To delete desktop icons in Windows 7, go to Desktop, right-click on the specific icon, click Delete, and then click Yes when asked whether you are sure you want to move the selected icon to the Recycle Bin. However, this process does not permanently remove the file from the computer.
To permanently remove the deleted file from the computer, go to the Recycle Bin, right-click anywhere on the deleted file, and then click Delete. Click Yes when asked whether you are sure you want to permanently delete the selected file from your computer. This process permanently deletes the selected file and it can only be recovered when advanced technology is applied.