Giam tieng on cho may tinh

Tags: he thong may tinh, quat lam mat, Bo mach chu, bo lam mat, giam tieng on, bo nguon, thung may, thiet bi, khong co, hoat dong, tuy nhien, ban, cam, viec, thay


Ban co nghi nhung he thong may tinh hien nay tao ra qua nhieu tieng on khong? Du chung ta da bo khong it tien de trang bi nhung bo loa chat luong cao nham thuong thuc am nhac hay hon, nhung am thanh tu loa cong voi tieng on phat ra tu may tinh lam cho gian phong tro nen am i va hon loan.

Giam tieng on cho may tinh

Noi chung, may tinh lam viec cang em ai thi chung ta cang de chiu. Lam cho tieng on cua may tinh giam den muc chap nhan duoc la chuyen de dang va khong may ton kem. Ban khong nhat thiet phai lam cho may tinh tro nen hoan toan “cam lang” (thuc te la khong co bat ky bien phap nao de thuc hien dieu do), ma chi can lam cho he thong van hanh trong im lang o muc goi la “tam du". Bai viet se giup ban xac dinh va di doi cac bo phan la thu pham chinh gay ra nhung tieng on kho chiu trong may tinh.

Tieng on va nhiet do

Bo phan phat ra nhieu tieng on nhat trong he thong la quat lam mat va hau het moi may tinh deu duoc trang bi cung luc nhieu thiet bi nay. Vi du, may tinh Pentium 4 duoc PC World My thu nghiem khi thuc hien bai viet nay duoc trang bi den bon quat lam mat: bo nguon cap dien, CPU, card do hoa va o mat sau thung may.

Di nhien, nhung chiec quat nay co chuc nang lam mat cho cac mach dien mong manh ben trong thung may va do la mot nhiem vu het suc quan trong. Tuy nhien voi nhung thiet bi phu hop, ban co the vua bao ve may tinh de nhiet do khong qua nong vua van hanh em ai hon.

Truoc het ban can mua quat lam mat moi. Loai quat lam mat voi toc do quay cham tuy phat ra it tieng on nhung khong the cung cap nhieu khi mat cho CPU va cac bo phan trong thung may. Nhung loai quat co kich thuoc lon hon co the quay cham hon nua nhung chung thoi duoc nhieu khong khi mat vao ben trong hon. Tuy nhien vi canh quat qua to nen co the khong vua voi thung may. Mot so loai quat lam mat dat tien (khoang 20 USD tro len thay vi chi 2 USD nhu thong thuong) co cung kich thuoc va toc do duoc thiet ke dac biet nham giam thieu tieng on. Cuoi cung, ban co the giam bot phu thuoc vao quat lam mat bang cach lap nhung phien toa nhiet hieu qua cao tren CPU va nhung noi khac trong he thong.

De danh gia nhiet do cua he thong, ban co the dung mot chuong trinh theo doi nhiet do. Thong thuong, cac may tinh hoac bo mach chu deu di kem mot chuong trinh nhu vay, hang san xuat may tinh cung co the cung cap cho ban duoi dang mot phan mem tai ve mien phi tu Internet. Neu may tinh cua ban khong co cong cu nay, hay dung thu tien ich Motherboard Monitor mien phi cua Alex Van Kaam (tai ve tai www.pcworld.com.vn , ID: 47642; xem hinh 1). Chuong trinh nay cho biet nhiet do cua may tinh va tham chi dua ra thong tin canh bao khi nhiet do trong thung may xap xi muc nguy hiem duoc ban thiet lap san. Mot phuong an khac la dung tien ich CPUCool gia 15USD cua Podien (tai ve ban dung thu tai find.pcworld.com/48561).

Truoc khi mo thung may va dong den cac bo phan ben trong, ban phai nho ky mot so bien phap an toan: Rut cap dien ra khoi o cam (o ca hai dau). Doi voi moi bo phan khong phai la o dia, ban de nam may tinh voi bo mach chu o duoi day, khi thao mot bo phan, ban mo tat ca cac vit roi moi nhac no ra. Va khi lap mot bo phan vao, ban cam tat ca cac vit, van nua vong roi moi van chat. Sau khi xong moi viec, cam cap nguon va bat dien may tinh, neu may hoat dong tot, ban hay tat dien mot lan nua, thao cap dien, dong thung may lai va sau do moi cam lai cap nguon.

Xac dinh nguyen nhan gay on

Viec thay tat ca cac bo phan gay on trong may tinh se lang phi nhieu thoi gian va tien bac, cho nen ban hay bat dau voi thiet bi phat ra tieng on lon nhat. Neu may van con qua on, hay tiep tuc thay bo phan phat ra tieng on o muc thu hai.

