pls help in this issue

8
I can able to mouse around in the screen, but I can't able to drag and drop the icons or folders or files.
how to clear this issue and what's the problem???
"We learn from our failure, not from our success"
Hang or repin the slot correctly in cpu back slot
it will worksSmile
"It is very easy to defeat someone, But It's very hard to win someone"                                                                                        - Dr.A.P.J.Abdul Kalam
I tired this but I can't able to clear it
"We learn from our failure, not from our success"