When you encounter the "DefaultGatewayisNotAvailable" prompt, it means that the computer cannot connect to the router or does not obtain the network address correctly. 1. First, restart the router and computer, wait for the router to fully start before trying to connect; 2. Check whether the IP address is set to automatically obtain, enter the network attribute to ensure that "Automatically obtain IP address" and "Automatically obtain DNS server address" are selected; 3. Run ipconfig/release and ipconfig/renew through the command prompt to release and re-acquire the IP address, and execute the netsh command to reset the network components if necessary; 4. Check the wireless network card driver, update or reinstall the driver to ensure that it works normally.

If the second monitor is not recognized by Windows, first check whether the cable and interface are normal, try to replace the HDMI, DP or VGA cable, confirm the plug-in video output port, and test different interfaces to eliminate compatibility issues; then verify the monitor power and input source settings, and connect the monitor separately to test whether it can be recognized; then enter the Windows display settings and click the "Detection" button, or use Win P to switch the display mode, and update the graphics card driver at the same time; finally check the graphics card specifications to confirm whether it supports multi-screen output to avoid exceeding its maximum output capability.

When encountering the "SYSTEM_SERVICE_EXCEPTION" blue screen error, you do not need to reinstall the system or replace the hardware immediately. You can follow the following steps to check: 1. Update or roll back hardware drivers such as graphics cards, especially recently updated drivers; 2. Uninstall third-party antivirus software or system tools, and use WindowsDefender or well-known brand products to replace them; 3. Run sfc/scannow and DISM commands as administrator to repair system files; 4. Check memory problems, restore the default frequency and re-plug and unplug the memory stick, and use Windows memory diagnostic tools to detect. In most cases, the driver and software problems can be solved first.

When Windows cannot detect a second monitor, first check whether the physical connection is normal, including power supply, cable plug-in and interface compatibility, and try to replace the cable or adapter; secondly, update or reinstall the graphics card driver through the Device Manager, and roll back the driver version if necessary; then manually click "Detection" in the display settings to identify the monitor to confirm whether it is correctly identified by the system; finally check whether the monitor input source is switched to the corresponding interface, and confirm whether the graphics card output port connected to the cable is correct. Following the above steps to check in turn, most dual-screen recognition problems can usually be solved.

This article provides the download and installation steps of Ouyi computer version client. 1. Visit the official website; 2. Find the download portal; 3. Select the corresponding version; 4. Download and install; 5. Log in to use to ensure that users can quickly complete transaction operations on the PC side.

The top ten virtual currency trading platforms in Europe in 2025 include Binance, OKX, Coinbase, etc., and are selected based on compliance, security, expenses, asset types and user experience. 1. Binance: The world has the largest transaction volume, low fees, and has obtained a license in multiple countries; 2. OKX: Comprehensive products, strong technology, registered in France; 3. Coinbase: Compliance and safety, suitable for beginners, licensed in many countries; 4. Gate.io: Has a long history, high security, registered in many European countries; 5. Bitstamp: Founded early, has strong compliance, regulated by Luxembourg; 6. eToro: Supports social transactions, diversified investment, regulated by CySEC; 7. Bitpanda: World

HTML5, CSS and JavaScript should be efficiently combined with semantic tags, reasonable loading order and decoupling design. 1. Use HTML5 semantic tags, such as improving structural clarity and maintainability, which is conducive to SEO and barrier-free access; 2. CSS should be placed in, use external files and split by module to avoid inline styles and delayed loading problems; 3. JavaScript is recommended to be introduced in front, and use defer or async to load asynchronously to avoid blocking rendering; 4. Reduce strong dependence between the three, drive behavior through data-* attributes and class name control status, and improve collaboration efficiency through unified naming specifications. These methods can effectively optimize page performance and collaborate with teams.

Error code 0x80070035 is usually caused by network configuration or sharing settings issues. It can be solved through the following steps: 1. Ensure that the two computers are connected to the same network and belong to the same work group; 2. Enable file and printer sharing and network discovery, and turn off password protection sharing; 3. Check SMB version compatibility and enable SMBv1 if necessary; 4. Use IP addresses to test host name resolution and connectivity; 5. Adjust advanced settings such as starting Server services, disabling third-party firewalls, or enabling unsafe guest login. These operations can troubleshoot and fix common problems one by one.