Inside the DVR you will find 2 main components, One is the Motherboard, the other is the SATA Hard drive.When the DVR is powered down, Remove the cover from the DVR.If the DVR is stalling during this phase it could indicate a problem with the hard drive When DVR's boot-up there is a 'test' phase that they run through to check for any errors prior to going into the programmed recording mode.If you try to access recorded video surveillance footage and you cannot find any video in the history or playback section of your DVR.Indicators the Hard Drive on your DVR may have failedHere are a few examples of situations that may indicate your hard drive has failed. These same steps can be used for iDVR-E and other brand security camera DVRs as well. How-to Determine if your CCTV DVR Hard Drive Hard Failed Troubleshooting Guide for iDVR-PRO and iDVR-E Video Surveillance DVRsĬCTV Camera Pros created this page to show customers the steps taken when determining if a hard drive failure has occurred on iDVR-PRO surveillance DVRs. You are here: Home > iDVR-PRO DVR Support > How-to Determine if Your Hard Drive has Failed