Electromagnetic Interference (Emi) - HP ZBook Power G10 Maintenance And Service Manual

Table 6-21 Issues, possible causes, and fixes
Items
Symptoms
● Has power, light activity, fan spinning
● HP Logo displays briefly
● Attempt to boot to operating system and
freeze/hang at Windows logo
● No response to pressing
lock key
Tips

Electromagnetic Interference (EMI)

Use this information to troubleshoot EMI issues.
100 Chapter 6 Troubleshooting guide
Procedures
Possible causes
Conflict of instructions from multiple programs or drivers; installing a new
hardware or program that is not compatible (may also cause a blue screen
error—see blue screen issue).
num lk or caps
Troubleshooting steps
Perform the following steps one at a time to verify normal boot process:
1. Disconnect all external peripherals, and perform a hard reset
reset on page
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
73) to isolate hardware issue.
5. Undo recent changes in Windows
hardware, software on page
6. Reseat cables and connections
page 80).
7. Start Windows in safe mode
81).
8. Use Startup Repair Windows to fix Windows damaged files.
9. Test with essential hardware configuration
configuration on page
instance, USB Windows-To-Go), if available, to isolate the software issue.
For more information, see http://support.hp.com/us-en/document/c03671001.
79).
(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
73).
(10. Reseat cables and connections on
(11. Test with minimum configuration on page
(11. Test with minimum
81) with a verified working operating system (for
(8. Hard
80).
73).