centos6.4禁用触摸板问题

请问一下各位，为什么在/etc/modprobe.d/blacklist.conf这个文件中添加了 blacklist AlpsPS/2 ALPS GlidePoint 之后还是无法开机就禁用触摸板（已经确定AlpsPS/2 ALPS GlidePoint就是触摸板的名称，而且名字肯定没打错）


Virtual core pointer id=2 [master pointer (3)]
⎜ ↳ Virtual core XTEST pointer id=4 [slave pointer (2)]
⎜ ↳ G-Tech Wireless Dongle id=8 [slave pointer (2)]
⎜ ↳ PS/2 Mouse id=14 [slave pointer (2)]
⎜ ↳ Macintosh mouse button emulation id=15 [slave pointer (2)]
⎜ ↳ AlpsPS/2 ALPS GlidePoint id=16 [slave pointer (2)]
⎣ Virtual core keyboard id=3 [master keyboard (2)]
↳ Virtual core XTEST keyboard id=5 [slave keyboard (3)]
↳ AT Translated Set 2 keyboard id=6 [slave keyboard (3)]
↳ Video WebCam id=7 [slave keyboard (3)]
↳ G-Tech Wireless Dongle id=9 [slave keyboard (3)]
↳ Sleep Button id=10 [slave keyboard (3)]
↳ Lid Switch id=11 [slave keyboard (3)]
↳ Video Bus id=12 [slave keyboard (3)]
↳ Power Button id=13 [slave keyboard (3)]