U disk installed system can not start after how to solve?

Some friends use the U disk boot disk creation tool to make the U disk when the PE is installed and the system reboots. As a result, the operating system not found prompt appears. What does this mean? Here is the solution to this problem. Operating system not found Chinese translation means that no system is found. There are two reasons for this: First, in your BIOS, the first boot is not set to hard disk, but other drive letters, some BIOS will Therefore, the startup error occurs, and the first startup is manually set to the HDD. Second, after you install the system, the primary partition is not activated, and the system cannot be booted. Activating the primary partition is very simple. Take PQ as an example, select the partition to be activated, and then select the job (operation) → advanced (advanced) & rarr; Note that because the version of the text may be in parentheses, it may be in front of the brackets! If you want to set the primary partition: Optional: Job ———Convert ——— !