To diagnose common issues, take a look at the DeWalt DCD771C2 Troubleshooting page.
Background and Identification
The Dewalt DCD771C2 is a compact drill first made available in September of 2013. This model can be identified by the sticker on the motor of the drill and is similar to the Dewalt DCD780C2 and the Dewalt DCD790D2.
The Dewalt DCD771C2 is mostly used by homeowners and do-it-yourselfers. This drill’s lightweight design (6 pounds with battery) and length (9 inches) allows it to fit in tight areas and the high performance motor delivers 300 unit watts out (UWO) of power ability. It also has a high speed transmission which delivers two speeds (0-450 and 1500 rpm) for a variety of fastening and drilling applications.