I got a EVGA GeForce GTX770 2GB (Part number: 02G-P4-2773-KR) to replace a GTX 570, and I'm facing what I call a weird issue after having installed it:
The computer restarts with no BSOD if the GPU remains idle for some time.
GPU clock is 135 MHZ, and voltage is 861 V. After some testing, the workaround I found to be working is to change "Power management mode" to "Prefer maximum performance" (instead "Adaptive") in NVidia Control Panel.
The second step is letting some application that uses the GPU (Blender, in my case) running in background.
That way, GPU clock gets stuck at 1045 MHZ, and voltage remains 1100 V, and PC works "normally" without restarting.
Under high load, I have no problems whatsoever.
I'm using default voltage and clock for everything (CPU, GPU, RAM, etc...)
Here's my setup:
Mainboard: GA-B75M-D3H (Gigabyte)
Windows 8.1 Pro with Media Center (x64)
CPU: Intel Core I7-2600 (@3.40 GHZ, no overclock)
RAM: G.SKill Ripjaws 16GB (2x8GB) DDR3 1333MHz (Part number: F3-10666CL9D-16GBXL)
PSU: C3 Tech PSH-750V (Brazilian company, specs below)
Google Tradutor
I'm using the 331.93 driver (Beta).
The current non-beta driver gives me the same issue.
I'm using the F15 BIOS (latest one as of now)
I've tested with Windows 8, and it performs the same way.
Windows 7 Ultimate (x64) doesn't seem to restart.
After having experienced hundreds of random restarts, bricked an OCZ Vector SSD, got bad clusters in a HDD, and spent days debugging that situation, I've found another fix:
Uninstall the processors in "Device Manager".
It took me days testing different things.
What I knew for sure was Windows 7 doesn't have this problem:
it works flawlessly and simply doesn't restart.
That made me believe it wasn't a PSU problem.
Back in Windows 8.1, I then disabled everything I could in Device Manager, and realized it wasn't restarting anymore.
After testing different combinations of devices, I've come to the conclusion my computer (with Windows 8.1 x64) only works normally with the GTX 770 when the processors are disabled in Device Manager.
An user in GEForce forums told me it has to do with CPU Power Saving features (EIST, C1E, etc):
Those features are in fact enabled in BIOS.
No advanced setting was changed in BIOS, like voltages, memory timings, etc.
My brother has the exact same problem, but with Gigabyte GA-X58A-UD3R (latest BIOS) and GTX 660.
A small note for his case is GTX 660 requires LESS power than GTX 570 (previous GPU), and GTX 570 doesn't cause any problems.
Is there anything we can do to fix it while still having CPU Power Saving features enabled?
I can provide any information you guys need about our BIOS settings in order to detect what is the root of our problems.
Best regards
The computer restarts with no BSOD if the GPU remains idle for some time.
GPU clock is 135 MHZ, and voltage is 861 V. After some testing, the workaround I found to be working is to change "Power management mode" to "Prefer maximum performance" (instead "Adaptive") in NVidia Control Panel.
The second step is letting some application that uses the GPU (Blender, in my case) running in background.
That way, GPU clock gets stuck at 1045 MHZ, and voltage remains 1100 V, and PC works "normally" without restarting.
Under high load, I have no problems whatsoever.
I'm using default voltage and clock for everything (CPU, GPU, RAM, etc...)
Here's my setup:
Mainboard: GA-B75M-D3H (Gigabyte)
Windows 8.1 Pro with Media Center (x64)
CPU: Intel Core I7-2600 (@3.40 GHZ, no overclock)
RAM: G.SKill Ripjaws 16GB (2x8GB) DDR3 1333MHz (Part number: F3-10666CL9D-16GBXL)
PSU: C3 Tech PSH-750V (Brazilian company, specs below)
Google Tradutor
I'm using the 331.93 driver (Beta).
The current non-beta driver gives me the same issue.
I'm using the F15 BIOS (latest one as of now)
I've tested with Windows 8, and it performs the same way.
Windows 7 Ultimate (x64) doesn't seem to restart.
After having experienced hundreds of random restarts, bricked an OCZ Vector SSD, got bad clusters in a HDD, and spent days debugging that situation, I've found another fix:
Uninstall the processors in "Device Manager".
It took me days testing different things.
What I knew for sure was Windows 7 doesn't have this problem:
it works flawlessly and simply doesn't restart.
That made me believe it wasn't a PSU problem.
Back in Windows 8.1, I then disabled everything I could in Device Manager, and realized it wasn't restarting anymore.
After testing different combinations of devices, I've come to the conclusion my computer (with Windows 8.1 x64) only works normally with the GTX 770 when the processors are disabled in Device Manager.
An user in GEForce forums told me it has to do with CPU Power Saving features (EIST, C1E, etc):
Those features are in fact enabled in BIOS.
No advanced setting was changed in BIOS, like voltages, memory timings, etc.
My brother has the exact same problem, but with Gigabyte GA-X58A-UD3R (latest BIOS) and GTX 660.
A small note for his case is GTX 660 requires LESS power than GTX 570 (previous GPU), and GTX 570 doesn't cause any problems.
Is there anything we can do to fix it while still having CPU Power Saving features enabled?
I can provide any information you guys need about our BIOS settings in order to detect what is the root of our problems.
Best regards
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