System prefrences won't respond after installing Mac os X lion

I installed MAC OS X LION yesterday and i went to my sysem prefrences and I tried changing my wallpaper but the system prefrences frooze and just keept on loading, I have forced quit several times yet it still does the same thing all the time. HELP!

Restart in Safe Mode and then re try. If you are not familiar with a Safe Mode restart, Apple explains how in:
http://support.apple.com/kb/HT1455

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Why do my FaceTime and webcam not respond after installed mac os 10.7.2??please help me to solve it!!thank you!

I spent my SG$39.90 to purchsed a new version of mac lion 10.7.2. But sadly, after installed i could not open my webcam or facetime.It is very frustrating and making me very upset due to this situation.If i know like this i would never purchased the new Mac lion version!please help me to solve this problem!thanks!

You can try the following:
Install or Reinstall Lion/Mountain Lion from Scratch
Be sure you backup your files to an external drive or second internal drive because the following procedure will remove everything from the hard drive.
Boot to the Recovery HD:
Restart the computer and after the chime press and hold down the COMMAND and R keys until the menu screen appears. Alternatively, restart the computer and after the chime press and hold down the OPTION key until the boot manager screen appears. Select the Recovery HD and click on the downward pointing arrow button.
Erase the hard drive:
1. Select Disk Utility from the main menu and click on the Continue button.
2. After DU loads select your startup volume (usually Macintosh HD) from the
      left side list. Click on the Erase tab in the DU main window.
3. Set the format type to Mac OS Extended (Journaled.) Optionally, click on
        the Security button and set the Zero Data option to one-pass. Click on
      the Erase button and wait until the process has completed.
4. Quit DU and return to the main menu.
Reinstall Lion/Mountain Lion: Select Reinstall Lion/Mountain Lion and click on the Install button.
Note: You will need an active Internet connection. I suggest using Ethernet if possible
            because it is three times faster than wireless.

After installing Mac's Mountain Lion I'm having a lot of Firefox crashes--Coincidental or not?

Firefox has been frequently crashing since I installed Mac's new Mountain Lion OS.
Is this just coincidental?

Yes, that is where they would be (BTW, screenshots of them aren't helpful as we have to try to read the numbers and enter them in by hand, copy and paste is best), but those look like they are from June.
The Reset Firefox feature can fix many issues by restoring Firefox to its factory default state while saving your essential information.
Note: ''This will cause you to lose any Extensions, Open websites, and some Preferences.''
To Reset Firefox do the following:
#Go to Firefox > Help > Troubleshooting Information.
#Click the "Reset Firefox" button.
#Firefox will close and reset. After Firefox is done, it will show a window with the information that is imported. Click Finish.
#Firefox will open with all factory defaults applied.
Further information can be found in the [[Reset Firefox – easily fix most problems]] article.
Did this fix your problems? Please report back to us!

After installing mac os x lion, i cannot import video.mpg to create an iMovie project..Someone could help me please?

hi all, still disappointed with mac os x lion. Last problem I had: I'm trying to create a project using imovie. I have to import some videos.MPG but it appears as imovie doesn't read that format. Can anybody tell me wheter is a problem of format or lion Vs imovie?
thanks Martina

In Lion, one can select a video clip, go to finder services, and click on encode video...it will transcode the .mpg to something iMovie can handle. Far as I can tell, .mpg is not something iMovie likes to play with.
Hugh

IPF8100 won't print after installing Mac driver 3.04

just installed the new Mac driver for my Canon ipf8100 printer (it's driver 3.04). Now when I print a job it spools for a while, then says "cannot find destination. Please check printers power connection". But if I just open the printer utility itself, it does see the printer on my network - shows me ink levels and even lets me print a nozzle check page. So I know the printer is hooked up correctly and operational. So why can't I print to the printer from any of my programs? I've tried printing from Word, Photoshop, and InDesign and always get the same issue.

Restart in Safe Mode and then re try. If you are not familiar with a Safe Mode restart, Apple explains how in:
http://support.apple.com/kb/HT1455

OS 9 won't respond after installing video card

I haven't found this question on here. Well, not quite anyway. I've been running a B&W G3 with a partitioned drive for years. The partitions are: OS 10.4.9; OS 10.3.9; and OS 9.2.2.
I just bought and installed an ATI 9200 video card. It works great in both OSX partitions; but not in OS 9.
The mouse will let me move the cursor; but I can't click anything.
I've tried: resetting pram, repairing the drive from OSX, and booting from a cd and repairing the drive.
What else can I do besides reinstalling OS 9?

Use Apple Menu > Control Panels > Extensions Manager ...
.. to find it and uncheck it.
When you close the Extensions Manager window the extensions you de-selected will be moved to the Extensions (Disabled ) folder. At next Startup, they will not be loaded.
If you ever need them again, Extensions Manager can put them back into the Extensions folder when you check their checkboxes and a Restart will make them active again.

Mac Mini won't start after installing OS X 10.6.3

My Mac Mini won't start after installing Mac OS X Snow Leopard 10.6.3. When I turn it on, the Apple logo appears and the initialization line starts to fill, but it suddenly stops. It does that again and stops at the same point, but this time it shuts down. What should I do?

