Appendix A Q&A

Screen display is improper.

Q

 

A

Symptom

Check

 

Action

Nothing is displayed.

Is the main unit and CRT power

 

Turn on the power.

 

on?

 

See "3.1.1 Turning On the

 

 

 

Power"

 

Is the CRT power cable

 

Turn off the power once and

 

connected?

 

plug into an electrical outlet.

 

Is the CRT signal cable

 

Connect the cable securely.

 

connected properly?

 

See "2.5 Power Supply

 

 

 

Connection"

Screen display is

Are the CRT brightness and

 

Turn the brightness and

distorted, size or position

contrast adjusted properly?

 

contrast knobs to adjust. Refer

is improper.

 

 

to the CRT operation manual for

 

 

 

details.

No character is entered when a key is pressed.

Q

 

A

Symptom

Check

 

Action

Unable to enter from the

Is the keyboard cable plug

 

Connect the keyboard cable

keyboard.

connected to the mouse

 

plug to the keyboard connector.

 

connector?

 

 

There is no response

 

 

Turn the power off and then

from any key.

 

 

back on after a while.

There is no response

 

 

Press the {Del} key while

when power on is

 

 

pressing the [Ctrl] key and [Alt]

repeated.

 

 

key.

The desired character

Are the CapsLock, NumLock,

 

Use the [Caps Lock] key and

cannot be entered.

and ScrollLock lamps lit

 

[Num Lock] key to obtain the

 

properly?

 

desired state.

The mouse does not work

Q

 

A

Symptom

Check

 

Action

The mouse does not

Is the mouse connected to the

 

Connect the mouse to the

Respond

keyboard connector?

 

mouse connector.

Operating system does not start.

Q

 

A

Symptom

Check

 

Action

An error message

Did you turn the power off and

 

? Wait at least 5 seconds after

appears during startup.

then back on immediately

 

turning off the power before

 

 

 

turning it back on.

 

Is the BIOS set correctly?

 

Check "6.1 Setting the BIOS"

An error message

 

 

Refer to your application

appears when using an

 

 

program's operation manual.

application program.

 

 

 

46

Computer module C2PU37 User’s Manual

Page 66
Image 66
Toshiba 2000 user manual Screen display is improper, No character is entered when a key is pressed, Mouse does not work