Here are drivers for your Acer Aspire 7741ZG. Newer acer laptop drivers available for windows 7. Remember to create restore point so you can roll back your previous drivers if these drivers not suit your needs.
SATA AHCI Driver
Intel iAMT Driver
Sound Audio Driver
Atheros Bluetooth Driver
Broadcom Bluetooth Driver
Card Reader Driver
Chipset Driver
LAN Driver
Modem Driver
ALPS Touchpad Driver
Synaptics Touchpad Driver
Turbo Boost Driver
Graphics VGA Driver
VGA Driver (Radeon HD 6370M / 6550M)
VGA Driver (Mobility Radeon HD 5450 / 5650)
Atheros Wireless LAN Driver
Intel Wireless LAN Driver
Broadcom Wireless LAN Driver