Matsushita CF-W4HWEZZBM service manual Shutting Down

Page 20

Display (continued)

An afterimage appears (e.g.,

If an image is displayed for a prolonged period of time, an afterimage may appear . This

green, red, and blue dots

is not a malfunction. The afterimage will disappear when a different screen is displayed.

remain on the display) or

High-precision and advanced technologies are necessary in the production of color liquid

there are dots not display-

crystal displays (color LCDs). Therefore, if 0.002% or less of the picture elements either

ing the correct colors

fail to light or remain constantly lit (that is, more than 99.998% of elements are function-

 

 

 

ing properly), no defect is considered to exist.

The screen becomes disor-

Changing the number of colors or resolution of the display may affect the screen. Restart

dered

 

the computer.

The

external display no

When an external display not compatible with the power saving mode is used with the

longer displays properly

computer, the display may not function correctly when the computer enters the power

 

 

 

saving mode. In such cases, turn off the power to the external display .

During

simultaneous dis-

Try changing the display by pressing Fn + F3 .

play,the screen of the exter-

If you continue to experience problems, try changing the display destination in the fol -

nal display becomes disor-

lowing menu:

dered

 

Windows XP

 

 

 

[start] - [ Control Panel ] - [ Other Control Panel Options] - [ Intel(R) Extreme Graphics] -

 

 

 

[ Devices]

 

 

When an MPEG file is be-

The display destination cannot be switched while an MPEG file is playing. Stop playing

ing played with Media

the MPEG file before switching the display destination.

Player, the display destina-

 

tion cannot be switched us-

 

ing

Fn

+ F3

 

Application is not displayed

Is the application a non-Unicode program? When non-Unicode programs are run on

properly, or characters are

Windows XP, you must select the language appropriate to that program.

garbled

 

Set [ Language for non-Unicode programs] in [ Control Panel ] - [ Date, Ti me, Language,

 

 

 

and Regional Options] - [ Regional and Language Options] - [ Advanced] .

 

 

 

Note that only a user with the administrator authority can change this setting.

 

 

 

 

Shutting Down

W indows cannot be shut down or restarted

If a USB device is connected, try removing it.

Battery Indicator

The red indicator lights

The battery level is very low (the charge is less than approx. 9% capacity).

 

Connect the AC adaptor . You can use the computer when the indicator light is orange. If

 

you do not have an AC adaptor, save your data and power off your computer. After

 

replacing the battery pack with a fully charged one, turn your computer on.

The red indicator blinks

Quickly save your data and power off your computer . Remove the battery pack and dis-

 

connect the AC adaptor , then connect them again.

 

If the problem persists, contact your technical support office. Possible failure in

 

failure in the battery pack or charging circuit.

The orange indicator blinks

Battery cannot be recharged temporarily because the internal temperature of the battery

 

pack is outside of the acceptable temperature range for recharging. Once the allowable

 

range requirement is satisfied, charging begins automatically. Your computer can be used

 

normally in this state.

 

 

Sound

 

W hen starting Sound Re- corder, it displays the mes- sage: “Ther e was an error updating the registry.”

Sound Recorder displays this error message when started by a user with a limited account if the user’s language setting is different to that of the user with administrator authority which last started it .

This will not affect the operation of the computer .

