These are older than below but atleast support the GPU's that the Notebooks have 
These are the latest driver for the Precision range of mobile workstations
Dell Mobile Quadro Geforce 340.75
DriverVer = 08/26/2014, 9.18.13.4075 NVIDIA_DEV.06DA.081A.1028 = "NVIDIA Quadro 5000M" NVIDIA_DEV.0A6C.040A.1028 = "NVIDIA NVS 3100M" NVIDIA_DEV.0A6C.040B.1028 = "NVIDIA NVS 3100M " NVIDIA_DEV.0DDA.04A3.1028 = "NVIDIA Quadro 2000M" NVIDIA_DEV.0DDA.14A3.1028 = "NVIDIA Quadro 2000M " NVIDIA_DEV.0DFA.04A3.1028 = "NVIDIA Quadro 1000M" NVIDIA_DEV.0DFA.14A3.1028 = "NVIDIA Quadro 1000M " NVIDIA_DEV.0DFC.0534.1028 = "NVIDIA NVS 5200M" NVIDIA_DEV.0DFC.0535.1028 = "NVIDIA NVS 5200M " NVIDIA_DEV.0DFC.1534.1028 = "NVIDIA NVS 5200M " NVIDIA_DEV.0DFC.1535.1028 = "NVIDIA NVS 5200M " NVIDIA_DEV.0E3A.04A4.1028 = "NVIDIA Quadro 3000M" NVIDIA_DEV.0E3A.14A4.1028 = "NVIDIA Quadro 3000M " NVIDIA_DEV.0E3B.04A4.1028 = "NVIDIA Quadro 4000M" NVIDIA_DEV.0E3B.14A4.1028 = "NVIDIA Quadro 4000M " NVIDIA_DEV.0FF6.05CC.1028 = "NVIDIA Quadro K1100M" NVIDIA_DEV.0FF6.060D.1028 = "NVIDIA Quadro K1100M " NVIDIA_DEV.0FF6.15CC.1028 = "NVIDIA Quadro K1100M " NVIDIA_DEV.0FFB.053E.1028 = "NVIDIA Quadro K2000M" NVIDIA_DEV.0FFB.153E.1028 = "NVIDIA Quadro K2000M " NVIDIA_DEV.0FFC.053E.1028 = "NVIDIA Quadro K1000M" NVIDIA_DEV.0FFC.153E.1028 = "NVIDIA Quadro K1000M " NVIDIA_DEV.1056.0493.1028 = "NVIDIA NVS 4200M" NVIDIA_DEV.1056.0494.1028 = "NVIDIA NVS 4200M " NVIDIA_DEV.1056.04E4.1028 = "NVIDIA NVS 4200M " NVIDIA_DEV.1056.1493.1028 = "NVIDIA NVS 4200M " NVIDIA_DEV.1056.1494.1028 = "NVIDIA NVS 4200M " NVIDIA_DEV.1056.14E4.1028 = "NVIDIA NVS 4200M " NVIDIA_DEV.109A.04A4.1028 = "NVIDIA Quadro 5010M" NVIDIA_DEV.109A.14A4.1028 = "NVIDIA Quadro 5010M " NVIDIA_DEV.1140.05DE.1028 = "NVIDIA GeForce GT 720M" NVIDIA_DEV.1140.05DF.1028 = "NVIDIA GeForce GT 720M " NVIDIA_DEV.1140.05E0.1028 = "NVIDIA GeForce GT 720M " NVIDIA_DEV.1140.05E1.1028 = "NVIDIA GeForce GT 720M " NVIDIA_DEV.11B6.05CD.1028 = "NVIDIA Quadro K3100M" NVIDIA_DEV.11B6.15CD.1028 = "NVIDIA Quadro K3100M " NVIDIA_DEV.11B7.05CD.1028 = "NVIDIA Quadro K4100M" NVIDIA_DEV.11B7.15CD.1028 = "NVIDIA Quadro K4100M " NVIDIA_DEV.11B8.05CD.1028 = "NVIDIA Quadro K5100M" NVIDIA_DEV.11B8.15CD.1028 = "NVIDIA Quadro K5100M " NVIDIA_DEV.11BC.053F.1028 = "NVIDIA Quadro K5000M" NVIDIA_DEV.11BC.153F.1028 = "NVIDIA Quadro K5000M " NVIDIA_DEV.11BD.053F.1028 = "NVIDIA Quadro K4000M" NVIDIA_DEV.11BD.153F.1028 = "NVIDIA Quadro K4000M " NVIDIA_DEV.11BE.053F.1028 = "NVIDIA Quadro K3000M" NVIDIA_DEV.11BE.153F.1028 = "NVIDIA Quadro K3000M " NVIDIA_DEV.11FC.05CC.1028 = "NVIDIA Quadro K2100M" NVIDIA_DEV.11FC.15CC.1028 = "NVIDIA Quadro K2100M " NVIDIA_DEV.1340.062B.1028 = "NVIDIA GeForce 830M " NVIDIA_DEV.1340.062C.1028 = "NVIDIA GeForce 830M " NVIDIA_DEV.1340.0631.1028 = "NVIDIA GeForce 830M " NVIDIA_DEV.1340.0632.1028 = "NVIDIA GeForce 830M " NVIDIA_DEV.1340.0645.1028 = "NVIDIA GeForce 830M " NVIDIA_DEV.1340.0646.1028 = "NVIDIA GeForce 830M " NVIDIA_DEV.1341.062B.1028 = "NVIDIA GeForce 840M " NVIDIA_DEV.1341.062C.1028 = "NVIDIA GeForce 840M " NVIDIA_DEV.1341.062E.1028 = "NVIDIA GeForce 840M " NVIDIA_DEV.1341.0649.1028 = "NVIDIA GeForce 840M " NVIDIA_DEV.13B3.05CD.1028 = "NVIDIA Quadro K2200M" NVIDIA_DEV.13B3.15CD.1028 = "NVIDIA Quadro K2200M "