Electromagnetic Interference (Emi) - HP ZBook 14u G6 Maintenance And Service Manual

Table 8-21 Issues, possible causes, and fixes (continued)
Items
Tips and tricks

Electromagnetic Interference (EMI)

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