Simrad Maris ECDIS900 - 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.
WINDOWS 7
• 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
FAILURES AND FIX
POWER SUPPLY
Equipment
Failure
detection
Cause
Effect Action to fix
Power
cables
Power
switch
P11
Black screen
No audible start
of the computer
(Hard disk or
fan).
No
connection
to an
external
power
source.
Cables
unplugged.
Power
switch
failure
Computer
won’t run
Connect to an
external power
source.
Check cables
plug.
Change power
switch
12V power
unit
P12
Black screen
Audible start.
Defective
12V power
unit
Computer
won’t run
Replace 12V
power unit
5V power
unit
P13
No data on
screen
Faint back light
visible when
back light is
fully on
Defective 5V
power unit
Computer
won’t run
Replace 5V power
unit
Fan
P14
Computer
powered off
automatically
according to
BIOS settings
The unit
temperature
was
exceeded.
The fan may
be blocked
Computer
stops
Unit is in an
exceedingly
environment. Let
it cool down.
Ensure computer
air vents are not
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