Personal Computer Troubleshooting

Error Tones
1. CLB - Continues Long Beep

Problems:
A. Memory Modules
B. Memory Slot

2. CSB - Continues Short Beeps

Problems:
A. Keyboard Port
B. Keyboard
C. Keyboard Controller
D. CPU Overheating
E. Cpu Fan / Heat sinkStooped

3. 1L3SB - 1 Long and 3 Short Beep

Problems:
A. Monitor signal Cable
B. Video Card
C. AGP / PCI Slots

Black Out Problems:

1. Defective AVR
2. Defective Power Cord
3. Defective Power Supply
4. Defective Motherboard
5. Defective Memory
6. Defective Processor
7. Defective Video Card
8. Defective Expansion Slots
9. Inserted Wrong Voltage
10. Corrupted operating System Programs
11. Virus Infections

Personal Computer Troubleshooting Techniques

1. Process Of Elimination

A. Do What You Want Method
B. Check Two or More Connections at a Time
C. Hand Point Failing Hardware

2. Divide and Conquer

A. Use hierarchical Method
B. Use Step by Step Procedure
C. Easy to Point Failing Hardware

HIERARCHICAL LIST:



Provide and Conquer

1. Remove The Memory from the system and turn "on" the computer.
2. The removed memory will tell you which can place to go
3. Your Constant Question? "Is There an Error Tone??
YES - What Error Tone? Phase 2
NO - Phase 1