Effective Way To Service Targus Laptop Dual Fan Chill Mat
This is my Targus 17” Dual-Fan Laptop Chill Mat. It is about five years old and is starting to get dirty. The fans will occasionally start making a rattling sound. The sound will quit after I tap on the mat. So I’m going to clean it up and put some fresh grease in the fans and see if I can get a few more years of service out of them.
I normally don’t write an article about something this simple, but I can’t remember seeing another article on Laptop Chill Mats here on the Electronics Repair blog. So I decided to write one.
The Chill Mat had eight screws holding it together: four at the front, and four at the back. The felt covering was hiding the screws and I had to cut little slits to remove the screws at the back.
I cut the felt across the front to lift the top up and gain access. Then I could remove the fixture that retains the fans, then the fans.
It seems like most people just put a few drops of oil on these small brushless fans shafts. I’m going to use some white lithium grease and see how it works. The o-rings and nylon clip retainers look good.
** Side note: It turns out that I do have to redo the digitizer on the Samsung Tablet on my previous article. The tape that was on it seemed sticky enough to put the new tape on top of: that did not work. So I completely removed all of the tape and then re-taped it. After I placed the digitizer on the phone, made all the connections and replaced the back, I put the tablet into my press for a few hours. I will have to redo it again for a third time because the digitizer is a little loose in the corners. I may just use adhesive instead of tape next time.
Above is my CKK molding press made with ¼ inch plate steel. You can find out about them here. The heat resistant foam pads are 24 inches wide, 8 inches deep and 1 inch thick. It is heavy! I have different strengths of foam. I think the foam that I’m using now is the standard ones.
The fans were using some kind of green grease for lubrication. In the following photos you can see it all, as well as the white lithium grease on one fan.
Both fans are identical so there is not much point in showing photos of them both being serviced. Of course I would show both had I found another problem with one of them. But everything looked fine with both of them, except for the old grease and dry shafts.
Here are some photos of the fans being serviced and showing the parts.
I’ve been using the serviced chill mat for a few days now and the fans are still whisper quiet with no rattling, just like when they were brand new! The chill mat is once again keeping my laptop nice and cool!
I have saved my chill mat from the garbage and saved myself some money since I don’t have to buy new fans yet, or a new chill mat. All it cost me was a little time and grease.
There are better chill mats at Targus.com and elsewhere in the market that I could buy, but this one does the job just fine. And my laptop has 3 other USB ports available while the chill mat is plugged in, so this chill mat is adequate. I can’t ever remember using all 4 available USB ports at the same time anyway.
I hope you guys have enjoyed this article.
Robert Calk is a hobbyist from the USA who loves Electronics, Leatherworking, and Watchmaking.
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Please check out his previous repair article below: