Pha password CMOS bang cach nao

Tags: bang cach nao, may tinh, co the, khoi dong, su dung, khong the, mac dinh, Password, CMOS, BIOS, pha, pin


Pha password CMOS bang cach nao
Pin CMOS tren mainboard
Toi da bi dong nghiep “choi gac” bang cach cai password vao may tinh cua minh khi toi vang mat. Ngay khi khoi dong la man hinh hien ngay ra o “Password” va toi khong the nao su dung may tinh tiep tuc khi khong biet password phu hop. Tro dua nay da duoc khac phuc sau do nhung co cach nao de pha password khoi dong nay khong? ( Honglien…@yahoo.com )

Dung la ban da bi “choi gac” mot cach rat “khoa hoc” bang cach cai password vao CMOS cua mainboard may tinh va hau nhu chi co chu nhan cua tro “choi gac” nay moi co the khac phuc duoc. Cai password CMOS duoc xem la mot trong nhung bien phap kha huu hieu de bao mat may tinh. Pha password CMOS la mot dieu het suc kho khan nhung khong phai la khong the lam duoc. Tuy nhien de thuc hien thanh cong cung doi hoi ban phai co mot “tay nghe” nhat dinh.

Co mot vai cach de pha password CMOS nhu: thay chip BIOS, ngat mach chip BIOS, su dung jumper, thao pin tren mainboard, pha password CMOS bang mot so lenh, nhap vao cac password mac dinh cua nha san xuat… nhung doi voi gioi tin hoc “binh dan hoc vu” nhu chung ta thi may ra co 2 phuong phap sau la tam co the ap dung duoc.

1. Nhap vao cac password chuan cua BIOS do nha san xuat da mac dinh san.

- Doi voi loai Award BIOS thi ta co the nhap vao cac password mac dinh sau de thu be khoa password da dat truoc do: AWARD SW, AWARD_SW, Award SW, AWARD PW, _award, awkward, J64, j256, j262, j332, j322, 01322222, 589589, 589721, 595595, 598598, HLT, SER, SKY_FOX, aLLy, aLLY, Condo, CONCAT, TTPTHA, aPAf, HLT, KDD, ZBAAACA, ZAAADA, ZJAAADC, djonet.

- Doi voi loai Ami BIOS thi dung: AMI, A.M.I., AMI SW, AMI_SW, BIOS, PASSWORD, HEWITT RAND, Oder.

- Mot so password dung chung cho Ami, Award va mot so BIOS khac co the thu nhu: LKWPETER, lkwpeter, BIOSTAR, biostar, BIOSSTAR, biosstar, ALFAROME, Syxz, Wodj.

Nhung thuc ra phuong phap nay cung khong hieu qua lam vi ngoai nhung nhan hieu Award, Ami… thi con hang chuc nhan hieu BIOS khac ma hau nhu ta khong the biet duoc cac password mac dinh la gi.

2. Pha password CMOS bang phan mem chuyen dung hoac cau lenh o moi truong DOS:

Neu ban duoc phep su dung mot may tinh dang duoc cai password CMOS thi ban co the dung mot so lenh DEBUG chay trong moi truong DOS de pha password. Day la nhung lenh co the lam mat hieu luc bo nho BIOS, giup cho no tro ve trang thai nguyen thuy, tuc truoc khi bi cai password. Nhung thuc chat viec nay cung het suc kho khan vi khong phai luc nao cung co the vao duoc moi truong DEBUG.

Mot cach hieu qua hon la ban vao dia chi http://www.cgsecurity.org/cmospwd-4.8.zip de tai ve cong cu mang ten “Cmos Password Recovery Tools 4.8” -> Giai nen file nay -> Tim den thu muc Windows -> Kich hoat file cmospwd_win.exe de file nay tu dong xoa di bo nho BIOS hien tai. Neu may man thi lan khoi dong sau se khong password BIOS nua. De “chac an”, ban nen vao thu muc “DOS” va kich hoat file cmospwd.exe de thu lai mot lan nua.

3. Thao han cuc pin mainboard de xoa hoan toan bo nho BIOS.

Day la thao tac tac dong vao phan cung de xoa hoan toan bo nho BIOS duoc xem la hieu qua nhat, neu “gan” mot chut thi ai cung co the lam duoc.

Ban dau ban phai thao thung may ra -> Quan sat that ky tren ban mach may tinh de tim ra mot vien pin co duong kinh co nhu mot dong xu 200 dong duoc gan trong mot o hinh tron vua khit voi vien pin. Tim duoc vien pin nay thuc ra cung khong kho lam -> Quan sat ky va thao vien pin ra bang cach bam vao cai “jumper” nhu hinh minh hoa -> Lay pin ra va cho khoang 30 phut cho “chac an”, tuc dam bao cho moi du lieu luu trong BIOS se “bay hoi” het -> sau do gan vao dung nhu hinh minh hoa. Khi khoi dong lai may tinh thi BIOS se tu dong tra ve moi thu dung nhu mac dinh ban dau va di nhien password cung se bien mat.

Dam bao rang da so truong hop thao pin ra deu thanh cong con neu khi gan pin vao ma password van con nguyen thi ban lai phai thao ra va cho doi thoi gian “bay hoi” lau hon nua, co the la ca ngay.

THUY KHANH (Tong hop)

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Tìm hiểu: bang cach nao, may tinh, co the, khoi dong, su dung, khong the, mac dinh, Password, CMOS, BIOS, pha, pin

Xem Bản Tiếng Việt Có Dấu: Phá password CMOS bằng cách nào?

Ban co the doc ban tieng Viet co dau cua bai viet Phá password CMOS bằng cách nào? bang cach nhan chuot vao duong dan tren.

Lien he ve tin Pha password CMOS bang cach nao

Nhan xet, hay lien he ve tin Pha password CMOS bang cach nao co the gui bang duong dan o duoi. Ban nen gui kem tieu de bai viet Pha password CMOS bang cach nao de lam tham khao. Bai viet nay thuoc chuyen de Hoi dap trong chuyen muc Cong nghe.

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