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[Diabolik73]

I can't use SSD NVME in Thunderbolt Port of my laptop. I put SAMSUNG 990 EVO PLUS m2 2TB in a case Thunderbolt 40gbps using a type-c cable. I'm using both thunderbolt port of my laptop.

The device blink for a pair of seconds, windows beeps for try usb connection, then fail with a beep, disconnect e retry connect. So loop without ending, connect and disconnect.....

I tried the external device on my business dell pc and WORKS WELL!!

Help!

[Garp_senchau]

@Diabolik73, Welcome to HP Support Community,

Thank you for posting your query; I’m here to help by guiding you through steps to resolve this issue

It sounds like you're encountering an issue with connecting your SAMSUNG 990 EVO PLUS 2TB NVMe SSD via a Thunderbolt enclosure, and your laptop isn't recognizing it properly. The issue of connecting and disconnecting in a loop could stem from several potential factors like power supply, driver issues, or incorrect setup. Here's a step-by-step troubleshooting guide you can try:

Check Thunderbolt Compatibility & Settings

Verify Thunderbolt Support: Ensure your laptop has full support for Thunderbolt 3 or Thunderbolt 4 and that it’s enabled in the BIOS/UEFI.

Ensure Thunderbolt Drivers are Updated: Outdated drivers can cause problems with recognizing connected devices.

Go to Device Manager (press Windows + X and select Device Manager). Expand the "System devices" section and check for Thunderbolt Controller. Right-click and select Update driver to ensure it's up to date.

Check SSD Enclosure and Connections

Verify Enclosure Compatibility: Double-check that your NVMe SSD enclosure is specifically designed for Thunderbolt and is compatible with your laptop. Not all USB-C enclosures support Thunderbolt speeds.

If you have another Thunderbolt-compatible device, try connecting it to ensure that the Thunderbolt port on your laptop works correctly.

Inspect Type-C Cable: Ensure that the Type-C cable you're using is Thunderbolt-certified (not just USB-C). Some USB-C cables are limited in data speeds and power delivery, which may cause connection issues.

Power Issues

Ensure that the enclosure has an external power supply, if it requires one. If it doesn't, try connecting the enclosure to a USB-C port that provides more power or consider using a powered USB-C hub.

A continuous power cycle (disconnecting and reconnecting) can occur if the SSD or enclosure isn’t getting enough power. It’s worth trying a different port or even a powered hub.

USB and Thunderbolt Settings in Windows

Disable USB Selective Suspend:

Go to Control Panel > Power Options > Change plan settings > Change advanced power settings.

Expand USB settings > USB selective suspend setting, and disable it.

Disable USB Power Management:

Open Device Manager.

Right-click on each of your USB hubs (under Universal Serial Bus controllers) and select Properties.

In the Power Management tab, uncheck Allow the computer to turn off this device to save power.

Check Device Manager for Errors

Check for Errors in Device Manager: If your SSD or Thunderbolt controller is not appearing correctly, there may be errors in Device Manager.

Open Device Manager and check for any exclamation marks or error codes near your Thunderbolt or USB devices.

If you see a yellow warning symbol, right-click and select Uninstall. Then, restart your laptop, and Windows should attempt to reinstall the driver.

Perform System Updates

Update Windows: Make sure you are running the latest version of Windows and all system updates are installed.

Go to Settings > Windows Update and check for updates.

Update BIOS/UEFI: Sometimes firmware updates for your laptop can resolve hardware compatibility issues.

Visit the HP support website, enter your model number, and download the latest BIOS or firmware update.

I hope this helps.

Please feel free to reply here if you have any questions or if you need further clarification on any of the steps. 

Take care and have a good day. 

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