Yes, you can check motherboard details without opening the PC case in Windows by using the following methods.
Using System Information
Press Win + R, type msinfo32, and press Enter.
Look for BaseBoard Manufacturer and BaseBoard Product for details.
Using Third-Party Software
Install tools like CPU-Z, Speccy, or HWiNFO, which provide detailed motherboard information.
Using Command Prompt
Open Win+R to open command prompt then Type the prompt and enter
wmic baseboard get product,Manufacturer,version,serialnumber
To know other ways about How To Find Out What Motherboard I Have read the article.