Simrad Maris ECDIS900 Technical Manual page 66

Troubleshooting
Check OFF the box: Require users to press Ctrl Alt Delete before logging on
•
Select users panel
•
Check OFF the box: Users must enter a user name and password to use this computer.
•
Restart the PC.
•
W 7
INDOWS
Input netplwiz in the Run field of the Start menu
•
The User accounts dialog appears
•
Tick off the "User must enter a user name and password to use this computer" box
•
Click Apply
•
Go to the Advanced tab
•
Press the Advanced button in the Advanced user management group
•
Check that box "Password never expires" is ticked on for required groups
•
Restart the PC
•
F
AILURES AND FIX
P
OWER SUPPLY
Failure
Equipment
detection
Power Black screen
cables No audible start
Power of the computer
switch (Hard disk or
P11 fan).
12V power
Black screen
unit
Audible start.
P12
No data on
screen
5V power
Faint back light
unit
visible when
P13
back light is
fully on
Computer
powered off
Fan
automatically
P14
according to
BIOS settings
66
Cause Effect
No
connection
to an
external
power
Computer
source.
won't run
Cables
unplugged.
Power
switch
failure
Defective
Computer
12V power
won't run
unit
Defective 5V Computer
power unit won't run
The unit
temperature
was Computer
exceeded. stops
The fan may
be blocked
Action to fix
Connect to an
external power
source.
Check cables
plug.
Change power
switch
Replace 12V
power unit
Replace 5V power
unit
Unit is in an
exceedingly
environment. Let
it cool down.
Ensure computer
air vents are not