maharajmeister
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Hello After a replacement of some components in my computer, it did not start properly The system consists of: Graphics card- EVGA 3080 XC3 Black CPU Ryzen 7 5800x Motherboard Gigabyte X570 AORUS PRO
Memory G.Skill 32GB (2x16GB) DDR4 3600MHz CL16 Trident Z Neo C PSU- Corsair SF750 All D-RGB is controlled on the motherboard The entire system is water-cooled with 2 radiators with 8 Lian Li Uni 120mm fan controlled by Lian Li external controller The Water pump is an EK-DDC 3.2 PWM (12V PWM pump) in its reservoir housing controlled by the motherboard Monitor ASUS XG279Q Strix Monitor Everything works just as it should The problem just arises when I replace this EK-DDC PWM pump with a newly purchased EK Quantum D5 PWM pump and a separate EK-Quantum Volume FLT 120 D-RGB reservoir. I did the leak test and the pump work. When I connected all the D-RGB cables and to the 24pin connector to the motherboard and turned on the computer, neither the keyboard, mouse show any lights and the monitor has no display I debugged by disconnecting all cables without display port cable to the screen nothing, tried HDMI cable nothing I removed the CMOS battery and plugged it in again no difference, I disconnected all cables in different rounds, fans work, DDR4 memories light up and the pump works but no lighting from the keyboard and mouse and no picture on the monitor I unmounted when the graphics card removed the water block and checked for faults on the circuit board, nothing visible I did a CMOS reset on the motherboard, the mouse and keyboard start flickering at startup with then nothing I connected the mouse, keyboard, and screen to a laptop and they work I then changed the CMOS battery, same issues An online search indicates that either the power supply or the motherboard has stopped working I bought a new Corsair SF750 PSU och plugged it in, no changes The keyboard and mouse lights light every now and then then stop I really really hope it's the motherboard fault and a power delivery issue and hope to god it's not my EVGA graphics card!!
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GTXMan
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Re: Help help , no picture or keyboard or mouse after water pump change!! EVGA 3080 XC3 Bl
2021/09/20 12:58:38
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What is the POST code on the motherboard after you power up?
Current rig: DCS4VR 3.0Thermaltake Core P5 || 7700k + Aquacomputer Kuplex Cryos NEXT w/ VISION || EVGA XC Gaming 2080Ti + EK Vector block/backplate || G-Skill Trident Z 32GBs DDR4-4000 || ASUS Maximus IX Code || LG 38GL950G-B|| Logitech G900 || Sony WH1000-XM4 || VIVE Pro
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maharajmeister
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Re: Help help , no picture or keyboard or mouse after water pump change!! EVGA 3080 XC3 Bl
2021/09/21 10:29:55
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That particular motherboard does not indicate postcode I am seriously thinking about an RMA to EVGA Need to read up the criteria
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the_Scarlet_one
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Re: Help help , no picture or keyboard or mouse after water pump change!! EVGA 3080 XC3 Bl
2021/09/22 06:29:45
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☼ Best Answerby maharajmeister 2021/09/23 14:43:21
So far, everything indicates that something is going on with the motherboard, so why are you saying that you are thinking of RMAing your graphics card?
I am going to move this to general hardware for the time being, as nothing indicates an issue caused by the GPU.
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maharajmeister
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Re: Help help , no picture or keyboard or mouse after water pump change!! EVGA 3080 XC3 Bl
2021/09/23 14:49:22
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Thanks for moving this post But I recently bought a new X570 basic motherboard, Gigabyte X570 Gaming X did a basic plugin: keyboard, mouse, fan on the CPU. Same results, no picture, no rgb on the keyboard and mouse. I do get three red LED lights on the GPU card on start, very quick, the gpu gets warm. But nothing, nothing GPU kapoot?
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the_Scarlet_one
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Re: Help help , no picture or keyboard or mouse after water pump change!! EVGA 3080 XC3 Bl
2021/09/23 15:40:58
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☄ Helpfulby maharajmeister 2021/09/24 06:27:42
It doesn’t make any sense. If the GPU was the issue, the Mouse and Keyboard should still light up properly. The mouse and keyboard aren't controlled by the GPU.
The three lights on the GPU lighting up briefly shouldn’t be an issue, if they are staying on it would be an issue.
If you boot the motherboard. Without the GPU installed, do the keyboard and mouse light up properly?
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maharajmeister
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Re: Help help , no picture or keyboard or mouse after water pump change!! EVGA 3080 XC3 Bl
2021/09/24 06:31:17
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MMmmm I will try this when I get home I have changed the PSU, the motherboard, tried different combinations of the memory, one and two sticks Is my Ryzen 7 5800x at fault? Or are both memory sticks faulty?
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maharajmeister
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Re: Help help , no picture or keyboard or mouse after water pump change!! EVGA 3080 XC3 Bl
2021/09/24 10:44:00
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Update I just put in two new memory sticks, same brand and speed as above. Even tried a brand new Corsair 850w PSU. No picture. I’m going to put in a new Ryzen 5 5600G, see what happens. I’m giving up and trying to RMA this card. I’ve booked a RTX 3070.. If I can’t, it will be the most expensive EVGA 3080 XC3 Black paper weight
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maharajmeister
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Re: Help help , no picture or keyboard or mouse after water pump change!! EVGA 3080 XC3 Bl
2021/09/25 15:29:07
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Update I just installed a Ryzen 5 5600G with the built-in AMD graphics reverted to my original components m Memory G.Skill 32GB (2x16GB) DDR4 3600MHz CL16 Trident Z Neo C motherboard Gigabyte X570 AORUS PRO and PSU I get a display on!! with HDMI connected to the motherboard and not with the display port connected to the graphic card. Keyboard and mouse working Actually there is no display at all whilst the graphic card is connected to the PCI slot. Nada nothing. I have to physically remove the card from the PCE 16 slot then restart to get a display on the screen from the HDMI connection. Even with IGPU forced in bios I can try different PCI settings in the BIOS, but I think there is short somewhere on the card and so no longer working
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