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Troubleshooting Guide: Resolving USB Connection Failures on xTool P2/P2S

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If you connect your xTool P2/P2S with a connection cable and turn it on, but encounter a connection issue, this guide covers troubleshooting for two common scenarios: 🔹 Issue 1: The software reports "Device not found". https://preview.redd.it/d3yq8o053xhh1.png?width=907&format=png&auto=webp&s=0ca344e96513f34334ab9d0efdd19b4830dd04fd 🔹 Issue 2: The device was found, but the connection failed. https://preview.redd.it/xkal85063xhh1.png?width=922&format=png&auto=webp&s=f82e94cbc6e2a2d3ee6831c8eb4cb8e9e62dd664 🔍 Potential Causes 🔹 The USB cable isn't plugged in securely 🔹 Damaged USB cable 🔹 The device's USB adapter cable is damaged 🔹 Computer port error 🔹 A VPN is enabled on the computer 🔹 The driver files are not installed 🔹 The firewall is enabled on the computer 🔹 A double-ended Type-C cable was used to connect 🔹 Running the software without administrator privileges 🔹 Software version issues 🔹 Device's main control board malfunction 💡 Special Case — After a Main Control Board Replacement If the connection issue occurs after replacing the main control board, it may be due to missing essential data on the board. xTool can provide remote computer support to attempt to write this data — please contact the xTool after-sales service team and explain the situation. You can verify this yourself first: 🔹 Keep the device connected via USB (even if the software cannot connect), then open the following link in a browser (Google Chrome is recommended): - Windows: http://201.234.3.1:8080/device/machineInfo - macOS: http://201.234.4.1:8080/device/machineInfo 🔹 The browser should normally display device information. If the SN field is empty or shows garbled text, this indicates data for the main control board is missing. https://preview.redd.it/f7v5ng673xhh1.png?width=1919&format=png&auto=webp&s=0b6423dc7f6c03ca381b019463c1add07a569719 🛠️ Step-by-Step Troubleshooting Procedures 🛠️ Section 1: Troubleshoot Issue 1 — "Device Not Found" 📋 Procedure: 🔹 Check the Software Version: If you're still using XCS, note that it is no longer maintained. We recommend downloading and using the latest version of xTool Studio instead. 🔹 Check the Port: Connect to the correct USB port on the left side. https://preview.redd.it/owuh38y73xhh1.png?width=1151&format=png&auto=webp&s=9e33e06547bc9f20b4b7705f56c1d87ef951ff2b 🔹 Check the Computer Configuration: Read the tutorial and check whether your device meets the minimum configuration requirements. - If it does not meet the requirements, test with a different computer. - If it does meet the requirements, continue to the next step. - Note: if your computer is running a newly released operating system, there's a small chance of compatibility issues — test with a different computer if possible. 🔹 Check the Driver: Go to Device settings > Device > Install driver, and make sure the drivers are properly installed. https://preview.redd.it/htrp13z83xhh1.png?width=1472&format=png&auto=webp&s=7626636107858698163e6462812e1c665c0004b0 🔹 Reconnect the Cable: Restart the device, then unplug and reconnect the connection cable. 🔹 Check the Connection Cable: Use the original connection cable and inspect it. If it's damaged or won't connect, replace it with another cable and try again. https://preview.redd.it/dwpsugca3xhh1.png?width=1200&format=png&auto=webp&s=e262bb8d9e4b73e598f8eee41944623511fda4bc 🔹 Avoid Using a Docking Station: Some docking stations may cause communication issues — try connecting directly without one. https://preview.redd.it/1i79zofb3xhh1.png?width=1083&format=png&auto=webp&s=ab90c692b40f59d64c051c1eada344a25e79d2f8 🔹 Run Fault Diagnosis: Connect the device via USB, then go to Device settings > Device > Fault diagnosis > Start, and follow the prompts to complete the connection check. https://preview.redd.it/fez8vsdc3xhh1.png?width=1421&format=png&auto=webp&s=d79be886e017e857288011fc2e0ce700e1e3b6eb 🔹 Check Network Permissions: Go to Settings > Privacy & Security > Local Network, and enable local network permission for xTool Studio. https://preview.redd.it/e9ljlaad3xhh1.png?width=621&format=png&auto=webp&s=719d6b4235255d995bbdc64338ddd2194492a5e5 https://preview.redd.it/93rcuezd3xhh1.png?width=564&format=png&auto=webp&s=80c7f78b9c46aab3c5b144710db81cb3e422160b 🔹 Delete Network Caches (macOS only): Go to Settings > Network > select your network > Delete Service to clear all cached network data. This cache is automatically recreated when the device reconnects. https://preview.redd.it/ih2on93f3xhh1.png?width=715&format=png&auto=webp&s=c8ab5a31e8ec1287155dc4ddcea8c6d5d7239450 https://preview.redd.it/60lsdypf3xhh1.png?width=1077&format=png&auto=webp&s=31b4c4cdc25fbe3983db28ebc96ce64ed17d9509 🔹 Connect Directly to the Main Control Board: https://preview.redd.it/8qzu3dmg3xhh1.png?width=1200&format=png&auto=webp&s=95d54cd5c9b6afdc5978d4f2fec18fa3c9371702 (1) Disconnect the power, then follow the tutorial below to remove the left panel: • xTool P2S: https://support.xtool.com/article/1692?from=xTool+P2+Series&url=/product/4 • xTool P2: https://support.xtool.com/article/949?from=xTool%20P2%20Series&url=%2Fproduct%2F4 (2) Unplug the USB adapter cable and use a Type-C cable to connect directly to the Type-C port. If the first connector doesn't work, try the next two Type-C plugs below it one by one. (There may be yellow soft glue on the plug — if it's too tight, gently scrape it off with a tool before unplugging.) • If the connection is restored, this indicates a fault with the USB extension cable — please replace it. • If it still can't connect, continue to the next step. 🔹 Check for Firmware Abnormalities: Observe the device's startup process (e.g., whether the laser module resets normally and the display functions properly). If anything looks abnormal, the device firmware may be at fault — please record a video of the startup issue along with a video of the main control board's indicator lights during operation, and send both to the xTool after-sales service team for analysis. https://preview.redd.it/zhw64ihh3xhh1.png?width=854&format=png&auto=webp&s=7b3bd081ddfd5bf061aa9b070b05e090dd7124ce 🛠️ Section 2: Troubleshoot Issue 2 — "Device Found, But Connection Failed" 📋 Procedure: 🔹 Delete the Plug-in Cache: Go to the software settings, clear the plug-in cache, and try connecting again. https://preview.redd.it/0uqmlhdi3xhh1.png?width=914&format=png&auto=webp&s=961efb13977139c2c83345f943416c1aed9c2a9f ⭐ Still Need Help? Should the issue persist after completing all the troubleshooting steps above, please record a video of the issue you encountered, gather the steps you have taken, and feel free to reach us through the live chat on our website, submit a support ticket or join our Discord community for additional support. To help our technical support team assist you promptly, please provide the following details: 1️⃣ Issue Description: A detailed explanation of the observed problem. 2️⃣ Video Evidence: A video demonstrating the issue, where applicable. 3️⃣ Troubleshooting Performed: Any steps you've already attempted, along with their results.

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