Download Acer Aspire 4730z Windows 7

CHIPSET:
Intel Chipset Installation utility GM45
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Download (miror link)

AUDIO:
Realtek High Definition Audio Driver version 6.0.1.5904
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Download (mirror link)

GRAPHIC:
There are  graphic driver which is ATI and Intel.

1. Intel HD Video Driver
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Download (mirror link)

2. ATI radeon Graphic driver.
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Download (mirror link)

WIRELESS:
There are  wireless to choose, choose only , if the wireless driver work after windows  installation, no need to install this driver.

Intel
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Atheros
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Ralink
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Broadcom
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BLUETOOTH:
Broadcom Bluetooth Driver (2045 and 2046)
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Download (mirror link)

WEBCAM:
There are  applicable driver here, choose one of them, normally both work but you can try which one  work best with your model

1. Bison Camera driver for 0.3
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Download (mirror link)

1. Suyin Camera driver for 1.0
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Download (mirror link)

LAN/ETHERNET:
Realtek gigabit Ethernet driver (RTL8111C)
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Download (mirror link)

CARD READER:
Jmicron Card Reader Driver (JMB385)
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Download (mirror link)

MODEM:
LSI Soft Modem
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Download (mirror link)

TOUCHPAD
Install both touchpad driver.

1. ALPS Touchpad Driver
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Download (mirror link)

2. Synaptics Touchpad Driver
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Download (mirror link)