HP ProBook 630 Maintenance and Service Guide - Page 112

Additional information, Acronyms

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Table 7-52 Issues, possible causes, and fixes (continued) Items Procedures Thermal-related issue 1. Verify thermal condition: a. Check fan and connection. Check if fan is spinning when computer is on. Reseat fan cable. b. Be sure that no obstructions or dust are in heat sink fan, fin, or vent. c. Be sure that the notebook is not sitting on a hot surface that blocks vent intakes. d. Test fan using HP PC Hardware Diagnostics (UEFI) tool (6. HP Hardware Diagnostics and Tools on page 53). Be sure that the fan is not producing a loud noise and that fan blades spin correctly. e. Test with a verified working fan. f. Remove old thermal compound and pads, and replace properly with new pads. 2. Verify thermal solution: ○ Use Thermal Monitor tool (available only to authorized service providers and technicians) to run stress test (processor and GPU), and verify that thermal sensors are within limits after thermal condition is serviced. Note See https://support.hp.com/us-en/document/c01657439. Additional information The following sections provide additional information that you can use during the troubleshooting process. Acronyms These acronyms are used in this chapter. Blue screen (BSOD)-A Windows error screen that can occur if a problem causes your computer to shut down or restart unexpectedly. When you experience this type of error, you cannot see items such as the Start menu or the taskbar when your computer is turned on. Instead you might see a blue screen with a message that your computer ran into a problem and needs to restart. CPU-Central processing unit DIMM-Dual in-line memory module Daughterboard-Type of circuit board that plugs into or is attached to the system board or similar expansion card to extend its features and services. GPU-Graphics processor unit GTS-General Troubleshooting Step HDD-Hard drive KB-Keyboard LVDS-Low-Voltage Differential Signaling MSG-Maintenance and Service Guide mWS-Mobile Workstations 100 Chapter 7 Troubleshooting guide

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Table 7-52
Issues, possible causes, and fixes (continued)
Items
Procedures
Thermal-related issue
1.
Verify thermal condition:
a.
Check fan and connection. Check if fan is spinning when computer is on. Reseat fan
cable.
b.
Be sure that no obstructions or dust are in heat sink fan, fin, or vent.
c.
Be sure that the notebook is not sitting on a hot surface that blocks vent intakes.
d.
Test fan using HP PC Hardware Diagnostics (UEFI) tool (
6. HP Hardware Diagnostics
and Tools
on page
53
). Be sure that the fan is not producing a loud noise and that
fan blades spin correctly.
e.
Test with a verified working fan.
f.
Remove old thermal compound and pads, and replace properly with new pads.
2.
Verify thermal solution:
○
Use Thermal Monitor tool (available only to authorized service providers and
technicians) to run stress test (processor and GPU), and verify that thermal sensors
are within limits after thermal condition is serviced.
Note
See
us-en/document/c01657439
.
Additional information
The following sections provide additional information that you can use during the troubleshooting process.
Acronyms
These acronyms are used in this chapter.
Blue screen (BSOD)
—A Windows error screen that can occur if a problem causes your computer to shut down
or restart unexpectedly. When you experience this type of error, you cannot see items such as the Start menu
or the taskbar when your computer is turned on. Instead you might see a blue screen with a message that
your computer ran into a problem and needs to restart.
CPU
—Central processing unit
DIMM
—Dual in-line memory module
Daughterboard
—Type of circuit board that plugs into or is attached to the system board or similar expansion
card to extend its features and services.
GPU
–Graphics processor unit
GTS
–General Troubleshooting Step
HDD
–Hard drive
KB
–Keyboard
LVDS
–Low-Voltage Differential Signaling
MSG
–Maintenance and Service Guide
mWS
–Mobile Workstations
100
Chapter 7
Troubleshooting guide