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vargadenisz

Gpu dead after a wire came loose

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Posted · Original PosterOP

The long story short (r9 290x reference)

I replaced the stock cooler with my old directcu ii from a r9 280x after sanding down the parts where it needed.

I had to lenghten the wires so it can reach the card's fan terminal.

For the first try the card started,fan started,everything was working, i was like hell yeah, even temps were around 50C degree

I tried some load on the card when a cable came loose from the lenghtened fancable and something in my pc made a quiet pop and it shut down.

Pc boots and everything seems to be working exept the card.

I did fix the cables and rechecked every cable and soldering but the card doesn't turn on only the fan.

No signal and it doesn't heat up anymore.

I checked the caps and saw nothing out of ordinary

tomorrow check the card in an other pc

I would like to know what parts should i check or any advice getting it working again

MVIMG_20190620_210025.jpg

MVIMG_20190620_210012.jpg

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Hi, do you know where the fixed wires were running when the incident happened? Look for things like small burn marks or other type of damage in those regions (it can also have affected a PCB trace for example, not only a surface-mounted component).

For future reference, if you solder cables again, I would recommend covering all exposed parts of the wires with heat shrink to make sure everything is isolated.

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Sounds like you let the magic smoke out of one of the components. Unfortunately, once that is done it is difficult to get the smoke back in.

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Posted · Original PosterOP
4 minutes ago, greenhorn said:

Hi, do you know where the fixed wires were running when the incident happened? Look for things like small burn marks or other type of damage in those regions (it can also have affected a PCB trace for example, not only a surface-mounted component).

For future reference, if you solder cables again, I would recommend covering all exposed parts of the wires with heat shrink to make sure everything is isolated.

The wire was there, the blue one l.

Wires were taped with electrical tape but it fell of from the blue one,

Now i removed from all tape so i can see the connections better

I sent pictures of the area but i cannot see any burn marks

15610546478753483348045848797972.jpg

15610547915597206847171804498414.jpg

15610548237441443840459494466680.jpg

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Posted · Original PosterOP
4 minutes ago, Gorgon said:

Sounds like you let the magic smoke out of one of the components. Unfortunately, once that is done it is difficult to get the smoke back in.

I did not smell anything tho

The thing you said could be true but i don't want to give up so easily

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3 minutes ago, vargadenisz said:

The wire was there, the blue one l.

Wires were taped with electrical tape but it fell of from the blue one,

Now i removed from all tape so i can see the connections better

I sent pictures of the area but i cannot see any burn marks

[...]

Electrical tape can be unreliable, especially the cheaper kind.

It could very well be that this incident damaged parts of the PCB and not a specific component. Since those PCBs tend to be quite complex (multi-layered), I don't think it can be fixed, but maybe someone else here has an idea.

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Posted · Original PosterOP
3 minutes ago, greenhorn said:

Electrical tape can be unreliable, especially the cheaper kind.

It could very well be that this incident damaged parts of the PCB and not a specific component. Since those PCBs tend to be quite complex (multi-layered), I don't think it can be fixed, but maybe someone else here has an idea.

Thank you for your time

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Posted · Original PosterOP
12 minutes ago, vargadenisz said:

Thank you for your time

But if the PCB is broken then the fan wouldnt start either? Because it's plugged in into the PCB

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28 minutes ago, vargadenisz said:

The wire was there, the blue one l.

Wires were taped with electrical tape but it fell of from the blue one,

Now i removed from all tape so i can see the connections better

I sent pictures of the area but i cannot see any burn marks

15610546478753483348045848797972.jpg

15610547915597206847171804498414.jpg

15610548237441443840459494466680.jpg

A guess would be the exposed connection from the blue wire (Likely the PWM line) touched the MT214 pad underneath it. Without a schematic it would be difficult to fix and then would likely require a hot air rework station.

 

Your best bet is likely to donate the board to BuildZoid for spare parts.

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41 minutes ago, vargadenisz said:

The wire was there, the blue one l.

Wires were taped with electrical tape but it fell of from the blue one,

Now i removed from all tape so i can see the connections better

I sent pictures of the area but i cannot see any burn marks

Those MT214s look scorched. If they are, something came in contact with them that shouldn't have. I'm also kind of curious as to why you'd have open splices like that sealed with electrical tape instead of soldering and heatshrinking them.

 

My feeling is that this is an ex-card.


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Posted · Original PosterOP
39 minutes ago, aisle9 said:

Those MT214s look scorched. If they are, something came in contact with them that shouldn't have. I'm also kind of curious as to why you'd have open splices like that sealed with electrical tape instead of soldering and heatshrinking them.

 

My feeling is that this is an ex-card.

I did solder and tape the wires but as it turns out the solder and the tape did not held much

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Posted · Original PosterOP
51 minutes ago, aisle9 said:

Those MT214s look scorched. If they are, something came in contact with them that shouldn't have. I'm also kind of curious as to why you'd have open splices like that sealed with electrical tape instead of soldering and heatshrinking them.

 

My feeling is that this is an ex-card.

A better angle and photo of those MT214,

An ex-card means its dead for good?

15610606406885078561755460808037.jpg

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1 hour ago, vargadenisz said:

A better angle and photo of those MT214,

An ex-card means its dead for good?

 

If it doesn't work in the other PC, I'd think it's done for, yeah. 


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Senketsu - Ryzen 5 1600 - MSI GTX 1050 Ti LP - Gigabyte B450 AORUS M - 16GB Corsair DDR4-3466 RGB - 256GB ADATA XPG SX6000 Pro - Silverstone SF450 - ABS R206-ITX (worst case ever) - Arctic Alpine AM4

 

Banzai - i7-6700T - Dell OEM GT 730 2GB DDR3 - Gigabyte GA-B150N Phoenix - 16GB HyperX Fury DDR4-2400 - 240GB Crucial M500 - Seasonic 300W Server PSU - HP Slimline s3200n chassis - Rosewill RCX-775-LP

 

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