Dell N5110 touchpad recognized as generic

[JixOME]

Hello all,
I have a Dell Inspiron N5110 i5 and using Fedora 15 as OS.
I'm facing a problem I could not fix after 10 days of searching "Google-ing" and I've re-installed fedora 3 times up to now, I'm using GNOME and this is my Fedora uname :

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[root@khalid ~]# uname -a
Linux khalid.localdomain 2.6.38.6-26.rc1.fc15.i686.PAE #1 SMP Mon May 9 20:36:50 UTC 2011 i686 i686 i386 GNU/Linux 


My problem is that my kernel recognizes my touchpad as a generic mouse :

the output of :

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dmesg|grep pad 


is nothing, while the output from

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dmesg|grep PS 


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[    2.341809] mousedev: PS/2 mouse device common for all mice
[    3.073310] input: PS/2 Generic Mouse as /devices/platform/i8042/serio1/input 


and I got this running

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xinput list 


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[root@khalid ~]# xinput list
⎡ Virtual core pointer                        id=2    [master pointer  (3)]
⎜   ↳ Virtual core XTEST pointer                  id=4    [slave  pointer  (2)]
⎜   ↳ PS/2 Generic Mouse                          id=13    [slave  pointer  (2)]
⎣ Virtual core keyboard                       id=3    [master keyboard (2)]
    ↳ Virtual core XTEST keyboard                 id=5    [slave  keyboard (3)]
    ↳ Power Button                                id=6    [slave  keyboard (3)]
    ↳ Video Bus                                   id=7    [slave  keyboard (3)]
    ↳ Video Bus                                   id=8    [slave  keyboard (3)]
    ↳ Power Button                                id=9    [slave  keyboard (3)]
    ↳ Sleep Button                                id=10    [slave  keyboard (3)]
    ↳ Laptop_Integrated_Webcam_HD                 id=11    [slave  keyboard (3)]
    ↳ AT Translated Set 2 keyboard                id=12    [slave  keyboard (3)]
    ↳ Dell WMI hotkeys                            id=14    [slave  keyboard (3)] 


please help me I'm really frustrated.