Press enter to restart the PC.
If the error displays after restarting, try to restore the BIOS using a USB drive. For more information, see the “Recover the BIOS using a USB recovery drive” section of the following:
If restoring the BIOS fails, contact HP.
1.-Con el equipo apagado, presiona la tecla de ESC.
2.-Enciende el equipo y mantén la tecla de ESC presionándola.
3.-Debe de aparecer un menú de inicio.
4.-Selecciona la opción de F2 System Diagnostic/Diagnóstico del Sistema.
5.-Ingresa a la prueba de componentes y después selecciona la prueba de disco duro rápida.
Control 501 may be due to a corrupted HP BIOS application. Follow this path to fix it: enter the BIOS settings when restarting the PC in the menu by continuously pressing F10 selection. Reboot all default environments and reset BIOS configuration settings to factory settings.
You may receive a “BIOS Application Error 501” error message if you are not using the HP Preload Image and pressing the INFO button when starting the device. The selected HP BIOS task is corrupted or missing. Please apply the application and therefore try it. BIOS Application Error (501)
BIOS Application Error (501) During boot, the system is performing a BIOS application test. If the BIOS application fails the test, the BIOS is considered to be infected and the system will install a hidden BIOS backup to solve the problem and the boot step will remain.
What causes 501 unsupported method in Python basehttpserver 501?
I ended up with my method 501 not supported (“options”)) due to CORS and the request “Content-Type: application/json; charset = utf-8”. To fix the whole bug, I included do_OPTIONS in cors , which allowed clients to request content of a specific type.
What is the difference between 501 c 3 and 501 c 4?
Each 501(c)3 is a non-profit organization for devotional, charitable, or educational purposes under Internal Service Revenue Rules. …Donations to 501(c)3 groups are tax deductible. 501(c)4 is social assistance and therefore the group can be more supportive and lobbying.
What is the difference between Levis 501 and 501 93?
How are our 501® ’93 straight jeans different from regular jeans? 501® This vintage-inspired piece is slightly raised in front to sit at the waist. But just like the original, it has a fuller belly and hips – plus the signature straight leg from knee to accessory ankle.
How to fix BIOS error 501 in HP laptop?
Fix BIOS Application Error 501 on an HP Notebook. Error 501 can easily be caused by a corrupted HP BIOS application. Follow these steps and try to fix it: Enter the BIOS setup menu when restarting the PC by constantly pressing the F10 key. Reload all default settings and select factory BIOS configuration fixes.
How do I fix BIOS Error 501?
To fix the BIOS application error (501), restore the BIOS. Press Enter to change PC. For more information, see Recovering the BIOS Using a USB Flash Drive.

Ermias is a tech writer with a passion for helping people solve Windows problems. He loves to write and share his knowledge with others in the hope that they can benefit from it. He’s been writing about technology and software since he was in college, and has been an avid Microsoft fan ever since he first used Windows 95.