Urgent dell problem, keep restarting after 3 seconds from boot

[WaseemOnLine]

Hi,
I really need help ASAP
I have dell inspiron 5110 laptop, I decided to download fresh copy of windows 7, and I did, but after finish the installation, it restart at the first few seconds after the logo screen appear, any idea what should I do in order to fix this?
I'll be very thankful

 

[WaseemOnLine]

I find it, I download another version of windows 7 Sp1, then it works