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Incompatible? Flickering screen with GeForce GTX 750 in Win 8.1


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#1 Maya Blue

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Posted 10 August 2015 - 10:18 AM

Mod Edit: Moved to Internal Hardware ~~ boopme

Hi everyone!

First things first- this is what Im working with:


Microsoft Windows 8.1 Pro
AMD FX Series FX-6300 6x 3.50GHz So.AM3+
BIOS Version American Megatrends Inc. P1.60, 06.05.2014
2x 8GB (2x 4096MB) Crucial Ballistix Sport DDR3-1600 DIMM CL9-9-9-24 Dual Kit
2048MB KFA2 GeForce GTX 750 EX OC Aktiv PCIe 3.0 x16 1xDVI/1xHDMI/1xVGA (Retail)
1000GB Seagate Desktop HDD ST1000DM003 7.200U/min 64MB 3.5" (8.9cm) SATA 6Gb/s
Thermalright True Spirit 90 M Rev. A Tower Kühler
ASRock 980DE3/U3S3 AMD 760G So.AM3+ Dual Channel DDR3 ATX Retail
430 Watt be quiet! Pure Power L8 CM Modular 80+ Bronze


-->All updates installed, only one availale is WinX upgrade.
-->Currently only the basic NVIDIA graphics driver (350.12) installed, no HD Audio or Geforce Experience etc in an attempt to check for trouble there.

Its freshly put together and Ive been battling this problem since Installing the OS.
It's my first self built and I am the first to admit that my knowledge is limited.


Problem:
Screen flickering to black (it appears as though the time is displayed in the lower left screen corner for a very short flicker when the screen comes back- the way its seen when the charm bar is open or the start screen) for a half second.
This seems to increase when the PC has more to process, like youtube vids.
In netflix, flickers & triggers "press esc to exit fullscreen" afterwards, as if id just enetered the full screen mode.
After deinstall and reinstall of driver, problem only resurfaces after first reboot!

(In Windows 7, had also trouble with graphic but limited to Aero not working and Silverlight not being able to install correctly)

First question would be if theres a problem with compatibility that I was not aware of that could cause the graphic problems I am having?

I have tried/ checked:


--clean installs of the OS
-- different OS: Win 7 (Aero/ SIlverlight didnt work), Win 10 (nothing but a big pile of trouble)
--turned off Windows automatic Driver update
--According to HWMonitor, the temperatures and voltages appear to be within normal parametres.
--sfc scan shows no problems
-- HDD is without problem
--de-installed and reinstalled drivers, clean installs, DDU used
--booted in safe mode: problem doesn't show up
--after driver de-install seems to run okay as well, so pretty damn sure it has got to do with that
--tried roughly 10 different drivers to see if an older one was more stable, no luck
--latest driver 353.62 causes boot into black screen every single time
--screen is a ok, had it running with my laptop for weeks

...and probably other things I cant recall right now.
Im at the end of my rope and have no idea what else to try apart from reselling the gpu and getting another one.

ANY idea, lovelies? Anything I should try or report back on?

~Maya~

Edited by boopme, 10 August 2015 - 12:08 PM.


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#2 dc3

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Posted 10 August 2015 - 11:51 AM

That GPU requires at least a 500W PSU.  That 430W PSU could be your problem.

 

It also could be the graphics driver.  Or both.


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#3 Maya Blue

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Posted 10 August 2015 - 02:07 PM

When CPU is stress tested, the screen flickers more often. Which would point towards the psu being insufficient, yes?

Minimum for the card is 300 watt, though, its rather humble.



#4 dc3

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Posted 10 August 2015 - 02:47 PM

The manufacturer suggests the use of a PSU of at least 500W.


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#5 Maya Blue

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Posted 16 August 2015 - 02:34 AM

New PSU with 520 Watt solved the flickering problem! thank you!

 

(got new troubles now, with new instead of hand me down mobo, but alas)



#6 dc3

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Posted 16 August 2015 - 08:03 AM

Glad to hear that resolved your problem.

 

What kind of problem are you having with your new motherboard.


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