This specific PSU/MB pairing is no longer functioning correctly.
This specific PSU/MB pairing is no longer functioning correctly.
Opt for refurbished models instead of buying new. High-quality 750/850W gold units such as the RM(x) are typically priced between $40 and $60 used. Additionally, there are more affordable options available in the used market.
It might be related to another cable or hardware component besides the power supply or motherboard, and the PSU isn't turning on due to a fault elsewhere. Could be an issue with the CPU or PCIe cable. Make sure all the cards are correctly installed in the original system.
Do you believe your other two PSUs would not be affected by this? They functioned properly even with the graphics card installed. For testing purposes, I also excluded the graphics card as a variable. The mb only had a 4-pin CPU and an ATX 24-pin connection. Edit: Yes, I think all cables are in good condition.
I considered testing only PSU and MB, which could hide issues from another hardware component. If you're sharing the same drive, cards, RAM, etc., your test is thorough. Then I'd reset the BIOS to rule out voltage problems, since only the PSU might react. I also assume you're using the identical case and have removed the power switch as a cause.
You were correct. I found it on the motherboard and power supply unit, but only in that particular setup. With different PSUs, the motherboard functions properly, and vice versa. This case is unique—never experienced such a situation before. The BIOS had to be reset several times. I was trying to get some RAM to work.
This implies the initial PSU functions properly even after connecting another cable for grounding.
The entire system starts at least when it detects a green connection to ground and the power case button is pressed. The operating system runs without issues. No additional tests were conducted.
I placed an order for a refurbished Thermaltake with the identical model number, and the PC is now functioning properly. Someone, could you help figure out what to check next? It seems like the power supply unit is likely the problem, even though the PSU itself operates correctly. The issue appears to be with the mainboard's ability to activate it.