EVGA GTX 970 SC Repair - Not detected
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- čas přidán 14. 03. 2021
- I no longer accept electronics for repair. If you are looking for technicians to fix your electronics or repair advice, consider the newly opened GraFix Repair Discord below.
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Datasheets
GS7103 - doc.xdevs.com/doc/_Datasheets... - Věda a technologie
Ever since Eli tech stopped doing videos, I've had a need for gpu repair vids. You are a king man
"it's too simple for a youtube video"
no, it is not. i'd watch even shorter one. just record more, you're insane. nice job
definitely valuable, none of this stuff is "too simple" , keep them videos coming everything is massively appreciated.
Upload every little repair video... these are golden nuggets. Thanks for your good work! Keep it up!
Great! It's amazing how simple things seems to be when done by you
I'm taking notes with every video man, thanks for these videos.
Awesome video. You are the GPU LIFESAVER 😀😎
I don't care what repair you do I always enjoy watching your videos. Put them all up regardless of repair.
Definitely put even what seems like "easy" repair on youtube, we still have a lot to learn from you even if it's a simple fix for you :)
you are the best. I had exactly same issue and replacing GS7103 resolved the issue. Thank you tons!!!
I have want to learn new things everyday and I like your videos a lot
nice repair, learning new repair solution from your videos, ty
good job! i was about to listen to music during my repair and then i saw new video. I stoped everything to watch it ahah
perfect tutorial on how to do basic diagnosis on a broken card. very important vid.
Thank's !!! I've had 2 evga 970s for 3 years, maybe with your help I can restore one. I won't buy cards without fuses again.
Your content is great! What ist your rate of gpus you cant fix? And what do you think about also uploading those videos?
Probably best video tutorials on youtube for repairing GPU-s....
ha, i had EXACTLY same issue, just ordered voltage regulator, thanks mate!
Someone gave me this same card with the same problem. I’m going to go through the troubleshooting steps. Thanks. I think I’ll learn a lot.
Look at that GPU all cleaned up
Thank you for the video.
btw what does the pex rail power?
Thanks for the Spanish subtitles! 😃🙌👏👏
how did you learn all this? i'm really interested in this and have been practicing for a couple of months now.
Thank you for your effort and technics. By your check i checked with 12v rail i found 1R0 inductor got signal while grounded node. so what can cause and already R005 Shunt resistor was blown. Simply replacing those will sic the issue or what can be cause. Please reply if you see this
Hey, thanks for the incredible vids. I need a little help with a FE 1080ti. On the back, there is a couple of MOSFETs, Q503, Q504. Q504 blew up, so I removed it and there is a lost track for the base pin, but I can still get picture out of it with this MOSFET missing. Do you think it is possible to use a card like this? Or could you help me locate a pin connected to the base of this blown MOSFET, so I could attach it from somewhere else.
🐨 Glad you posted what may seem to most an easy fix but to noobs, Is in fact a steep learning curve made a damn sight flatter thanks to your videos,
I was gonna say APU I dropped a like, But I only subbed today and this is your third video I watched and gave them a 👍
Thank You..
Great video, btw can you help me, im trying to fix my dead amd rx470, problem is the 1.5v present than suddenly drop to 0v after 1 second after turn on, the 0.9v also drop to 0v same as the 1.5v
Hi bro
First of all your video is very interesting and i enjoying it,
I just concern.. i had a leadtech gpu gtx970 also, but found out the same issue, the linear drop regulator seems to be spoiled, but the model is vP01048, GA452, is it similar like your GS7103?
I'm not that familiar with your model, I can only suggest you find an identical replacement.
Great video bro, i am beginner in electronic repair, i gave à little vit of knowlage but how do you always figure where is the 5v line / 3.3v ..etc on the board ? Is there any advices you can provide to spot those lines ? Thanks a lot for knowlage sharing
Just experience, 5V and sometimes 3.3V is basically always used for VCC on many phase controllers and buck converters found on semi-modern cards. Where Enable is usually in the range of 3.3V-1.8V. Again, it's just from having seen a lot of dead cards. Because of this, you can often use a continuity check from the VCC pin on a buck converter or phase controller to see which inductor is connected to 5V. Also on semi-modern cards, if there's an LDO, there's a very high chance it's job is to take 12V and output 5V.
If so something similar to pax rail in AMD cards will cause crash when load hits? Thanks!
Where can I find datasheets or documentation for specific video cards? I have not had luck just googling it. Since cards vary so much, it would be nice to figure out what components do what and the voltages/resistance I should expect.
