This article contains information on the touchpad experiencing erratic behavior or freezing when the AC adapter or LAN cable is connected on Dell Latitude generation E2 or E3 laptops.

Hard Disk Drives (HDD) and Solid State Drives (SSD) like any electronic device are subject to occasional hardware failures. This article is to help you determine if your HDD or SSD meets replacement criteria.

If after installing the normal drivers and running the Dell Update program for your XPS 9530 system, you still have Unknown devices listed in Device manager and one referred to as PCI DATA Acquisition and Signal Processing Controller.