1. How to install the system to the hard disk without erasing the existing data in the hard disk?
You can first partition the hard disk, and directly divide the blank partition in the free area (that is, delete the original partition), and use the free partition for installation and division when the system is installed.
This can be done using DiskGenius software.
Many people encounter the problem of not finding the boot after installing the system, and cannot start Ubuntu. When installing the Ubuntu system, you can add the boot by yourself, but at this time, the Win 10 system will be under the Ubuntu system, and then start IWin 10 at this time. , Repair the index of Win10. ,
Index repair can be done using EasyBCD software.
Some people do not install the index when installing the Ubuntu system, and then add the index directly to the Win10 system, which can achieve the same effect as the above, and it is slightly safer, but the landlord tried twice, but the index could not be installed successfully. Or it is installed but cannot find the location. The actual operation is not as simple as installing the index directly when installing the system.
Some people say that the installation system should be installed to the front of the disk, otherwise the index may not be found and the boot cannot be turned on. This statement is false.
2. Will the installation of dual systems with SSDs affect the running speed of the computer?
Will not.