하드디스크(HDD) 로우 레벨 포맷하는 방법 (공장 초기화) - Hard Disk Low Level Format Tool 1. HDDGURU 접속 -> 프로그램 다운 HDDGURU: HDD LLF Low Level Format Tool HDDGURU: HDD LLF Low Level Format Tool HDD LLF Low Level Format Tool Low Level Format Tool — Click to enlarge Developer: HDDGURU.COM License terms: Free for personal/home use (speed is capped at 180 GB per hour which is 50 MB/s) Just $3.30 for personal/home use (no ..