PC-type hard disk recorders to solve common problems

When using PC-style hard disk video recorders, it's common to encounter unexpected issues such as system crashes. For newer devices that usually operate smoothly, most of these crashes are caused by software becoming unresponsive. In such cases, you can force a shutdown. If the software is not responding, press and hold the Ctrl and Alt keys, then press the Del key. This will bring up the "Close Program" window. Use your mouse to select the program marked as "Not Responding," then click "End Task." If the crash is more severe and the "Close Program" window doesn't appear, or if a blue screen occurs, you'll need to restart the device by pressing the key combination or the reset button.
What causes the monitor display to jitter?
This issue is typically due to an incorrect display refresh rate setting. To fix this, go to "Display Properties," click on "Settings," and then select "Advanced." From there, choose "Monitor" and adjust the refresh rate to 75 Hz for smoother performance.
Why does the monitor show a screensaver or turn black after being on for a while?
This happens when the screensaver is not disabled or when power management settings are not properly configured. To resolve this, exit the monitoring system and return to the Windows interface. Right-click on the desktop, select "Properties," go to the "Screen Saver" tab, and choose "None" to disable it. Then click the "Power" button in the lower right corner. Under the power scheme, set "Turn off the monitor" and "System standby" to "Never." Finally, click "OK" to save the changes.
Why does the digital hard disk recorder show only the image without any buttons or the screen not filling the entire display?
This is usually due to an incorrect display resolution. Set the desktop resolution to 1024×768 and change the font size to "Large" for better visibility and proper display.
What should I do if the video cannot loop or gets stuck when full?
First, check the host computer's manual to ensure the recording mode is set to "Loop Recording" rather than "One Record." Additionally, this issue might be related to the tools used for hard disk partitioning. It's best to avoid third-party partitioning tools. For Windows 98, use the FDISK command, and for Windows 2000, use its built-in partitioning tool.
Why is there no operation button on the screen, just the image?
Adjust the desktop resolution to 1024×768, then go to "Advanced" settings and change the font size to "Large" for better visibility and layout.
What causes poor video playback quality?
Under normal compression settings, the video playback quality should be acceptable. However, if you notice a lot of pixelation, especially in moving images, it could be due to low camera brightness. Avoid adjusting the brightness on the recorder itself—instead, re-adjust the camera's brightness for better results. Pay special attention during installation to ensure proper lighting conditions.
Why is the monitored image unclear?
In the digital hard disk recorder's system settings, you can choose between "Standard Camera" or "High-Definition Camera" depending on the model and resolution of your connected cameras. You can also manually adjust brightness, color, contrast, and saturation to achieve the desired image quality.
Why does the image freeze?
This could be due to a faulty video card or poor contact with the PCI slot. Try restarting the system. If the problem persists frequently, consider replacing the video card. If it's not a common issue, it may be due to prolonged usage. You can schedule regular system restarts to reduce workload and free up memory. Alternatively, add a reset line to the system for automatic recovery in case of failure.

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