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- HP Community
- Notebooks
- Notebook Boot and Lockup
- Cmos reset (502)

Create an account on the HP Community to personalize your profile and ask a question
08-27-2020 10:03 AM
Thank you for posting on HP Support Community.
Don't worry as I'll be glad to help, I have a few troubleshooting steps we could try to fix the issue:
To resolve a BIOS issue, install the latest BIOS for your computer. See Downloading or Updating Software and Drivers for HP Computers for more information.
Refer to one of the following links for information about restoring the BIOS on your computer:
If needed, contact HP for assistance in resolving this issue.
Hope this helps! Keep me posted for further assistance.
Please click “Accept as Solution” if you feel my post solved your issue, it will help others find the solution.
ECHO_LAKE
I am an HP Employee
08-29-2020 08:04 AM
Your advice solved half of the problem
Now I don't see the cmos 502 message BUT the laptop freezing too much and I can't do anything just force turning off with long press on power button.
Please what can I do
08-29-2020 03:42 PM
Thank you for posting back.
Firstly, perform Windows Update and HP Support Assistant: (do not skip any troubleshooting steps if you feel steps are repeating)
To check for updates now, select the Start button, and then go to Settings > Update & security > Windows Update, and select Check for updates.
Install updates from HP Support Assistant: Go to Download HP Support Assistant to install the tool.
- To open HP Support Assistant, double-click the HP Support Assistant icon
.
- Click My devices in the top menu, and then click Updates in the My PC or My notebook pane.
- Click Check for updates and messages to scan for new updates.
- Review the list of updates. Updates with a yellow information icon are recommended. Updates with a blue information icon are optional.
- Click the update name for a description, version number, and file size.
- Select the box next to any updates you want to install, and then click Download and install.
Hope this helps! Keep me posted for further assistance.
Please click “Accept as Solution” if you feel my post solved your issue, it will help others find the solution.
ECHO_LAKE
I am an HP Employee
09-03-2020 04:22 PM
Thank you for posting back.
Since you have already tried most of the troubleshooting steps to resolve this issue, I would request you to reach out to our Support and our Support Engineers should be able to check the available service options in order to diagnose the computer physically. HP Support can be reached by clicking on the following link: www.hp.com/contacthp/
Please feel free to contact us here anytime you need any further assistance. Please click “Accept as Solution” if you feel my post solved your issue, it will help others find the solution.
ECHO_LAKE
I am an HP Employee