Step 1 : You need down load 2 tool below :
Link down win 7dvd tool : http://wudt.codeplex.com/ – this tool of microsoft will help you creat a bootable USB Flash Drive .
List of boot menu keys for all laptop and pc:
stem BIOS Boot Keys for Laptops/Desktop PCs
Here is my list of Laptop and Desktop System Boots Codes for various vendors. It’s great if you’re a techy like me and you’re trying to remember what code to use for a particular brand or model of computer. Note, not all keys will work as some models have different key combinations to others.
Acer
F2 (BIOS Setup)
F12 (Boot Device Options)
ALT + F10 (Acer eRecovery)
ASUS
ESC (Boot Selection Menu)
F2 (BIOS Setup)
F9 (Asus Laptop Recovery)
Apple (Models 2006+)
Command + Option + P + R (PRAM and NVRAM Reset)
Command + S (Boot into Single-User Mode)
Command + V (Boot with Verbose Status)
Option (Select Hard Drive Boot Volume)
Option + N (Boot Image from Netboot Server)
Shift (Boot into Safe Mode)
C (Boot from CD Drive)
D (Boot from OS/X Recovery and perform Hardware Test)
N (Boot from Network)
Dell
CTRL + F11 (Dell™ PC Restore by Symantec)
F8 (Repair Your Computer) Dell Factory Image Restore
EI Systems
F10 (System Recovery)
Fujitsu
F2 (BIOS Setup)
F12 (Boot Menu)
Gateway
F11 or R (Gateway Recovery)
HP / Compaq Desktops
F10 (HP Recovery)
HP Pavilion / Compaq Laptops
ESC (Startup Menu)
F1 (System Information)
F2 (System Diagnostic)
F9 (Boot Device Options)
F10 (BIOS Setup)
F11 (System Recovery)
IBM ThinkPad
F11 (IBM Product Recovery)
Intel NUC
F2 (System Setup)
F7 (BIOS Update)
F10 (Boot Menu)
Lenovo
Lenovo-OneKey-Button15x15 (Lenovo OneKey Rescue System)
F2 (BIOS Setup)
Packard Bell
F11 (Recovery Program)
Sony Vaio
F10 (VAIO Recovery Wizard)
Toshiba
0 (zero) (Toshiba Harddrive Recovery Utility)
F2 (Setup Utility)
F8 (Advanced Boot Options Menu)
F12 (Boot Menu)
