I'm sorry for late reply . I apologize for that . I cannot exactly diagnose where the issue points to . Is it hardware or the software issue . I guess the slot is working fine . I have already mentioned that moving the card does not really help now . Can it be a software problem ?
About an year ago I had removed my graphic card from my computer and kept it away for a long while . The card had been plugged in and plugged out during this year . Now suddenly I see random blue line and yellow patches on my screen . Earlier this issue was fixed by shifting the card in the slot...