Olivetti Explora 200, Service Manual

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1-20 XZAC3273
1.10
TROUBLESHOOTING
1.10.1
System errors
Problem Solution
The system is not powered
•
Check the +5Vsb power supply and make sure that the power cord is
connected correctly.
•
Check that the on/off button is working correctly.
The system does not start
•
Check insertion or replace the RAM.
•
Check the setting of the CPU frequency jumper.
•
Re-insert or replace the CPU.
•
Check all the connections
•
Check the BIOS.
PS2 port not working
•
Check that the CN9 connector is connected correctly or replace it.
•
Replace the I/O board.
CMOS error or loss of CMOS
data
•
Load optimized settings for the BIOS.
•
Reset CMOS via the jumper and load optimized settings for the BIOS.
Bootstrap failed or Bootstrap
took too long to detect device
•
If the system does not detect the IDE interface or takes too long to detect
it, reconnect the IDE cable or replace the hard disk and the IDE cable.
•
Check correct setting of the IDE jumper.
•
Replace the RAM(s).
The system is blocked during
start-up/ screen blue
•
Check the RAM.
•
Check the Hard Disk.
•
Reinstall the operating system.
The system blocks for no
particular reason
•
Check that the fan of the CPU is working correctly.
•
Check the setting of the CPU frequency jumper
•
Check the IDE interface.
•
Check the RAM.
•
Reinstall the operating system.
No video signal or incorrect
colors on screen
•
Check that the cable of the LCD is connected correctly or replace the
LCD.
•
Check that the Inverter board is connected correctly or replace the
Inverter board.
•
Check the setting of the LCD jumper.