support7 hello, thanks for your letter. Pls backup your data firstly, re-installing the system will make your data in your pc lost. System: https://mega.nz/file/GqwXTAyK#_dLBG22SUp75UKhvxc4nmas8XGQ2602nKRNQG-jwBz8 Tutorial: https://mega.nz/file/KjZHyIqB#0EEVnG_1fWYCq_qL7GUYFGuD7nKqlV8FZWu78SVGXS4 Hope it helps, Have a nice day!