All new computer parts come in an anti-static bag. Static can cause your computer parts to have faults. The friction from walking on carpet creates static charges.  If you remove a working computer part and clean it up for ready for photos. Do not use carpet as your photo background. You may have just created a fault on your computer part by doing this.  If you took photos of your computer part on carpet, listed it and sold it. Then the buyer says it's not working properly. Don't say 'It was working in my PC', think on it, retrace your extraction, cleaning and phototaking process, slap that...