There aren't any. Unlike Macbooks, there are no easy cheat sheets when it comes to graphics cards. Unless of course you're an authorized repair center.
What else could i check if the VRM is fine? My MSI 970 looks different than this but i m pretty sure i checked everything
Awsome quick detailed repair I have a question on the rog strix gtx 1070 how does the ina3221 circuit work as I have a problem the three channels all have their voltages I have ground but my card reports idle and 0.0% tdp and card won't boost past its base clock but it still runs stable in games and cool at 54'c at 0.800mv on core confused as to how the data lines tell the gpu die the power consumption cheers from edd
I'm actually not that familiar with how the current sensing/balancing circuitry works. On GPU-Z, do the power readings for the 8 pin and the PCIe look normal? sometimes on these cards that are stuck at base clock, you can see the PCIe connector 12V power draw reading in the 300W+ range. As for the current balancing, the INA 3221 chip has circuitry ( probably resistors) that connect to both sides of a shunt resistor. They measure the voltage drop across the shunt resistor and use it to calculate the power consumption. Are any of the capacitors next to the INA 3221 short?.
If you figure it out, let me know.
@@TechCemetery I brought the card after successfully fixing my strix and fought it was fun so brought this as faulty stuck at 139mhz and knew from before that the ina3221 controller was responsible for this so ow and behold the ina3221 chip was baked and had damaged the components around the chip and aslo welded itself to the board I removed the chip soldered new chip and three new caps and six resistors had to use some copper wire to complete the circuits as the damage had knackered traces and pads and now the card works just it's not actually seeing the voltages at the die I have on idle 0.005v drop on each 12v rail but the die just doesn't get that measurement 😔
Yes new video! But its only 10 minutes...
Hello, in 2:08 you measuring 20,76 OHms on memory coil, i have exactly same card, but my resistance is 14,35 , where can i looking for problem? Mosfets are probably fine, everything else has same values like you on video. THX for help
I got that same exact card but it has a blown power Stage on the high side I Believe wondering if I desolder the power stage and make sure that there's no short to ground if it would work again
You'll want to replace the phase driver as well if the MOSFET dies again. And you'll want to replace the inductor with a fuse for testing.
I know this video was uploaded more than a year ago but I am having a different problem. All the tests have been done and all voltages are present including 1.0 V out from PEX (GS7103).
The VGA card is still not being recognised. I have removed and checked the BIOS which is correct. The GS7103 IC does get quite hot on this card after a few seconds but appears stable.
Any ideas on what else it can be ?. Any help will be appreciated.
EDIT: There is also 27 MHz coming from the crystal. The resistance on the PEX 1V output to ground is only 0.7 Ohms but yet still gives out 1.0 V when powered.
Thanks man.
Thank you.
Curious where you get the information, for the typical voltages needed for each rail and how much resistance to expect for them all to ground. i have an asus 1070 and a 580 i bought both separately, and both dont work... but probing them they both seem to have power everwhere. the gtx 1070 isnt detected at all, but the 570 is and i tried flashing a bios, and installed drivers successfully but still wont boot when set as primary display. hardly any info online to follow where to get proper readings for power or resistances. any help is appreciated.
I watch a lot of repair videos, some of which are on graphics cards. Otherwise I generally have to guess whether something looks off. The repair videos I watch are generally from the channels I've linked on my youtube channel.
Hello. I have a PALIT 970 that started to black screen and the would no longer display anything , so I followed your instructions and measured voltages and resistances. All 0R resistors and fuses are OK, the resistances are OK (95R for mem, 4.5R for core) and all voltages from 12V to 1.05V LDO generated rail (that was broken in your video) are fine, but after a few seconds the mem and core voltage go to 0. Have you seen this behavior before? Is there some kind of Enable that commands the card to startup?
Uh, question is the PCI connected to the graphics with the pc on while you're doing all this?
I have a PNY 970 only boots with a PCIe 6 pin unplugged (either one or both unplugged, boots and tells me to plug in the PCIe power)
If it is turned on with the PCIe plugged the motherboard beeps no video card at me, no VMem detected. What should I be checking next?
Hi quick question are you able to tell what size capacitors those are on the actual GPU chip around the dye...on the green part between the silver part and the actual GPU dye...and secondly will the resistance be different in all? One broke off my 2080 super and I need to replace it but not sure of the value. I'm being told it's a 01005 0402 capacitor and a 1uf should suffice? They come in various voltages can you please advise. The lowest I could find was a 2.5v ...would this be it uk.farnell.com/murata/grm022d80e104me15l/cap-0-1uf-2-5v-mlcc-01005/dp/2997876
Hi, it´s 0.9v enough for the enable pin? i have the same .47 v on the v-out pin. The board is a gtx 760.