If you are coming from 10.5.8, hopefully you backed up your important data first. Your mini will need at minimum, 1 GB of RAM to install Snow Leopard and at least 5 GB of storage remaining on your boot drive.
I treat 10.6.3 as a fresh, full install over a 10.5.8 system. That means I choose Disk Utility from the Installer's menu and repartition the boot drive as a single partition, Mac OS X Extended (Journaled) format, and use the GUID partition scheme from the options button. At this point, while still in Disk Utility, I would verify the drive under First Aid.
Then I turn the installer loose, and reboot into a working 10.6.3 system, ready for the software updates that take the machine to 10.6.8.
So, following the above guidelines, reinstall 10.6.3.

HT1893 After installing Mac OSX Snow Leopart 10.6.3 my HP Photosmart C5500 won't scan to computer. The printer is working. What do I have to do to be able to scan again?

After installing Mac OSX Snow Leopart 10.6.3 my HP Photosmart C5500 won't scan to computer. The printer is working. What do I have to do to be able to scan again?

Often, you have to download updated vendor software drivers when you switch operating systems. HP doesn't list a C5500 on their web site, however, here's the link to the OS X 10.6 C5540 software. If you have one of the other C55xx models, look for the updated driver/scan software on their software/driver download section of HP.Com.

Macbook pro won't boot after installing update 10.9.3

macbook pro won't boot after installing update 10.9.3

Please read this whole message before doing anything.
This procedure is a diagnostic test. It’s unlikely to solve your problem. Don’t be disappointed when you find that nothing has changed after you complete it.
The purpose of the test is to determine whether the problem is caused by third-party software that loads automatically at startup or login, by a peripheral device, by a font conflict, or by corruption of the file system or of certain system caches.
Disconnect all wired peripherals except those needed for the test, and remove all aftermarket expansion cards, if applicable. Start up in safe mode.
Note: If FileVault is enabled, or if a firmware password is set, or if the startup volume is a Fusion Drive or a software RAID, you can’t do this. Ask for further instructions.
Safe mode is much slower to start up and run than normal, with limited graphics performance, and some things won’t work at all, including sound output and Wi-Fi on certain models. The next normal startup may also be somewhat slow.
The login screen appears even if you usually login automatically. You must know your login password in order to log in. If you’ve forgotten the password, you will need to reset it before you begin.
Test while in safe mode. Same problem?
After testing, restart as usual (not in safe mode) and verify that you still have the problem. Post the results of the test.

Printer won't work after installing mountain lion?

printer won't work after installing mountain lion?

Assuming you've first checked Software Update to see if there are any updated drivers and it's still not working, you could try resetting the printing system.
System Preferences>Print & Scan, Control+Click or Right Click on a printer on the left and select 'reset printing system'. All printers will be deleted and need to be added again.

Unable to install Mac OS X Lion after resetting

I've got a secondhand Macbook Air that I've been trying to wipe the memory out of. I was successful in resetting it, but I had forgotten to update the system before resetting it. After resetting it, I tried installing Mac OS X Lion through Recovery. I've actually successfully been able to do this twice on two other computers, but for this one, no matter how many times I tried, the message "This item is currently unavailable" shows up right after signing into the app store.
I do not have a SuperDrive, and I don't have the CDs either.
Thanks

That was quite dumb question, the RTFM issue
Booted from macintosh HD at startup & removed the windows installation.

(PSE 11)After installing Mac OS X Yosemite, the brush tool doesn't allow me to "paint." It just puts a dot there. Please help.

After installing Mac OS X Yosemite, the brush tool doesn't allow me to "paint." It just puts a dot there. I am using Adobe Photoshop Elements 11. Please help.

Please see:
http://helpx.adobe.com/photoshop-elements/kb/pse-stops-responding-yosemite.html
Thanks,
Anwesha

IMac won't restart after installing OS X 10.6

All I get after installing Mac OSX 10.6 Lion, is a spinning wheel of death. What is going on that it won't restart properly?

Nevermind, I have found a work around. Have to start in "safe mode" then the Setup Assistant will launch properly and the Software Update also works properly.
On to Lion & 10.8!
Thanks for reading my post.

My iphoto won't open after the mac softwareupdate and i can't update i photo it says there is a diffrent apple id ..plz help

my iphoto won't open after the mac softwareupdate and i can't update i photo it says there is a diffrent apple id ..plz help

If you own a copy of iPhoto 'qq Log into the App store usimg the Apple I'd you used to set up the computer and go to updates to update. If you have an older version of iPhoto or purchased a used system then you must purchase iPhoto version 9.5
LN

My apps won't update after installing IOS 6.0.1. They get stuck. What's wrong?

Apps won't update after installing IOS 6.0.1. They get stuck. What's wrong?

You may of had a corrupted install. Connect to iTunes backup then restore. Or update the apps on itunes then sync to the iPhone

System prefrences won't respond after installing Mac os X lion

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