Ethereum miner doesn't work anymore :(

[seufee]

Hello,
I built a mining rig in January of this year, and on the 15th of June this month, it seems to have stopped mining.
I read somewhere that I might have to update the Claymore miner. I did this and it still doesn't work.
The bat file shows "No NVidia, AMD, GPU's connected" or something along that line. It exits too quickly.
Is there anything else I need to do?
I built the rig a long time ago and kind of forgot how I did it originally.

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[Geraldo]

First of all, you need to describe your full setup. It will make it easier to analyze your problems.

Which Cards are you using?
Which OS are you using for run your rigs?
...
...
...
and many other things as detail as you can.

I was suspecting that was the driver issue after some system crash (if you are using Windows [since you were mentioning the bat file], it may cause by Windows update) I'm not sure since we have a bit info of your setup.

Clean the driver (using DDU) and reinstall it may fix your problem.

[Bug catcher]

Windows update can cause many problems on a mining rig. The update should be disabled! Last bigger update (april or may) made me so many problems, that I had to recover to a previous version.