De xac dinh nguon goc tieng on, ban dung ong thu Cardboard Tube Test thong dung. Bang cach dat mot dau cua ong co gan loa giay vao tai, dau kia dat gan o dia, quat lam mat va cac thiet bi khac trong thung may, ban co the xac dinh dau la bo phan on nhat.

Neu ong thu nay khong du tin cay, ban co the dung bien phap Elimination Test: tat va mo lan luot cac quat lam mat va o dia cung de xem thu thiet bi nao gay on nhat (khong co gi nguy hiem khi may tinh voi thung may duoc mo hoat dong khong co quat trong vai giay). De lam “cam” mot chiec quat lam mat hay mot dia cung (bo phan gay on chu yeu ngoai quat), ban hay thao dien cung cap cho thiet bi do (phai bao dam may tinh da duoc ngat dien truoc do). Quat lam mat thuong duoc noi dien qua mot chan cam nho (ba lo) tren bo mach chu; o cung thi dung dau noi lon co bon chan tu bo nguon may tinh. Cam lai cap dien cua may tinh vao o cam, bat may len va chu y lang nghe ma khong dung den ong Cardboard.

Duong nhien, phuong phap nay khong the thuc hien duoc doi voi quat tren bo nguon vi ban khong the ngat dien cung cap cho thiet bi nay. Neu may tinh da tat dien nhung van cam cap dien vao o cam, ban hay cai mot que tam nho vao giua cac canh quat va giu no o do trong khi bat dien may tinh; neu may tinh tro nen yen tinh thi ban da tim ra thu pham.

Bo nguon cap dien thuong la thiet bi dau tien ma ban muon thay, vi quat lam mat ben trong thiet bi nay thuong gay on nhat trong thung may. Hay tim mot bo nguon thay the moi co cong suat it nhat cung phai bang cong suat cua bo nguon dang su dung. Tuy nhien, ban can nho bo nguon cong suat lon co kha nang du phong cho viec nang cap thiet bi trong tuong lai thuong co gia cao hon va phat ra nhieu tieng on hon so voi nhung bo nguon cong suat nho.

Ban co the dung bo nguon S12-330 cua Saesonic co cong suat 330 watt (find. pcworld.com/48562; xem hinh 2) duoc ban tren mang voi gia khoang 60 USD. Voi co canh 120 mm, quat lam mat nay quay cham hon va phat ra tieng on nho hon so voi loai quat co co canh 80mm pho bien trong hau het cac bo nguon hien nay. Tham chi, san pham nay con cho phep lam cham toc do cua quat lam mat CPU va quat o mat sau thung may.

Neu bo nguon Seasonic chua lam ban hai long, thi thu dung bo nguon Phantom 500 cua Antec co cong suat 500 Wat (find.pcworld.com /48564). Bo nguon nay hoat dong tuyet doi yen tinh trong hau het thoi gian. Tuy nhien, Phantom 500 co kich thuoc to, nang va rat dat (gia tren mang khoang 175 USD). Than bo nguon Phantom dong thoi la bo phan tan nhiet va quat lam mat chi hoat dong khi nhiet do vuot qua nguong duoc nguoi dung dinh san. Du vay, doi voi nhieu nguoi, su im lang tuyet doi khong tot bang khi lam viec voi mot chut tieng on. Nguoi dung co the de dang chap nhan tieng on nho thuong xuyen hon la luc on luc khong.

Viec lap dat bo nguon moi cung khong co gi kho khan. Ban chi can thao dien cung cap cho bo mach chu va cac o dia, thao vit va nhac bo nguon cu ra. Sau do, dat bo nguon moi vao, van chat cac vit va cam moi thu nhu cu. Bo nguon Seasonic va Antec co kem theo huong dan lap dat nhung khong phai moi nha san xuat deu co.

Neu may tinh su dung quat lam mat gan vao thung may (chu khong phai gan vao CPU, bo nguon hay cac thiet bi khac) thi ban co the thay bang loai khac it on hon. Quat lam mat kich thuoc 92mm trong may tinh thu nghiem la bo phan phat ra nhieu tieng on nhat. Giai phap tot nhat la thay the bang mot quat lon hon, nhung rat kho vi thung may cua ban co nhieu kha nang khong co cho trong cho quat kich thuoc 120 mm. Ngoai ra, viec dung quat tot hon (va co le quay cham hon) se lam giam tieng on cua he thong.

Hang News san xuat cac loai quat lam mat gan vao thung may khong gay on voi nhieu kich co khac nhau, co gia duoi 20 USD. Cac quat nay khong co ban huong dan lap dat, nhung viec thay the chung kha don gian: chi can thao day cap dien cho quat cu, thao quat, lap quat moi vao va cam lai day cap dien. Quat lam mat Real Silent 92mm cua Nexus (find.pcworld.com/58566; xem hinh 3) da lam viec tot trong he thong thu nghiem cua PC World My. Chi con mot ban tam nho: chuong trinh theo doi cac thong so tren bo mach chu cho thay quat nay chi quay bang nua toc do cua quat cu. Tuy nhien, toc do nay khong lam cho nhiet do cua may tinh tang len.

