In-store trade-in requires presentation of a valid photo ID. Actual value awarded is based on receipt of a qualifying device matching the description provided when estimate was made. Trade-in value may be applied towards qualifying new device purchase or added to an Apple Gift Card. You must be at least 18 years old to be eligible to trade in for credit or for an Apple Gift Card. * Trade-in values will vary based on the condition, year and configuration of your trade-in device.If you use multiple displays, you can also set a different image for each screen. The time between changes can be set from the drop down menu and you can have the order shuffled by ticking the 'Random order' box. You can now select the photo you want to use from the options displayed, or select the 'Change picture' option to have the background image cycle through all of the images in your selected folder. Now, choose the location of the folder that contains the photo, or photos you want to use.ģ. To use photos in your Photos app or Pictures folder, you can use the drop down option on the left side of the panel or you can add another folder by clicking the + in the bottom left corner.Ģ. You can also choose to use your own photos for the desktop background:ġ. The 'Dynamic Desktop' options will automatically change your desktop image based on the time of day. Depending on your Mac OS version, you may be able to choose a 'Dynamic Desktop' image. If you want the order to be shuffled, then tick the 'Random order' option box at the bottom of the page. You can choose a single picture for your background, or have your Mac cycle through a selection.

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