first step format the stick with USB Prep Format Tool or with HP Usb Format Tool.
format it with fat. why i Choose FAT as File system..?? Because if you use NTSF or fat32 you will spent more time to waiting 4 the copying process.
Copy your 7 installer from DVD to your own usb stick.. wait until you are finish with this step.
then, Make your USB recognized as 7 bootable,
run command prompt with pressing Win Keyboard + R or start -> Run…
type the letter of your USB. for example, USB placed on Letter F:
type f: then enter.
type “cd boot” at command prompt to change the boot directory….
then type “bootsect /nt60” to make 7 booted.
after that you will find the line on command prompt that you are done with 7 bootable.
restart your Laptop.. Then boot it from USB Flash drive in Bios Setup.
follow the instruction of instaling seven.
note : it more fast than we install XP from flash drive.. Just wait approximately 15 min to finish it…
You have 7 installed in your Laptop…