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Need some help narrowing down a bad part.

S

solaris389

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Joined
Dec 2, 2010
Messages
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Over the past couple of days I have noticed some bad behavior out of my computer. It first started with my GPU fan blowing full speed all of a sudden when watching a video in Firefox. The fan started at full blast as well when I shut the computer down and restarted it. Catalyst Control showed everything was normal at first, but manual control of the fan would not work.after a few restarts, Catalyst Control did not show the GPU working at all adn showed the GPU temp at -128C. The behavior continued until I removed the card, restarted the computer with integrated graphics, and reinstalled the GPU. It worked like normal for a few days but the fan started blowing full blast again yesterday. I could not get the fan speed back down this time and have removed the GPU and am using integrated graphics for the time being. I looked up information about that behavior it suggested it could be the PSU. I installed Asus AI Suite ll to record the voltage and temps yesterday. Since then, I have had multiple low voltage alerts and negative CPU temp alerts. I can get a different GPU to test out, but with what AI Suite is showing, I am looking more at the PSU or Motherboard. Any help narrowing it down between the two would be appreciated.

System Specs:
Windows 8.1 Pro 64-bit (fully patched)
Asus MAXIMUS V GENE Z77 (latest BIOS)
Intel Core i5-3570K
Corsair Vengeance 16GB DDR3 1866 MHz
Samsung 840 PRO (latest firmware)
WD Black 1TB
HIS Radeon 6970 reference cooler (Multiple drivers affected. Latest was 15.4 beta aka GTAV driver.)
 
Don't worry about what Asus AI Suite II is telling you, I've seen this behavior on my Z77 Sabertooth and chased the problem down to software conflict. I finally uninstalled it and used the AI Suite removal tool to get rid of it.

I had problems with fans and other settings on my Asus HD 7970 after updating. What worked for me is to reinstall CCC from original install disk and then only up date driver. Don't update CCC!
 
Just to give a bit more clarification, the fan goes to 100% as soon as I push the power button.

I can not install the original driver due to not having a disc drive in this machine. I can not find the disc also.

On a recent reinstall of Catalyst and newest driver, Catalyst is showing the hertz reading on memory and core, but not fan speed. The temp is reported as -128C also. I have a Corsair H80i installed and the Corsair link program shows the fan speed for the GPU in the 5000 range and also reports the temp as -128C.
 
solaris389 said:
Just to give a bit more clarification, the fan goes to 100% as soon as I push the power button.

I can not install the original driver due to not having a disc drive in this machine. I can not find the disc also.

On a recent reinstall of Catalyst and newest driver, Catalyst is showing the hertz reading on memory and core, but not fan speed. The temp is reported as -128C also. I have a Corsair H80i installed and the Corsair link program shows the fan speed for the GPU in the 5000 range and also reports the temp as -128C.
Click to expand...

Fans to 100% is not uncommon on start up and is likely a separate issue.

Older versions of CCC available for download at HIS support.

False Fan, Voltage and Temp. readings. This is a problem of multiple monitoring programs reading the same sensors, adding Corsair link only makes it worse.
 
Tom_S said:
Fans to 100% is not uncommon on start up and is likely a separate issue.

Older versions of CCC available for download at HIS support.

False Fan, Voltage and Temp. readings. This is a problem of multiple monitoring programs reading the same sensors, adding Corsair link only makes it worse.
Click to expand...

CCC and Corsair Link have worked together fine since I built the computer in May 2013. AI Suite was only added after I removed the GPU. The version of CCC I had when the problems started was 14.12 and Corsair Link has been the same for longer. I only updated CCC after the issue started.

The fans at 100% is the issue though. It would not slow down, manual or automatic, and are at 100% from the start.

I will try installing a fresh copy of Win8.1 tomorrow and see if that works.
 
I use HWMonitor, it seems to give the best readings.

Look here for info to help you with Corsair link issues.

http://forum.corsair.com/v3/showthread.php?t=118618

You may have a hardware issue but you should eliminate as many of the software issues as possible first.

Different versions of CCC use different .netFramework which means an MS update can screw thing up. For instance by disabling the .netFramework service that your version of CCC is looking for.

If your GPU fans are not slowing back down after start up that is more serious, but I would recommend that you clear up the software conflicts first
 
Thanks Tom_S, hope it is a software issue. After sleep and work, I am going to do a fresh install of Windows and see if that fixes any software issues.
 
Furthermore, you said you don't have a "Disk Drive" and don't have the original disk. I think you meant that you don't have an Optical Disk Drive, is this correct?

If so, you can download a free program called Folder2ISO which will convert anything you put into folder into an ISO Format File. Windows 8.1 will allow you to mount the ISO File as an Optical Disk, think of it as a Virtual CDROM Drive. That way you can download the files into a folder and create the .iso file and mount it and read it just as if it was on a DVD.
 
You can check/monitor your voltages in bios, if they are erratic or way out of tolerance it might indicate a PSU problem but that would not be conclusive. However if they are rock steady in tolerance then that would lead in a different direction.
 
It's also possible that it's just the thermistor on the motherboard yes? Or the fan?

For the motherboard to control fan speed the fan must be in working order, start small if you can and swap the fan out or at least look and see if the motherboard is reporting a reasonable fan speed for what the fan is actually doing.
 
My guess is that it's a software issue, try running Ubuntu off a LiveCD for a day or so and see if it acts up to rule that out.
//Danne
 
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The GPU fan may by default run at full speed for a few seconds after the system is powered up.

After that it should slow down to be very quiet until you are putting a decent load on it.

It sounds to me like something on the video card itself died (maybe the temp sensor) and since it doesn't know the temp it is cranking the fan up to full speed.
 
Update: Work got in the way of fixing the issue. Just to reiterate, the fan on the GPU (Radeon 6970) has been going full speed from the moment the power button is pressed. All software monitoring tools on the PC (Corsair Link, Catalyst Control) report a GPU temp of -128C. Tried reinstalling drivers, physically removing and reinstalling the GPU, and uninstalling any recently installed program in hopes that it was a software issue. Nothing worked. Here is what has been done since my last update.

Tried the GPU in the second PCI-E port. Fan still runs full blast.
Tried installing the driver that came with the GPU. Did not work.
Tried installing the newest beta driver (15.5). Nothing.
Tried using different ports on my modular PSU for the cables connecting the GPU. Did not work.
Tried different cables going from GPU to PSU, Nothing.
Tried uninstalling all motoring tools except Corsair Link. Still showed -128C for GPU temp.
Tried using different motoring tools to see if they reported anything different.(HWMonitor) Reported the same temps.
Tried playing an intensive game in the hopes the temperature change may cause the correct temp to be read on the GPU. Fans still going full blast and temperature still showing as -128C.
Tried re-flashing the motherboard BIOS to the latest version and setting all settings to default. No change.

Since I am off the next couple of days from work, I am going to do a fresh install of Windows 8.1 to remove any possibility of it being a software issue. If that does not work, I am going to assume it is a hardware issue and borrow a different GPU (Radeon 7970) and see if that acts like my current on does. Hopefully I will now what it is in the next few days.
 
I am almost 100% sure that the temp sensor on the card is dead. I would either deal with a 100% fan setting or get a new GPU (better idea).
 
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