Dealing with Problems (Summary)

Troubleshooting

Display

No display after powering

When there is no display to an external display,

 

on

• Check your cable connection to the external display.

 

• Confirm your display is powered on.

 

 

• Check the settings for your external display.

 

 

Try changing the display by pressing Fn +

F3 .

 

When displaying only through an external display, if the computer is shut down by using

 

the standby or hibernation function, there will be no display on the LCD unless the exter-

 

nal display is connected when operations are resumed. In this case, connect the external

 

display or press

Fn +

F3 .

 

The power has not been

Has the computer been set to the power-saving mode?

turned off, but after a cer-

To resume operation of your computer from the condition the power of the display is off

tain period of time, there is

(for energy conservation purposes), press any key unrelated to the direct triggering of a

no display

selection, like

Shift .

 

 

 

To save power, your computer may have automatically entered either the standby or

 

hibernation mode (

 

 

“Computing on the Road”). Slide the power switch.

 

 

The cursor cannot be con-

Restart the computer by using the keyboard (e.g.,

).

trolled

 

 

 

 

 

 

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 external display no

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

longer displays properly

computer, the external display may no longer display properly when the computer enters the

 

condition the power of the display is off (for energy conservation purposes). In such cases,

 

turn off the power to the external display.

 

The screen becomes disor-

Changing the number of colors of the display may affect the screen. Restart the computer.

dered

Windows XP

 

 

 

 

 

 

When using DualView, use the same display colors for the external display as those used

 

by the LCD.

 

 

 

 

 

After the display destination

Under the condition that the [Command Prompt] screen is set to “Full Screen”, the display

of the screen is switched

destination returns to both the internal LCD and external display if “EXIT” is input and the

with Fn + F3 , the dis-

[Command Prompt] screen is closed, or “Full Screen” is canceled (e.g., Alt + Enter ),

play destination returns to

when the display destination of the screen is switched with Fn + F3 .

both the internal LCD and

Press Fn + F3

again.

 

 

external display upon op-

 

 

 

 

 

 

eration

 

 

 

 

 

 

22

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Panasonic CF-72 Series appendix Dealing with Problems Summary, Display, Fn +, Shift
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CF-72 Series specifications

The Panasonic CF-72 Series has gained recognition for its durability, performance, and advanced technologies, making it a preferred choice for professionals in demanding environments. This rugged laptop series is designed to withstand harsh conditions, offering features that cater to a wide range of applications.

One of the most notable characteristics of the CF-72 Series is its robust construction. Built to military specifications, the laptop can endure extreme temperatures, shocks, and vibrations, ensuring reliability even in the most challenging outdoor settings. The magnesium alloy case and reinforced HDD provide an extra layer of protection, while the spill-resistant keyboard helps safeguard against accidental liquid spills.

The CF-72 Series utilizes advanced processing power, incorporating Intel processors that deliver exceptional performance for multitasking and demanding applications. With ample RAM options, users can smoothly run various software programs, increasing productivity and efficiency. The solid-state drive (SSD) option enhances data access speed, ensuring quick boot times and rapid file retrieval.

Another key feature of the CF-72 Series is its high-resolution display, which offers excellent brightness and clarity for outdoor visibility. The sunlight-readable touchscreen option allows for easy navigation and operation in various lighting conditions, making it an ideal choice for fieldwork. Additionally, the device comes with integrated graphics that support high-definition visuals, suitable for both professional and multimedia applications.

Connectivity is a strong point of the CF-72 Series, with multiple ports including USB, HDMI, and serial connections, ensuring compatibility with various peripherals and devices. The inclusion of wireless connectivity options like Wi-Fi and Bluetooth enables seamless communication and data transfer, essential for professionals on-the-go.

The battery life of the CF-72 Series is designed to support long hours of operation, with options for extended batteries to meet the needs of users who require extended mobility without the need for frequent recharging. This feature is particularly valuable for field engineers, technicians, and other professionals who work in remote locations.

In summary, the Panasonic CF-72 Series combines rugged design, powerful performance, and advanced technology to cater to the needs of professionals in demanding environments. Its durability, impressive features, and user-focused design make it a reliable choice for anyone seeking a tough and efficient laptop solution. Whether used in construction, military, or any other field, the CF-72 proves to be a versatile tool that enhances productivity and performance.
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