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 |