Wasti k,
Please continue with DELL-Sujatha K
Additional information is How to Download and Install Drivers in the Correct Order Installing the Dell System Software(if applicable) and the chipset drivers first, tells the system what is installed on the computer. If these drivers are not installed first, the rest of the drivers will fail to install.
Start with the Dell System Software(if applicable) and the chipset drivers and follow the list.
Rick