HP ZBook Studio G3 Maintenance and Service Guide - Page 110

Electromagnetic Interference (EMI

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Tips and tricks Electromagnetic Interference (EMI) 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 76). 2. Perform soft reset (9. Soft reset (Default Settings) on page 77). 3. Update BIOS and drivers (4. Update BIOS and drivers on page 67). 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 68) to isolate hardware issue. 5. Undo recent changes in Windows (5. Remove or uninstall recently added hardware, software on page 67). 6. Reseat cables and connections (10. Reseat cables and connections on page 77). 7. Start Windows in safe mode (11. Test with minimum configuration on page 78). 8. Use Startup Repair Windows to fix Windows damaged files. 9. Test with essential hardware configuration (11. Test with minimum configuration on page 78) along with a verified working operating system (i.e., USB Windows-To-Go ) if available to isolate the software issue. For more information, see HP PCs - Using Task Manager (Windows 10, 8). 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 66). Pay attention to external power source, 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. 4. Consult with support. 96 Chapter 7 Troubleshooting guide

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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
76
).
2.
Perform soft reset (
9. Soft reset (Default Settings)
on page
77
).
3.
Update BIOS and drivers (
4. Update BIOS and drivers
on page
67
).
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
68
)
to isolate hardware issue.
5.
Undo recent changes in Windows (
5. Remove or uninstall recently added
hardware, software
on page
67
).
6.
Reseat cables and connections (
10. Reseat cables and connections
on page
77
).
7.
Start Windows in safe mode (
11. Test with minimum
configuration
on page
78
).
8.
Use Startup Repair Windows to
fix
Windows damaged
files.
9.
Test with essential hardware
configuration
(
11. Test with minimum
configuration
on page
78
) along with a
verified
working operating system (i.e.,
USB Windows-To-Go ) if available to isolate the software issue.
Tips and tricks
For more information, see
HP PCs - Using Task Manager (Windows 10, 8)
.
Electromagnetic Interference (EMI)
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
66
). Pay attention to external power source,
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.
4.
Consult with support.
96
Chapter 7
Troubleshooting guide