useful tips for win7--close the noise volume(关掉win7开机、系统操作的声音)

 how to close the voice of your PC?

i)   open your computer and then press F2 to enter the BIOS set-up interface;

ii)   find the boot Logo Volume, change its value to '0', the next time, you would not hear the noise volume. 

however, if you want to close your system volume, follow the next steps:

 

and then you can change the value you like. have a try!