Hien tuong may tinh len nguon nhung man hinh van toi thui
Khi ban nhan nut khoi dong PC Gaming hoac Workstation, nghe ro tieng nhac chao mung cua Windows vang len tu loa nhung man hinh van hoan toan den thui, day la dau cho thay he thong phan cung co ban van dang hoat dong tot nhung qua trinh truyen tai tin hieu hinh anh dang bi gian doan. Day la mot tinh trang pho bien trong danh muc Sửa PC Gaming – Workstation, khien nhieu nguoi dung bo bieu nham lan giua viec hong man hinh va loi bo phan xu ly do hoa.
Phan biet loi do man hinh hay do VGA
De xac dinh chinh xac nguyen nhan gay ra tinh trang nay, ky thuat vien can dua vao cac dau hieu thuc te khi kiem tra thiet bi:
- Kiem tra man hinh doc lap: Thu bat menu OSD (menu cai dat truc tiep tren man hinh) xem panel co hien thi thong bao khong ket noi hay khong. Neu khong len hinh hoac den nguon khong sang, van de nam o chinh chiec man hinh hoac cap nguon man hinh.
- Kiem tra tin hieu VGA: Neu man hinh van hoat dong binh thuong khi cam sang thiet bi khac nhung van khong nhan tin hieu tu PC, kha nang cao loi nam o card man hinh (VGA), cong xuat hieu (HDMI/DisplayPort) hoac cap ket noi.
- Kiem tra den hieu tren mainboard: Nhieu bo mach chu co den debug LED hoac ma loi giup bao hieu tinh trang cua GPU va RAM trong qua trinh POST (Power-On Self-Test).
Cac nguyen nhan ky thuat pho bien tu phia card man hinh
Neu xac dinh loi xuat phat tu VGA, nguyen nhan co the den tu nhieu thanh phan phan cung ben trong:
- Loi tiep xuc khe PCIe: Chan dong cua card VGA bi bam bui ban hoac oxy hoa sau thoi gian dai su dung, khien mainboard khong nhan duoc tin hieu giao tiep.
- Loi nguon phu hoac nguon may tinh (PSU): VGA khong du dien ap de kich hoat nhan GPU xu ly hinh anh mac du mainboard va o cung van khoi dong binh thuong.
- Su co chipset GPU hoac bo nho VRAM: Loi mach in ben trong hoac ho mach do nhiet do qua cao trong qua trinh su dung lau ngay.
- Loi BIOS cua VGA: Thong tin khoi dong cua card bi loi hoac khong tuong thich sau khi cap nhat.
Cac buoc kiem tra va chan doan chuyen sau
Tai xuong ky thuat cua GPUCLEB, moi su co khong duoc ket lội voi vang ma phai trai qua quy trinh do kiem ro rang. Chung toi tien hanh ve sinh lai chan tiep xuc, kiem tra cac duong ap cap cho GPU, thu nghiem tren mot bo nguon va man hinh doc lap de loai tru tung nguyen nhan. Viec su dung cac thiet bi do chuyen dung giup xac dinh chinh xac linh kien nao dang gap su co ma khong anh huong den cac vung khac cua he thong.
Huong xu ly va giai phap sua chua
Tuy thuoc vao ket qua kiem tra thuc te, ky thuat vien se dua ra phuong an khac phuc phu hop nhat cho nguoi su dung:
- Voi loi tiep xuc hoac cap ket noi: Thuc hien ve sinh, thay the cap tin hieu chat luong tot hon.
- Voi loi linh kien phan cung tren mach VGA hoac mainboard: Tien hanh sua chua, phuc hoi duong mach hoac thay the linh kien bi hong sau khi co su thong nhat ve phuong an xu ly.
Lien he kiem tra va tu van thiet bi
Neu may tinh cua ban dang gap tinh trang bat len nghe tieng Windows nhung khong hien thi hinh anh va ban can mot giai phap xu ly minh bach, hay mang thiet bi den de duoc ho tro kiem tra truc tiep. GPUCLEB – 7/16/3 Lý Tế Xuyên, Linh Đông, Thủ Đức, TP.HCM. Hotline: 0904638531 (Khoa). Website: gpucleb.com.
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