I do have close contact with one of the Optiplex 990 desktop computers corporate support, heard from them there have been number of customers of Optiplex facing very high power supply failure. Approximately there have been some 10% to 15% of the Optiplex 990 computer users who have been facing this issue from past few months. I am one of them and came to about its popularity only after I researched a lot on internet and on other sources. Yesterday night on a forum found one of the threads where a similar issue was discussed but it was with the Optiplex 790 and not 990. From then onwards I started wondering whether the issue has been widely spread with other models too and not just limited with 990. Is there anyone with a Dell Desktop computer having the same issue, no matter what model do you have just wanted to know about the issue you people facing.