That datasheet says that EN is high when it passes 1.4V for a 5V VDD.
Thanks!
Great job.
Hello. Im trying to fix GTX 960 2GB GIGABYTE and I'm stuck. I do have all main voltages 12V, 5V and 3.3V. Vcore voltage is low, around 500mV and there is no Vram voltage at all. Linear dropout regulator has 5V Vdd but no Vin and no Enable. RT8120D (single phase buck regulator - i assume its responsible for controlling memory voltage ) has 12V on BOOT and 12V on Vcc , PHASE-ON and ENABLE - 0V. Am I right to assume that RT8120D might be faulty? Any advice? Man y thanks!
i don't know much about circtuis (i only soldere together a headset) but my brother in games has lost his output because of a short in psu.. do you this i can copy past the same logic to a gigabyte 970 gtx x3 oc?
Hey man I have a weird problem with an asus strix 1080ti. It had some liquid damage and quit working and I found out there was a short. I have it working
Now on 2 of the outputs but after stressing it seems like a memory vrm is over heating or something it will work for 10 to 15 min then builds enough heat to cut out if you help me out at all would be great I would hat to have to retire the card since it still works
thank you
Good stuff 😀👍
I have the exact same GPU, the fans attempt to tour every 1-2second
And displays a black screen
Can it come from the same problem or do I have to try everything just in case?
hey bro...i love your videos....i have evga 970 with a similar problem but when i put on the riser no volt on pex,vcore or vram rails.....so after 10 or 12 secund the voltages apears but vram voltage is a little high...1.6 volt....is wanna know something about what could happens there.....please and thanks
The datasheet states that the feedback voltage should be ~0.8V. But when R1=2.4k, R2=2.6K and Vout=1.05V. the feedback voltage would be 0.546V. Why are the resistors values correct here. am I missing something?
If I remember right, the formula given for FB would suggest that the output voltage would be 1.6V roughly speaking. But since VIN is really low (1.55V), the output is then limited to 1.05V. If VIN was say 5V, VOUT would be higher.
Or so I think that's what is going on.
can you do a video on how tp fix (Code 43) on a Radeon VII. I already downloaded new bios and it said they where already installed.
You likely need a new GPU.
One question....when you turn on your MB ... and you have no heatsink on GPU...will the GPU not get burned ? is it safe to keep it like that ? mine is getting hot really fast
Hello, I have the exact same card. It died when I hot plugged it to a TV that had a different ground. I saw sparkles when I connected it and the fans stopped working immediately after I plugged the HDMI cable. Now I get no POST and the card is not recognized. Also, the fans start to spin for a split second and then stop, and this loops continues until I turn of the machine. Any idea on how I can fix this behavior?
My PEX rail is at 100 ohms. Also, my memory voltage is at 4.5V.
Hey i have a 780 and at u16 i have APW7142 chip, it is burning out. Can u help?
Any chance I can get you to repair a gtx970 from zotac? It’s not detected either.
Curious why you use subnautica for testing instead of furmark. :)
Games are typically more VRAM heavy.
Mine have everiting ok but no video output i dont know what to do
I need help and any advice is highly appreciated. Im trying to give life to gainward gtx970 phantom but i hit dead end. Once i turn pc on every voltage is there but before posting vcore and vmem goes to zero. I checked for shorts and resistance, everything seems ok. Im no professional by any means. Thank you!
Usually this indicates a fail-safe condition, since the GPU VRM turns on before the memory VRM ( or so I assume), then it's likely the problem is again, with your GPU VRM. Without the card in hand, I can't give you much advice beyond that.
@@TechCemetery Thank you for quick reply. Its good to know that this indicates fail safe. It crossed my mind that maybe bios is corrupted. Btw great channel you have!
Hello friend, I hope you can say if you knew how to solve it. I'm having the same problem
@@agustinbestani4284 if i remember correctly, there wasnt enable signal. I didnt find why, but connected some voltage (1.8 or 3.3v not sure) from somewhere and it worked for a few seconds until one of the gpu vrm mosfet went bad. Removed it and gpu turned on, enable signal was still missing. I ordered replacement mosfet but it never came. I should probably order another one🥴 thank you for reminding me about that card.
my evga geforce gtx 950 says invalid format and the screen goes blank how to fix it?
I have a problem with this exact card, however it appears to be the memory voltage isnt there. There is a chip on the back which appears to drive the mosfets (u6) on my board it looks as if the package is damaged. Any idea what this part is? Thanks.
