If you want to use system repair disc on Tablet PC or other computer with a touch screen, you might need to attach a keyboard, mouse and optical drive to use tools in the disc.
In very rare cases, if all the necessary files for creating either a system repair disc or a recovery drive are not available on your computer, the program may ask for an installation disc.
If you're prompted to insert a Windows installation disc, it means that the files needed to create the system repair disc can't be found on your computer.
As it states, a system repair disc can be used to boot your computer and it contains Windows system recovery tools that can help you recover Windows from a serious error or restore your computer from a system image.
Then you can choose a restore point and restore Windows 7. If you cannot boot into Safe Mode, you can use a system repair disc to access System Restore to restore Windows 7. However, you must be attention that there are some situations that restore points will not work.
If you need to let WBadmin restore backup from command line, you need a Windows installation disc or system repair disc. Create hard drive backup from command line in a more easier wayBesides using WBadmin to create backups from command line, you can also use third party software AOMEI Backupper to backup hard drive with a simpler command.
So if you want to fix a frozen iPhone but keep the data safe, I highly suggest that you should use an iOS system repair software- FoneLab iOS System Recovery, which is able to fix all above described iPhone screen frozen problems like iPhone keeps restarting, exit DFU mode and more.
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