Electromagnetic Interference (Emi); No Wake Up - HP ZBook x2 Manual

Electromagnetic Interference (EMI)

Items
Symptoms
System locks up, freezes in certain physical area or
location

No wake up

Items
Symptoms
When resuming from a power management state
the computer may display:
Blank screen
●
● Some light activity
Procedures
Possible causes
Electromagnetic interference (EMI).
Troubleshooting steps
1. See (2. Examine the environment on page
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.
Procedures
Possible causes
Power-saving mode; multiple-display setting.
Troubleshooting steps
1. Verify that front power light
troubleshooting lights, and POST error messages on page
(indicating Sleep state). Press power button to exit Sleep.
2. Reset BIOS to default (associated with OS Power Management in Power Menu)
(4. Update BIOS and drivers on page
3. Verify power management settings in Windows Power Options. Disable Sleep
options if the issue is resolved.
62). Pay attention to external
(7. Status lights, blinking light codes,
63)
Common issues and possible solutions
68) is blinking
93