Diagnosing wireless network issues is crucial for maintaining a stable and efficient network connection on your macOS device. This article will guide you through the steps to diagnose and troubleshoot wireless network problems using built-in tools and commands available on macOS. While "Diagnóstico+Sem+Fio" might not directly translate to a specific tool or command in the Apple environment, macOS provides robust alternatives for wireless diagnostics.

Examples:

1. Using Wireless Diagnostics Tool:

   macOS comes with a built-in Wireless Diagnostics tool that can help identify and troubleshoot Wi-Fi issues.

   • Step 1: Hold the Option key and click the Wi-Fi icon in the menu bar.
   • Step 2: Select "Open Wireless Diagnostics..."
   • Step 3: Follow the on-screen instructions to run the diagnostics.

   This tool will analyze your Wi-Fi connection and provide a detailed report, including potential issues and suggested solutions.

2. Using Terminal Commands:

   For more advanced users, Terminal commands can provide detailed information about your wireless network.

   • Checking Wi-Fi Status:

     networksetup -getairportnetwork en0

     This command will display the current Wi-Fi network your Mac is connected to.

   • Scanning for Available Networks:

     /System/Library/PrivateFrameworks/Apple80211.framework/Versions/Current/Resources/airport -s

     This command will list all available Wi-Fi networks along with their signal strength and other details.

   • Getting Detailed Wi-Fi Information:

     /System/Library/PrivateFrameworks/Apple80211.framework/Versions/Current/Resources/airport -I

     This command provides detailed information about the currently connected Wi-Fi network, including signal strength, noise level, and more.

3. Analyzing Wi-Fi Logs:

   macOS keeps logs that can be useful for diagnosing wireless issues.

   • Step 1: Open Console from Applications > Utilities.
   • Step 2: In the Console app, search for "Wi-Fi" or "airportd" to filter the logs related to Wi-Fi activities.
   • Step 3: Analyze the logs to identify any recurring issues or errors.