Maintenance and Service Guide

Table Of Contents
Windows Advanced Boot Option
Windows 7:
1. Press F8 to open the Windows Advanced Boot Option screen.
2. Select Disable automatic restart on system failure to view error messages.
Windows 8:
1. Press F11 (System Recovery) to open the Windows Advanced Boot Option screen.
2. Select Startup Settings to view error messages.
Freeze at Windows Logo (hang/lockup)
Table
8-21 Issues, possible causes, and xes
Items Procedures
Symptoms
Has power, light activity, fan spinning
HP Logo displays briey
Attempt to boot to operating system and
freeze/hang at Windows logo
No response to pressing num lock or caps
lock key
Possible causes
Conict 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).
108 Chapter 8 Troubleshooting guide