GIGABYTE-H61m-DS2DVI motherboard's boot fan will stop after one turn,switch will not display,Restart repeatedly, CH _ VRMPRGD will not have VCC, replace DQ16 and troubleshoot.
EMB-6011 motherboard didn't respond when it was turned on.no power on was powered on, and it was found that the missing parts of C101 Capacitor were the cause. If Capacitor was added, the startup was normal.
AMD Radeon RX588 graphics card fan turns, and the display is not bright. Replace two video memory chips, and the display is normal.
Galax gtx960 graphics card does not light up, does not recognize the graphics card, and there is no B2 in the diagnosis card. Replace the MOS tube whose video memory power supply on signal is damaged, and the display is normal.
RX580 graphics card does not have booting up, but the computer graphics card does not block B2, and there is an error in two channels of video memory C and D,PAD Jump wire, and the display is normal.
Colorful GTX1050 graphics card sometimes displays when it is turned on, and sometimes it doesn't display. The measurement found that Q584 was damaged, and the display was normal after replacement.
The main board of Gigabyte H61m-DS2 was started with auto power off, the waveform was measured by oscilloscope, the fault point was found, and it was successfully repaired after replacement.
GTTAN X graphics card will display a white screen as soon as it is turned on to the desktop, and sometimes the white screen will be stuck when it can be turned on to the system. Replace two MOSFET, and the display will be normal.
Gigabyte GTX970 graphics card runs 3DMRAK screen is black or frozen, and the white screen restarts, filling up three small Capacitor, and the display is normal.
