Drivers for Compaq Presario C770TU Laptop for Windows XP

Video Driver:
ftp://ftp.hp.com/pub/softpaq/sp35501-36000/sp35810.exe
Chipset and LAN Driver:
ftp://ftp.hp.com/pub/softpaq/sp23501-24000/sp23859.exe
Wireless Driver:
http://h30322.www3.hp.com/pub/softpaq/sp35501-36000/sp35991.exe
HP Quick Launch Buttons:
ftp://ftp.hp.com/pub/softpaq/sp35501-36000/sp35977.exe

Realtek RTL8100CL/RTL8110Sb NIC Driver

ftp://ftp.hp.com/pub/softpaq/sp30001-30500/sp30156.exe

Intel Pro Wireless:
ftp://ftp.hp.com/pub/softpaq/sp33001-33500/sp33404.exe

BroadCom Wireless:
ftp://ftp.hp.com/pub/softpaq/sp32001-32500/sp32156.exe

Synaptics Touchpad  drivers:

ftp://ftp.hp.com/pub/softpaq/sp35001-35500/sp35444.exe

HP Help and Support for Microsoft Windows XP :

ftp://ftp.hp.com/pub/softpaq/sp36501-37000/sp36545.exe

This model of Presario has an audio controller that supports the high definition audio. You need to have Microsoft Universal Audio Architecture (UAA) Bus Driver for High Definition Audio installed on the computer before installing the audio driver.

Here is the link for the Microsoft Universal Audio Architecture driver:
 
ftp://ftp.hp.com/pub/softpaq/sp33501-34000/sp33867.exe


Conexant CX20549-12 High Definition Audio driver:

ftp://ftp.hp.com/pub/softpaq/sp36001-36500/sp36090.exe

Note: Please copy the entire link starting from "ftp" to "exe" and paste it in the address bar of the browser in your computer and press enter.

1. Click on Start and select Run. Now type devmgmt.msc and press enter.
2. Right click on "Audio device on High Definition Audio Bus" and click Update driver.
3. Select "Install from a list or specific location"
4. Click Next. Then select "Don't search, I will choose the driver to install"
5. Click Next and then select "Sound, video and game controller" from the list.
6. Click Next and then click Have Disk.
7. Click Browse C:\swsetup\sp36090 folder and the double click the V32 folder. Select the .inf file, click open and Continue with the onscreen instructions.

Similarly install Modem Drivers:

Conexant CX20548 Modem Driver for Microsoft Windows XP

ftp://ftp.hp.com/pub/softpaq/sp36001-36500/sp36089.exe

1.Right click on "Modem device on High Definition Audio Bus" and click Update driver.
2. Select "Install from a list or specific location"
3. Click Next. Then select "Don't search, I will choose the driver to install"
4. Click Next and then select "Modem" from the list.
5. Click Next and then click Have Disk.
6. Click Browse C:\swsetup\sp33890 folder and select the .inf (wis30b2b) file and click open and Continue with the onscreen instructions.
Download these files and save them for back up for future use. Incase you have any queries, feel free to contact us with your queries and suggestions.