Yosemite OS and unable to access startup partition

I have a mac mini with the latest updates for Yosemite. I am unable to access the startup partition in order to run disk utility. I have been restarting the computer and holding the option key to access the startup. Any ideas what could be wrong or what I am not doing correctly?

You can run Disk Utility from OS X. You can find it in /Applications/Utilities.
However, if you need to repair your disk or something similar, you may need to start up in OS X Recovery. To do it, hold Command and R keys while your Mac is starting up until you see the Apple logo. After starting up in OS X Recovery, open Disk Utility and do what you need.

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My memebrship has expired and I have exceeded the 30 day limit, i was away on holiday and unable to access mail, is there any way I can renew my account without having to repurchase?

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Guest OS: XP Pro (x86)
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I just got a new WD2 Black Dual Drive (120GB SSD and 1TB mechanical in one unit) so technically there are 2 partitions on the drive.
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OK FaiyazR, I think I see your core question.
When you first create a VM the only "disk" it knows is the virtual one.
If you want to access the physical disk or just specific files on the physical disk, you will have to set up a "Shared Folder". Here is one way to do it:
While in VM Player:
Go to the "Player" button(screen upper-left)
Select "Manage"
Select "Virtual Machine Settings"
In the popup window select "Options"
In the "Options" menu select "Shared Folders"
Click enabled
Click "Map as a network drive in Windows guests"
Click the "Add..." button which brings up the Shared Folder Wizard
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I have mac 10.6.8 and safari 5.1.10. on checking help website i am told latest flash player 16.0.0.305 is already installed BUT is not listed in my applications and unable to access sites requiring flash player. can anyone help?

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I have exactly the same problem And in my case no back-up
Have looked at some older support forums and this is not an isolated problem
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Although I have had a mac for 2 years I do not know the in's and outs.
Have a tried a few suggestions from other forums but no luck
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1. Please thank those who help you by clicking the "Like" button at the bottom of the post that helped you.
2. If your issue has been solved, please resolve it by marking the post "Solution?" which solved it for you!

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Like the topic - "Yosemite is awful- unable to empty trash, volume options are haywire, error codes on file management, and files won't replace when moved. What are my options at this point?"
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Back up all data before proceeding.
This procedure will unlock all your user files (not system files) and reset their ownership, permissions, and access controls to the default. If you've intentionally set special values for those attributes on any of your files, they will be reverted. In that case, either stop here, or be prepared to recreate the settings if necessary. Do so only after verifying that those settings didn't cause the problem. If none of this is meaningful to you, you don't need to worry about it, but you do need to follow the instructions below.
Step 1
If you have more than one user, and the one in question is not an administrator, then go to Step 2.
Triple-click anywhere in the following line on this page to select it:
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Take this step only if you have trouble with Step 1, if you prefer not to take it, or if it doesn't solve the problem.
Start up in Recovery mode. When the OS X Utilities screen appears, select
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resetp
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Under Reset Home Directory Permissions and ACLs, click the Reset button.
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Yosemite OS and unable to access startup partition

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