Hallo everyone. I am new here, so i hope threat is in the right place. So, i have a very very huge trouble with my laptop. I have Dell inspiron 1525 laptop. I was running Windows vista ultimate. Everything was perfect. But i decided to install Windows 7. (I have this computer 2 years. I had win7 before, and it had no problems. But when i installed windows 7, my computer started to work very slow. I opened task manager to see how laptop is working. Processor works very slow... File transfering is slow too... what happened? help me guys. i have no money to buy a new laptop... ;(