Your driver is up to date - if you have a problem with your driver, you can try to re-install the old version as below .
Intel(R) 4 Series Chipset PCI Express Root Port - 2E21
Others
9.1.9.1005
2013-07-25
7.45 MB
2K, XP, 2K3, VISTA, WIN7, WIN8/32bits
XP, VISTA, WIN7, WIN8/64bits
Intel(R) 4 Series Chipset PCI Express Root Port - 2E21
Others
9.1.9.1005
2013-07-25
5.31 MB
2K, XP, 2K3, VISTA, WIN7, WIN8/32bits
XP, VISTA, WIN7, WIN8/64bits
Intel(R) 4 Series Chipset PCI Express Root Port - 2E21
9.1.9.1005
2013-07-25
14.07 MB
2K, XP, 2K3, VISTA, WIN7, WIN8/32bits
XP, VISTA, WIN7, WIN8/64bits
Intel(R) 4 Series Chipset PCI Express Root Port - 2E21
9.1.9.1005
2013-07-25
1.51 MB
2K, XP, 2K3, VISTA, WIN7, WIN8/32bits
XP, VISTA, WIN7, WIN8/64bits
Intel(R) 4 Series Chipset PCI Express Root Port - 2E21
9.1.9.1005
2013-07-25
9.61 MB
2K, XP, 2K3, VISTA, WIN7, WIN8/32bits
XP, VISTA, WIN7, WIN8/64bits
Intel(R) 4 Series Chipset PCI Express Root Port - 2E21
Others
9.1.9.1005
2013-07-25
5.88 MB
2K, XP, 2K3, VISTA, WIN7, WIN8/32bits
XP, VISTA, WIN7, WIN8/64bits
Intel(R) 4 Series Chipset PCI Express Root Port - 2E21
9.1.9.1005
2013-07-25
5.5 MB
2K, XP, 2K3, VISTA, WIN7, WIN8/32bits
XP, VISTA, WIN7, WIN8/64bits
Intel(R) 4 Series Chipset PCI Express Root Port - 2E21
9.1.9.1005
2013-07-25
4.15 MB
2K, XP, 2K3, VISTA, WIN7, WIN8/32bits
XP, VISTA, WIN7, WIN8/64bits
Intel(R) 4 Series Chipset PCI Express Root Port - 2E21
9.1.9.1005
2013-07-25
1.49 MB
2K, XP, 2K3, VISTA, WIN7, WIN8/32bits
XP, VISTA, WIN7, WIN8/64bits
Intel(R) 4 Series Chipset PCI Express Root Port - 2E21
9.1.9.1005
2013-07-25
2.5 MB
2K, XP, 2K3, VISTA, WIN7, WIN8/32bits
XP, VISTA, WIN7, WIN8/64bits
Intel(R) 4 Series Chipset PCI Express Root Port - 2E21
9.1.9.1005
2013-07-25
5.52 MB
2K, XP, 2K3, VISTA, WIN7, WIN8/32bits
XP, VISTA, WIN7, WIN8/64bits
Intel(R) 4 Series Chipset PCI Express Root Port - 2E21
9.1.9.1005
2013-07-25
1.49 MB
2K, XP, 2K3, VISTA, WIN7, WIN8/32bits
XP, VISTA, WIN7, WIN8/64bits
Intel(R) 4 Series Chipset PCI Express Root Port - 2E21
9.1.9.1005
2013-07-25
9.95 MB
2K, XP, 2K3, VISTA, WIN7, WIN8/32bits
XP, VISTA, WIN7, WIN8/64bits
Intel(R) 4 Series Chipset PCI Express Root Port - 2E21
9.1.9.1005
2013-07-25
5.04 MB
2K, XP, 2K3, VISTA, WIN7, WIN8/32bits
XP, VISTA, WIN7, WIN8/64bits
Intel(R) 4 Series Chipset PCI Express Root Port - 2E21
9.1.9.1005
2013-07-25
5.39 MB
2K, XP, 2K3, VISTA, WIN7, WIN8/32bits
XP, VISTA, WIN7, WIN8/64bits
Intel(R) 4 Series Chipset PCI Express Root Port - 2E21
9.1.9.1005
2013-07-25
5.36 MB
2K, XP, 2K3, VISTA, WIN7, WIN8/32bits
XP, VISTA, WIN7, WIN8/64bits
Intel(R) 4 Series Chipset PCI Express Root Port - 2E21
