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If your Mac has become frustratingly slow, there are a number of ways you . to add new advice and tips for speeding up your Mac computer.

Photo Credit: Apple, Inc. Although Yosemite is free, Snow Leopard is not. If you still are using Mac OS X It is highly likely that some of your software that works with Tiger, Leopard, or Snow Leopard will not work with Yosemite. Also, some of these early models -- eight different Macs -- shipped with 1 GB of RAM by default and will need to have more RAM installed prior to upgrading the operating system.

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If you're not sure if your Mac will run OS X Yosemite, all of the supported systems can be identified by the above "subfamily" designations as well as by the Model Identifier in software. More details about specific identifiers are provided in EveryMac. Specifically, the following Macs are compatible with OS X Yosemite, but did not ship with the operating system by default. However, just because a Mac runs OS X Yosemite does not mean that it is compatible with all features.

Be certain to confirm that you have at least 2 GB of RAM installed on these models prior to taking the time to download Yosemite. MacBook "Core 2 Duo" 2. MacBook Air "Core 2 Duo" 1. MacBook Air "Core 2 Duo" 2. MacBook Air "Core i5" 1. MacBook Air "Core i7" 1. MacBook Air "Core i7" 2.

MacBook Pro "Core 2 Duo" 2. MacBook Pro "Core 2 Duo" 3. MacBook Pro "Core i5" 2. MacBook Pro "Core i7" 2. MacBook Pro "Core i7" 3. Mac mini "Core 2 Duo" 2. Mac mini "Core i5" 2. Mac mini "Core i7" 2. Mac Pro "Quad Core" 2. Restart the virtual machine at the end of the manual tools installation. If you have a large virtual hard disk, or if you intend to use a lot of snapshots, you should not split a virtual machine's virtual hard disk into 2GB files. For smaller virtual hard disks, you can limit the number of snapshots you take. The default limit for open files on the Mac is If you have a large virtual disk split into 2GB files, for instance a GB virtual disk split into files, taking a snapshot immediately exceeds the limit because the snapshot attempts to create another files.

This can cause the virtual machine to fail when powered on, or fail when taking a snapshot.

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If you have smaller virtual hard disks, but are taking many manual snapshots and autoprotect snapshots, the limit can be exceeded as well. Workaround: If you have encountered this problem, you can attempt to recover by converting the split files into a monolithic file. Converting to a monolithic virtual hard disk is a two-stage process. Optional If Only show my snapshots is selected, deselect it. Click the snapshot to delete, or shift-click to select multiple snapshots, and select Delete Snapshot.

Click Delete to discard the snapshot and merge its changes into the parent virtual disk. Rebuild the virtual hard disk files as a monolithic file: Power off the virtual machine. Click the virtual machine thumbnail in the Virtual Machine Library and click Settings. Deselect Split disk into 2GB files , and click Apply. VMware Fusion displays a progress dialog as it rebuilds the virtual disk. A virtual machine powered on from the Boot Camp partition can fail if the Boot Camp partition uses a display connected as a USB device. If you power on such a partition as a virtual machine, the Windows 7 guest operating system fails because of the USB device present.

At this time, the only way to be able to power on the Boot Camp partition as a VMware Fusion virtual machine is to remove the USB display device driver from Boot Camp when you have booted into it natively. After this, you can power on the Boot Camp partition as a virtual machine, but neither the virtual machine nor the native Boot Camp partition will use the USB display. Workarounds for Mac OS X Install using a different user account that does not use FileVault.

Easy Install of CentOS 4 can require user input at the beginning of the installation. Usually, Easy Install provides an unattended install experience, but in this particular case, the installation process asks a few questions at the very beginning of the install.

Answer those and the installation will be unattended from there. For VMware Tools, automatic updates or updates from within a virtual machine do not work if you are upgrading from VMware Fusion 2. VMware Tools installation fails in German and French language Parallels 4 virtual machines Installation of VMware Tools might fail in German and French language Parallels 4 virtual machines that have file sharing enabled.

