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Lorex LHV210800 Fan Replacement

Jazlyn and 3 other contributors

Last updated on Jan 14, 2026

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10 - 15 minutes

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Introduction

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If your DVR is running louder than usual or overheating, a worn-out fan could be the main issue. This guide will walk you through the process of safely replacing the fan to not cause any long term damage to the rest of your device. Whether you're looking for an easier way to save money on replacements or like doing DIY projects, this step-by-step guide will help you complete the task with tools that you may have at home and technical experience.

What you need

Tools

1. Step 1 Upper Case
  Before beginning, disconnect the DVR from power and unplug all peripheries.
  
  Remove each of the two 1 cm screws on the right and left sides of the DVR with a Phillips screwdriver.
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2. Step 2
  Remove the four 1 cm Phillips screws on the rear panel.
  
  Do not unscrew the screw connected to the lower case.
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4. Step 3
  Lift up and remove the top cover.
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1. Step 4 Fan
  Unplug the red and white power cord from the socket.
  
  Unplug the back panel power source.
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2. Step 5
  Remove two of the 1 cm screws.
  
  Remove the back panel where the fan is located.
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3. Step 6
  Turn the panel around, and locate these two black studs connecting the fan and the panel together.
  
  Once you are able to get those loose using the pliers, the fan should pop out, making it easier to switch out the fan and check it for issues.
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Conclusion

To reassemble your device, follow the above steps in reverse order.
Take your e-waste to an R2 or e-Stewards certified recycler.
Repair didn’t go as planned? Try some basic troubleshooting or ask our Answers community for help.

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