I have installed windows 7 professional 64 bit (SP1) using USB pendrive. Though installation was all ok. But now I have another problem. When I start my laptop samsung brand logo occurs and it stalls. Everytime I have to press F10 during start up and select windows boot manager.No flawless start up. Please help me to remove windows boot manager during start up.I would be very grateful 

My Computer
- Computer type
- Laptop
- Computer Manufacturer/Model Number
- samsung
- OS
- windows 7 professional 64 bit