in my laptop the security facial and fingerprint recognition is show as unavailable in hello window how to solve this problem

Try these steps in order:

1. Sign in with a PIN or password first. If Windows Hello face or fingerprint is unavailable for sign-in, use another sign-in method so the settings can be changed.
2. Re-set up Windows Hello. Go to Settings > Accounts > Sign-in options.
   • If Facial recognition (Windows Hello) is available, select Remove or Improve recognition, then set it up again.
   • If Fingerprint recognition (Windows Hello) is available, select Remove or Add a finger/Set up and register it again.
3. For face recognition problems, improve the scan conditions.
   • Clean the camera.
   • Make sure the face is well lit.
   • Re-scan if appearance changed, such as glasses or facial hair.
   • Use Improve recognition because it adds another face template.
4. For fingerprint problems, re-register the fingerprint.
   • Make sure the fingerprint reader is clean and dry.
   • Register the finger again from different angles.
   • Add more than one fingerprint if possible.
5. Check whether the hardware supports Windows Hello. If Windows says it cannot find a compatible camera or fingerprint scanner, the laptop may not have the required IR camera or fingerprint reader hardware.
6. If the device is a Surface and face recognition is unavailable, make sure Windows and firmware are fully updated.
7. If biometrics stopped working after they worked before, reinstall the biometric device driver. In Device Manager, under Biometric devices, uninstall the biometric device, then restart the laptop so Windows reinstalls the driver.
8. If both PIN and biometrics are unavailable, check Settings > Accounts > Access work or school. If an organization account is still connected there, disconnect it, restart the PC, and check Windows Hello again.
9. If facial recognition works only for unlock but not for logon on a domain-joined Windows 10 device, check this Group Policy: Computer Configuration > Local Policies > Security Options > Interactive logon: Do not display last user name Set it to Disabled.
10. If biometric authentication still does not work, check the biometric service. On systems using Enhanced Sign-in Security, verify System Information > System Summary shows Virtualization Based Security = Running. Also check System Information > Software Environment > Running Tasks for bioiso.exe and ngciso.exe.
11. As a last resort on Surface, a restore or reset can help if a recent app, driver, or update caused the issue. This can affect installed apps and settings, so back up important data first.

References:

• Windows Hello common issues and troubleshooting tips | Microsoft Support
• Facial recognition logon doesn't work after you apply a Group Policy setting in Windows 10
• Windows Hello Enhanced Sign-in Security
• How can I setup Windows Hello if the PIN, facial recognition and fingerprint options are all unavailable - Microsoft Q&A