Press Arrow right to move to Utility. Then pressSpace bar to choose the menu, then arrow down to move to Disk Utility, Space bar to choose it. The "Disk Utility" window will appear on screen.
Press Ctrl+F4 to jump into Disk Utility window and Arrow keys to move to the HDD to highlight it. Then Ctrl+F5 to jump to Disk Utility tools bar and Arrow keys to move to "Erase" button and Space bar to choose it.
Once finished press the Windows key and Q to close Disk Utility.
Then press Tab to choose between "Back" button and "Continue" button.
Once on "Continue" button, Press the Space bar to continue, read (or not) the Agreement, then press Tab to highlight the "Continue" button and the Space bar to choose it.
Tab to choose "Agree" and the Space bar to continue. Press the Arrow up key, then Arrow left or right to highlight the HDD.
Tab to jump to "Customise" button, Tab again to jump to "Back" button and Tab again to jump to "Continue" button. Once Continue is highlighted press the Space bar to continue.
When finished installation. Reboot with the USB to the Menu bar again, then using Arrow keys to move to Utility sub-menu, press the Space bar to choose it and move down and choose Terminal to copy folders and files to HDD with Shaneee's post install tutorial here, viewtopic.php?f=24&t=80
When Terminal window appeared, I pressed Ctrl+F4 to jump into Terminal.
When I finished installation, reboot into HDD, my mouse is OK again.
So, you do not need to use mouse in installation screen, just use keyboard, you can complete the installation.
Using keyboard in installation screen:
- Enter key or Space bar: Continue, OK
- Ctrl + F2: Choose the menu bar
- Arrow up, down, left, right keys: Choose HDD, choose sub-menus
- Ctrl+F4: Move into Terminal window (when Terminal window appear on the screen) or move into Disk Utility window (when Disk Utility windows appear on the screen).
- Ctrl+F5: Move to Disk Utility tools bar (when the HDD is highlighted), Arrow keys to move to Erase button and Space bar to choose it.
Installed Operating System: El Capitan 10.11.6 (on Seagate 1TB HDD)
CPU: AMD FX 4130 - 3.80 GHz
Motherboard: MSI 970A-G46, Chipset: AMD 970 & SB950
Graphic: NVIDIA GeForce GT 620
Audio: Realtek ALC892
RAM: 8GB DDR3
HDD: Seagate 1TB and Seagate 500GB