Others
9.1.9.1005
2013-07-25
4.73 MB
2K, XP, 2K3, VISTA, WIN7, WIN8/32bits
XP, VISTA, WIN7, WIN8/64bits
Intel(R) 4 Series Chipset PCI Express Root Port - 2E21
9.1.9.1005
2013-07-25
5.49 MB
2K, XP, 2K3, VISTA, WIN7, WIN8/32bits
XP, VISTA, WIN7, WIN8/64bits
Intel(R) 4 Series Chipset PCI Express Root Port - 2E21
9.1.9.1005
2013-07-25
18.95 MB
2K, XP, 2K3, VISTA, WIN7, WIN8/32bits
XP, VISTA, WIN7, WIN8/64bits
Intel(R) 4 Series Chipset PCI Express Root Port - 2E21
9.1.9.1005
2013-07-25
11.63 MB
2K, XP, 2K3, VISTA, WIN7, WIN8/32bits
XP, VISTA, WIN7, WIN8/64bits
Intel(R) 4 Series Chipset PCI Express Root Port - 2E21
9.1.9.1005
2013-07-25
11.58 MB
2K, XP, 2K3, VISTA, WIN7, WIN8/32bits
XP, VISTA, WIN7, WIN8/64bits
Intel(R) 4 Series Chipset PCI Express Root Port - 2E21
9.1.9.1005
2013-07-25
5.14 MB
2K, XP, 2K3, VISTA, WIN7, WIN8/32bits
XP, VISTA, WIN7, WIN8/64bits
Intel(R) 4 Series Chipset PCI Express Root Port - 2E21
9.1.9.1005
2013-07-25
1.51 MB
2K, XP, 2K3, VISTA, WIN7, WIN8/32bits
XP, VISTA, WIN7, WIN8/64bits
Intel(R) 4 Series Chipset PCI Express Root Port - 2E21
Others
9.1.9.1005
2013-07-25
8.89 MB
2K, XP, 2K3, VISTA, WIN7, WIN8/32bits
XP, VISTA, WIN7, WIN8/64bits
Intel(R) 4 Series Chipset PCI Express Root Port - 2E21
Others
9.1.9.1005
2013-07-25
592.51 MB
2K, XP, 2K3, VISTA, WIN7, WIN8/32bits
XP, VISTA, WIN7, WIN8/64bits
Intel(R) 4 Series Chipset PCI Express Root Port - 2E21
9.1.9.1005
2013-07-25
8.41 MB
2K, XP, 2K3, VISTA, WIN7, WIN8/32bits
XP, VISTA, WIN7, WIN8/64bits
Intel(R) 4 Series Chipset PCI Express Root Port - 2E21
9.1.9.1005
2013-07-25
13.27 MB
2K, XP, 2K3, VISTA, WIN7, WIN8/32bits
XP, VISTA, WIN7, WIN8/64bits
Intel(R) 4 Series Chipset PCI Express Root Port - 2E21
Others
9.1.9.1005
2013-07-25
5.36 MB
2K, XP, 2K3, VISTA, WIN7, WIN8/32bits
XP, VISTA, WIN7, WIN8/64bits
Intel(R) 4 Series Chipset PCI Express Root Port - 2E21
9.1.9.1005
2013-07-25
5.46 MB
2K, XP, 2K3, VISTA, WIN7, WIN8/32bits
XP, VISTA, WIN7, WIN8/64bits
Intel(R) 4 Series Chipset PCI Express Root Port - 2E21
9.1.9.1005
2013-07-25
169.13 MB
2K, XP, 2K3, VISTA, WIN7, WIN8/32bits
XP, VISTA, WIN7, WIN8/64bits
Intel(R) 4 Series Chipset PCI Express Root Port - 2E21
9.1.9.1005
2013-07-25
5.41 MB
2K, XP, 2K3, VISTA, WIN7, WIN8/32bits
XP, VISTA, WIN7, WIN8/64bits
Intel(R) 4 Series Chipset PCI Express Root Port - 2E21
9.1.9.1005
2013-07-25
4.3 MB
2K, XP, 2K3, VISTA, WIN7, WIN8/32bits
XP, VISTA, WIN7, WIN8/64bits
Intel(R) 4 Series Chipset PCI Express Root Port - 2E21
9.1.9.1005
2013-07-25
36.3 MB
2K, XP, 2K3, VISTA, WIN7, WIN8/32bits
XP, VISTA, WIN7, WIN8/64bits
