Windows 7 System x64 (64bit)  Repair Recovery Boot Disc CD (All versions of Windows 7) Startup Repair, System Restore Image Recovery, Memory Diagnostics and Command Pompt. Windows 7 x64 (64bit) Edition, Certified Comp TIA A Repair non-booting installations of Windows 7 x64 (64bit) Startup Repair - Recover from HAL.DLL errors. Recover from BOOT.INI errors. Active Command Prompt and instructional papers - Test Windows for any missing or corrupt files and repair them. Windows Memory Diagnostic Tool - Repair or make a new MBR.