HP ProBook 630 Maintenance and Service Guide - Page 76

Consulting with HP Service, Common issues and possible solutions, Power-on issues, No power

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Consulting with HP Service If further HP support is required, this information may be requested when you call. So it may be helpful to take notes. ● Technical support registration number (if applicable) ● Product serial number ● Product model name and number ● Product identification number ● Applicable error messages ● Add-on boards or hardware ● Third-party hardware or software ● Operating system type and revision level ● Description of symptom or failure Common issues and possible solutions This section contains common issues, symptoms, and a series of tables that describe possible solutions to issues from Failure Classification tables. The following sections identify the issue with symptoms and solutions to resolve an issue. Power-on issues Use the following sections to troubleshooting power issues. No power When a unit experiences no power, there are several contributing factors to consider. Be sure to consider all symptoms related to this behavior when troubleshooting. Table 7-9 Issues, possible causes, and fixes Items Procedures Symptoms ● Computer does not start ● Display is black or blank ● No fan noise ● No hard drive spinning ● Lights do not glow Possible causes Failed power input to the computer (external power source, AC adapter, faulty battery). Bad connection to the computer (bad power button, power connector). Defective parts (memory, hard drive, graphics) or failed system board. Troubleshooting steps Perform quick check Remove all external devices, including docking station. Verify external power source (2. Examine the environment on page 52). Perform a hard reset (8. Hard reset on page 58). 64 Chapter 7 Troubleshooting guide

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Consulting with HP Service
If further HP support is required, this information may be requested when you call. So it may be helpful to
take notes.
●
Technical support registration number (if applicable)
●
Product serial number
●
Product model name and number
●
Product identification number
●
Applicable error messages
●
Add-on boards or hardware
●
Third-party hardware or software
●
Operating system type and revision level
●
Description of symptom or failure
Common issues and possible solutions
This section contains common issues, symptoms, and a series of tables that describe possible solutions to
issues from Failure Classification tables. The following sections identify the issue with symptoms and
solutions to resolve an issue.
Power-on issues
Use the following sections to troubleshooting power issues.
No power
When a unit experiences no power, there are several contributing factors to consider. Be sure to consider all
symptoms related to this behavior when troubleshooting.
Table 7-9
Issues, possible causes, and fixes
Items
Procedures
Symptoms
●
Computer does not start
●
Display is black or blank
●
No fan noise
●
No hard drive spinning
●
Lights do not glow
Possible causes
Failed power input to the computer (external power source, AC adapter, faulty battery).
Bad connection to the computer (bad power button, power connector).
Defective parts (memory, hard drive, graphics) or failed system board.
Troubleshooting steps
Perform quick check
Remove all external devices, including docking station.
Verify external power source (
2. Examine the environment
on page
52
).
Perform a hard reset (
8. Hard reset
on page
58
).
64
Chapter 7
Troubleshooting guide