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GeForce GTX 550 Ti stopped working

Last response: in Graphics & Displays
a b Î Nvidia
a b ) Power supply
September 2, 2012 5:11:49 PM

Did you install the latest drivers from and did you connect a 6-pin connector from your power supply unit directly to your graphics card?

More about : geforce gtx 550 stopped working

September 2, 2012 5:11:53 PM

i recently purchased the GeForce GTX 550 Ti graphics card and installed it into my system but when i try to play a game all i get is a back screen then it reapers and says that it stopped working but started working again.
this completely stops me from playing me games as it repeats this until my computer crashes
i cannot download the new drivers of the website as when i do my computer blue screens on me...

here are the specs:
Operating System
MS Windows 7 Home Premium 64-bit SP1
Intel Pentium E5700 @ 3.00GHz 30 °C
Wolfdale 45nm Technology
8.00 GB Dual-Channel DDR3 @ 399MHz (6-6-6-15)
BIOSTAR Group G41D3C (CPU 1) 28 °C
Generic Non-PnP Monitor (1280x1024@60Hz)
1536MB GeForce GTX 550 Ti (Undefined) 32 °C
Hard Drives
466GB Western Digital WDC WD5000AADS-00S9B0 ATA Device (SATA) 30 °C
Optical Drives
High Definition Audio Device
September 2, 2012 5:26:14 PM

i cannot download the latest drivers form the website as when they are installing my computer crashes and give me a blue screen and yes i did connect it directly to my graphics card
Related resources
a b Î Nvidia
a b ) Power supply
September 2, 2012 5:37:08 PM

What is your power supply unit (brand and model)?
September 2, 2012 5:44:15 PM

my PSU is a Core X stream and my model is: OCZ - CXS500W
i must add i purchased the graphics card, PSU and some new RAM all at the same time so they are all new if that helps
a b Î Nvidia
a b ) Power supply
September 2, 2012 5:49:27 PM

Could you list all of the power connectors that are connected to something from your power supply unit? You may have missed something :) .
September 2, 2012 5:57:41 PM

uhmm is there any way you could tell me what needs to be connected as i am not the one who connected everything up on the PSU

if it helps i have the ATX Case 450W 2720D Galaxy III case (disregard the PSU as that has been replaced)

2 x Sharkoon Case Fans

1 Sharkoon Silent Eagle 1000 Fan (120x120x25)

using a Startech 12 inch TX3 Fan Power Splitter Cable to connect the fans

sorry for the lack of information its the best i could do
September 2, 2012 6:02:28 PM

just rang the person that set it up this is what they said:
2 sata
one 4 pin for motherboard
one 24 pin for motherboard
one 6 pin pcie
a b Î Nvidia
a b ) Power supply
September 2, 2012 6:10:25 PM

Yes that's all that has to be connected. Could you open up the case and verify that all of them are connected?

Also, if everything is connected indeed, I'd suggest downloading memtest from and test your RAM with it. Make sure to wait for at least 4 passes.
September 2, 2012 6:17:39 PM

should the memtest be a iso?
a b Î Nvidia
a b ) Power supply
September 2, 2012 6:53:43 PM

yes, you need to burn its contents to a CD or USB flash drive and then boot from it.
September 2, 2012 7:10:53 PM

i kinda jumped the gun on you and tried my old ram and my computer worked perfectly
to make sure my ram was not loose, i put it back and got the same results
but thanks for the help along the way
a b Î Nvidia
a b ) Power supply
September 2, 2012 7:12:18 PM

I'm glad you found the issue. Make sure to contact the warranty for the new sticks.
a b Î Nvidia
a b ) Power supply
September 2, 2012 7:23:36 PM

i only add try looking at the ram guild your mb vendor posts for ram that been tested in the mb.
September 2, 2012 8:30:51 PM

wait so the ram could be a defect?
a b Î Nvidia
a b ) Power supply
September 2, 2012 8:34:23 PM

Didn't you find that out already? :lol:  If you don't think they are, just run memtest and you'll confirm/deny it.
September 2, 2012 8:38:28 PM

what would i look for on memtest to confirm it?
a b ) Power supply
September 2, 2012 8:53:15 PM

Look for no red, you'll know if it throws an error. :) 
a b Î Nvidia
a b ) Power supply
September 5, 2012 5:18:22 PM

No, it would not. Did you test your memory?
September 5, 2012 6:10:49 PM

i never got round to doing it as my pc worked after replace the ram