Bull ESCALA E250, Использование и обслуживание, Страница: 78 / 162

4-18
Setup Guide
What To Do When a Problem Occurs
Problem Description
Possible Cause Solution
System Power
The system does not power
on The system power cord is not
connected to an AC outlet. Connect the power cord to a working AC
outlet.
The system power cord is not
properly connected. Properly connect the power cord to the
system unit and to the AC outlet.
The AC outlet is faulty. Try another AC outlet.
The AC source is missing. Call your electrician to check the AC source.
Monitor
The monitor does not power
on (the monitor power light
is off) The monitor power switch is not set
to the ON position. Set the switch to the ON (I) position.
is off)
The power cord is not connected to
an AC outlet. Connect the power cord to a working AC
outlet.
The power cord is not properly
connected. Properly connect the power cord to the
monitor and to the AC outlet.
The AC outlet is faulty. Try another AC outlet.
The monitor power light is
on but nothing displays on
the screen The monitor contrast and/or
brightness knobs are set too low. Adjust the contrast and/or brightness knobs
until you can see the display.
the screen
(see note below)
The computer system is not
powered on. Power on the system.
The monitor video cable is not
properly connected to the dedicated
port. Properly connect the video cable to the
dedicated port.
The video cable is not connected to
the proper port. Check that video cable is connected to:
- The dedicated port for a graphic monitor
- A serial port for any ASCII terminal.
Mouse
The mouse does not move
the cursor or there is no
cursor on the screen
The mouse driver has not been
loaded. Load the mouse driver.
cursor on the screen
The wrong mouse driver is loaded. Remove the conflicting mouse driver and
install the correct one.
The mouse needs to be cleaned. Remove the tracking ball and clean it with a
damp cloth. Clean the contacts with a
component cleaning spray.
You are not using the mouse with
the proper monitor. Use the mouse with the system graphic
monitor.
The mouse buttons do not
work The contacts are dirty. Clean the contacts with a component cleaning
spray.
Note:
After you have powered on both the system and the graphic terminal connected to the dedicated port, it may
take several seconds before something is displayed on the screen. You have a problem only if nothing displays after at
least 1 minute.