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The power indicator or bat-
tery indicator is not lit
The computer does not op-
erate when a USB device is
connected
[Enter Password] is displayed
POST Star tup Error (s) is
displayed
Windows startup, or an op-
eration is extremely slow
The date and time are incor-
r ect
When r esuming fr om the
standby or hibernation
mode, [Enter Password]
does not appear even if a
password has been set in the
Setup Utility
When “Invalid system disk.
Replace the disk, and then
pr ess any key.” (or a simi-
lar message) is displayed
Check the cable connection for the AC adaptor.
Check to see if a fully charged battery is properly inserted.
Remove the battery pack and disconnect the AC adaptor , then connect them again.
The computer may not operate when certain USB devices are connected. Disconnect
the
USB device, or set [
Legacy USB Support] to [
Disable] in [
Advanced] menu of
the Setup
Utility .
Input your Supervisor Password or User Password. If you have forgotten it, contact your
technical support o
f
fice.
Press F9 in the Setup Utility. This will restore the Setup Utility’s settings to their
default values (except the password settings). Then, the Setup Utility must be run once
again for you to input the appropriate operating environment settings.
(The processing speed depends on the application software used, so this operation may
not cause the processing speed to increase. )
If operations slow down during streaming playback, try changing the number of colors of
the display .
You can set the date and time using the following menu:
Windows XP
[start] - [Control Panel] - [Date, Time, Language, and Regional Options] - [Date and
Ti me]
If you continue to experience problems, the internal battery maintaining the clock may
need to be replaced. Contact your technical support office.
When the computer is connected to a LAN, confirm the date and time of the server .
This computer will not correctly recognize the date and time starting from the year 2100
A.D.
Even when a password has been set in the Setup Utility , [ Enter Password ] does not
appear when t he computer resumes from the standby or hibernation mode.
If you want to use the security function when using the standby or hibernation mode, use
the Windows password as follows:
Windows XP
Select the account to change in [start] - [ Control Panel ] - [ User Accounts] and set the
password, then add the check mark for [Prompt for password when computer resumes
from standby] in [ Control Panel ] - [ Performance and Maintenance ] - [ Power Options] -
[ Advanced ].
This means a floppy disk that does not contain system startup information has been left in
the floppy disk drive. Remove the floppy disk, and press any key .
This message may appear when certain USB devices are connected. Remove the USB
device, or set [ Legacy USB Support ] in [ Advanced ] menu of the Setup Utility to [ Dis-
able ].
If the message still appears even after trying the above two measures, this may be an
indication that some type of hard disk failure has occurred. Contact your technical sup-
port office.
When a problem occurs, refer to this page. The “Reference Manual” also contains detailed information. If a problem appears to be
related to a software application, read the software related manual. If you still cannot troubleshoot the problem, contact your
technical support office. You can use the PC Information Viewer to check the computer’s usage status.
Star ting Up
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Summary of Contents for Toughbook CF-W4HWEZZBM
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Page 16: ...4 Diagnosis Repair 4 1 Basic Procedures 16 ...
Page 17: ...4 2 Troubleshooting 17 ...
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Page 56: ...7 Explanation of Hardware 7 1 System Block Diagram 56 ...
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