Go to Account Panel http://x10hosting.com/control/login.php and login with cPanel username and password.
Go to "Account" on TOP navigation, ----> Then Click on "forum account".
Enter your existing forums account there and Click on Swap Forum Account Link.
Note: Make sure that the email of client account and forums account is same, otherwise you will get an error.
i just found out that i have another forum account here.
i have already swapped my username to zinex1991 but it still says i dont have a hosting account
can someone help me check which forum account is linked to my hosting account? thanks