• ×
    Information
    Need Windows 11 help?
    Check documents on compatibility, FAQs, upgrade information and available fixes.
    Windows 11 Support Center.
  • post a message
  • ×
    Information
    Need Windows 11 help?
    Check documents on compatibility, FAQs, upgrade information and available fixes.
    Windows 11 Support Center.
  • post a message
Guidelines
The HP Community is where owners of HP products, like you, volunteer to help each other find solutions.
Archived This topic has been archived. Information and links in this thread may no longer be available or relevant. If you have a question create a new topic by clicking here and select the appropriate board.
HP Recommended
HP Compaq nc6400
Microsoft Windows 8.1 (64-bit)
And I don't know what to do
4 REPLIES 4
HP Recommended


Press ENTER key 3 times you'll get system disabled/halt code. Post this code here.


HP Recommended

@limmax  and   @visruth

 

No halt code will be produced for this model.

 

You must remove the Main battery then the RTC battery.

 

HP Compaq nc6400 Notebook PC - FRU Remove/Replace Videos

 

https://h20574.www2.hp.com/results.htm?SID=1847703&MEID=6A14EBB2-F3D2-4E48-ABD7-C128C66D44F6

 

Click on Real-time clock battery.

 

If it does not work then STRINGENT SECURITY is enabled in the BIOS.

 

REO

HP Recommended
Have done so but still the same problem
HP Recommended

Sorry to hear that @limmax

 

Then STRINGENT SECURITY is enabled in the BIOS.

 

Stringent.jpg

 

REO

Archived This topic has been archived. Information and links in this thread may no longer be available or relevant. If you have a question create a new topic by clicking here and select the appropriate board.
† The opinions expressed above are the personal opinions of the authors, not of HP. By using this site, you accept the <a href="https://www8.hp.com/us/en/terms-of-use.html" class="udrlinesmall">Terms of Use</a> and <a href="/t5/custom/page/page-id/hp.rulespage" class="udrlinesmall"> Rules of Participation</a>.