HP ZBook Power G10 Maintenance And Service Manual page 80

● Storage
●
Mechanical
A single symptom can be listed under different groups. For example, No Video can belong to (1) power-on
or (4) display; but flickering when turned on should be listed in (4) display. Or, in another example, a blue
screen can be caused by a driver conflict in performance (4), but it can also be caused by a defective
hard drive under (6) storage. Therefore, failures that share similar symptoms are noted.
If possible, make a record of the failure symptom, the phase of the boot-up sequence where the
failure occurs, and the most likely location in the failure tree
sequence on page 71
helps isolate the issue and indicate the next steps. For example, when the computer is running the
operating system, it can experience an issue with (4) display, (5) I/O devices (keyboard, wireless, and so
on), (6) storage, or (7) mechanical components (stuck buttons, thermal shutdown, and so on).
Uncategorized is used if an issue found is not listed. For example, Bluetooth is offered on
NOTE:
certain hardware configurations; therefore, you can classify a Bluetooth issue under I/O Device if
needed.
Failure classification by boot-up sequence
Use this table to locate failure classification information.
Table 6-4 Failure classification by boot-up sequence
1. Power-on
1. No power on page 86
2. Intermittent power-on, shutdown,
reboot on page 88
3. AC adapter issue on page 89
4. Battery not recognized, not
charging on page 89
5. Battery discharges too fast on
page 92
6. Burnt smell on page 92
a,b,c
similar symptoms
Failure classification by hardware devices
To determine failure by device, use this table.
and Table 6-5 Failure classification by hardware devices on page
2. POST
1. No video (with power) on page
93
2. Blinking lights on page 94
a
3. Diagnostic error messages on
page 95
4. BIOS password on page 95
(Table 6-4 Failure classification by boot-up
3. Performance
1. Intermittent shutdown on page 96
2. Blue screen on page 98
3. Freeze at Windows Logo (hang or
lockup) on page 99
4. Electromagnetic Interference (EMI) on
page 100
5. No wake up on page 101
6. Unresponsive on page 102
7. Slow performance on page 103
8. HP Smart Adapter warning message
on page 103
9. Incorrect time and date on page 104
Failure classification by boot-up sequence
72). This record
a
b
c
71