Bitcoin mining guide, gpu

This guide will show you how to start mining Bitcoin with your GPU in a few simple steps. CPU mining was used at the start but is pretty pointless in these days as GPU’s can do the task 10 to 100 times faster. If you are looking for the most efficient card to mine with then you’ll want to get a AMD Radeon 7950. When looking at the hash to watt ratio this is currently the most efficient card on the market.

Bitcoin Client

The first thing you’ll want is the bitcoin client. Go to this link and get the client for your OS (probably the one ending with win32-setup.exe). Download it and install it. Once the client launches for the first time you might not have a wallet address, if you don’t, click on new and you’ll get your personal address.

Bitcon Client

You can create as many wallet addresses as you like in the future for any purpose you want but you should be fine with just one for now. You can also choose not to store your Bitcoins in your own wallet, you could use one of the exchanges like MtGox to store your coins. It could be safer, or not, depending on your computers safety.

Setting up GPU mining

Now not all graphic cards support mining but if you purchased a medium range or better one the last 1-3 years you should be able to mine. If you have an ATI/AMD card you’ll also need the AMD-APP-SDK, you can download it here.

After it downloaded. Open the file and install it. There’s nothing special in the setup, pressing next and finish where needed will suffice.

Now you’ll need guiminer to utilize your gpu for mining, download it here.

Once its downloaded, open the file, and extract it to a location which you can remember.

Now go to the extract location and start guiminer.exe

Guiminer Bitcoin

After the application launches you should see the following

Guiminer Bitcoin

Connecting to a pool

As solo mining is very hard to do these days i’ll show you how to set up mining with a pool. If you want to solo mine bitcoins, I advice you to find a guide on google but don’t expect to find any Bitcoins in the coming year if you decide to do so.

To make it easy to setup i’ll show you how to start mining at slush’s pool, this is the default one selected in Guiminer.

Go to the pool’s website: http://mining.bitcoin.cz and click on register in the right top of the page. Here you should be able to enter a username, email and password.

After you registered you will get an activation link in your email. This link should directly bring you to a page with a preconfigured username and password like shown below.

Slush's pool

Start mining

Enter the login and password into Guiminer and press start.

Guiminer Bitcoin

You should now see your hashrate on the right bottom. Congratulations! you’re now mining Bitcon on Slush’s pool. You can experiment with the flags, -v -w 128 is good by default for ATI/AMD cards but you can google for more options to maximize your hashrate.

To get your bitcoins you’ll have to login to mining.bitcoin.cz, it’ll show you what you have earned so far. If you, want you can transfer the bitcoin to your own wallet or to an excange like MtGox or Btc-e.

Common errors

Guiminer may fail to launch if you miss Microsoft Visual C++ 2008 SP1 Redistributable Package. It should be installed on most computers but if Guiminer fails to launch you can try and install it from here: 32bits or here 64bits

Links

MtGox Exchange
Btc-e Exchange
Official guiminer forum thread
AMD APP SDK
Bitcoin website
Mining hardware comparison

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