Things You'll Need
Instructions
Open your Web browser and navigate to the "Activision Warranty Claims" website, then click the icon that corresponds to the country or region where you live.
Click the drop-down menus to input the date you purchased your "Guitar Hero" guitar. The website determines whether your warranty is still active and proceeds to the next page if it is.
Click the picture of three guitars on the left side of the page.
Click the "PlayStation 3" link.
Click the guitar model that is broken and then click the part of the guitar that is broken.
Click the radio button that corresponds to the issue you're having with the guitar.
Read Activision's support instructions. Click "No" and "Next" twice to continue with your claim if their instructions do not fix your guitar.
Read the terms, check the "I agree" box and click "Next" to continue.
Click "I agree" and click "Next."
Fill in your personal information and click "Next."
Click "Complete RMA."
Ship your broken guitar to the processing facility indicated onscreen. Include your sales receipt with the broken guitar.