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Graphics card doesn't display anything. Fan at 100%

Hi, I bought two graphics card from Aliexpress, they are both GTX 750 and used.

One is working perfectly while the other one doesn't display anything on the monitor and I don't think its even detected by the motherboard.

I already got refunded for the non-working one. Upon close inspection of the PCB, I find out that some small parts are missing from the non-working one as compared to the other.

Here are the pictures of the cards,

Working graphics card :

Non-working :

What I want to ask is, could those missing parts be the reason why the card isn't working and if yes, are they something that's easily replaceable? What are they called anyways?

Thanks for reading.

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发帖于: 2018年7月4日

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@ukim your video card is missing a crystal. It has to do with the frequencies of your video card. Check the number on the part of the working card (looks like 27.000 MhZ) and see if you can cross reference that with anything available at places like mouser.com or digikey to com etc.

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Thank you very much for the fast reply. On the second picture, notice that I used two arrows, there are other two parts missing as well, pointed by the bright red arrow. They are very small and I wasn't able to take pictures of them for the working one and are behind the big silver thingy (oscillator?).

由 39s 完成的 2018年7月4日

those are most likely capacitors. Use your working card and check those with a smart meter.

由 oldturkey03 完成的 2018年7月5日

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Graphics card doesn't display anything. Fan at 100%

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