T r o u b l e s h o o t i n g
Troubleshooting checklist
If you encounter a problem with the computer the following sections suggest checks to make before you alert your dealer, authorized maintainer or support organisation. The checks listed cover the causes of common problems.
Connections
Check that all power and signal cables are securely connected to the correct port on the computer.
The keyboard and mouse are particularly easy to connect into the wrong port. Although the connectors are identical, the keyboard will not work if plugged into the mouse port, and vice versa.
The two serial ports also appear identical; if you have a problem make sure that the cable is connected to the port you are trying to use.
Power
Check that the AC power supply is switched on, and that the fuse in the AC plug (if any) has not blown. If the system still does not seem to be getting power, obtain another power cord from your supplier.
Monitor
If there is no display, check that the monitor is turned on, and the brightness and contrast controls are not too low.
If you have fitted a new video controller expansion card and subsequently encounter problems, try disabling the
Expansion cards
If an expansion card does not work, check that all cables are securely connected to the card, that the card is configured correctly, that its use of system resources does not conflict another card or motherboard component, and that legacy resources (if it is an ISA
APRICOT 340 OWNER’S HANDBOOK 8/5