Freeze At Windows Logo (Hang/Lockup) - HP EliteBook 850 G4 Maintenance And Service Manual

Windows Advanced Boot Option
Windows 7:
1. Press
2. Select Disable automatic restart on system failure to view error messages.
Windows 8:
1. Press
2. Select Startup Settings to view error messages.

Freeze at Windows Logo (hang/lockup)

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
114 Chapter 8 Troubleshooting guide
F8 to open the Windows Advanced Boot Option screen.
F11 (System Recovery) to open the Windows Advanced Boot Option screen.
num lock or caps
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).