HP ZBook 14u G6 - Electromagnetic Interference (EMI)

Table 8-21 Issues, possible causes, and xes (continued)
Items Procedures
Troubleshooting steps
Follow suggested steps below one at a time to verify normal boot process:
1. Disconnect all external peripherals, and perform a hard reset (8. Hard reset
on page 91).
2. Perform soft reset (9. Soft reset (Default Settings) on page 92).
3. Update BIOS and drivers (4. Update BIOS and drivers on page 85).
a. Roll back to previous version may be necessary.
b. Go to safe mode to install drivers.
4. Run Hardware Diagnostics (6. HP Hardware Diagnostics and Tools on page 86)
to isolate hardware issue.
5. Undo recent changes in Windows (5. Remove or uninstall recently added
hardware, software on page 85).
6. Reseat cables and connections (10. Reseat cables and connections
on page 92).
7. Start Windows in safe mode (11. Test with minimum conguration
on page 93).
8. Use Startup Repair Windows to x Windows damaged les.
9. Test with essential hardware conguration (11. Test with minimum
conguration on page 93) along with a veried working operating system (i.e.,
USB Windows-To-Go ) if available to isolate the software issue.
Tips and tricks For more information, see http://support.hp.com/us-en/document/c03671001.
Electromagnetic Interference (EMI)
Table
8-22 Issues, possible causes, and xes
Items Procedures
Symptoms
System locks up, freezes in certain
physical area or location
Possible causes
Electromagnetic interference (EMI).
Troubleshooting steps
1. See (2. Examine the environment on page 84). Pay attention to external power source,
high-frequency signals such as cell phones, microwave ovens.
2. Move the computer to dierent locations nearby to determine where it fails and where it
does not fail.
3. Test with a veried working computer in original factory conguration.
Common issues and possible solutions 111