MulFan 4cm CeraDyna Fan 404010mm FD0540-A2212A FD0540-A3212A 5V 2Wire DaHua DVR Cooling Fan

this video will show you how to replace a cooling fan in your DVR when you receive the replacement fan it may come either in the square bracket or by itself either way we are not going to remove the bracket from motherboard just the fan itself to remove the fan from the bracket simply loosen this three screws and remove the fan carefully unplug the wire from the motherboard and replace the old fan with the new one tightening the screws to hold it in place plug in the new fan to the motherboard and it's ready to go if you liked this video please be sure to like this video on YouTube subscribe to our YouTube video channel and also like us on Facebook thank you for watching