Test description Failure descriptions Error code Possible user actions
Boot Device 
Manager
Hard Disk 1 SMART 301 Indicates a potential problem with the hard drive. Run the hard drive test.
Boot Device 
Manager
Hard Disk 2 SMART 302 Indicates a potential problem with the hard drive. Run the hard drive test.
BIOS Recovery BIOS Recovery 
Occurred
500 This message indicates that BIOS recovery was completed successfully. No 
further action is required.
BIOS Application BIOS Application Error 501 The BIOS installation may have become corrupted. Download the latest 
version of the BIOS and install it. See 4. Update BIOS and drivers on page 34 
for more information.
If reinstalling the BIOS fails, contact support for further assistance.
CMOS Recovery CMOS Recovery 
Occurred
502 This message indicates that CMOS recovery was completed successfully. No 
further action is required.
Battery Check Primary Battery 
Replace
601 This indicates that the primary battery has very low capacity.
Battery Check Secondary Battery 
Replace
602 This indicates that the secondary battery has very low capacity.
Wireless Module Not installed or 
responding
701 Reseat the wireless LAN adapter module, if your notebook supports it.
Because seating or reseating a wireless LAN adapter is unique to each 
computer model. For more information, see the chapter titled “Removal 
and replacement procedures for Customer Self-Repair parts.”
Fan Fan not operating 
correctly
90B The system fan may be malfunctioning.
For information on troubleshooting heat-related issues, see 
http://support.hp.com/us-en/document/c01007591.
If the system fan continues to malfunction, contact support.
88 Chapter 7   Troubleshooting guide