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Recent content by SavaBogdan

  1. S

    Nvidia GTX660 broke Alienware Aurora R12 motherboard

    Update: The motherboard arrived and the service here asked me nicely if I could bring the PC to them. I was happy to, the motherboard was replaced and the PC is working. I am however afraid to put the GTX660 back again, so I am hoping I will have luck with the EVGA queue and buy a 3080 or 3090...
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    Nvidia GTX660 broke Alienware Aurora R12 motherboard

    I opened a service ticket with Dell and despite all the hate against them, especially from Gamers Nexus's Steve, they have been super responsive and nice. They answered quickly, alrealdy ordered a new motherboard for me and a technician will replace the motherboard at my house before 21st of...
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    Nvidia GTX660 broke Alienware Aurora R12 motherboard

    It booted and worked with the old R5-230. I could not see the BIOS, was all white, but windows ran ok. I also tried an RX460 but the card overheated like hell and shut down after 5 minutes. I thougt the card was bad but now I am beginning to think you are right and the motherboard is bad. I will...
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    Nvidia GTX660 broke Alienware Aurora R12 motherboard

    Hello. I just blew a chip on my Alienware Aurora R12 with a GTX660 GPU. I was under the impression that all PCI-E GPUs are compatible. I got an Alienware i5 10400f with no GPU at a good price, and I wanted to use it until I got a good GPU. So I put an old R5 230 gpu and it worked fine. Today I...
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    Two not working Sapphire RX460 - Repair for educational reasons

    https://m.aliexpress.com/item/1005002754615762.html?spm=a2g0n.productlist.0.0.3cf8748cNP32Rh&browser_id=3cd52abc881845f5bc77a08b8092b299&aff_trace_key=ea7607c45b114c51a4b770d44259d9b1-1636550085356-06002-_vCuXVg&aff_platform=msite&m_page_id=17d0b44fefcbd6db3051ec64758ea9cf393f2026d7&gclid= You...
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    Two not working Sapphire RX460 - Repair for educational reasons

    I found GPU cores on aliexpress. They are around 70$ so I think I might order one to play around with. I know it doesn't make sense financially speaking but the satisfaction of correctly identifying the problem and actually seeing the card alive again might be worth it. Or maybe I can find...
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    Two not working Sapphire RX460 - Repair for educational reasons

    Of course I could't help myself and I removed the GPU. Easier than I thought, but the chip is small. Anyway, the short is gone. So I guess that was the problem.
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    Two not working Sapphire RX460 - Repair for educational reasons

    I was thinking about Puhui T862++: I don't plan on starting a business, just to develop a new skill, more like a hobby. But I wouldn't mind spending a bit more if it really makes a difference in quality. Can you recommend something?
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    Two not working Sapphire RX460 - Repair for educational reasons

    Well, not great news. I watched this video: The GPU core has 1.8v in, and at 1:27:09 he says that when you find a short on 1.8v it's almost certainly a dead GPU core. And this is true for both cards. I would have to remove the core to be sure but i don't have a reballing table to be able to...
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    Two not working Sapphire RX460 - Repair for educational reasons

    Ok, so what I have found today. I got hold of a schematic for similar boards and I found the GS7103. The problem is I can't figure out where it goes from pin 6. It says it's 1.8v but I don't know what 1.8v is used for. I did a few google searches and someone said something about memory and BIOS...
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    Two not working Sapphire RX460 - Repair for educational reasons

    Yes, I took the chip off again. The 0.2Ohm are from pad 6 to ground. I saw on youtube that someone trying to repair a RX460 found a schematic for a MSI RX460. Maybe it has a similar layout, or at least find out what that chip is suposed to power. I never looked at an electronic circuit board...
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    Two not working Sapphire RX460 - Repair for educational reasons

    I desoldered it and checked 3.3v pin to ground resistance and I still have 29Ohm. I plugged it in and started the PC and the short is gone. The problem is that the core gets hot pretty fast. I started the card with my finger on the GPU and in about 2 3 seconds it got pretty hot, so I turned it...
  13. S

    Two not working Sapphire RX460 - Repair for educational reasons

    Here are the chips. The one on the shorted card is GS7133. I suspect 3.3v because of the low resistance, especially compared to the working but different model RX460. I may be completely wrong though :)
  14. S

    Two not working Sapphire RX460 - Repair for educational reasons

    Hello everyone. I want to say that I am a beginner in electronics repair but I have very good soldering skills and access to programmers ( Beeprog, Xprog, etc). I work in automotive repairs, mainly ECU-s where I have to swap different parts between them (cloning them) but no experience in...
  15. S

    [Solved] RX 460 Blown Fuse

    Hi. I just fixed a card with the exact same problem. First card I ever fixed in my life. I was lucky that the mosfet was visibly blown so I knew immediately what the problem was. My question is, instead of replacing the same part number, can I install a uprated mosfet? I have no idea how to...
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