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- HP Community
- Notebooks
- Notebook Operating System and Recovery
- system halted error cnu9171mn0

Create an account on the HP Community to personalize your profile and ask a question
10-16-2024 10:19 AM
Hi @fly3216,
Welcome to the HP Support Community.
Thank you for posting your query. I will be glad to assist you.
I see that you are facing an issue with logging into your Laptop.
To understand the issue and help you, please share the details listed below:
Note: Do not share any of your personal information such as serial number, phone number, email ID, etc., on your public post.
- Exact model number/product number(SKU number) of your HP Product (Click here for information on how to find the model number/product number).
- When was the last time it was working fine?
- Were there any changes made to your Laptop recently?
Take care and have a great day ahead!
Irwin6
HP Support
Irfan_06-Moderator
I am an HP Employee
10-24-2024 10:14 AM
Hi @fly3216,
Thank you for sharing the above information.
Please follow the below steps to fix the issue.
-Perform a power drain on your PC.
1) Unplug the power cord from the PC & wall.
2) Disconnect the power cable from the AC adapter if it is a detachable part and keep it aside.
3) Press and hold the power button down for 15 seconds and release the power button, wait for about 30 seconds.
4) Plug the power cord back into the AC adapter, then connect it to the wall and to the charging port on your PC.
5) Power on the PC and check if it boots into Windows now.
-Update the BIOS for your PC by clicking on the link.
Make sure you keep only the charger plugged in while updating the BIOS for your PC.
Click on the + sign next to BIOS and then download the file.
Open the file and follow the on-screen instructions to complete the update.
-Install all the pending updates for the Windows operating system following the below steps.
Go to Start > Settings > Update & Security > Windows Update and select Check for updates. If the upgrade is available for your device and you want to proceed, download and install it.
- If the issue still persists, Please follow the steps below to perform an extensive system test to confirm if the hardware is working fine.
1) Shut down the computer.
2) Turn the computer back on again and repeatedly tap on the ESC until a Startup menu appears.
3) Press F2 once.
4) Go to the system test > extensive test
If the hardware is working fine. Please click on this link to perform a recovery on your Laptop. (Take a backup of the data before performing a recovery)
Please mark this post as “Accepted Solution” if the issue is resolved and if you feel this reply was helpful click “Yes”.
I hope this helps.
Take care and have a great day ahead!
Irwin6
HP Support
Irfan_06-Moderator
I am an HP Employee