Edit: it only has '08 20 832' may say 08 2G 832.
On checking around it appears to be an RT8809BZQW.
On a GTX 1000 series card, you'd expect to find an RT8816. I'm not familiar with the GTX 900 series cards so I can't really help you out.
@@TechCemetery Thanks anyway, I'm enjoying your videos. Only just started looking at repairing graphics cards, at the moment I have about 8 faulty ones to play with. I'm using the 970 for practice.
Hello friend, I hope you can tell me if you found it. In my case it is 08 1L A2Q but I think it is the same. i'm having the same headache
I have same card but it’s 5volt regulater short
At a guess what would you say your strike rate is with regards to successfully repairing graphics cards compared to ones that are completely dead and used for parts?
This depends heavily on the model, on a PCB as awful as the reference PCB for the GTX 1070, 1070 Ti, and 1080, I would say more than half of these cards have a dead GPU. On something tamer like an RX 580, and in particular a Sapphire RX 580, less than 10% of the cards I get have dead GPUs.
@@TechCemetery I noticed faulty Sapphire cards are going for strong money.
@@FlyingVideos And for good reason, the best way to get them broken is to buy them in bulk from miners, it's how I get my broken RX 580s.
@@TechCemetery I often see them in bulk from miners but I thought mining cards were different as in no slots for monitors like HDMI ports?
@@FlyingVideos Most cards used for mining aren't actually made for mining, hence why most miners have broken gaming cards, and not broken mining cards.
Sad to read that your no longer repairing graphics cards I could really use your help..
Looks like an easy fix, could you do more AMD cards? Most of your videos are Nvidia GPUs
Yeah, it was very easy. I want to do more AMD cards, but I'm having a hard time buying any given the current market.
hello from France I have never studied electronics I have a gtx 780 inno3d when I put the pci express the card starts but when I put the two 6 + 8pin it no longer works you can tell me that can it be i love what you do i would like to take your lessons but english is very hard for me i was wondering if you can not put a french translation it would be really super nice bjr subscribed me you are very strong thank you
Excellent video. I just found your channel and troubleshooting these cards seems really interesting.
I have a bit of a long shot question here, but I have the same card that I had bought non-working on Ebay with the Q22 Mosfet burnt out as in this forum #24 forums.evga.com/GTX-970-FTW-Mosfet-burnt-out-Q22-m2712344.aspx. I got the card working by removing Q21 if I remember correctly as replacing Q22 would cause the replacement Mosfet to burn out immediately. Additionally, I added a thermal pad on the Mosfets, a piece of Aluminum stock, and another thermal pad to contact the cooler for active cooling of the Mosfets making sure the added aluminum did not touch any components with capton tape. The card has worked fine apart from the graphics driver resetting randomly. It often does it 5 minutes after loading windows and sometimes after an extended period under load from gaming (over 2 hours).
Would the absence of these Mosfets cause this issue or could this be some other problem?
It's done this issue throughout several driver updates and I tried reflashing the BIOS but yet the problem remains. It's a livable problem but it can be annoying to deal with.
Thanks
How much will you charge me for a live diagnostic help
My gpu freezes my computer each time I load a game. But it doesnt if the game doesnt require much work. Its a RX 580 8gb. Maybe I can pay for videochat helping me troubleshoting. I have Osciloscope, hot air gun and solder iron.
I can only suggest you check the inductors of the GPU VRM under load to see if any of them have an abnormal waveform. Generally cards that are unstable at load tend to have degraded GPUs. There's not much advice I can give you.
Brother, I have a very big problem and I have no idea what the problem is.
test in funmark: GPU 100% 135Mhz
Memory: 553MB 324Mhz
Graphic card: MSI GTX 970 4GB
Send me an email, it's listed under the about section of my youtube channel.
@@TechCemetery Thanks, you can see my email.
I want my amd sapphire R9 270X to be cleaned and repaired 😒
Can I send you a rx 580 for free?, that i think has a driver issue. It's just sitting here, I already got a new graphics card. But it black screens while gaming after 5 minutes of playing and wont boot unless its been sitting for a while. It's not a heat issue.
I plan to have a P.O. box for fan mail in a couple weeks. It'll be announced etc on a video. Thanks.
@@TechCemetery okay thanks 🥂
It’s giving 150v
👨👍
Can I just send you my 1080? Lol
Why should you put this 'simple' fix on youtube? You've already taken care of it, put effort in to it, no question to put up video like this.
Good job, maybe you can improve your channel if you also share the soldering work, anyway thank you...