To begin you must first remove the screws on the back and sides of the DVR. Remove the screws that hold the DVR casing: You will need a Philips head screwdriver for this step. The steps below are general and the images of the DVR may not be identical to the DVR model you purchased, however, the process should be the same.Ĭaution: Never install or remove the HDD while the DVR is powered on For instances in which you require a larger capacity HDD or if your DVR did not include a pre-installed HDD, you can follow along with these quick and easy steps that will demonstrate how to install/upgrade the DVR’s HDD. Most DVR’s included in our kits already have a pre-installed internal HDD and is ready to begin recording right out of the box.