How to record your PC for 24 hours & 365 days
How to use Bandicam as Computer Blackbox - PC Monitoring Software

What is the "Computer Blackbox" function?

Black boxes are usually used in airplanes and other vehicles to record activity before a crash. The purpose of the Computer Blackbox function of Bandicam is to record your PC screen and sound for 24 hours & 365 days. It can be good for PC Monitoring/Surveillance Software.

Some ways to use of Computer Blackbox

  • Most users: Record your full computer screen continuously from when Windows starts.
  • QA jobs: Easily find mistakes or defects of your products by recording your computer screen.
  • PC Monitoring, Surveillance: Check/Monitor if bank tellers, telemarketers, clerks, shop assistants, part-time workers are following the company's policy.
  • Trading system: Record your trading system of stocks, bonds, futures, options, or forex, which prices fluctuate almost every second.
  • Server/Network monitoring: Record the traffic screen of web servers, network servers, storage servers.
  • CCTV/Camera: Record the screen of closed-circuit television (CCTV) cameras for over 24 hours if it can be seen on your PC.

To use Bandicam as Computer Blackbox, please follow the steps below:

If you use the "Around mouse" recording mode and "Windows Task Scheduler", you can automatically record your computer screen when Windows starts without the recorder status bar. This function allows you to do PC Monitoring or Surveillance.

  1. Please click the [Advanced] button, and then check the "Start Bandicam minimized to tray"view and “Turn off tray balloon notifications” options.

    Start Bandicam minimized to tray, Turn off try balloon notifications

  2. If you want to create the video file every hour, choose "1 hour" at the recording time menu, and choose the "Start new recording" option as shown below.

    Computer Blackbox recorder, auto complete recording

  3. Select the "Around mouse" menu and click "Fullscreen" and close Bandicam.

    Hiding the Recorder Status bar, around mouse, fullscreen

  4. Please, follow the steps below to start recording automatically with Windows Task Scheduler

    • Type in "Task Scheduler" on Start, and click "Task Scheduler".

      Windows Task Scheduler, start

    • [General] tab : Click "Create Task...", type the name of task such as "Bandicam start recording" and check "Run with highest privileges".

      Schedule Recording, Windows task scheduler, General

    • [Triggers] tab : Select the "At log on" option.

      Schedule Recording, Windows task scheduler, recording time, Triggers

    • [Actions] tab : Click "Browse..." and select the executable file (C:\Program Files\Bandicam\bdcam.exe) and then enter "/record /nosplash" at Add arguments.

      Schedule Recording, Windows task scheduler, start recording - /record /nosplash parameters

      - Tip) The latest version of Bandicam (4.6.1 or higher version) is able to use "/record /nosplash" parameters.

    If you follow the instructions above exactly, you can automatically record your computer screen without the recorder status bar.

Essential Tips and FAQs for Computer Blackbox

  • Tip1) How to record dual/multiple monitors when Windows starts

    If you want to record the entire dual monitor when Windows starts, click the 'Select a recording area' option instead of the "Around mouse" menu, click on an empty area on the Windows desktopview, close Bandicam and then follow the steps above.

  • Tip2) How to automatically delete old video files

    If you record your computer for over 24 hours and 365 days, you may need to delete old files automatically due to the capacity limit of your hard disk. In this case, you can delete old movie files automatically by using 'Task Scheduler' and 'ForFiles' command of Windows.

  • Tip3) How to cut parts of video quickly while maintaining the quality of the original video

    If you have recorded your desktop screen for a long time, you may want to remove the unwanted part of the video.
    Please try Bandicut Video Cutter to save only the part of the video that you want without losing the original video quality.

  • Tip4) Best settings for Computer Blackbox

    How to reduce the file size

    1) AVI is better than the MP4 file type when Bandicam is abnormally terminated due to power outage or other reasons while recording.

    2) If you have a problem with hardware-accelerated video codecs such as H264 (Intel Quick Sync Video, NVIDIA NVENC or AMD VCE), try the H264 (CPU) video codec.

    3) To reduce the file size of the video, you may choose some options below:

    • Change the video size from "Full size" to "Half size" (Optional)
    • Change the FPS (Frames per second) value from "30" to "10" (Optional)
    • Select the "H264" video codec (Recommended)
    • Change the quality value from "80" to "10" (Optional)
    • Uncheck the "Record sound" option (Optional)

  • Tip5) Power & sleep settings

    power and sleep settings for screen recording

    If you record your computer for a long time, select the "Never" option in the "Power & sleep settings". Also, it's better to keep the monitor on.

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