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7 Feb 2025

Ethereum: Cgminer not working on windows with Nvidia graphics card

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Ethereum Mining on Windows with Nvidia Graphics Card: cgminer Issues and Solutions

As an Ethereum user, you probably know how important it is to have a reliable mining software that works flawlessly on your system. However, for those with Nvidia graphics cards, setting up cgminer can be tricky. In this article, we explore cgminer issues on Windows with Nvidia graphics cards and offer solutions to get you started.

Problem:

When trying to run cgminer on Windows with Nvidia graphics card, users often encounter errors such as:

  • Command not found
  • Invalid block number
  • Block size mismatch

These errors indicate that the mining software is unable to detect the Nvidia graphics card or is misconfigured, causing the program to crash.

Solution:

To resolve the issues and successfully run cgminer on Windows with Nvidia graphics card, please follow these steps:

Step 1. Update your system drivers

Before installing the latest mining software, make sure your Nvidia driver is up to date. You can do this by doing the following:

  • Click the “Start” button in the lower-left corner of the screen and type “Device Manager”.
  • Press Windows key + X and select Device Manager
  • Expand the “Display adapters” section to view and update your Nvidia driver

Step 2. Install the latest mining software

After updating your drivers, install the latest version of cgminer on your system. You can do this:

  • Download the latest version from the official website (
  • Extract the zip file and run “make” to build the latest version
  • Install the resulting .exe file

Step 3. Configure cgminer settings

To make cgminer work properly with your Nvidia graphics card, do the following:

  • Set the gpu setting in the cgminer.conf file to True.
  • When running cgminer, use the “-g” switch and specify the GPU ID (if it detects multiple GPUs) or the GPU name (if there is only one).
  • Set the “–block-size” option to a value that matches the block size of your system (e.g. 256, 512).

Configuration Example:

Here is an example of cgminer configuration on Windows:

cgminer --scrypt -o -u usernmae -p mypass --thread-concurrency 8192 -I 10 -g Nvidia0 -w 256

Additional Tips:

  • Make sure to run the cgminer' command as administrator to ensure you have the necessary privileges.
  • If you encounter any problems during the installation, try restarting your system and running thecgminer’ command again.

If you follow these steps and tips, you can successfully set up cgminer on Windows using an Nvidia graphics card. Happy mining!

ETHEREUM BOOLEAN WITHIN

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