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.

If you want to know the computer configuration, you can view it through three methods: Task Manager, System Information and Third-party Software. 1. Press Ctrl Shift Esc to open the task manager and switch to the "Performance" page to quickly view basic information of CPU, memory, disk and GPU; 2. Enter msinfo32 through Win R to open the system information tool to obtain a complete list of software and hardware and software and support export; 3. Use third-party software such as CPU-Z, GPU-Z or HWiNFO to detect the complete configuration in one click and most of them can be used without installation.

To display hidden files and folders, you can achieve it in the following three ways: 1. Click the "View" tab in File Explorer and check "Hidden Projects" to temporarily display hidden content; 2. Set the global display of hidden files through folder options, and the path is "View" → "Options" → "View" tab to select "Show hidden files, folders and drives" in the tab; 3. Advanced users can modify the Hidden item value to 1 through the registry to take effect permanently, and the registry must be backed up before operation. The above method is suitable for different usage scenarios and can be selected according to your needs.

The key steps to install PHP on Windows include: 1. Download the appropriate PHP version and decompress it. It is recommended to use ThreadSafe version with Apache or NonThreadSafe version with Nginx; 2. Configure the php.ini file and rename php.ini-development or php.ini-production to php.ini; 3. Add the PHP path to the system environment variable Path for command line use; 4. Test whether PHP is installed successfully, execute php-v through the command line and run the built-in server to test the parsing capabilities; 5. If you use Apache, you need to configure P in httpd.conf

DAO is a decentralized autonomous organization owned and managed by community members and automatically enforces rules through smart contracts. 1. It does not have traditional management, and decisions are decided by collective voting; 2. Governance tokens give members the voting rights, the more tokens, the greater the weight; 3. Proposals are initiated and voted by the community, and will be automatically executed by the smart contract after receiving the majority support. Its core features include decentralization, autonomy and transparency, and all rules and capital flows are open and auditable. The importance of DAO is to create a more fair, efficient and cohesive collaboration model, breaking regional and identity restrictions, and improving trust and operational efficiency.

Mapping network drives can be implemented on Windows in three ways. 1. Use "This Computer" to map directly: Open Explorer, click "Map Network Drive", enter the correct format network path and check "Reconnect when logging in". 2. Quick mapping with the command line: implement it through the netuseZ:\\IP address\shared folder/user:user name and password command, and the command can be saved as a .bat file to run automatically when it is powered on. 3. When encountering problems, check whether the network is consistent, whether the sharing permissions are open, whether the firewall is blocked, whether "Network Discovery" and "File and Printer Sharing" are enabled. You can also try to enter the \target IP manually access the shared content in the "Run" window before mapping. Just pay attention to the details,

Bitcoin’s July rise is the result of the combined effect of multiple factors, including improved macroeconomic environment, increased confidence in institutional investors and recovery in market sentiment. 1. The Fed's slowdown in interest rate hikes weakens the attractiveness of the US dollar, and the cooling of inflation triggers expectations of a shift in monetary policy; 2. BlackRock's application for Bitcoin ETF boosts market confidence, indicating that a large amount of institutional funds may flow in; 3. The technical breakthrough of key resistance levels attracts traders to participate, and changes in supply and demand relationships further support price increases.

The value of stablecoins is usually pegged to the US dollar 1:1, but it will fluctuate slightly due to factors such as market supply and demand, investor confidence and reserve assets. For example, USDT fell to $0.87 in 2018, and USDC fell to around $0.87 in 2023 due to the Silicon Valley banking crisis. The anchoring mechanism of stablecoins mainly includes: 1. fiat currency reserve type (such as USDT, USDC), which relies on the issuer's reserves; 2. cryptocurrency mortgage type (such as DAI), which maintains stability by over-collateralizing other cryptocurrencies; 3. Algorithmic stablecoins (such as UST), which relies on algorithms to adjust supply, but have higher risks. Common trading platforms recommendations include: 1. Binance, providing rich trading products and strong liquidity; 2. OKX,