HP ZBook Power G10 - Freeze at Windows Logo (hang or lockup)

Table 6-12 Issues, possible causes, and fixes
Items Procedures
Symptoms
● No battery status light
● Blinking amber (critically low
battery level)
● No boot without AC adapter
Possible causes
Defective AC adapter , battery, or both.
NOTE: Before proceeding, verify that the computer can boot to BIOS or Windows with
a good AC adapter.
90 Chapter 6 Troubleshooting guide