UCM-UCSI ACPI Device Error 43 after Windows 11 and Firmware update (2024)

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UCM-UCSI ACPI Device Error 43 after Windows 11 and Firmware update

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UCM-UCSI ACPI Device Error 43 after Windows 11 and Firmware update (3)

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UCM-UCSI ACPI Device Error 43 after Windows 11 and Firmware update (5)

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UCM-UCSI ACPI Device Error 43 after Windows 11 and Firmware update (6)

FatherJack82

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‎09-09-202207:38 PM

UCM-UCSI ACPI Device Error 43 after Windows 11 and Firmware update (7) HP Recommended

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Product: HP ENVY x360 Laptop - 13-ay0106au

Operating System: Microsoft Windows 11

It's happened to me as well... The dreaded UCM-UCSI fault.

So far I have:

- uninstalled and reinstalled the device

- uninstalled and reinstalled all system USB drivers

- manually installed alternative UCM-USCI drivers (didn't work either)

- attempted to rollback the firmware update (will not allow me to rollback prior to F.21)

- did a fresh reinstall of the F.21 firmware

I cannot think of anything else to do, and I cannot find F.15 or F.19 firmware versions to try and force a rollback and clean F.21 reinstall.

At my wits end. Any help would be greatly appreciated.

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  • HP ENVY x360 Laptop - 13-ay0106au
  • Microsoft Windows 11

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4 people had the same question

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UCM-UCSI ACPI Device Error 43 after Windows 11 and Firmware update (8)

UCM-UCSI ACPI Device Error 43 after Windows 11 and Firmware update (9)sandytechy20

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‎09-21-202208:54 AM

UCM-UCSI ACPI Device Error 43 after Windows 11 and Firmware update (10) HP Recommended

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@FatherJack82

Welcome to the HP support community.

I understand that you are getting UCM-UCSI ACPI Device Error 43, I am glad to assist you.

  • Unplug your charger from your laptop.
  • Open Device Manager (Use Task Bar search by typing Device Manager).
  • Go to the USB Connector Managers and then hit drop down so UCM-UCSI ACPI Device appears.
  • Right click over UCM-UCSI ACPI Device and hit Uninstall Device (If an option saying Delete with a check box appears next to it DO NOT check/tick the box! We only want to uninstall it not delete it!) Confirm the uninstall when it asks.
  • Shut down and switch on your laptop/computer, don't restart as it doesn't work just doing that (Make sure to leave your charger unplugged)
  • Go to Device Manager again and check if issue has resolved. If it has then you can

Let me know how it goes.

If this helps, please mark the public post as an accepted solutionso that it benefits several others.

Cheers.

Sandytechy20
I am an HP Employee

1 person found this reply helpful

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UCM-UCSI ACPI Device Error 43 after Windows 11 and Firmware update (11)

viip

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‎10-26-202202:39 PM

UCM-UCSI ACPI Device Error 43 after Windows 11 and Firmware update (12) HP Recommended

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Hello!

Encountered the same problem and this solution di not work for me. IS there anything else that I could do to resolve this issue?

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UCM-UCSI ACPI Device Error 43 after Windows 11 and Firmware update (13)

jpzib

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‎11-13-202202:09 AM

UCM-UCSI ACPI Device Error 43 after Windows 11 and Firmware update (14) HP Recommended

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I have the same issue.UCM-UCSI ACPI Device Error 43

removed, shut down restarted but not fixed. I have no USB c/thunderbolt connectivity. unable to connect with HP dock.

Any advice welcome

Thanks

1 person found this reply helpful

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UCM-UCSI ACPI Device Error 43 after Windows 11 and Firmware update (15)

OO13

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‎11-13-202202:37 AM

UCM-UCSI ACPI Device Error 43 after Windows 11 and Firmware update (16) HP Recommended

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Hey,

I tried all the methods people were listing on the internet but none of them worked. I think the glitch was corrected in the next update. Everything started to work the next day.

So sadly no immediate solution, just to wait it out.

Best of luck!

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UCM-UCSI ACPI Device Error 43 after Windows 11 and Firmware update (17)

CakCaww

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‎12-30-202202:38 AM

UCM-UCSI ACPI Device Error 43 after Windows 11 and Firmware update (18) HP Recommended

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I would like to add, unplugging all USBC devices before shutting down and reconnecting them after signing in had better results than doing it whilst leaving them connected.

