How to Empty Trash on a Mac

Click and drag the file, document, or folder you want to delete to the trash can sitting on the Dock on the right side of your screen. Alternatively, navigate to the item you want to delete and right-click on it to highlight it. Select 'Move to Trash' from the contextual menu that opens up. Once the file is in the trash, Click any empty space on the desktop, then click 'Finder' at the top left of your screen and select 'Empty Trash' from the pull-down window. Click on the trash can to verify it has been emptied. If files are still there, move to the next step.
Move the item or items you want to delete to the trash using either of the above methods. Click on the Finder at the top left of your screen and hold the 'Option' key on your keyboard while you select 'Empty Trash.' Click on the trash can to verify it has been emptied. If files are still there, move to the next step.
Quit all applications if you receive an error message saying the file can't be placed in the trash because it is open. Place the item in the trash through the conventional methods. Empty the trash by selecting 'Empty Trash' from the Finder menu. If files are still there, move to the next step.
Repair file permissions. Open the Disk Utility application that resides in the Utilities folder in your Applications folder. Select your system hard drive in the window on the left side of the Disk Utility window. Click 'Repair Disk Permissions' at the bottom of the Disk Utility window and wait until you receive a message that says the permissions have been repaired. If files are still there, move to the next step.
Click 'Finder | Applications | Utilities | Terminal' to open the Terminal. Type the command 'rm -rf ~/.Trash/*' without quote marks into the Terminal window. Press 'Return.' Click on the trash can to verify it has been emptied.
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How to Restore the Trash on a Macbook

Click the 'Trash' icon on your Macbook's dock.
Select the file you wish to restore or put back by clicking it.
Right click on the file or press 'control' on your keyboard while clicking on the file to access the right-click contextual menu.Select 'Put Back' from the menu to restore the file to its original folder or directory.
Select the file you wish to 'Put Back' and press and hold the 'Command' key then press the 'Delete' key, while the item is in the Trash, as an alternative to using the right-click contextual menu. You can also use the 'Gear' icon menu in the Trash Bin finder window for access to the 'Put Back' option.
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