• Under the “Show scroll bars” heading, you’ll find three options: “Automatically based on input device,” “When scrolling,” and “Always.” • Go ahead and select that last “Always” option. Here’s how: • Click the Apple menu at the top-left of the screen, then select System Preferences. Excel for mac won scroll with arrow keys. • Next, select the General preferences pane; it’s the very first one, up at the top. ![]() Some USB devices, such as a flash drive or a memory card connected with a USB card reader, must first be ejected before they can be removed from your computer or shut off. The device is ejected to ensure that nothing is being written to the memory card when it’s removed. If you remove the device without first ejecting it the information on it can be corrupted. To eject a device in OS X: • Select the device you want to remove, such as a flash drive, by clicking on it once. • Drag the device to the Trash, which will become an Eject icon as you drag. At that point it is safe to turn off and remove the device from your computer. You can also eject a device by selecting it on the desktop and using the keyboard shortcut Command + E, or you can open up a Finder window and then click on the eject icon next to the device’s name. Jesus Vigo goes over the steps to create a bootable USB to install OS X 10.9 (aka Mavericks). Simply insert your drive, power on the computer, and hold down the Option key to access the boot. Image via Before You Start The obvious first step here is to. But before you do anything else, a word of caution: once you've used the OS X installer, it will automatically delete the file you need to make the backup disk, so you'll want to either make a copy of the installer or create your disk before you upgrade.
You can use a USB flash drive, external hard drive, or DVD-R disc, but the USB drive is quicker. If you're using a USB drive, it has to be formatted as 'Mac OS Extended (Journaled)' and set to partition type 'GUID Partition Table' in order to work. Image via Once inside, browse to the ' Contents > SharedSupport' folder where there will be a file called ' InstallESD.dmg.' This is the image file that contains the information you need to create the backup disk. Step 2: Open Disk Utility (located in your Applications > Utilities folder). Step 3: Drag and drop the ' InstallESD.dmg' into the list of drives on the left and select it. This should make it appear in the Source box on the right. If not, you may have to click the ' Restore' tab as seen below.
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