VMware Tools might display the error message Error Click on the Software button located on the left side of the YaST window optional, but helpful. Find and click Software Management. Remove the packages. User Interface Issues Unity view windows can disappear, then reappear, if a guest application becomes unresponsive for a period of time. When a guest application becomes unresponsive for a while for instance, when Outlook is in the process of sending an email , if that application is open in Unity view, its window can disappear during that period of unresponsiveness.

In some instances a Unity view window brought forward does not show contents previously obscured by a Mac application window. This can occur with Mac OS X Workaround: Move the window to refresh the contents. Power off the virtual machine. Select Accelerate 3D Graphics , close the window, and restart the virtual machine.

With Ubuntu This can occur with Ubuntu Workaround: Switch to Single Window view, then return to Unity view. This problem does not occur with Windows 7 virtual machines. When you create a Windows 7 virtual machine, Windows 7 Aero is not immediately enabled. Aero is not enabled the first time you start up a Windows 7 virtual machine. To enable Aero, right-click on the desktop, click Personalize , and select one of the Aero themes available in the window. Virtual machine window might revert to using a single display after you switch to Full Screen view with multiple displays. When you switch to Full Screen view with multiple displays, in some instances the virtual machine window might revert back after 10 seconds to using a single display, and you may observe a few rendering artifacts during this process.

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Workaround: Wait 30 seconds and retry switching to Full Screen view. While running a virtual machine in Full Screen view, switching Spaces desktops away from the virtual machine might result in an unexpected switch back to the virtual machine. Workaround: Shut down the virtual machine and restart it, and make sure System Preferences is set to prevent sleeping: In the Energy Saver window, set the Put the computer to sleep when it is inactive for: slider to Never. Keyboard input works improperly in one virtual machine if another virtual machine is being suspended at the time of the keyboard input.

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If you suspend a virtual machine, and start some keyboard operation in another open virtual machine before the suspending is complete, the key input acts erratically. This issue disappears when the suspending process completes. Workaround: Wait until a virtual machine is completely suspended before using the keyboard in another open virtual machine. Copy-and-paste or drag-and-drop for images is limited by the size of the internal buffer.


The size limitation for image copy-and-paste or drag-and-drop is the internal buffer size, not the actual image file size. As a result, you might not be able to move an image file that is smaller than the limit of 4MB because the internal buffer exceeds that limit. Copy-and-paste or drag-and-drop for formatted text containing images does not work in a number of cases. Because of different protocols, copy-and-paste or drag-and-drop of formatted text containing images or other non-text elements can result in only the formatted text being moved, without the elements.

QuickTime video might not work in Full Screen view. Occasionally, on Windows guests, when you try to play a QuickTime video in Full Screen view, you see only a black screen or jumbled graphics. Having a screen saver or sleep enabled when in Unity view in these two operating systems results in the virtual machine powering off at the idle time out.

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This can cause an error message when you open 3DMark, although if you then quit and reopen 3DMark it launches fine. If you use 3DMark, have a host resolution that is larger than the display mode being set by any of the 3DMarks. Editing the default suspend script in VMware Tools can cause the virtual machine to become stuck in the suspend state the next time you attempt to suspend it.

VMware recommends that you do not edit the default suspend script suspend-vm-default. An incorrect script can cause the virtual machine to become stuck in the suspend state. If you are not able to edit the default script back to its original content, you can restore it by uninstalling and reinstalling VMware Tools.

Using fast user switching can result in unpredictable behavior in the virtual machine, including problems with the mouse and with CPU usage. If you want to use openSUSE Without the compiler installed, trying to enable shared folders produces the alert, "Unable to update run-time folder sharing status: Unknown error". Workaround: Turn off the timer-based scheduling and use the interrupt-based approach.

If you have been using Ubuntu Some dock icons for applications in your Ubuntu You must delete the existing docker files for those applications after upgrading to VMware Fusion 3. After you delete the files, VMware Fusion produces new dockers that work properly.

