|
|
| Troubleshooting Without Diagnostics | |
|
|
|
| |
| Solving Display Problems (Continued) |
|
| |
|
|
|
|
|
| Problem | Cause | Solution | |
|
|
|
|
|
| Image is not centered. | Position may need | Press the Menu button to access the | |
|
| adjustment. | OSD menu. Select | |
|
|
| ImageControl/Horizontal | |
|
|
| Position or VerticalPosition to | |
|
|
| adjust the horizontal or vertical | |
|
|
| position of the image. | |
|
|
|
|
|
| “No Connection, Check | Monitor video cable is | Connect the video cable between | |
| Signal Cable” displays on | disconnected. | the monitor and computer. | |
| screen. |
|
|
|
Ä Ensure the computer power is off while connecting the video cable.
“Out of Range” displays on screen.
Video resolution and refresh rate are set higher than what the monitor supports.
Restart the computer and enter Safe Mode. Change the settings to a supported setting then restart the computer so that the new settings take effect.
Vibrating or rattling noise | Monitor degaussing coil | None. It is normal for the | |
coming from inside a CRT | has been activated. | degaussing coil to be activated | |
monitor when powered on. |
| when the monitor is powered on. | |
|
|
| |
Clicking noise coming from | Electronic relays have | None. It is normal for some monitors | |
inside a CRT monitor. | been activated inside | to make a clicking noise when | |
| the monitor. | turned on and off, when going in | |
|
| and out of standby mode, and when | |
|
| changing resolutions. | |
|
|
| |
High pitched noise coming | Brightness and/or | Lower brightness and/or contrast | |
from inside a flat panel | contrast settings are too | settings. | |
monitor. | high. |
| |
|
|
| |
Fuzzy focus; streaking, | Flat panel monitor’s | 1. Select the monitor’s | |
ghosting, or shadowing | internal digital | ||
effects; horizontal scrolling | conversion circuits may | monitor’s | |
lines; faint vertical bars; or | be unable to correctly | menu. | |
unable to center the picture | interpret the output | 2. Manually synchronize the Clock | |
on the screen. | synchronization of the | ||
and Clock Phase | |||
(flat panel monitors using | graphics card. | ||
display functions. Download | |||
an analog VGA input |
| ||
| SoftPaq SP20930 or SP22333, | ||
connection only) |
| ||
| depending on the monitor, to | ||
|
| ||
|
| assist with the synchronization. | |
|
|
| |
| Graphics card is not | 1. Reseat the graphics card. | |
| seated properly or is | 2. Replace the graphics card. | |
| bad. | ||
|
| ||
|
|
| |
Certain typed symbols do | The font you are using | Use the Character Map to locate the | |
not appear correct. | does not support that | and select the appropriate symbol. | |
| particular symbol. | Click Start > All Programs > | |
|
| Accessories > System Tools > | |
|
| Character Map. You can copy | |
|
| the symbol from the Character Map | |
|
| into a document. | |
|
|
|
Service Reference Guide, dc7600 |