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Author Topic: Verification failed, check hardware with every miner EXCEPT Phoenix  (Read 1286 times)
Xanthon
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May 06, 2013, 10:26:07 PM
 #1

I've been mining for a few days now and when I first started out, I couldn't submit any shares because it always returns a "Verification failed, check hardware!" warning.

I did some googling and it seems to be a common problem. I tried everything to no avail until I tried mining with Phoenix 1.7.5. Smooth as silk.

I'm not sure what's the difference between Phoenix and the other miners. Some enlightenment, anyone?
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bcabes
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May 07, 2013, 01:28:27 AM
 #2

I am seeing the exact issue. Unfortunately, I do not have a solution for you. My setup is (3) 5970s with windows 8 Professions 64 bit. I can tell you that I had a working system before steam updated my ATI driver to 13.4. Since then I have not been able to get back to a good working state. I even reinstalled my entire OS.
HellDiverUK
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May 07, 2013, 09:45:21 AM
 #3

Same here.  I can mine LTC OK using Reaper, but BTC and LTC with cgminer is stuffed.  13.4 drivers on a fresh install of Windows 7. Sad



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bcabes
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May 07, 2013, 01:36:19 PM
 #4

Same here.  I can mine LTC OK using Reaper, but BTC and LTC with cgminer is stuffed.  13.4 drivers on a fresh install of Windows 7. Sad

I am assuming that you are using 64 bit windows 7? I have had the same issue with both 13.1 and 13.4. From what I have read it is really the AMD APP SDK version that matters not the driver, but I have not been able to get a working version back up. Before I reinstalled my OS I had a working setup with 13.1 drivers.
os2sam
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May 07, 2013, 01:45:38 PM
 #5

I've been mining for a few days now and when I first started out, I couldn't submit any shares because it always returns a "Verification failed, check hardware!" warning.

I did some googling and it seems to be a common problem. I tried everything to no avail until I tried mining with Phoenix 1.7.5. Smooth as silk.

I'm not sure what's the difference between Phoenix and the other miners. Some enlightenment, anyone?

Phoenix is a good miner.  Do you need a different one?

CGMiner's FAQ has driver and SDK suggestions.  It is very difficult to back level the SDK if you installed 2.6 or later.  So if you don't need SDK 2.6 for the 7xxx series cards be careful to never install it.
Sam

A: Because it messes up the order in which people normally read text.
Q: Why is top-posting such a bad thing?
A: Top-posting.
Q: What is the most annoying thing on usenet and in e-mail?
bcabes
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May 07, 2013, 01:50:49 PM
 #6

I've been mining for a few days now and when I first started out, I couldn't submit any shares because it always returns a "Verification failed, check hardware!" warning.

I did some googling and it seems to be a common problem. I tried everything to no avail until I tried mining with Phoenix 1.7.5. Smooth as silk.

I'm not sure what's the difference between Phoenix and the other miners. Some enlightenment, anyone?

Phoenix is a good miner.  Do you need a different one?

CGMiner's FAQ has driver and SDK suggestions.  It is very difficult to back level the SDK if you installed 2.6 or later.  So if you don't need SDK 2.6 for the 7xxx series cards be careful to never install it.
Sam

Phoenix is okay, but I was seeing much better numbers with cgminer (1800 MHash versus 2100 MHash). I did install SDK 2.8. I guess it might just be best to try and reinstall my system again.
os2sam
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May 07, 2013, 01:59:14 PM
 #7

I've been mining for a few days now and when I first started out, I couldn't submit any shares because it always returns a "Verification failed, check hardware!" warning.

I did some googling and it seems to be a common problem. I tried everything to no avail until I tried mining with Phoenix 1.7.5. Smooth as silk.

I'm not sure what's the difference between Phoenix and the other miners. Some enlightenment, anyone?

Phoenix is a good miner.  Do you need a different one?

CGMiner's FAQ has driver and SDK suggestions.  It is very difficult to back level the SDK if you installed 2.6 or later.  So if you don't need SDK 2.6 for the 7xxx series cards be careful to never install it.
Sam

Phoenix is okay, but I was seeing much better numbers with cgminer (1800 MHash versus 2100 MHash). I did install SDK 2.8. I guess it might just be best to try and reinstall my system again.

Probably.  Make sure you don't go past OpenCL SDK 2.5 for 5xxx series cards.

A: Because it messes up the order in which people normally read text.
Q: Why is top-posting such a bad thing?
A: Top-posting.
Q: What is the most annoying thing on usenet and in e-mail?
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