MBA to VGA - Fan Problems

Hi everyone, I have a MBA 2.13 128GB SSD. When using the MBA regularly, the fans run at about 2100-2500rpms. When I connect it to my tv through a VGA cable though, the MBA fan runs continuously at 6000rpms. Does anyone have any advice as to why its doing this? Thank you very much in advance

I think it's just a matter of compensating for driving the larger monitor. Definitely puts more work on the GeForce in your MBA. I have the same issue when connecting a 24" DVI monitor on my MBA -- same model as yours. But on my MBP, no problem at all with fan speed.
It is kind of annoying because I use the MBA in my office, and even when connected to my smaller 19" monitor there, it just spins at 6000 rpm for most of the day.

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Need tech help for MSI VGA Fan controller for gtx 780 SLI

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I have the same problem.
On GTX 780 Lightning, Afterburner will control both cards 90mm fans. Afterburner will not control the middle fan (fan 2).
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Battery icon has an "x" over it and I need to have my laptop plugged in to be on. I've ordered a new battery to install, but I was wondering if it's possible that something else might be causing the fan to be on over drive constantly. I've tried resenting the SMC and the PRAM, but nothing has stopped the fans from running at higher than normal speeds.

If you've updated to Mavericks, you'll either need to use the original install DVD containing the AHT, or download the right one from Apple's servers, then replace the hidden /System/Library/CoreServices.diagnostics folder.
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Heatsinks don't need to be changed. They need to be cleaned, which you've done.
It's not clear from your post, if your fan problems persisted after you cleaned it. If they have, sounds like the fan is failing to me.
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Toshiba engineers tell me the vga/pcb is corrupt and needs to be replaced but since this is built-in the whole mother board must be replaced.
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Edited by: ADMIN

To me this clearly sounds like the problem that stroke me last weekend - obviously the NVidia GPU died and causes the trouble. Check if your machine is still under warranty - if not i would claim goodwill.
If the repair-costs are too high for you i would sell it on Ebay and get another machine as the technology level is two years (which is a century in computer-business) and you can get better performance at a lower price-point - even if it hurts to let the G30 go.
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Please identify your notebook/pc .
Look at the base/rear/side of the notebook/pc at the barcoded sticker.
Post items numbered 1 and 2 on the following image. Your barcode may be slightly different but will still have the important imformation needed for us to help you.
###Do not post the serial number as it is personal information.###
Post the installed operating system version ( and whether it is 32 or 64-bit ) and whether the CPU is an AMD or Intel product
Not posting all of the information as requested will delay our responses and slow troubleshooting of the issue that led you to author a thread.
Best regards,
erico
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IMac 27" (mid 2010): Will replacing the HD cause fan problems?

Hi,
I have an iMac 27" (mid 2010). My HD is broken, and I'd like to replace it. I've already installed an SSD, so replacing the HD shouldn't be much of a problem.
However I've read that replacing the HD causes the fan to spin up all the time. Some sites say this started one generation later, but some remain unspecific or say that this problem affects all iMacs. Before I replace my HD, I'd like to know what to expect.
So my question is: in my 2010 iMac, can I replace the HD without causing fan problems (provided I put the temp plug in the right place )?
Best regards,
F

OWC is mistaken. I don't know why they keep saying that. (I'm not even certain the OWC blog linked above related to using the same make drive on the late 2009s was ever correct. I had a long phone conversation with an upper level WD tech some time ago who said that the originals were special ordered by Apple.) Those drives have Apple proprietary firmware which puts the temp sensor output to the jumper block, and you cannot just replace with a drive of the same manufacturer. A non-Apple WD drive will not have that connection at the jumper block.
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http://exirion.net/ssdfanctrl/
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Has anyone actually returned their Macbook for the fans coming on and off (or "mooing")? If so, did you get a moo-free MB?
The mooing isn't too bad - and I have hope that software could fix it; but if there are Macbooks that don't moo, man, I would like one. However, no point in going thru the process if there is no possibility of getting a moo-free MB.
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There definitely ARE some that do not moo. Or if they do, they do it much softer. Last night I had a white one that, every 10 seconds, would moo. It was horrible. Even with my TV on, I could still hear that fan revv up and then revv right back down, then 10 seconds later the process would repeat itself. I certainly couldn't live with that. I'm a student and would surely be kicked out of class with a laptop that sounded like a zoo, lol.
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MOVED: [Other 865 Series] mainboard fan problem

This topic has been moved to Mega PC series.
[Other 865 Series] mainboard fan problem

thanks, I'll try it
Quote from: otrofox on 01-June-05, 05:31:44
Have a look to this thread and give it a try.
Take care with temps. After unplugging the sys fan, check your temps immediately and for a long time. Make some tests to ensure this fan is not needed in your Mega.
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If you just bought it and it's only a few months old then it should be covered for a replacement. You shouldn't be forced to buy a new one, HP should give you one to make it right.
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Hi,
sorry if this is the wrong forum.
We have a T5220 in the office, yesterday this message appeared
"Jan 30 12:34:06 T5220 SC Alert: [ID 118048 daemon.alert] IPMI | critical: ID = fc14 : 01/30/2009 : 12:33:06 : Fan : /FB0/FM0/F0/TACH : Lower Non-recoverable going low : reading 1600 < threshold 2400 RPM"
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Thanks,
Paul

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After a few looks on google it seems lots of people experience this problem with different reasons for it. I first thought it was the system fan as it did seem very hot but the fan hadn't kicked in. I tested the fan but I got a reading of 0rpm. SO I then ran the Hardware test and got the following error message:
4MOT/1/40000002 :Exhaust
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Thanks

smorg99 wrote:
Would it deffo be the logic board then?
deffo?
I have no idea if it is the logic board or not. I know that Macbooks do not have many serviceable parts. To get to that fan may be a major undertaking. Typically, they want to get the unit repaired and back to the customer as soon as possible. They will swap out what they can do the fastest and diagnose and fix the actual broken part on their own time (or just toss it in the trash). But, of couse, I am just guessing.
How long would it take to replace this?!?
I have no idea.
Can't believe it - I love this notebook!!!
It is not as if you have many options. It will be a paperweight soon. They are machines and all machines break eventually. Either you have the misfortune to have one that isn't perfect or the good luck to have it break while the warranty is valid.

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Hi
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Hi,
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I made an account just to let you know! This issue took me a good week or two to narrow down.

Dualcore center vga fan indicates fan not running (edited)

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Quote from: vainqueur on 06-September-07, 08:55:37
Haha. Rivatuner can ar, i installed that few days ago without knowing what it is used for...
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Hi
Please find the link given below might help you to fix your issue. In case issue does not get resolved you might have to get the unit repaired.
System Fan (90b) error message on startup
Let us know how it goes!
"I work for HP."
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Manjunath

MBA to VGA - Fan Problems

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