No instructions are included with the tester. I found 3rd party instructions online and got it working properly. The P4 line from the power supply must be connected to get a good reading on the display. BUT I still don't light up 3 leds when I use the tester. As far as I know it doesn't work 100%.
Zalman Performa Performance Powerful Included
172 Review
๐ Power Up Your Gaming Rig with AMD Ryzen 5 2600 Processor with Wraith Stealth Cooler - YD2600BBAFBOX
116 Review
Seagate Barracuda 1TB HDD ST1000DM003
93 Review
๐ฌ๏ธ Silent Cooling Power: Dark Rock Pro 4 CPU Cooler with 250W TDP, BK022
134 Review
uxcell 3.5" HDD Screw Black 200pcs for Computer PC Case - Flat Phillips Head - 6#-32 - Hard Drive Fasteners
10 Review
Glarks 660 Pieces Phillips Assortment Motherboard
10 Review
36-Pack Black Rubber PC CPU/Case Fan Screws/Rivets Set for Computer
11 Review
M.2 Screw Kit: Easy Mounting for NVMe SSDs on ASUS Motherboards
19 Review