HP ZBook Studio x360 Maintenance and Service Guide - Page 98

Resolve the issue, 8. Hard reset

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Table 6-6 System diagnostics failure codes and user actions (continued) Test description Failure description Error code Suggested user actions BIOS Application BIOS Application Error 501 The BIOS installation may have become corrupted. Download the latest version of the BIOS and install it. 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 message indicates that the primary battery has very low capacity. Search for support documentation at http://www.hp.com/support for details on using the HP Support Assistant to verify the battery capacity and, if necessary, order a replacement. Wireless Modules Not installed or responding 701 Reseat the wireless LAN adapter module and antennas. Because seating or reseating a wireless LAN adapter is unique to each computer model, see the WLAN module removal section in the removal and replacement chapter for further details. Contact support if third-party wireless adapters are installed in the computer. Fan Fan not operating correctly 90B The system fan may be malfunctioning. Replace the fan. Resolve the issue 8. Hard reset A http://support.hp.com/us-en/document/c01684768 (or forced reset) erases all information in the computer's memory and may restore functionality. Resetting the computer forces the system to clear and reestablish the connections between the BIOS and the hardware. Performing a hard reset might fix the following common conditions: ● Windows stops responding. ● Computer stops before Windows loads, indicated by incomplete boot-up, blinking cursor on a black background, and errors relating to operating system not found or a missing drive. ● Display suddenly goes blank and stays blank. ● Software freezes. ● Keyboard stops responding. ● The computer does not exit Sleep or Suspend state. ● An external device stops responding. Turn off the power to that device in addition to performing the steps in this document. Before performing a hard reset, you must disconnect or remove all peripheral devices. You should start and test the computer by itself, and if the problem is not resolved, reconnect one peripheral device at a time. To resolve the startup or operational problem, run HP Support Assistant, or manually install all updated drivers from Microsoft and HP. 86 Chapter 6 Troubleshooting guide

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Table 6-6
System diagnostics failure codes and user actions (continued)
Test description
Failure description
Error
code
Suggested user actions
BIOS Application
BIOS Application Error
501
The BIOS installation may have become corrupted. Download the
latest version of the BIOS and install it.
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 message indicates that the primary battery has very low
capacity. Search for support documentation at
support
for details on using the HP Support
Assistant to verify the battery capacity and, if necessary, order a
replacement.
Wireless Modules
Not installed or responding
701
Reseat the wireless LAN adapter module and antennas.
Because seating or reseating a wireless LAN adapter is unique to
each computer model, see the WLAN module removal section in
the removal and replacement chapter for further details.
Contact support if third-party wireless adapters are installed in
the computer.
Fan
Fan not operating correctly
90B
The system fan may be malfunctioning. Replace the fan.
Resolve the issue
8. Hard reset
A
us-en/document/c01684768
(or forced reset) erases all information in the
computer's memory and may restore functionality. Resetting the computer forces the system to clear and
reestablish the connections between the BIOS and the hardware.
Performing a hard reset might
fix
the following common conditions:
●
Windows stops responding.
●
Computer stops before Windows loads, indicated by incomplete boot-up, blinking cursor on a black
background, and errors relating to operating system not found or a missing drive.
●
Display suddenly goes blank and stays blank.
●
Software freezes.
●
Keyboard stops responding.
●
The computer does not exit Sleep or Suspend state.
●
An external device stops responding. Turn
off
the power to that device in addition to performing the
steps in this document.
Before performing a hard reset, you must disconnect or remove all peripheral devices. You should start and
test the computer by itself, and if the problem is not resolved, reconnect one peripheral device at a time. To
resolve the startup or operational problem, run HP Support Assistant, or manually install all updated drivers
from Microsoft and HP.
86
Chapter 6
Troubleshooting guide