Gigabyte-H61M-S1 motherboard Won't Turn On,auto power off, the oscilloscope caught the waveform and found the fault point. After replacement, it started normally.
COLORFUL B150M-K motherboard no booting doesn't display, and there are three common fault points and maintenance ideas, which can quickly solve the problem.
EMB-6011 motherboard does not display when it is turned on, and CPU VCC does not appear. The oscilloscope measures the waveform to find the fault point, and the display is normal after replacing the small components.
Gigabyte ga-h110m-s2 motherboard is not powered on, and five common faults are quickly detected and repaired.
ASUS h81m-ct motherboard starts up, CPU fan turns and stops, the motherboard can enter the startup screen after the temperature is high, power off and restart from time to time, and the oscilloscope can quickly find the fault point by measuring the waveform.
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.