Its not a trick, or you don't have to change settings. You do not have to make any registry or any other changes. All you need to do is install a simple to use software. And you can change the Start Icon easily. Here is the way to change the start button icon in windows7.
step 1]
Follow the link given below:
"http//www.thewindowsclub.com/windows-7-start-button-changer-released".
and download the file from this page
Step 2]
Open the downloaded file and extract it.
Step 3]
Open the folder and run the program as administrator.
Step 4] Now click on "select and change start button"
and select the appropriate downloaded folder from the left panel.
Step 5] After selecting you can see different types of start button icons and now you can choose the icons from there.
and
step 1]
Follow the link given below:
"http//www.thewindowsclub.com/windows-7-start-button-changer-released".
and download the file from this page
Step 2]
Open the downloaded file and extract it.
Step 3]
Open the folder and run the program as administrator.
Step 4] Now click on "select and change start button"
and select the appropriate downloaded folder from the left panel.
Step 5] After selecting you can see different types of start button icons and now you can choose the icons from there.
and







