Drivers have to be installed in the following sequence -
Win XP SP2 patch - ftp://ftp.microsoft.com.ar/so/KB888111/eng/kb888111xpsp2.exe
Chipset - http://ftp.us.dell.com/chipset/R217742.exe
Ricoh - http://ftp.us.dell.com/chipset/R222522.exe
Audio - http://ftp.us.dell.com/audio/R221865.exe
Video - http://ftp.us.dell.com/video/R217764.exe
Ethernet - http://ftp.us.dell.com/network/R223644.exe
Touchpad - http://ftp.us.dell.com/input/R222525.exe
Bluetooth (Dell 355) - http://ftp.us.dell.com/network/R161378.exe
Wi-Fi (Dell Wi-Fi 1397)- http://ftp.us.dell.com/network/R189133.exe
Manual steps to install the Wi-Fi –
1. Extract the files normally
2. In device manager ---> Right click on Network Controller
3. Select Next ---> Choose to install driver from a specific path
4. While searching for compatible driver in a specific location ---> Browse and add the extracted folder (C:\DELL\Drivers\R189133\Driver\)
Modem - http://ftp.us.dell.com/comm/R223642.exe
Modem should get installed automatically when extracted