NEC ShieldPRO FC-N21S Ruggedised Notebook Computer
User’s Guide 0318-00002 Ver. 2.0 Dec 2008 – Page 139
10.
Maintenance
10.1. Troubleshooting
10.1.1.
Flowchart
To find a solution, follow the procedure below.
If smoke, odour or noise is generated, turn off the power immediately and pull out the power cord from the AC outlet.
Has ShieldPRO booted normally?
If the NEC Logo screen does not appear (excluding the case where BIOS is set not to display the NEC Logo screen) or message
"Operating system not found" appears in ShieldPRO booting, a hardware error may have occurred.
Boot ShieldPRO in safe mode.
If ShieldPRO has not booted normally, boot it in safe mode to check the status and/or change some settings. For how to boot
ShieldPRO in the safe mode, see "7.3.1 Booting ShieldPRO in safe mode" and "Chapter 7 Installing OS and Applications."
No
Does not boot
Booted
Not booted
Search for applicable information.
Search "10.1.3 Troubleshooting Q&A" for a compatible problem and solution.
No
Check hints.
If applicable actions are not found or described measures cannot resolve the symptom, see
"10.1.2 Actions Taken to Solve Trouble (Tips)." The section describes tips to solve problems.
No tips found
Take actions.
Take action according to the relevant event in "10.1.3
Troubleshooting Q&A."
Remove peripheral devices.
If the problem still cannot be solved, turn off the power.
Remove added peripheral devices (including expanded
board, memory and hard disk) and check if ShieldPRO
operates normally.
Not solved
Check peripheral devices.
To check if a peripheral device is compatible with
ShieldPRO, refer to the User’s Guide or ask your
sales agent or manufacturer.
Return system settings to original values.
Return the system settings to the factory defaults according to
the description in "7.3.4 Restoring System" and "Chapter 7
Installing OS and Applications."
Not solved
Delete added applications.
Delete applications installed by you one by one to check if
the problem can be solved.
Examine applications.
To check if each application is compatible with the
operating system or service pack you use, refer to the
User’s Guide or ask your sales agent or manufacturer.
Not solved
Reinstall OS.
Reinstall the OS according to the description in "Chapter 7 Installing OS and Applications" and check if ShieldPRO
operates normally. Reinstalling OS causes applications installed by you and data created by you to be erased.
Contact your supplier for repair.
Not solved
Solved