Topic: Help GUIMiner Not finding Cards (Read 6160 times)

you have too install the latest driver

I only have one monitor and I just swap the cable from one card to another and it still makes them all light up fine so I don't think this is strictly necessary.

Catalyst 11.6B onwards doesn't need dummy plugs but there is a bug that causes load on CPU cores to go 100% which can be reduced by setting guiminer affinity to 1 CPU (but that one would still be at 100%)

I just went through this. I think everything that could possibly go wrong went wrong. Here are some things to do.

If you have a second monitor, plug it into one of the other cards and reboot. If it becomes available, you're in luck! All you need is a "dummy" plug. Use the layout here and the suggestion for Radio Shack 68ohm and pics here to make one with the VGA adapters that came with your cards. One thing though: kink the end of the resistor so that it is certain to touch the walls of the adapter. I didn't do this so my dummy plugs didn't work.

If it's not resolved, next, if there is a molex connector on the motherboard and you have a molex plugged into it, remove the plug. I don't know why but this made it so my MB would only see one card. Only use the power that plugs directly into the cards.

If that doesn't solve it, then you are in for a bit of work. First. Take out all of the cards and put them in one at a time into each slot and reboot to ensure that the slot is working. If there are any slots that don't work, you might have a defective motherboard.

After this, put in all of the cards. Install the latest drivers for your motherboard. Wipe out all ATI software and drivers using these instructions. Reinstall catalyst.

At this point it should work.

If this post helped you, please donate some btc : 1KZnfWkXXLdEjvQKYALbEsjbeWpvSG9NWB

If you don't crossfire them you have to make / buy dummy plug.

And before install the lastest driver and the lastest version of GUIMiner

SDK 2.1 is a bit of a hassle. But I recently fixed my miner to run on SDK 2.1, and it has a GUI.

Install catalyst 11.6 and use dummy plugs (or plug all cards into monitor sockets on displays like TV's, pc screens etc)

I use comand line miners, but i have a problem using cat 11.6 with sdk 2.1.

I dont get the sdk 2.1 to work, if i use the CLInfo i dont have OpenCl devices . With 2.3 / 2.4 it works.

GUIMiner doesn't work with older versions of the OpenCL drivers. I was having the same issue (Catalyst 10.11 + SDK 2.1 with my 5830).

I uninstalled all the ATI software, and installed just Catalyst 11.6 (which includes OpenCL drivers). Then GUIMiner works.

The 10.10/11+SDK 2.1 method is for the command-line miners (like Diablo) only, not for GUIMiner.

Used Same Installers on another computer with no problems.

I just started over with a fresh windows 7 64bit install...im sure this is an easy fix, just no luck searching it.

4x HD 5850s
Installed Cat 10.10
Installed 2.1 SDK

Now GUI Miner does not see any of the graphics cards or CPU (no opencl devices found)

GPU Caps Viewer sees 5 Open CL devices including CPU

Thanks in advance for help.