Problem with dell studio 1737 downgraded from vista to xp

Hi I have dell studio 1737 and recently i downgraded it from vista to xp. Everything is successfully installed, but there are some driver problem, the some yellow exclamation mark in my device manager which are as follows:

1) Ricoh MMc Host Controler
Device type: IDE ATA/ATAPI controllers
Manufacturer: Ricoh Company
This device is not working properly because Windows cannot load the drivers required for this device. (Code 31)

2) 1394 Net Adapter
Device type : Network adapter
Manufacturer: Microsoft
This device cannot start. (Code 10)

In other devices:
1) Fingerprint Sensor
Device type: other devices
Manufacturer: unknown
Location: Location 0(Fingerprint Sensor)
The drivers for this device are not installed. (Code 28)

2) Unknown device
Device type:other devices
Manufacturer: Unknown
Location: on Intel(R) ICH9M LPC Interface Controller - 2
The drivers for this device are not installed. (Code 28)

3) Unknown device
Device type: other devices
Manufacturer: Unknown
Location: on Microsoft ACPI-Complaint System

Please help me out with this problem as i am looking for this problem everywhere on internet, i tried manufacturers website to get drivers but not much helpfull, I am searching for this problem for 2 weeks and its driving me nuts, any guide will be very helpfull.


Thanks