Looking for any tips / tricks you have tried / been successful with to try and fix PCI and AGP retro graphics cards? Been testing a bunch and some have no video showing on post.....others in same MOBO displsy video with no issues so guessing not the mobo?
Al-Lytic caps are probably highest failure rate part in all of electronics and any past 15 years old are on the right side of the bathtub curve.
Bad tantalum caps are showing up more and more often. Used to only come across that every few years. Now it's several times a year.
Bad RAM on a video card isn't that uncommon.
Inspect all the ICs (including MOSFETs) looking for cracks or pits or shiny melted spots.
Look for places where scratches have broken traces or any other physical damage.
Look for cold solder joints.
Try replacing the thermal paste.
For AGP make sure the card is compatible with the slot.
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