Intel(R) 4 Series Chipset PCI Express Root Port - 2E21
9.1.9.1005
2013-07-25
5.36 MB
2K, XP, 2K3, VISTA, WIN7, WIN8/32bits
XP, VISTA, WIN7, WIN8/64bits
Intel(R) 4 Series Chipset PCI Express Root Port - 2E21
9.1.9.1005
2013-07-25
1.24 MB
2K, XP, 2K3, VISTA, WIN7, WIN8/32bits
XP, VISTA, WIN7, WIN8/64bits
Intel(R) 4 Series Chipset PCI Express Root Port - 2E21
9.1.9.1005
2013-07-25
11.12 MB
2K, XP, 2K3, VISTA, WIN7, WIN8/32bits
XP, VISTA, WIN7, WIN8/64bits
Intel(R) 4 Series Chipset PCI Express Root Port - 2E21
9.1.9.1005
2013-07-25
6.2 MB
2K, XP, 2K3, VISTA, WIN7, WIN8/32bits
XP, VISTA, WIN7, WIN8/64bits
Intel(R) 4 Series Chipset PCI Express Root Port - 2E21
9.1.9.1005
2013-07-25
11.63 MB
2K, XP, 2K3, VISTA, WIN7, WIN8/32bits
XP, VISTA, WIN7, WIN8/64bits
Intel(R) 4 Series Chipset PCI Express Root Port - 2E21
9.1.9.1005
2013-07-25
5.51 MB
2K, XP, 2K3, VISTA, WIN7, WIN8/32bits
XP, VISTA, WIN7, WIN8/64bits
Intel(R) 4 Series Chipset PCI Express Root Port - 2E21
9.1.9.1005
2013-07-25
1.49 MB
2K, XP, 2K3, VISTA, WIN7, WIN8/32bits
XP, VISTA, WIN7, WIN8/64bits
Intel(R) 4 Series Chipset PCI Express Root Port - 2E21
Others
9.1.9.1005
2013-07-25
5.73 MB
2K, XP, 2K3, VISTA, WIN7, WIN8/32bits
XP, VISTA, WIN7, WIN8/64bits
Intel(R) 4 Series Chipset PCI Express Root Port - 2E21
Others
9.1.9.1005
2013-07-25
12.05 MB
2K, XP, 2K3, VISTA, WIN7, WIN8/32bits
XP, VISTA, WIN7, WIN8/64bits
Intel(R) 4 Series Chipset PCI Express Root Port - 2E21
Others
9.1.9.1005
2013-07-25
4.48 MB
2K, XP, 2K3, VISTA, WIN7, WIN8/32bits
XP, VISTA, WIN7, WIN8/64bits
Intel(R) 4 Series Chipset PCI Express Root Port - 2E21
9.1.9.1005
2013-07-25
5.52 MB
2K, XP, 2K3, VISTA, WIN7, WIN8/32bits
XP, VISTA, WIN7, WIN8/64bits
Intel(R) 4 Series Chipset PCI Express Root Port - 2E21
Others
9.1.9.1005
2013-07-25
5.26 MB
2K, XP, 2K3, VISTA, WIN7, WIN8/32bits
XP, VISTA, WIN7, WIN8/64bits
Intel(R) 4 Series Chipset PCI Express Root Port - 2E21
9.1.9.1005
2013-07-25
11.63 MB
2K, XP, 2K3, VISTA, WIN7, WIN8/32bits
XP, VISTA, WIN7, WIN8/64bits
Intel(R) 4 Series Chipset PCI Express Root Port - 2E21
9.1.9.1005
2013-07-25
6.11 MB
2K, XP, 2K3, VISTA, WIN7, WIN8/32bits
XP, VISTA, WIN7, WIN8/64bits
Intel(R) 4 Series Chipset PCI Express Root Port - 2E21
Others
9.1.9.1005
2013-07-25
225.47 MB
2K, XP, 2K3, VISTA, WIN7, WIN8/32bits
XP, VISTA, WIN7, WIN8/64bits
Intel(R) 4 Series Chipset PCI Express Root Port - 2E21
Others
9.1.9.1005
2013-07-25
5.87 MB
2K, XP, 2K3, VISTA, WIN7, WIN8/32bits
XP, VISTA, WIN7, WIN8/64bits
Intel(R) 4 Series Chipset PCI Express Root Port - 2E21
9.1.9.1005
2013-07-25
1.69 MB
2K, XP, 2K3, VISTA, WIN7, WIN8/32bits
XP, VISTA, WIN7, WIN8/64bits