The Intel Celeron M processor used in the Acer Aspire 5330 is a low-end quad-core processor. As a rule, erroneous drivers of internal devices, such as WLAN adapter, soundcard, USB Host Controller or the like, are the reasons for this.
The following drivers,software and user manual are compatible with your Acer Aspire 5330 notebook and compatible with Windows Vista and Windows 7 32-bit.
Broadcom Wireless LAN Driver 220.127.116.11 (11.9 MB)
Intel VGA Driver 18.104.22.1682 (19.1 MB)
Synaptics Touchpad Driver 22.214.171.124 (25.1 MB)
Conexant Modem Driver 126.96.36.199 (2.1 MB)
Marvell LAN Driver 10.55.3.3 (1.0 MB)
Realtek Card Reader Driver 6.0.6000.20076 (6.8 MB)
Broadcom Bluetooth Driver 188.8.131.5200 (49.1 MB)
Realtek Audio Driver 184.108.40.20618 (42.5 MB)
Intel Chipset Driver 220.127.116.117 (2.1 MB)