Hau het cac o dia cung deu khong co quat lam mat nhung chung van gay ra nhieu tieng on trong qua trinh hoat dong. Tuy nhien, co nhieu model moi it gay tieng on vi chung dung truc dang luu chat thay cho truc bi. Cho nen, neu ban can may tinh hoat dong “em ai” hon thi day la co hoi tot de nang cap dia cung.

Boc kin dia cung

Mot bien phap khac, ban co the dat dia cung dang dung vao trong hop cach am lap vua vao khoang 5,25 inch (dung cho o CD hoac DVD) nhu loai Nexus Drive-A-Way co gia khoang 60 USD (find.pcworld.com/48568). Nhom thu nghiem da tien hanh lap dat thiet bi nay voi vai truc trac nho truoc khi doc duoc huong dan duoc ghi duoi day hop. Drive-Way da hoan toan triet tieu tieng on cua dia cung tren may tinh thu nghiem.

Bo phan lam mat CPU hieu qua nhat la phien tan nhiet nho cung voi mot quat re tien nhung nhieu tieng on. Them mot it tien, ban co the mua duoc loai tot hon. Tuy nhien, viec thay bo phan lam mat cho CPU khong the thuc hien de dang. Mot phan cua kho khan nay la kich thuoc phai tuyet doi chinh xac. Bo phan lam mat CPU khong gay on co the kha kenh cang, voi phien tan nhiet giong nhu cac ngoi nha cao tang thu nho, duoc gan voi quat co kich thuoc bang may nghe dia xach tay. Ban phai bao dam bo lam mat moi nay lap vua tren bo mach chu va de cam CPU (socket). Co the ban biet ro minh co loai bo vi xu ly nao, nhung mot so CPU co kha nang phu hop voi nhieu loai de cam. Hay tham khao tai lieu ky thuat di kem cua may hoac bo mach chu (hay website cua hang san xuat).

Khi da tim duoc bo lam mat can thiet, ban phai tien hanh lap dat. Truoc het phai thao bo bo lam mat cu. Nhieu kha nang bo lam mat cu duoc kep vao de cam bang nhung cach ma ban khong the nhin thay bang mat va o nhung noi khong the thao tac duoc bang tay. Tiep theo, ban hay lau sach lop kem dan nhiet cu tren mat CPU, roi boi mot lop mong kem moi (bo lam mat moi co the kem theo ong kem nay). Cuoi cung, ban cai bo lam mat vao trong cac kep giu.

Doi voi cac bo mach chu ho tro socket 478, ban nen dung bo phan lam mat Freezer 4 tuong doi gon cua Arctic Cooling (find.pcworld.com/48570; xem hinh 4). Mac du thiet bi nay hoat dong khong “em” bang mot loai kich thuoc lon khac, nhung Freezer 4 co nhieu kha nang lap vua trong may tinh thong thuong va co gia ban tren mang vao khoang 30 USD (Arctic Cooling cung cung cap cac bo lam mat dung cho nhung dang de cam khac).

Neu viec thay bo lam mat CPU trong may tinh lam ban qua nan long, hay dung xem xet den viec thay doi cac quat lam mat nho duoc gan tren card do hoa. Loai quat nay thuong khong gay on dang ke, va viec thao tac tren card do hoa la mot viec lam het suc nguy hiem.

Chung toi cung khuyen cac ban khong nen thuc hien ngan cach thung may. Viec dung vat lieu cao su xop gan ben trong thung may de cach am thuong mat nhieu cong suc nhung hieu qua dat duoc lai khong dang ke.

(Theo PC WORLD VN)

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Tìm hiểu: he thong may tinh, quat lam mat, Bo mach chu, bo lam mat, giam tieng on, bo nguon, thung may, thiet bi, khong co, hoat dong, tuy nhien, ban, cam, viec, thay

Xem Bản Tiếng Việt Có Dấu: Giảm tiếng ồn cho máy tính

Ban co the doc ban tieng Viet co dau cua bai viet Giảm tiếng ồn cho máy tính bang cach nhan chuot vao duong dan tren.

Lien he ve tin Giam tieng on cho may tinh

Nhan xet, hay lien he ve tin Giam tieng on cho may tinh co the gui bang duong dan o duoi. Ban nen gui kem tieu de bai viet Giam tieng on cho may tinh de lam tham khao. Bai viet nay thuoc chuyen de Tin Tong hop trong chuyen muc Cong nghe.

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