Click the multicolored Windows logo in the bottom-left corner of the screen. It's on the right side of the Start menu. Doing so will prompt the computer to begin shutting down. You may have to confirm this decision. Once your computer falls completely silent, you can proceed. Your computer will begin to start up. You'll want to do this as soon as you release the Power button, and don't stop until the BIOS screen appears. The BIOS page usually resembles a blue screen with white letters, though your BIOS may look different. At this point, you're free to change your computer's boot order.
افتح قائمة ابدأ. انقر على خيار إيقاف التشغيل Shut down. انتظر انتهاء جهاز الكمبيوتر من إيقاف التشغيل. اضغط على زر تشغيل جهاز الكمبيوتر. اضغط على زر بايوس على الفور. توقف عن الضغط على زر بايوس بمجرد ظهور قائمة بايوس.