She's burning up :( Burnt my finger

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OnionHead

OnionHead

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Jan 28, 2014
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I guess it's a bad sign when you actually burn your finger on the heat sink :(

Here's some spec's :

MSI FM2-A75IA-E53
AMD A10 5800
Noctua NH-L9a
Crucial BLT4G3D1869DT2TXOBCEU 4GB Ballistix Smart Tracer Memory
Lian Li PC-Q03

When I first put the machine together I had problems with it wanting to cook itself when it was in the bios, strange. After much reading on the MSI boards I just gave up and didn't go back into the bios unless absolutely necessary. And the little machine ran perfectly for a few months.

So today I decided to put another stick of ram in (The match of the above to make it 8GB), and was having problems with the computer posting, after much head scratching I discovered my 2 year old had jammed a couple of credit cards into the DVD drive and this was the posting problem.

Anyway upon boot up the machine hinted that the ram had changed and I should enter the bios, I did and the thing was basically glowing in no time at all, I reached in to touch the heatsink and it burnt my finger, the wife thought I got an electric shock as I let a squeal out of me.

Here's a screen shot of current temp's, I can't make head nor tale of them. This is with the PSU slid out and side panel off.

Untitled_zps66c3ad76.jpg


Sorry to ramble on but I've a few questions.

Have you any idea why the PC wants to cook itself when in the bios?
Is it time to admit that the little Lian li is not up to the job, is it maybe too tight in there? (I'm going to be adding a video card soon) I love the Lian li case as it's so neat and small, but I feel it's time is up as the airflow is just not good enough :(

 
Solution
hunter315
Your definition of hot and a computer's definition of hot are very different. You will burn your self in about 5 seconds on a 45C surface, but your computer is fine with that, your heatsink should be in about equilibrium with your CPU so it will likely be close to your CPU temps.

77C is a bit warm for an A10, i'd make sure you have everything done up right and screwed down tight. One problem you may face is that the NH-L9a just isn't a great cooler. Frostytech tested the Intel version, it showed 30.8C difference with a 150W load and high fan speed so that puts it only slightly better than the old pentium D stock cooler. You will be showing about 14C higher temps than anyone running that same chip on a Hyper 212 Evo(common so it is...
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clutchc

clutchc

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yes, 77C is a bit too warm for the A10 APU. The culprit is no doubt the tiny case and poor air flow. 74C is AMD's recommended max temp. I would leave the case open if possible when gaming. http://www.cpu-world.com/CPUs/Bulldozer/AMD-A10-Series%20A10-5800K.html
Or find an aftermarket cooler to replace the stock cooler.

I tried to do a HTPC build with that processor and the Cooler Master Elite 120 case and ran into temp problems too.
 
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hunter315

hunter315

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Your definition of hot and a computer's definition of hot are very different. You will burn your self in about 5 seconds on a 45C surface, but your computer is fine with that, your heatsink should be in about equilibrium with your CPU so it will likely be close to your CPU temps.

77C is a bit warm for an A10, i'd make sure you have everything done up right and screwed down tight. One problem you may face is that the NH-L9a just isn't a great cooler. Frostytech tested the Intel version, it showed 30.8C difference with a 150W load and high fan speed so that puts it only slightly better than the old pentium D stock cooler. You will be showing about 14C higher temps than anyone running that same chip on a Hyper 212 Evo(common so it is a good reference).
http://www.frostytech.com/articleview.cfm?articleid=2730&page=4

I'd suggest you look into undervolting your chip to drop power consumption and heat output
 
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Damn_Rookie

Damn_Rookie

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Good point about the NH-L9a. It's not a bad cooler or anything, but it's only meant to be used on CPUs up to 65W, while the A10 5800K in use is a 100W processor.

Also, if the reading is correct, why is the heatsink fan spinning so slowly (~1000 rpm)? It's got a max speed of ~2500 rpm (~1800 rpm with the low noise adapter). Odd.
 
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OnionHead

OnionHead

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I should have pointed out that the bios temp was reading 91c lol, Just thought I'd drop that minor detail in there :) When I got into windows it obviously kept rebooting.

I thought at first it was something to do with adding the extra ram and it being faulty etc. I think that bios is flawed though, when you enter it the temp climbs pretty quickly.

If think I know now that if I want to add a video card then I'm looking at a new case and possibly a new cooler (And they're only months old). It's finding a case now that looks as good and cools well.

Thank you for the replies btw. I checked MSI live update, according to that I'm running the latest bios
 
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OnionHead

OnionHead

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I'm not actually sure. Stupid question but how can I check? I'll check the live update later. I can use click bios in windows without it burning up, so hopefully I can update the bios through that method.

I could strip the machine down and build from scratch also, I'm almost certain I've the cooler mounted perfectly, I took plenty of time to make sure I got it right.

Even though there's more than likely a fault lurking or wrong setting/faulty board or whatever it may be, I'm probably going to need a better air flowed case and better cooler (I should have known this at the time of ordering). The kids play minecraft so as a gaming rig the little case is probably never going to do, especially when I add the extra video card
 
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clutchc

clutchc

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OnionHead

OnionHead

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Thanks again for the replies :) Yeah it was a close call between the Lian li and BitFenix Prodigy from the start, guess I choose wrong. The Lian li is such a simple and sleek design, pitty :(. Then the choice of cooler was to suit the case as it's low profile. Ahh well
 
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CPU Fan

CPU Fan

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Here's a couple silly questions. 1- Did you apply thermal paste between your heat sink and the CPU? 2- If your heat sink has heat pipes, make sure they (the tips) aren't in contact with anything, causing the HS to not make full contact with the CPU.

Another silly question...Do you have the fan for your CPU HS plugged into the CPU fan header or a sys fan header?

The CPU will run at full speed in the bios and you should hear all of your fans really working hard while in bios. If they aren't, then I would definitely check fan connections and bios update.
 
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Natos

Natos

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3 Questions:
1. Are you on the latest BIOS?
2. Does the heat persist for the whole time your machine is on?
3. Have you tried repapplying the thermal paste on your CPU and Chipset heatsinks?

If you don't have thermal paste, newegg sells the stuff so little you'll probably pay more for shipping.

Also, according to cpu-world.com, your CPU is rated at 74C. If I am not mistaken, AMD has a built-in auto shutoff that activates when the CPU overheats. If the CPU was at 77C, it should have shut itself off. If it didn't, there might be something wrong with your CPU itself(worst case scenario, you need a new CPU or Motherboard. Or even worse, you need both your CPU and RAM replaced. That's REALLY unlikely).

Are you overclocking? If so, the easy solution is to return to stock clock and let it be.
 
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OnionHead

OnionHead

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Thanks for the replies. I've checked the above. It's kind of bizarre in the fact that she goes into meltdown in the bios :) The case is tiny, I should have known it was never up to the job especially when I add the extra video card.

I doubt anyone has dared to fit water cooling to the tiny Lian li, but would the likes of the Cooler Master Seidon 120V be a waste of time? I'm looking now at either the bitfenix phenom mini-itx or prodigy

Edit: In fact scrub that idea :( Unless I start going about mounting the rad etc to the exterior then this is a no go. New case it is (And suitable cooler), might possibly go with one of the compact water coolers in the new case. I'll let you all know how I get on. I appreciate you guys taking the time to reply to the thread, best regards
 
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