HP Elite x2 G8 Maintenance And Service Manual page 105

Table 7-19 Issues, possible causes, and fixes (continued)
Items
The following steps are for authorized providers or technicians.
Tips
Procedures
Power-related issue
1. Verify functionality of AC adapter alone. If it does not work, test with a verified working
adapter.
2. Verify battery alone. Verify that battery is not depleted. Test battery using HP PC
Hardware Diagnostics (UEFI) tool.
3. Verify connection of power button and cable.
OS custom settings
1. Advise users to reset power options and close all applications that are not in use,
including applications in the background.
2. Test with a confirmed working operating system to isolate custom settings by users or
any conflicting applications that cause shutdown.
Thermal-related issue
1. Verify thermal condition:
Test fan using HP PC Hardware Diagnostics (UEFI) tool
a.
Diagnostics and Tools on page
Check fan and connection. Reseat fan cable.
b.
Be sure that no obstructions or dust are in heat sink fan, fin, or vent.
c.
Test with a verified working fan.
d.
Remove old thermal compound and pads and replace with new compound and
e.
pads.
2. Verify thermal solution:
Use Thermal Monitor tool (available only to authorized service
○
providers/technicians) to perform stress test (processor and GPU)
Hardware Diagnostics and Tools on page
are within limits after thermal condition is serviced.
Hardware-related issue
1. Check for any signs of loose connections, bent pins, stray wires, dust, nearly faulty
parts (bulging/leaking capacitor).
2. Verify that lights are solid.
3. If shutdown is reproducible, test essential hardware configuration:
If no issue with hardware configuration, reinstall one nonessential component at a
a.
time to determine faulty hardware.
If issue persists, replace essential hardware with a confirmed working part, one at
b.
a time. If the computer does not boot, replace system board.
Intermittent issues are difficult to reproduce and troubleshoot. It is important to record
details about shutdown frequencies, system configuration (3D video application), and
operating conditions.
(6. HP Hardware
73)
73), and verify that thermal sensors
Intermittent shutdown
(6. HP
95