Tu sua o cung may tinh bi hong

O cung may tinh cua ban (ke ca laptop) co the bi hong do soc hoac do tac dong manh cần dịch vụ sửa máy tính tại nhà. Nhung meo trong bai viet sau se giup ban khac phuc. Sau khi bi va dap manh hoac bi soc khi van chuyen, o cung cua ban co the khong su dung duoc nua hoac khong vao duoc he dieu hanh. Ban co the may man sua duoc loi va hoi sinh o cung neu thuc hien dung cac buoc sau day.
Buoc 1. Kiem tra loi va khac phuc o cung bang tinh nang Error-checking cua Windows: Ban chon vao o dia can sua chua va chon Properties > chuyen qua the Tools > nhan chon Check Now > danh dau chon truoc Automatically fix the file system errors va Scan for and attempt recovery of bad sectors. Cuoi cung nhan Start. Neu co thong bao hien ra, ban hay nhan Yes. Tinh nang nay chi khac phuc tam thoi trong thoi gian ngan giup ban co the kip thoi sao luu du lieu quan trong ma thoi.
Buoc tiếp  Chon so thu tu o cung > nhan ENTER. Sau do, khai bao Sector bat dau (Starting sector – mac dinh la 0) va nhan ENTER de bat dau qua trinh truy tim va khoi phuc nhung sector bi hong. Ban co the theo doi de biet doan nao co nhieu sector bi hong de co the cat bo de tiep tuc su dung bang cac chuong trinh phan vung o cung (nhu Partition Magic). Luu y: Neu thanh trang thai cua HDD Regenerator (|  |B||R|||B|||||) hien thi qua nhieu B thi o cung cua ban da bi hu ma chuong trinh khong the sua chua duoc. (B la ky hieu cua viec bad sector da duoc chuong trinh khoi phuc thanh cong). Thoi gian thuc hien kha lau nen neu ban muon dung lai giua chung co the bam to hop phim Ctrl+Break de tat. Sau khi cat bo cac doan sector hong, HDD se bi giam dung luong xuong nhung bu lai, ban co the truy cap du lieu tu o cung nhanh chong hon. Nhung truong hop khac lien quan Co nhieu trieu chung la khac lien quan den viec hu o cung ma ban co the tu sua de dang duoc may thong bao khong nhan dien duoc o cung voi thong bao “No HDD detected”  o man hinh khoi dong. Cach khac phuc nhu sau: - Truoc het, ban thu lai viec tu dong nhan dang o cung trong BIOS thong qua tinh nang IDE Auto-Detection va khoi dong lai may. - Neu van chua duoc, ban co the thao nap may va gan lai cac cap o cung cho chac chan hon va lam lai lan nua. Nen nho la ban phai rut dien ra khoi may va khu tinh dien truoc khi thao tac. Loi khuyen: - Khong duoc tat may dot ngot, phai tat may tinh hoan toan theo dung quy trinh, khong duoc tat “nong” hay rut dien dot ngot de may tinh va o cung khong bi “soc” dien. - Khong duoc van chuyen may tinh khi may dang con nong ma phai de may nguoi tu nhien roi moi chuyen di. Nen ke cac tam xop hoac dem ben duoi de han che tac dong khi di t ren duong.
Buoc 2. Chua o cung bang cong cu Flobo Hard Disk Repair Sau khi cai dat, ban chon o dia can sua chua > nhap vi tri Start Sector va End Sector (de mac dinh neu muon sua toan bo o cung) > chon Bad Sector Repair de bat dau qua trinh sua loi. Ban co the kiem tra be mat dia tu voi cong cu Surface Test va kiem tra he thong dieu khien o cung co van de gi sau va dap hay khong bang tinh nangController Test.
Neu ban gap phai tinh trang o cung van duoc nhan dien sau va cham nhung bi loi he dieu hanh va khong the doc duoc cac file khoi dong duoc luu tren dia hoac mat di o phan vung Active chua HDH, nhung loi thong bao cho truong hop nay thuong la NTLDR is missing (tren Windows XP) hoac BOOTMGR is missing (voi Windows Vista/7), dong thoi man hinh boot se dung lai o thong bao nay. Ban co the lam theo nhung buoc sau de khac phuc loi: + Doi voi Windows XP: Su dung cong cu Windows XP Recovery Console bang lenh fixboot. Thao tac nhu sau: - Chon che do uu tien boot tu DDVD-ROM va cho dia Windows XP CD vao o CD. Trong qua trinh chon lua, ban hay nhan phim 'R' de bat dau sua loi trong Recovery Console. - Chon phan vung (o dia) cai dat Windows XP (C:WINDOWS) > go mat khau Administrator va go lenh fixboot.Lenh nay se chep lai cac file can thiet cho viec khoi dong (boot sector) vao o dia. - Tiep tuc, ban kiem tra ten o dia cua CD-ROM bang lenh dir X: (X la ten o quang – hinh minh hoa o CD-ROM la D). Khi biet chac chan ten ky  tu o CD, ban hay tien hanh copy 2 file NTLDR va NTDETECT.COM tu CD cai dat vao o cung. Sau do, ket thuc bang lenh BOOTCFG /rebuild va khoi dong lai may. COPY CDDrive:I386NTLDR C:  COPY CDDrive:I386|NTDETECT.COM C:  BOOTCFG /rebuild  (CDDrive: ten o dia CD) + Doi voi Windows Vista/7: Khoi dong lai may voi dia Windows Vista DVD > nhan Next trong cua so dau tien. Nhin xuong goc trai, ban se thay tuy chon Repair your computer va ban nhan vao day > Chon Microsoft Windows Vista/7 > Next de tien hanh sua chua loi. Tiep tuc, ban nhan chon Startup Repair va doi vai giay de qua trinh sua loi hoan tat. Sau do, ban hay khoi dong lai may tinh. Ngoai ra, ban co the vao Command Prompt > go lenh bootrec /fixboot de sua chua he thong dung Windows Vista/7. Neu ban khong bi mot trong hai truong hop la may chi dung lai o man hinh chao Windows hoac tu dong restart sau vai giay thi cach khac phuc loi bad sector nhu sau: + Buoc 1. Chuan bi 1 dia Hiren’s Boot CD, ban co the tai ve tai http://www.hirensbootcd.org/ va ghi ra dia.     + Buoc 2. Khoi dong may tinh bang dia Hiren’s Boot voi thiet lap uu tien khoi dong bang CD-ROM.
+ Buoc 3. Chon Start Boot CD >  Hard Disk Tool > HDD Regenerator.
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