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Think I might have messed up - Page 2

post #11 of 19
Hmm well if it worked fine before, then either the waterblock is not making good contact with the chip or something was damaged in the process. Youve tried reseating the waterblock?

Also, I would try asking around in the Nvidia section of this forum, those guys know their stuff about PCB damage etc.
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post #12 of 19
The assumption that there is nothing wrong with hardware simply because it works in safe mode is completely false.

The drivers access hardware on the card that default drivers never touch, and thus they expose existing flaws in hardware.
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post #13 of 19
Thread Starter 
Quote:
Originally Posted by matrices View Post
The assumption that there is nothing wrong with hardware simply because it works in safe mode is completely false.

The drivers access hardware on the card that default drivers never touch, and thus they expose existing flaws in hardware.
I agree with you but the thing that is confusing me is that its boots to windows and happily sits at the logon screen and will change the screen to log me on a different user, but as soon as I log on it crashes. What could the GPU be doing during the logon phase that it has not done to display the logon screen? Quite strange. I have added more thermal paste, reseated the block and will reconnect and try again tonight. I've also asked some over on the nVidia forum as well. Hopefully I dont need to buy a new GTX.
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post #14 of 19
Quote:
Originally Posted by birdy123 View Post
I agree with you but the thing that is confusing me is that its boots to windows and happily sits at the logon screen and will change the screen to log me on a different user, but as soon as I log on it crashes. What could the GPU be doing during the logon phase that it has not done to display the logon screen? Quite strange. I have added more thermal paste, reseated the block and will reconnect and try again tonight. I've also asked some over on the nVidia forum as well. Hopefully I dont need to buy a new GTX.
A lot of things, honestly. Just like playing Crysis or Metro will break "stable" overclocks by stressing or accessing parts of the video card that were previously not so stressed or accessed, different parts of a video card could be accessed while loading Windows (including Aero).

You didn't have any electrostatic shocks with the card, did you? I can't think of anything else other than that or physical damage so long as you didn't bump something else out of place while installing your loop (either end of the PSU 6-pin connectors, RAM, etc.)

The good news is that, assuming you've got the stock screws and such lying around, you can RMA the thing since there's no visible damage.
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post #15 of 19
Thread Starter 
I cant RMA unfortunately. I threw away all of the thermal pads that were covering the RAM and voltage regulators so an RMA they would know it has been opened. One of the things that is a pig with a water cooled system is that to test it I need to drain the loop to remove it. Even if I reconnect the stock heatsink and fan i need to drain the loop again
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post #16 of 19
Draining the loop can be a ***** depending on your setup. This is why I invested in two sets of Koolance's "no leak" quick-fit disconnects. Can take my video cards out of my system in 30 seconds.

But it shouldn't be that bad, just find the lowest point in the loop and disconnect that tube and pour into a bucket, and shake and tilt the case to get as much water out of the radiator, etc., as possible and into your bucket.
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post #17 of 19
Also, what "coolant" did you find near the RAM chip? Shouldn't run anything except distilled and silver coil, especially when you're just starting out and testing stuff. Turning the unit on with liquid on parts of it may have damaged it.

A few weeks ago I killed my motherboard because I spilled a couple drops of water on the onboard battery, and since it trickled underneath the battery, I never even saw it. System refused to even try to boot up after that.
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post #18 of 19
Thread Starter 
So it turns out the water cooled GTX470 was fine and working better than perfectly. The truth is altogether more insidious due to my laziness. The issue was actually with my data/program drive. I connected up an old graphics card to check the PCIe connection and the hard drive started clicking. I tried immediately to recover my pictures from Angkor Watt/Vietnam/Sydney/Japan/lots of other cool places, but to no avail. the hard drive is toast. To try and cheer myself up I ran a kombuster test on the GTX470 on stock (Zotac) speeds and the highest temp it reaches is 34 degrees. Not much consolationbut serves me right for being a tosser and not backing up my data.
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post #19 of 19
Thread Starter 
So some good news. I thought id give my old hard drive another try before throwing it in the bin and it stayed alive long enough for me to recover my pictures and movies from at the race track. Pretty stoked about it and was a great Xmas present. On top of this the water cooled 470 is also performing excellently. Thanks for everyones efforts to try and help me. Merry Christmas to you all.
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