Issues that occur during Windows 8.1 installation

This weekend installed a system, this thought one hours can be done, did not expect to spend nearly a day.

My machine is 6G memory, 500G hard drive, the original system is Windows 7, now want to replace Windows 8.1, so downloaded 64-bit Windows 8.1 ISO image file, opened with Daemontools, If you click Setup.exe directly after opening, you will only install a system on your current system. That is, dual systems, can not uninstall the current system (think it can only be so, you are in the current system environment to install a new system, if the existing system uninstall, the new system will not be installed), this is not what I want, Think of it or do a U disk boot disk and then install it.

1. Use UltraISO to make U disk Startup disk

The method is very simple: plug in the U disk (format beforehand), then open the Windows 8.1 ISO image file in UltraISO, and select "Boot CD-write hard disk image". A picture is enough to explain.

And then wait, this write speed and your system and U disk are related, anyway, I wrote 10 minutes or so written.

2. In the BIOS, the boot boot in the first order to switch to disk boot

After the boot disk can be followed by the system, the first need to modify the BIOS in the first boot to the U disk. Then reboot and start the installation process. But my process is quite tangled, the following is my installation process encountered problems (I installed the 64-bit English version of the system), took a long time to solve, so recorded for reference.

Question 1:windows cannot be installed to this disk. The selected disk has an MBR partition table. On EFI system, Windows can is installed to GPT disks.

That is, Windows cannot be installed on this disk, and the selected disk has an MBR partition table. On the EFI system, Windows can only be installed to a GPT disk.