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 4.170.25.19 (11.9 MB)
Intel VGA Driver 7.15.10.1502 (19.1 MB)
Synaptics Touchpad Driver 11.0.2.0 (25.1 MB)
Conexant Modem Driver 7.62.0.0 (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 6.0.1.6300 (49.1 MB)
Realtek Audio Driver 6.0.1.5618 (42.5 MB)
Intel Chipset Driver 8.7.0.1007 (2.1 MB)