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Fan Issue

post #1 of 6
11/27/05 at 5:23am
Thread Starter 
The main fans in my 8890 have been fine. I was one of the pre-orders, so I've had the machine for quite some time. With 3 cats and a dog, the computer gets fairly dirty and I pull it apart every 6 months or so and clean it.

After cleaning it last time, I noticed some buildup in the fan assembly. I tried to find a way to remove the fans, but didn't see anything. I ignored it because it wasn't a big deal, but now, the fans aren't working properly. They sound like they have resistance that keeps them from spinning.

If theres anyone who has solved this problem in a simple manner, let me know. : )
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post #2 of 6
11/28/05 at 2:17am
When you clean the fans do you remove the heat sink from the CPU and clean that too?
Just in case you are not aware if you do remove the heatsink to get to the fans you will need to clean then reapply some thermal paste between the CPU and heatsink (Artic Silver 5 recommended).
http://www.notebookforums.com/showthread.php?t=11362

Some missing pics from that thread:
Fan exhaust area near heatsink entrance


Fur curtain removed from heatsink:
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post #3 of 6
1/14/06 at 6:51pm
Thread Starter 
Absolutely. The heatsink is removed, and I use AS6 to redo the thermal paste. My issue is that buildup has occured on the fans themselves, and when it spins it makes a noise as if it is encountering resistance during rotation. I was hoping someone could give me the lowdown on a user-serviceable meathod on removing and cleaning the fans.
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post #4 of 6
1/15/06 at 12:25am
You may have to have a look at the service manual and pull the laptop apart in order to get to the fans themselves.
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post #5 of 6
1/15/06 at 7:22pm

Just take it apart

Quote:
Originally Posted by Draven
Absolutely. The heatsink is removed, and I use AS6 to redo the thermal paste. My issue is that buildup has occured on the fans themselves, and when it spins it makes a noise as if it is encountering resistance during rotation. I was hoping someone could give me the lowdown on a user-serviceable meathod on removing and cleaning the fans.
Well Draven, I can tell you there seems to be no shorecut here. Try to postpone the action; it is going to be a lot of work because you will have to take the whole machine apart. I did. Be careful and neat and make sure you remember the sequence and you will be able to dismount the fans, clean them and re-assemble your machine.

Anyway, good luck!
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post #6 of 6
1/28/06 at 5:35pm
Well, did you take your machine apart?
If you have a real fan problem your machine will give you a warning by blinking the green lights next to the power key whenever the machine is on. I was haveing a fan problem too, in that one of my fans wouldn't run at all. Then I got the blinky lights. I stripped my machine down and ordered a new fan unit, installed it and it still was screwed up. I ended up sending it in for a new MoBo and have had trouble free operations since.
But, I do have a fan unit sitting around, so if you continue to have problems and you can say that a new fan unit is needed for certain, I will send you my unit for half of what Sager wants for it plus mailing. As I recall it was around $50 from Sager, but check it out I may be wrong.
If you want a new unit for half price get in touch.
Oh and get the manual on line here before you attempt to replace the fan, it's not all that difficult as long as you keep track of the process. It is a time consumer though, because you will be completely disassembling the computer. Remember DON'T OVERTORQUE the screws.
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