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Corsair LCD Screen not showing in iCUE - Red Triangle!


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I've built a brand new rig today with the Corsair h150i Capelli + LCD upgrade kit, but the LCD display isn't working. Currently it is just showing a red triangle with an eclamation mark. When the PC boots, it loads normally for a couple of seconds, showing the corsair boot animation and briefly showing the temperature at 0 degrees before becoming what it is.

At first it at least showed the LCD screen, but after fiddling about (removing it to install the capelli version first and updating firmware before reinstalling lcd), it was completely removed. It used to show up in the iCUE software but wouldn't have an option for the screen settings. I searched around and saw people suggesting forcing firmware updates, which I did, but they only failed. Upon restarting after force updating the firmware, the LCD would properly show in iCUE, but then my Commander Core T wouldn't show up which meant I had no PWM or lighting control over the front intake so they were running at ma speed and rather noisey.

I've tried swapping the USB connectors around and tried using splitters, but my motherboard only has two USB slots and I need three to account for the two Commander Cores and the LCD screen. Please reply with feedback to resolve this problem once and for all, otherwise the AIO just ecessively epensive for something without the screen.

Note: My >< key doesn't work (ecks) - sorry if it makes it hard to read bits.

Setup/LCD Display & iCUE:

https://imgur.com/a/ybW0Bt8

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  • Corsair Employees

If you see the following error icon, it means you are experiencing a general fault.

lcd_-_general_fault_error_icon.png

 

The general fault error type covers all errors that are not related to the pump. These errors are typically caused by the LCD not receiving any data from the Commander CORE.

If you bought the iCUE ELITE CPU Cooler LCD Display upgrade kit, you might run into this error because your Commander CORE has not been updated to the latest firmware that supports the LCD.

Try the following to see if any of the steps solves the issue:

Push down on the 20-pin that goes from the LCD module to the Commander CORE to make sure it is fully seated; the white stripe on the plug should align with the white stripe on the Commander CORE housing.


You also want to check the 20-pin to see if any of the pins are damaged.


Give the LCD cap a light push to make sure it is in full contact with the 8-pin.
NOTE: Make sure that you only do this when the cooler is powered off, since the pump loop is sensitive to voltage inrush and can be damaged if you push the cap when the power is on.
If you have another PC, connect the Commander CORE to that PC and use iCUE to force update the Commander CORE firmware to the latest version.
If you have checked the connections and are on the latest firmware, try a full power cycle by unplugging your PSU from the outlet, press the power button several times to ensure the power is fully discharged, then plug your system back in and reboot.
As a last resort, do a full uninstallation of iCUE to remove registry keys and all files from your %APPDATA% folder, then perform a clean installation of iCUE.
NOTE: You can save your current iCUE profiles by exporting the profiles onto your computer and then importing them again once you perform a clean reinstallation of iCUE.

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@Corsair Blade Things just escalated quickly. I followed each of the steps above, minus the one about plugging it into another pc since I don’t have another Pc, to no avail. I uninstalled Corsair iCUE following the steps above and replaced the LCD screen with the original capellix pump head. Strangely there was no lighting at all like it was not receiving power. I checked all the connections and they were fine. After booting into windows the fans went full tilt. I checked my cpu temps and it was at 100 degrees. The Commander Core was not showing up in iCUE and it was defaulting to the hardware settings.

To simplify: The pump is not spinning, the capellix was not lighting, and the commander core is not showing in iCUE at all after several restarts and a fresh reinstallation.

For Corsair products I’m quite disappointed by how difficult this is. It should be plug and play, but instead it’s going completely awol and it seems to be happening to many many people.

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Update: I’ve just tested both the CPU fan and pump headers and they both work perfectly well, but when I plug the aio into it, it doesn’t run. I even tested plugging the aio into a sys fan header but still reports 0 rpm everywhere I place it.

I can conclude, aio pump has died in not even 3 hours of use.

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  • Corsair Employees
On 4/16/2022 at 10:40 AM, jc2606 said:

Update: I’ve just tested both the CPU fan and pump headers and they both work perfectly well, but when I plug the aio into it, it doesn’t run. I even tested plugging the aio into a sys fan header but still reports 0 rpm everywhere I place it.

I can conclude, aio pump has died in not even 3 hours of use.

We recommend reaching out directly to the Technical Support team at this point -- please create a ticket at the URL below:

https://help.corsair.com/hc/en-us/requests/new

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  • 3 weeks later...

Ok so I also have this problem and will add my comments. I also recently built a high end pc and had the same problem. Cooler worked for week and then the triangle of death as I call it. I tried absolutely everything you have read on these forums to no avail. I then out of frustration bought a second cooler and replaced in the pc. A lot of expense I know. Exactly the same problem . So I did a clean install of windows and started again thinking it could be some software problem. Installed Icue and still the red triangle. 
So I reached out to Corsair and received great service. They sent me a replacement so I tried again with a third cooler. Complete new everything. And still the red triangle. I then again tried everything on these forums. Uninstalled Icue and reinstalled. Powered down etc. But with 3 coolers and the same problem I have finally come to realise it must be the cooler itself somehow and not anything to do with my pc build. Especially with so many other users experiencing the same problem. So I think now I will just go with another brand maybe as I can no longer put up with this triangle. Sorry Corsair I love the cooler and you were very helpful but I must admit defeat. If anyone else has something to add please free. :)

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