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PCIe Test Card detected in Device manager, but still with a "yellow exclamation mark"

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  • PCIe Test Card detected in Device manager, but still with a "yellow exclamation mark"

    Hi,

    My PCIe Test Card is detected in Device manager, but still with a "yellow exclamation mark", and the device isn't detected the "PCIe Test".

    There are also red leds on the device. Click image for larger version

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    I need some help, please
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  • #2
    Make sure you have installed the device drivers. The installation process is covered in the install guide. If Windows did not prompt you to install drivers, you can right click the device in device manager and choose Update Drivers and then browser to location on your system where you have them downloaded.

    Some BIOS implementation allow enabling of a power management protocol named Active State Power Management(ASPM) which sends the card into low power mode before loading the operating system. Make sure Active State Power Management is disabled in BIOS.

    There are also red leds on the device.
    The Molex/SATA power only needs to be connected if you wish to measure the +12V and +5V PSU rails. When not connected, you can expect the red 'Power Fail' and green 'Power' LEDs corresponding to these rails to be lit up and off, respectively.

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    • #3
      Purchased the same exact card and having the same problem. Can somebody please help? Thank you.

      Manually loaded Windows 10, 64 bit driver

      pic1
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      After completion of load received following error message
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      Rebooted windows and examined Device Driver events, following was reported.
      pic3


      Click image for larger version

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      • #4
        This sounds like a registry issue. Please remove (delete) the device driver and reinstall it.
        If the above didn't help, you may need to delete both upper and lower filters from the registry under Computer>HKEY_LOCAL_MACHINE>SYSTEM>CurrentControlS et>ControlClass>{2C821652-B4DC-4FFE-8BE6-EC699997DBD5}. It is recommended to create a registry backup first.
        Last edited by HamidK (PassMark); 07-06-2021, 01:59 AM.

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        • #5
          Thank you for your suggestion, tried uninstall / reload of driver followed by checking Device Manager. Device Manager looks like it installed the driver in system32 when I selected Windows 10 64bit driver (please see following). Is there a way to verify the 64 bit driver in the 64bit folder?

          Can you please highlight what needs to be deleted from the registry? Thank you,



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          • #6
            The system32 folder is the correct location for Drivers (even 64bit drivers). So it looks OK now.

            32bit drivers will never install on a 64bit system.

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            • #7
              Thank you for your response. Still have problem with driver and PCIe Test card, please see following. How can I fix this problem so I can start using the PCIe test card?

              Click image for larger version

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              • #8
                As your question is the same as the previous question, the answer is still the same.

                What changed between the time it was working and not working? Or is this a whole different machine?

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                • #9
                  Thank you for your continued assistance, the issue I'm is that the driver loads but can't locate the card. This morning I removed all PCIe cards except the PASSMARK PCIe card and tried to update the driver, the following pictures document the problem.

                  Step 1




                  Step 2



                  Step 3



                  ​ ​​

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                  • #10
                    I am not sure how you inserted the images in that last post. But it didn't work. We can't see them.

                    Comment


                    • #11
                      ​​Not sure what happened, performed the same process as before and previewed before post.

                      Pic 1

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                      Pic 2

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                      Pic 3

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                      • #12
                        Please see previous post. When I attached this picture to the previous post it prevented creation of the preview, so I'm sending it on its own.

                        Click image for larger version

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                        • #13
                          What changed between the time it was working and not working? Or is this a whole different machine?

                          On this machine did you also try to uninstall / re-install the driver?

                          We are a bit confused here, as you posted a picture of it working.

                          Also that is a pretty funky looking PCIe back plane extension. What it is exactly?
                          Did you try the card directly on a motherboard PCIe slot? Maybe it is having problems communicating with the card via the back plane extension thing.

                          Comment


                          • #14
                            Thank you for your continued assistance.

                            Nothing has changed, this is the same machine. I have tried multiply times to Uninstall / Install the driver for the PCIe card. After each attempt / reboot the Yellow triangle with ! has been present. If you examine PIC2 on my first post (COMPLETING THE ADD HARDWARE WIZARD) it stated that the hardware is not working because Windows can not locate the drivers. I tried again to Uninstall / Install the driver, please see below screen shots for results. The PASSMARK PCIe card purchased has been installed in the PCIe connector being used with the working GPU to insure that the PCIe slot is good.

                            My funky looking PCIe back plane is a testbed I'm trying to setup for troubleshooting an older GPU. I'm using it to record signals present on a working GPU so I can troubleshoot a defective GPU.

                            pic 2a

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                            pic 2b

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                            • #15
                              Please follow the below procedure to delete and reinstall the driver.
                              1- Uninstall (delete) the driver
                              2- Delete the following folder from the registry (see the attached screenshot).
                              HKEY_LOCAL_MACHINE>SYSTEM>CurrentControlSet>Contro l>Class>{2C821652-B4DC-4FFE-8BE6-EC699997DBD5}. It is recommended to create a registry backup first.
                              3- Reboot the machine
                              4- Install the device driver

                              The PASSMARK PCIe card purchased has been installed in the PCIe connector being used with the working GPU to insure that the PCIe slot is good
                              This doesn't really make it any clearer about what slot was used.
                              Did you try the card directly on a motherboard PCIe slot? Maybe it is having problems communicating with the card via the back plane extension.


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