To delete old dockers, take the following steps. Suspend or shut down the virtual machine and quit VMware Fusion. Navigate to the Mac folder where the Ubuntu virtual machine is located. Right click on the Ubuntu Open the Applications folder in the package, and delete the contents. Close the package, start VMware Fusion, and resume the virtual machine. New dockers are created automatically the first time you run the applications in Unity view. In certain cases you cannot log in following a reboot in a Windows XP virtual machine because you cannot enter a password.

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Occasionally, you are prevented from logging back in to a Windows XP virtual machine because you cannot enter anything in the password field. You can type the password in this dialog box and log in. In some cases, the virtual machine window can become black if you disable 3D acceleration. If you have high resolution set in your Windows Vista or Windows 7 guest operating system x and above , the virtual machine window can become black if you turn off 3D.

You set the VRAM in the virtual machine's configuration file. Navigate to the Mac folder where the virtual machine is located. Power up the virtual machine again. Cannot install Ubuntu 8. Workaround: add two lines to the VMX configuration file of the Ubuntu 8. Right click on the Ubuntu 8. Power up the Ubuntu virtual machine again. Install Novell Linux Desktop 9 using text mode only. Do not use the graphical installation program to install Novell Linux Desktop 9.

This fails. When installing Novell Linux Desktop 9, use the text mode. Install Red Hat Linux 7. Do not use the graphical, mouse-based installation program to install Red Hat Linux 7. This can fail into a black screen. When installing Red Hat Linux 7. If you share a folder that is already within a shared folder, the File Browser or the virtual machine can become unresponsive later when you attempt to access the folder. Workaround: Reboot the virtual machine and remove sharing from one of the folders. If you have Microsoft Outlook on your Windows guest, sharing or mirroring your Mac's Documents folder results in it becoming the default location for Outlook attachments and other data.

This makes it easier to open attachments from both the host and the guest. Shared folders might appear hung if mapped to the host root directory while the host has many mounted drives. This might cause problems when trying to browse if the host has many mapped or mounted drives. This problem exists because Windows tries to read every directory before presenting it to the user.

If the response time from the mapped or mounted share is slow, shared folders and the host become very sluggish or unresponsive. Workaround: Disconnect or unmount drives, or map your shared folder at least one level down from root. VMware Fusion does not support mirrored folders and other guest-host integration features when the guest user account is a roaming user profile.

If you are logged in under a roaming user profile you can select to mirror folders in VMware Fusion, but no mirroring takes place. VMware Fusion does not display an alert when this happens. Other problems include not setting default URL handlers inside the virtual machine or to launch an application in the Mac from the virtual machine. If you used shared folders in a previous release, you might still see the. If you select Shared Folders on.

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  4. Workaround: Delete the alias by right clicking on it and selecting delete. Default applications don't work if application sharing is not enabled in VMware Fusion preferences. Setting default applications in the VMware Fusion preferences Default Applications pane will not work if application sharing has not been set in the Settings window for a virtual machine. Make sure that the Sharing settings for the virtual machine have the checkbox Allow the virtual machine to open applications on your Mac enabled. Otherwise, the default applications set for handling URLs in the virtual machine won't be modified, and will not open links on the Mac.

    If a proxy application is no longer available in a virtual machine, it might still be assigned to open files or URL types on the host Mac. If you uninstall an application in the virtual machine that has been assigned a role in the host, attempting to launch the proxy application from the host can power on the virtual machine, but VMware Fusion does not display an alert that the application is not available. If you revert to a snapshot of the virtual machine that doesn't have the application, the same thing happens.

    Uninstalling VMware Tools might have this result as well.

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    Sometimes VMware Fusion does not open a file or link with a default application. There are a number of cases where VMware Fusion, by design, does not open a default application and presents an alert stating "file on the host cannot be opened from inside of guest. Also, VMware Fusion presents the alert if no application exists on the host that can open the file in the virtual machine. Working offline messages and synchronization error messages can appear if mirrored folders is enabled.