Panasonic Cf W2dwazzkm Owners Manual

21
Operation
Use a RAM module meeting the RAM module specifications below. If a module is used that
does not meet the specifications, there are cases in which data may become unusable or the
computer may not operate properly.
RAM module specifications: ( page 43)
172 pins, Micro DIMM, 2.5 V, DDR SDRAM, PC2100
Contact your technical support office to confirm recommended memory.
RAM Module
Inserting / Removing the RAM Module
CAUTION
RAM modules are extremely sensitive to static electricity. There are cases...

22
Operation
4Press the RAM module down until the right and left hooks (G) lock into place.
  When pressing down the module, the right and left hooks will open slightly and
will return after locking.
Removing the RAM module
1Gently open the left and right hooks (H).
The RAM module will be raised at an angle.
2Gently remove the RAM module from the slot.
4Put the cover back in place.
1Insert the cover at an angle, then fit it into place.
2Fasten the screw.
Whether the RAM module is properly recognized or...

23
Operation
Environment
Place the computer on a flat stable surface. Do not place the computer upright or allow it
to tip over.  When the computer receives extremely strong shock after falling, the hard
disk may become inoperable.
In use: Temperature: 5 °C to 35 °C  {41 °F to 95 °F}
Humidity     : 30% to 80% RH  (No condensation)
Not in use: Temperature: -20 °C to 60 °C  {-4 °F to 140 °F}
Humidity     : 30% to 90% RH  (No condensation)
 Places not to use your computer
Such areas may result in damage to...

24
Operation
When Using Peripheral Devices
Pay strict attention to the following points to avoid damage to the computer, peripheral de-
vices, cables, etc.  Also, in addition to following this manual and the Reference Manual, care-
fully read the instruction manuals for the peripheral devices being used.
Use only peripheral devices that conform to the computer’s specifications.
Connect the devices properly, paying close attention to the condition and position of the
connectors.
If a connection cannot be...

25
Operation
Windows Update
Windows Update enables you to update Windows on your computer by applying the latest
patches and service packs for Windows.
Connect the Internet and perform it from [start] - [All programs] - [Windows Update].
Do not apply “Driver Updates” even if a message to update a driver appears. If a driver
update is required, contact your technical support office (
 page 45).
Be sure to perform Windows Update after reinstallation ( page 34).
The installed patches can be confirmed in...

26
Operation
Useful Information
Wireless LAN
To prevent theft of data or unauthorized access to the hard disk via a wireless LAN.
If you plan to use wireless LAN functions, we recommend that you do so only after making
the appropriate security settings, such as for encryption.
For instructions on settings for wireless LAN and cautions during use, select [start]-
[Reference Manual], and refer to “Wireless LAN”.
Before using a wireless LAN, turn the wireless LAN on using the following method (at
the time...

27
Operation
DVD-ROM & CD-R/RW Drive
Before using the drive
When using the drive for the first time, slide the open lever (A) on the left side of
the computer to open the disc cover after the computer has been powered on, and
remove the protective sheet (B) from the lens area.
Do not expose the DVD-ROM & CD-R/RW drive to excessive smoke that may leave a
residue, e.g. oil smoke, or tobacco smoke. Doing so could shorten the life of the drive lens.
When opening/closing the disc cover
When the computer is...

28
Troubleshooting
List of Error Codes
When turning on the computer, if one of the following error codes or messages is displayed, follow the instructions shown below.
If the problem persists, or if the error code or message displayed is not shown here, contact your technical support office (
 page
45).
Error Code/Message
0211: Keyboard error
0251: System CMOS checksum
bad - Default configuration
used
0271: Check date and time set-
tings
0280: Previous boot incomplete
- Default configuration used
Press...

29
Troubleshooting
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 dis-
played
POST Startup Error(s) is
displayed
Windows startup, or an op-
eration is extremely slow
The date and time are incor-
rect
When resuming from the
standby or hibernation
mode, [Enter Password]
does not appear even if a
password has been set in the
Setup Utility
When “Remove disks or
other media. Press any key
to restart” (or a similar mes-...

30
Troubleshooting
When the previous item is
not the causePress   F9    in the Setup Utility (  “Setup Utility”).   This will restore the Setup
Utility’s settings to their default values (except the password settings).
Try removing all peripheral devices.
Check a disk error using the following procedure.
1Display [Local Disk (C:) Properties].
Select [Local Disk(C:)] with the right button in [start] - [My Computer], and select
[Properties].
2Select [Tools] - [Check Now].
3Select [Start] after selecting...