KLA-Tencor uses Fidelity as a recordkeeper. You can log in to your account at www.netbenefits.com. If you have not registered previously, you can register right on the website. If you have registered previously, but forgot you username and password, you can recover your login information on their website.
You will find a listing of your investment choices on the netbenefits website.
Hi there thanks for reaching out. You need to contact the human resources department of your employer or the investment provider of the 401(k) plan. Do you receive statements or know how to contacts these entities?