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Contents CF-W4 Contents Page Page Laser Safety Information Precautions Page Page Handling 2006 Specifications Pre-installed Software*24 IEEE802.11b/ IEEE802.11g Channels 1 to Names and Functions Parts Names Basic Procedures Diagnosis & RepairTroubleshooting Starting Up Display Shutting Down Reference Manual List of Error Codes Failure Fixed DiskConnection Diagram Error Diagnosis by Checking Beep Signal Sound Error messageOutline of Post DiagnosisDiagnosis by Error Code Error code Message Error Description Possible faulty partOutline of Self Diagnostic Tests Self Diagnosis TestContents Select Automatic TestList of main test items Test classificationPage Test Selection Order of test flow selection Input screen startupError Messages and Troubleshooting Disassembly instructions Preparation perform the .2.1. first PreparationRemove the Keyboard Remove the HDD Remove the Top CasePreparation perform the .2.1 .2.2. first Preparation perform the .2.1. , 6.2.2. firstRemove the SW Board Preparation perform the .2.1. to 6.2.4. firstRemove the Disc Cover Remove the Touch PadRemove the LCD Knob Remove the SpeakerRemove the Solenoid Remove the Main BoardCN3 Remove the Wireless LAN Module Remove the Drive UnitRemove the Antenna BoardL,R Remove the USB BoardRemove the Modem Remove the Card Bus EjectorPreparation perform the .2.1. to 6.2.4. and 6.2.11. first Preparation perform the .2.1. to 6.2.3. and 6.2.11. firstRemove the LCD Unit Remove the Hinge CoverRemove the LCD Unit and the LCD Rear Preparation perform the .2.1. to 6.2.4. and 6.2.18. firstRemove the Inverter Board Reassembly instructions Assembly knowhow of part LCDDamper Putting of LCD DamperC Plinth externals match 0 1mm Assembly of Brake Lever Brake Lever completion chartSpeaker installation and Line processing Solenoid Wire Rod processingSwitch Board assembly specification Assembly of Antenna Board Part Speaker installationModem Cable, Rib and LAN Cable processing Conductive Cloth affixation of Modem CableWire Rod processing of Lithium Battery USB Cable processingAffixation of HDD Gasket Assembly of Disk Cover Assembly of Disk CoverAssembly of Touch Pad Screw tightening procedure of each unit1mm Mm or less of Heat Sheet KB Large Inclination Specification of affixation of PET tape to Heat Spreader 5mm System Block Diagram Page Exploded View Display SectionCabinet Section Bottom Section JK2Packing Material AccessoriesMain Block Unit Mechanical Parts Bottom Case USA Assy Battery Sheet

CF-W4HWEZZBM specifications

The Matsushita CF-W4HWEZZBM is a robust and versatile notebook designed to meet the needs of professionals on the go. This laptop is part of the Toughbook series, renowned for its durability and performance in challenging environments. One of the standout features of the CF-W4HWEZZBM is its lightweight design, making it easy for users to carry without sacrificing functionality.

At the core of this notebook is a powerful Intel processor, typically belonging to the Core i5 or i7 family, providing ample power for multitasking and demanding applications. The processor is paired with sufficient RAM, ensuring smooth performance across various tasks, whether it be running office applications, analyzing data, or streaming video content.

The display of the CF-W4HWEZZBM is another highlight, featuring a vibrant LED-backlit screen that offers crisp and clear visuals for presentations and media consumption. The screen size usually falls within the 13 to 14-inch range, striking a balance between portability and usability. Furthermore, the anti-glare coating on the screen enhances visibility in bright conditions, making it suitable for outdoor use, particularly for fieldwork professionals.

In terms of connectivity, the CF-W4HWEZZBM is equipped with a range of ports, including USB, HDMI, and a memory card reader, ensuring compatibility with various peripherals and devices. Additionally, it supports industry-standard wireless technologies such as Wi-Fi and Bluetooth, enabling seamless connectivity with networks and other devices.

Security is a key consideration with this model. Often, it features a fingerprint reader and encrypted hard drive options to protect sensitive data, making it a sensible choice for users handling confidential information. Its battery life is commendable, providing extended usage hours, which is particularly beneficial for those who travel frequently or work remotely.

The construction of the CF-W4HWEZZBM emphasizes durability, with a rugged chassis designed to withstand impacts, spills, and dust. This makes it ideal for industries such as construction, healthcare, and logistics, where equipment is exposed to harsh conditions.

In summary, the Matsushita CF-W4HWEZZBM is a finely crafted laptop that excels in performance, durability, and connectivity. Its combination of lightweight form factor, powerful processing capabilities, exceptional display, and robust security features renders it a reliable choice for mobile professionals who require a dependable computing solution no matter where they are.
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