User`s manual

3-1
Chapter 3: Troubleshooting
Chapter 3
Troubleshooting
3-1 Troubleshooting Procedures
Use the following procedures and chart to troubleshoot your system. If you have
followed all of the procedures below and still need assistance, refer to the ‘Tech-
nical Support Procedures’ and/or ‘Returning Merchandise for Service’ section(s)
in this chapter.
Before Power On
1. Make sure no short circuits exist between the motherboard and chassis.
2. Disconnect all ribbon/wire cables from the motherboard.
3. Remove all the add-on cards except for the video/graphics card. (Make
sure the video/graphics card is inserted properly.)
4. Install a CPU, a chassis speaker and power LED to the motherboard.
(Check all the jumper settings as well.)
5. Install one memory module into Bank 0.
6. Check the power supply voltage monitor 115 V / 230 V switch.
Power On
Sytem Power
LED on?
System
Halts?
Speaker
Beeps?
Speaker
Beeps?
Number of
Beeps
Video
Display?
Power
Supply OK?
Speaker
Beeps?
Remove
Memory
Check CPU &
BIOS
Replace
Motherboard
Replace Power
Supply
Check BIOS
Settings &
Add-on Cards
Motherboard
Good
Memory
Problem:
Check Memory
Video Card
Problem
N
N
N
N
N
N
N
Y
Y
Y
Y
Y
6
8
Y
Y
*
See "Before Power On,"
above, before procedin
g
with
these steps.
Figure 3-1. Troubleshooting Flowchart