This driver is the suggested driver for Compaq Presario CQ20-320TU Windows XP Driver, after download and install the driver in order given, please report back if any of the driver not work with your laptop. I will find a nother solution and if any of the link broken please inform by leaving your comments.
Intel Chipset,Intel® 4, 3, 900 Series Chipsets(install and reboot before other drivers):
Download
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Audio:MS-UAA(required with a reboot before Audio and Video and modem drivers)
Download
Intel video driver:
http://downloadcenter.intel.com/NotFound.aspx?NotAvail=Y&lang=eng
ADI SoundMAX AD1984A Audio Driver
Download
High-Definition Audio (HDA) Modem Installer and Driver
http://www.mediafire.com/?ymhjymijnjm
since the original ftp broken i upload to the webhosting site
Broadcom Wireless driver
Download
HP 3D DriveGuard 1.10 A
Download
If you have Bluetooth Wireless
Download.
Net Framework(required before Quick Launch):
DownloadHP Quick Launch ButtonsDownload
Download the rest of the driver from your model site1. Synaptics Touchpad Driver2. Chicony Camera Driver3. Marvell Yukon Gigabit Ethernet Controller Driverhere:
Intel Chipset,Intel® 4, 3, 900 Series Chipsets(install and reboot before other drivers):
Download
----------------------------------
Audio:MS-UAA(required with a reboot before Audio and Video and modem drivers)
Download
Intel video driver:
http://downloadcenter.intel.com/NotFound.aspx?NotAvail=Y&lang=eng
ADI SoundMAX AD1984A Audio Driver
Download
High-Definition Audio (HDA) Modem Installer and Driver
http://www.mediafire.com/?ymhjymijnjm
since the original ftp broken i upload to the webhosting site
Broadcom Wireless driver
Download
HP 3D DriveGuard 1.10 A
Download
If you have Bluetooth Wireless
Download.
Net Framework(required before Quick Launch):
DownloadHP Quick Launch ButtonsDownload
Download the rest of the driver from your model site1. Synaptics Touchpad Driver2. Chicony Camera Driver3. Marvell Yukon Gigabit Ethernet Controller Driverhere: