Disk utility not working when upgraded to Yosemite

I have two MacBook pros (one is a mid 2010 13 inch and new Mid 2014 15 inch Retina), both of which disk utility stopped working when updated to OS X Yosemite from Mavericks. It says "You can't use this copy of Disk Utility with this version of OS X. Open the copy of Disk Utility located in the Utilities folder of the Applications folder of your startup disk." I was able to fix the old 13 inch by clearing the hard drive and pressing CMD+R to reinstall the OS but the new macbook I have not been able to fully clear the SSD. And for some weird reason my bootcamp partition on my 15 inch is being read as a totally separate hard drive instead as a partition.
Any help on totally erasing the hard drives and making them one is greatly appreciated!

If you don't already have a current backup, back up all data, then reinstall the OS.* You don't need to erase the startup volume, and you won't need the backup unless something goes wrong. If the system was upgraded from an older version of OS X, you may need the Apple ID and password you used.
If you use FileVault 2, then before running the Installer you must launch Disk Utility and select the icon of the FileVault startup volume ("Macintosh HD," unless you gave it a different name.) It will be nested below another icon with the same name. Click the Unlock button in the toolbar and enter your login password when prompted. Then quit Disk Utility to be returned to the main Recovery screen.
There are ways to back up a computer that isn't fully functional. Ask if you need guidance.
If you installed the Java runtime distributed by Apple and still need it, you'll have to reinstall it. The same goes for Xcode. All other data will be preserved.
*The linked support article refers to OS X 10.10 ("Yosemite"), but the procedure is the same for OS X 10.7 ("Lion") and later.

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http://www.apple.com/support/downloads/macosxcombinedupdate1039.html
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Well I fixed this. Get the AirPortBaseStationUpdate2007001.dmg update. I had installed this, but it didn't put in a few items that it should have. Mainly a little application in Core Servies. I used Pacifist to install the Airport Disk Utility again, and then restarted. I no longer got a beep when opening AD Utility, but I had to uncheck "Automatically discover disks" then turn off file sharing on the router, wait for it to restart, then turn file sharing back on, and then open AD Utility after restart and click Auto Discover. It then saw my disks. I also changed the name of the Windows Workgroup, I don't know if that had something to do with it. Good luck!

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Hello all,
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Sounds like you have two versions of Disk Utility available to use. Did you clean install? Are you running separate partitions with different OS X systems? Search with spotlight and choose show in finder at the bottom of the list. Double click the Finder Ikon in the main window, this will open a finder window with all the search results. Applications should be your top hit. If you have two Disk Utility's showing, Single click on each and the path for each will be displayed in the bottom bar of the Finder window. Or Command-I will bring up the info window on each one.
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Hello Michael Dixon2,
Thanks for using Apple Support Communities.
In order to troubleshoot this issue where the optical drive does not accept discs, please follow the steps below.
Doesn't accept discs
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Cheers,
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Hi
I have just got myself a new airport base station (b,g,n) and all is nearly working well. I have an iBook g4 mini Mac g4 and an iMac Intel all working wireless no problem (all only on G). I have put a USB hard drive on the base station so that we can all share a network drive. I also have on the network 3 express stations for speakers and one has a printer on it as well. The printer is always ready for all to use and iTunes works on any or all systems through out the house. The problem being is that all 3 can map the network drive okay and use it fine, but after a while each will lose the drive and when I use airport disk utility to re-mount it, it comes with a window saying "action: ignore connect as guest or connect with password" I have set up with a disk password but it says incorrect user etc etc the password is correct and the only way to fix this is by rebooting the station.
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I upgraded to 7.1 and now all is fine

Possible Workaround - AirPort Extreme Disk Utility not working in Windows

1) The only way I have managed to get Windows (in my case Vista) working with AE Disk Utility is to set it up using the "Assist Me" or "Manual Setup" with the Airport Utility with no special settings used to configure it.
2) Update the Station & let it restart.
3) On your Windows PC - Simply temporarily DISABLE your firewall until the next step is successfully completed. (I am using Norton 360).
4) Use the Airport Disk Utility to log on as either a Guest or User. (You should see the drive appear under Windows Explorer & see ALL the files it contains)
5) Re-enable the Firewall you have.
6) This works for me everytime & I am able to stay connected to my USB drive for as long as I want or I wish to disconnect it.
7) Repeat the above everytime you want to re-connect the drive to the Airport Extreme.
I am able to connect successfully using my MAC Mini & my Dell Laptop at the same time without conflict.
I know this is not an elegant solution, but until Apple get sort this out, it is failry easy to try.
I hope it works for you !
Enjoy :))
Mac Mini / PC Laptop Mac OS X (10.4.9) Windows Vista Ultimate

Well I fixed this. Get the AirPortBaseStationUpdate2007001.dmg update. I had installed this, but it didn't put in a few items that it should have. Mainly a little application in Core Servies. I used Pacifist to install the Airport Disk Utility again, and then restarted. I no longer got a beep when opening AD Utility, but I had to uncheck "Automatically discover disks" then turn off file sharing on the router, wait for it to restart, then turn file sharing back on, and then open AD Utility after restart and click Auto Discover. It then saw my disks. I also changed the name of the Windows Workgroup, I don't know if that had something to do with it. Good luck!

The thunderbolt firmware 1.2 update keeps reappearing. I have a MacBook Pro and 2011 Thunderbolt display. Did not discionnect when upgrading to Yosemite (only read the instructions later). Thanks.

Hi There,
I have a MacBook Pro (late 2011) and a Thundertbolt Display. I have recently upgraded to Yosemite. Since then Thunderbolt Firmware update 1.2 keeps reappearing and I cannot complete the update (with and without display connected etc.). Any advice? Thanks.

Hello HTG65,
If the Thunderbolt Firmware Update 1.2: Keeps reappearing try reinstalling it following the steps in this article.
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To resolve this issue:
Shutdown your computer.
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Disk utility not working when upgraded to Yosemite

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