Tai sao CPU bao usage 100 2

Doi luc toi co cam giac may tinh cua toi (IBM P4) chay cham va toi kiem tra Window Task Manager thi thay CPU usage chay 100% nhung ngay sau do xuong con vai % trong luc toi chi mo mot hoac hai chuong trinh thoi. Hien tuong nay co nghia la nhu the nao? Lam sao de khac phuc? Mong cac ban chi giup. Xin Cam on.

Tao Quan

Hoi am:

Dieu nay rat binh thuong, khi ban chay mot chuong trinh, du kha nho, thi CPU deu co mot "xung" kha cao (hau het deu la 100%), tuy nhien xung nay chi ton tai trong vong chua den 1 giay, sau do CPU se hoat dong o che do "thuc". So di ban thay su hien thi 100% do ton tai khoang mot giay la vi bieu do do duoc cap nhat moi giay mot lan (normal). Ban co the thay doi toc do nay o View -> Update Speed. Ban than Task Manager cung la mot chuong tinh va vi the khi ban chay no (bang cach nhan Ctrl+Alt+Delete chang han) thi dieu nay cung xay ra. Noi tom lai, khong co gi dang ban tam ca.

Dong Ngo

Ban Quan than men, may bao CPU usage 100% thuong xay ra khi ban dang chay nhung chuong trinh lien quan den graphic hinh anh nhu autocad, adobe, game, va nhat la render video - Adobe Premier- Pinaccle. Ban co the thu vua choi game "pinball" tren Win XP vua xem CPU usage performance len xuong nhu the nao. Day la truong hop binh thuong khi CPU len 100% sau do xuong con vai phan tram. Con nhu truong hop CPU thuong xuyen o muc 80% den 100% mac du ban khong chay gi ca, thi nhu the may ban dang co van de, mot la bi nhiem virus, hai la co qua nhieu chuong trinh chay trong Windows Startup (de thay nhat la co nhieu icon trong tasbar- goc phai tan cung phi duoi). Neu vay, nen khoi dong may trong Safe Mode. Bam F8 trong khi may dang khoi dong truoc khi WinXP logo xuat hien. Scan virus toan bo hard driver - tat ca cac files - de loai bot chuong trinh khong can thiet trong Windows Startup. Click Start Run, danh lenh msconfig , xong Enter/ click Startup / ban se nhin thay hau het cac chuong trinh tren tasbar co mat trong nay. Check bo nhung chuong trinh khong can thiet nhu yahoo messenger, kazaa, chat line, quang cao, real audio. Neu khong biet thi nen bo tung cai mot roi khoi dong may. Neu thay binh thuong thi bo tiep cai khac.

Thien My