故障:开机严重花屏,无法看清字符
修复过程:市场上买来的废卡,以前点不亮,刷BIOS后可以点亮,但花的看不清字符,当时脑中闪过很多想法GPU空焊,供电故障,显存或是GPU挂了,不想那么多先测试,盲测完了进系统看到如下报错
R350 (0x4148) detected.
128M video memory.
Test suite ran 1 of 1 times.
Checking test status array ...
接下来CO区[7 ] Macro + Micro8x2 tiling read : FAIL
Error ID G0VC006
1024 x 768 - 32 bpp ( 60 Hz): TEST FAILURE
failing bit : MDD0 0 1 2 3 4 5 6 7 ...
在加焊DO区,结果如下
R350 (0x4148) detected.
128M video memory.
Test suite ran 1 of 1 times.
Checking test status array ...
[7 ] Macro + Micro8x2 tiling read : PASS
No failures detected.