More than likely the Ricoh Card reader. Install the drivers listed here:
Yes it is showing up this error. Can you please guide me how to install all drivers since i did not install drivers related to camera and few important updates. I need all drivers for studio model 1435
Just download and install the drivers I listed. I listed them in the correct install order unlike Dell.
The webcam driver is inbuilt into the operating system. Dell Webcam Central is not needed for Windows 8.1. You may need to give it permission to run in Windows 8.1:
Check also if Imaging Devices show up in the Device Manger.