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If your wallpaper changes back to default (Galaxy) after reboot or after logout it is because

the wallpaper you set was on another drive.
and this drive loads after your settings are loaded.

MAC OS X Lion / Mountain Lion does not save your wallpaper on the native HDD, rather tries to load the wallpaper from the original HDD, i guess only the path to the wallpaper is saved in the OS X settings.

Anyways..
what happens is that when your OS X boots up it does not find the path to your wallpaper since the HDD you've saved your wallpapers in has not mounted yet. :(

One basic solution for this is to save your wallpapers in the HDD where you've installed the MAC OS X..

but I didnt want to save all my wallpapers in Native Mountain Lion HDD, so i figured out my perfect fix..!! :D

This is how i fixed..

I found this file in my Mountain Lion install pendrive.. autodiskmount.plist

Library/Preferences/SystemConfiguration/autodiskmount.plist

If you can't find it on your OS X Install Drive then you can make one by typing

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple Computer//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
<plist version="0.9">
<dict>
<key>AutomountDisksWithoutUserLogin</key><true/>
</dict>
</plist>

rename ur txt file to autodiskmount.plist

or download the file from this post.

save this in your MAC OS X HDD

Library/Preferences/SystemConfiguration/autodiskmount.plist

Voila..!!

restart your system..

:D

Now save your wallpapers where ever you want on your computer and i didnt have to worry about the wallpaper changing back to default.
 

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I ran into this a good while ago. I'd set a wall via iPhoto, and it'd reset. I couldn't for the life of me figure it out, then I realized it started happening AFTER I moved my iPhoto library to another drive, now that I have a small SSD + HDD config. I did end up resorting to putting some walls on the OS drive =P. Thanks for the insight.
 
yep i also did use iPhoto to set wallpapers earlier in Lion..but for that we always need to rely on iPhoto and Library should be on the same OS X HDD.

with the new Mountain Lion, i didnt want to rely on iPhoto for that job.

hope it helped you :D
 
i'm using mavericks. i tried this and it didn't fix. do you need to fix the autodiskmount.plist differently in mavericks versus whatever the latest version of osx was when this thread was created?

not only are my wallpaper settings changing to default after reboot, but these others as well:

dock
mouse
chrome as default browser
finder sidebar settings
other finder settings like status bar and path bar.

i have some of my folders in my user folder linked to a larger hdd because my boot drive is a smaller ssd. i'm thinking i'm finally close to solving this horrible problem. i guess i just need to know how to set the other drives to mount before user login.

my file looks like this (and is not working, or isn't the problem, not sure):

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
<plist version="1.0">
<dict>
<key>AutomountDisksWithoutUserLogin</key>
<string>true</string>
</dict>
</plist>



please help.
 
Hi all,

Same issue here. desktop background changing back to default after shutdown/boot backup.
My setup is OS and user folder on SSD. Then symbolic links to docs/downloads/pics(desktop backgrounds) etc to spinning drive.

Two screens attached(screen and projector). All of the suggested fixes here haven't worked for my rig.
(also same issue of about a million desktop spaces - most with default background some with my custom selection. lol)

I did find a defaults write command, that, so far has resolved the issue.

$ sudo defaults write /Library/Preferences/SystemConfiguration/autodiskmount AutomountDisksWithoutUserLogin -bool true
source: http://knowledgebase.tolisgroup.com/?View=entry&EntryID=103

* If someone has a better solution, I'm all ears. I feel this isn't the best solution.
 
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