Driver Lenovo B40-70, B50-70, E40-70, E50-70

This Driver compatible to
Lenovo B40-70 
Lenovo B50-70
Lenovo E40-70
Lenovo E50-70

Driver Windows vii 32/64 bit

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Audio Driver 270 MB Download
Bluetooth  173 MB  Download
LAN Realtek 3MB Download
Touchpad . 131 MB Download

VGA Driver
Intel  VGA  38 MB  Download
AMD  VGA  271MB  Download

Wireless Driver
Wireless Atheros, Realtec, Broadcom. 89 MB Download
Wireless Intel  180 MB Download

Camera Software 44 MB Download
Card Reader. 6MB Download

Driver Windows 8.1 64 chip

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Audio Driver 270 MB Download
Bluetooth  174 MB  Download
LAN Realtek 3MB Download
Touchpad . 120 MB Download

VGA Driver
Intel  VGA  71 MB  Download
AMD  VGA  557 MB  Download

Wireless Driver
Wireless Atheros, Realtec, Broadcom. 126 MB Download
Wireless Intel  201 MB Download

Camera Software 75 MB Download
Card Reader. 6MB Download

Driver Windows x 64 chip

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Audio Driver 277 MB Download
Bluetooth  73 MB  Download
LAN Realtek 3MB Download
Touchpad . 81 MB Download

VGA Driver
Intel  VGA  84 MB  Download
AMD  VGA  557 MB  Download

Wireless Driver
Wireless Atheros, Realtec, Broadcom. ninety MB Download
Wireless Intel  201 MB Download

Camera Software 75 MB Download
Card Reader. 6MB Download