Dell Support +1-877-353-1149 Phone Number for Dell Helpline and Dell Customer Service Phone Number

Start with  USB Driver - General Fix for Problems  to resolve the USB issues. Also, USB ports can sometimes enter a safe power state to protect the system from power surges due to USB devices . To reset the USB ports to a nominal power state: Shut down and turn off the computer . Unplug the computer from the wall or surge protector (then remove the battery if it is a laptop ). "Remove the computer from any port replicator or docking station, disconnect cables to printers or devices such as external monitors, USB memory sticks or SD cards , headset or external speakers, mouse or auxiliary keyboard , turn off WIFI and Bluetooth wireless devices." or Contact Dell Support Phone Number  +1-877-353-1149 . Hold down the power button for 30 seconds. This closes the circuit and ensures all power from components is drained to clear the software connections between the BIOS  and hardware and clear any corruption in the temporary memory. Contact Dell Support Phone Number  +1-