QUOTE(Balerion @ Jun 2 2010, 05:56 PM)
» Click to show Spoiler - click again to hide... «
Hello,
New to the forum, but I saw how much discussion the K50AB was getting -- this seems to be one of the few places on the Internet where people are actively discussing it.
It's a fantastic notebook computer, and I'm largely very happy with it. I've had mine for a year ... but this year, I've started to run into overheating problems. I see a lot of people have discussed the issue with the fan never budging past a certain speed.
Some questions, if anyone could answer them:
1) I'm guessing I'm having heating problems because, in a year of near-constant use (12+ hours a day, every day), dust has built up. What is the best way to clean it that does not break warranty? I know you can use compressed air, but I have heard that if the fan is not kept still you can damage or break it.
2) I see references in a number of posts to "the fan bug", but I can't find an explanation. What is it, and is it something that can help deal with high temperatures?
3) What _is_ a reasonable operating temperature for the notebook under gaming conditions? NSProbe says 90C is "Fatal", but I have seen many people suggest that the maximum safe operating temperature is 100C. Would running at 90C for extended periods be a bad idea?
4) I know there's a hardware hack for locking the fan to maximum RPM, but this is overkill for me -- I'd just like the fan to act as it should, and ramp up as and when needed. Has anyone figured out a good solution for this yet?
I know Speedfan cannot monitor fan speeds. Has anyone tried HWMonitor? Or does anyone know what sort of information is needed to get these programs to recognize and start controlling the fans? That would be my ideal solution: software to mitigate ASUS's failure to get the fan to run at fullspeed, rather than having to hack hardware or do anything that might void warranty.
Thanks very much for your time and assistance!

1) Solution is simple, open the back cover, and before you use the compressed air just hold the fan with your finger to prevent it from spinning, if that makes worries you. IMO the fan meant to spin. Opening up the heatsink fan WILL void the warranty, maybe you could send it to computer shops or ASUS Royal Club to have it clean
2) You ask the people who uses it, I don't so I cant tell you how to do it. I think it have something to do with going to sleep mode
3) You could find reasonable operating temperature on first page, read thoroughly, most information could be found there.
4) The direct or resistor mod from USB power is the easiest way to speed up the fan, HWMonitor only monitor temperature, SpeedFan can't control the speed in K40/K50, maybe you could e-mail the SpeedFan author to include this laptop on their program. The direct power/resistor mod from USB don't void the warranty unless you physically solder it into place
This post has been edited by Najmods: Jun 3 2010, 11:27 AM