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UCM-UCSI ACPI Device Error 43 after Windows 11 and Firmware update (19)

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UCM-UCSI ACPI Device Error 43 after Windows 11 and Firmware update (20)

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    UCM-UCSI ACPI Device Error 43 after Windows 11 and Firmware update (2024)

    FAQs

    How to fix ucm ucsi acpi device error? ›

    Expand the "System devices" category, right-click on "UCSI ACPI Device" and select "Update driver". Reset the UCSI driver: In the Device Manager, right-click on "UCSI ACPI Device" and select "Uninstall device". Then restart your computer. Windows should automatically reinstall the driver.

    How to solve code 43 in Windows 11? ›

    The Code 43 error can be solved by disabling and re-enabling the problematic driver. To do so, follow these steps: Press Windows + X > select Device Manager. Scroll through the list of drivers if you can't see any problematic drivers.

    What does Windows has stopped this device because it has reported problems code 43 mean? ›

    This error occurs when your graphics device driver has notified Windows that the device isn't working properly. This may mean that the device has a hardware problem, or that the driver or driver software is failing.

    What is error code 43 on HP USB C? ›

    What is the code 43 problem in USB? Sometimes you may see this error message: Windows has stopped this device because it has reported problems (Code 43). This usually means that the driver (which does NOT come from Seagate; this driver comes from Windows) has lost communication with the drive or the driver has crashed.

    How do I reset my UCM UCSI ACPI device? ›

    Press and hold the power button for about 20~30 seconds, then reboot the computer and check whether UCM-UCSI ACPI device is back to normal.

    What is UCSI in BIOS? ›

    Microsoft provides a USB Type-C® connector system software interface (UCSI) specification-compliant driver for ACPI transport. If your design includes an embedded controller with ACPI transport, implement UCSI in your system's BIOS/EC and load the in-box UCSI driver (UcmUcsiCx.

    How do I bypass Windows Code 43? ›

    Installing the new drivers for the device will likely fix the code 43 error. Step 1: Go to "Search," type Device Manager, and select "Device Manager." Step 2: Find the troubled device, right-click and select "Properties." Step 3: Click "Driver" and select "Update Driver."

    How to reinstall device drivers? ›

    To open Device Manager, search for it in the Start Menu or type “devmgmt. msc” in the Run dialog. After opening Device Manager, locate the device whose driver you want to reinstall, right-click on it, and select Uninstall Device. Then click Action > Scan for hardware changes to reinstall the driver for the device.

    What is error code 43 on CPU? ›

    Error code 43 is related to a problem with the driver or hardware, if the problem persists by reinstalling the driver or rolling back the driver, it is a problem with the GPU.

    What is code 43 on network adapter? ›

    Code 43 wireless is an error code that shows a problem with the wireless device or its driver. It means that Windows has disabled the device because it has detected some kind of issue.

    What code is 43? ›

    Austria Country Code 43 - Worldometer.

    What is error code 43 on Intel Management Engine Interface? ›

    Error Code 43 can be caused by hardware problems or driver or settings corruption. To address this issue, we recommend performing a clean install of latest graphics drivers provided by the system manufacturer, since these drivers are customized.

    What is error code 39 on USB ports? ›

    Uninstalling and then reinstalling the drivers for the device that's experiencing the error is a likely solution to this problem. If a USB device is generating the Code 39 error, uninstall every device under the Universal Serial Bus controllers hardware category in Device Manager as part of the driver reinstall.

    What is code 42 USB error? ›

    This error occurs when a bus driver incorrectly creates two identically named sub-processes (also known as a bus driver error), or when a device with a serial number is discovered in a new location before it is removed from the old location. Odds are a simple reboot should fix your problem here.

    What causes ACPI error? ›

    This can happen because of a failed BIOS update or other software/hardware issue. Hardware conflict: In some cases, hardware conflicts can cause ACPI BIOS errors.

    How do I reset my ACPI? ›

    Resetting API keys for all users

    In the admin menu, click Administration, and then click the Security settings link. Scroll to API keys and click Regenerate keys. Site Factory will create tasks to regenerate the keys for all users.

    How do I fix my ACPI driver? ›

    How Do I Fix the ACPI BIOS Error In Windows
    1. Update BIOS. ...
    2. Update The BIOS Driver. ...
    3. Disable Ahci From the System BIOS. ...
    4. Disable JPME1 and Reflash BIOS. ...
    5. Update All System Drivers. ...
    6. Uninstall Microsoft ACPI-Compliant Control Method Battery Driver. ...
    7. Set ACPI Mode to S1. ...
    8. Utilize Windows Startup Repair.
    Feb 16, 2023

    How do I reinstall Microsoft ACPI? ›

    Expand the "Batteries" category. Right-click on "Microsoft AC Adapter" and select "Disable device." Right-click on "Microsoft ACPI Compliant Control Method Battery" and select "Disable device." Right-click on both devices again and select "Enable device."

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