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  #1  
Old 04-02-12, 09:28
pantah pantah is offline
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Default fan on laptop

Hi all,

My son dreamed of a laptop and I got one for free from a friend of mine, an Asus a6r. However, there are a few problems on it and one of them is that the lcd-screen drops out, sometimes after a few seconds from starting up the system and sometimes it just keeps working. That's probably a cable-problem but what worries me is that the fan also grinds to a halt after a few seconds after the start-up button is applied and doesn't seem to restart after a while. My question is: does the fan on a laptop is supposed to be working continuously or does it only kick in when the cpu gets too hot? I have absolutely no experience with laptops (only desktops in this house so far) so forgive me this probably stupid question. From what I know this far about computers, a cpu should be cooled at all times. Correct me if I'm wrong... so I ask the experts here: does this issue need checking before I concentrate on the screen problem? And if so, what cn I check? Thanks for your support.
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Old 04-02-12, 11:25
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Default Re: fan on laptop

Yes, the fan should run constantly, but at varied speeds.
Fixing the monitor, first. is OK, if you don't need to run the PC long. (It will shutdown at too high a temp)
Myself I would take care of the fan first.
Here is a video of a dis-assembly of that series laptop. There are probably better non-video ones out there, but I didn't dig that deep. Looks like a pretty good sized tear down. I can get to the fan on my Toshiba, by just popping the keyboard.

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Old 04-02-12, 12:49
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Default Re: fan on laptop

Thanks Gloozit. I had allready discovered that video and some others and they're a great help. I have no trouble dis- and reassembling desktops but laptops are kinda new to me, but that's where the challenge is
I think I will connect an external screen and then install pc-wizard to check how the cpu-temperature evolves. This will also give me the change to check all settings in BIOS allthough I think these haven't been changed. The former owner of the laptop was a complete nitwit so I don't even think he had any idea how to get to the BIOS-platform
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Old 04-03-12, 17:41
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Default Re: fan on laptop

If you would like to check your fan for functionality run this program.

http://majorgeeks.com/IntelBurnTest_d5987.html

While running that program listen or watch your fan,it should speed up to its maximum speed after a few minutes.

You can also monitor your CPU temperature with this program.

http://majorgeeks.com/SpeedFan_d337.html

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Old 04-04-12, 05:18
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Default Re: fan on laptop

Great Rikky, I'll try that out and will let you know
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Old 04-06-12, 05:13
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Default Re: fan on laptop

Didn't get a chance yet to run those tests as the battery ran down when trying and I'm still waiting to get the power adapter. Hope it didn't get lost or anything but my son comes over tonight and he's got an Asus laptop so I can borrow his adapter to get mine goin again.
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Old 04-09-12, 08:17
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Default Re: fan on laptop

I managed to istall the speedfan-application and cpu reaches around 50C which appears to be normal (Intel Celeron). I could not complete the IntelBurnTest however due to error 0xc0000135 which would mean I have to install .NET? When trying to do so, battery ran flat again so it's another wait till my son comes round again. Thanks for your help sofar!
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Old 04-09-12, 09:53
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Default Re: fan on laptop

Try this,choose just stress testing and small FTP.

http://majorgeeks.com/Prime95_d4363.html

Or

http://www.microsoft.com/download/en...ylang=en&id=19
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