Download the attachment to your original HP Win7 and try it out.

Not yet. It is recommended to boot the computer to WinPE with a USB flash drive or a CD boot disk, format the C drive first and then reinstall the system.

★ Precautions for brand machine system installation: Many brand machines will have problems when reinstalling the system. This is because a partition installed by the manufacturer is hidden in front of the main partition for system inspection of the whole machine. Therefore, we should pay attention to this problem when installing or reinstalling the system on the brand machine.

When installing the system, make sure that there are no hidden partitions when installing the system. Otherwise, a blue screen will appear: 1). 2). Installation time is too long. 3). An error occurred during the copying process. In these cases, there are about 20% brand opportunities.

Solution: 1). Refresh bios.2). Install using the original image installation version. 3). Delete the hidden partition before installing or reinstalling the system. 4) If a blue screen appears during installation, you need to enter the BIOS to change the hard disk mode to IDE compatible mode, and then try to install the system after restarting.

If it helps you ~ please adopt it in time ~