HP ZBook Fury 17 G7 - Troubleshooting Electromagnetic Interference (EMI); Troubleshooting No Wake Up Issues

Table 7-21 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 106). 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.
4. Consult with support.
No wake up
Use this information to troubleshoot wake-up issues.
Table 7-22 Issues, possible causes, and xes
Items Procedures
Symptoms
When resuming from a power
management state the computer may
display:
● Blank screen
● Some light activity
Possible causes
Power-saving mode; multiple-display setting.
138 Chapter 7 Troubleshooting guide ENWW