Khac phuc cac su co am thanh trong may tinh

Tags: Windows XP, Audio Balance Control, khoi dong lai he thong, tien hanh kiem tra, tai lieu huong dan, dam bao chat luong, tren may tinh, thiet bi trong, trong may tinh, vo hieu hoa, am thanh, Sound card, khac phuc, xay ra, cai dat, ban


Khong co am thanh; truoc co am thanh nhung nay bi mat; truoc nghe hay nhung nay nghe do hoac bi bien dang; am thanh van phat tu cac file tren o cung nhung tu CD thi khong; am thanh bi mat tren mot so kenh...

Hau het nhung su co ve audio trong he thong may tinh phat sinh tu viec gan rap sai cap, sai khe cam, cai dat driver khong dung phien ban cua nha san xuat hoac do xung dot phan mem trong he thong. Neu su co audio xay ra mac du ban chua he dung cham gi den he thong (cai dat them pham mem, virus...) thi nguyen nhan co le xuat phat tu cho ket noi voi mainboard (card roi) hoac do viec loi van hanh (chinh am luong sounds ve 0 hay chua cam day loa).

Mat khac, van de ve audio cung thuong xay ra khi ban lap dat mot card roi hoac khi ban tien hanh cau hinh lai he thong, nang cap driver tong the thiet bi dan den xung dot. Moi khi gap su co ve audio, ban hay binh tinh va tien hanh kiem tra theo tung buoc liet ke duoi day, rat co the su co se duoc khac phuc mot cach de dang:

1. Kiem tra xem Volume cua he thong co dang o muc 0% khong?

2. Shutdown va Restart lai he thong. Co the Windows se tu sua duoc loi nay.

3. Shutdown va tat nguon, kiem tra lai day ket noi tu loa den lo cam tren mainboard, day cam nguon loa, cong tac nguon cua loa phia sau, num Volume cua loa...

4. Thong thuong cac sound card deu di kem trinh kiem tra thiet bi trong driver. Khoi dong no len va tien hanh kiem tra hoan chinh.

Neu su co xuat hien sau khi ban cai dat mot he thong moi, hoac ban thay mot sound card khac hoac nang cap sound card thay cho sound onboard:

1. Xac dinh loa da duoc ket noi dung jack va phan tiep xuc giua card va main. Da vo hieu hoa sound onboard chua?

2. Xac dinh chinh xac mot lan nua rang card ban vua gan co tuong thich voi mainboard hien tai khong, thong qua tai lieu huong dan di kem. Tat ca nhung thiet bi khong duoc liet ke trong do co the khong dam bao tuong thich.

3. Remove driver, khoi dong lai he thong va cai driver lai lan nua tu dia driver di kem main hoac sound card.

4. Remove driver, shutdown may tinh, gan sound card sang mot cong PCI khac, tien hanh cai dat driver va nhan dien lai thiet bi binh thuong.

5. Cuoi cung neu van khong co ket qua thi co the driver cua ban khong dung voi sound card. Neu do la driver di kem trong bo sound card thi nguyen nhan con lai la sound card bi loi, ban can dem den noi bao hanh de duoc kiem tra, sua chua.

Neu su co xay ra trong khi he thong dang hoat dong tot truoc do:

1. Co the ban da install them mot software nao do gay xung dot. Nguyen nhan la do cac thanh phan .dll trong software do khong tuong thich voi audio adapter, hoac no cai de, remove mat file .dll cua audio adapter. De khac phuc ban hay thu remove driver cua audio adapter va tien hanh cai lai driver.

2. Sau khi ban cap nhat driver cho rat nhieu thiet bi trong he thong hoac cap nhat them mot thiet bi nao khac dan den xung dot voi audio adapter trong he thong, ban cung tien hanh tien hanh cai lai driver cho audio adapter. Neu van khong duoc ban phai remove tat ca driver vua cap nhat va cai lai nhung ban cu on dinh hon.

3. Cuoi cung van khong khac phuc duoc su co thi van de thuoc ve phan cung, sound card bi hong trong qua trinh su dung (rat it khi xay ra).

Am thanh tren may tinh van phat nhung CD thi khong:

Am thanh tren may tinh la am thanh ky thuat so, duoc truyen truc tiep den audio adapter thong qua bus. Mot vai o dia CD-ROM the he cu doi hoi phai co day ket noi ben trong tuc ngo audio-out phia sau o CD-ROM den ngo ket noi am thanh tren mainboard (doi voi nhung o CD-ROM hien nay thi khong can).

Neu ban khong co san day de ket noi thi co the khac phuc tam thoi tinh huong nay bang cach dung jack 3 li cam vao ngo headphone tren o CD-ROM va cam truc tiep vao cong Line-in tren audio adapter.

Mot so kenh (channel) khong phat am thanh:

1. Kiem tra xem Audio Balance Control trong muc Sounds & Device co bi lech sang mot phia hay khong, no nen duoc nam o giua de dam bao phat dong deu moi kenh.

2. Kiem tra jack noi giua loa (hay headphone) voi Out-line cua audio adapter, viec jack cam long co the dan den viec loa khong nhan du tin hieu de phat day cac kenh.

3. Ban dang su dung mot jack noi, dau chuyen mono, cac jack chuyen doi, noi dai, 2 li (mm) sang 3 li, hay 3 li noi dai... Co phan biet 2 loai: mot loai dam bao chat luong khong doi, mot loai chi dat duoc chat luong mono sau khi ket noi, chuyen doi.

4. Driver thiet bi chua duoc cai (mac dau Windows XP co thu vien driver rat lon nhung no khong the nao day du cho moi thiet bi phan cung luon duoc cap nhat), hoac cai khong dung phien ban. Cai bo sung hoac cai lai cho hop ly. Khoi dong lai may de xem ket qua.

5. Mot ly do rat hiem khi xay ra nhung cung phai ke den do la viec ampli hay loa bi hu mot kenh, mac dau nhung kenh con lai van hoat dong.

(Theo Khoa Hoc Pho Thong)

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Tìm hiểu: Windows XP, Audio Balance Control, khoi dong lai he thong, tien hanh kiem tra, tai lieu huong dan, dam bao chat luong, tren may tinh, thiet bi trong, trong may tinh, vo hieu hoa, am thanh, Sound card, khac phuc, xay ra, cai dat, ban

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