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Error Code
Symptom
Boot Up, USB
3700
K/B
Malfunction
MSR
3701
Malfunction
USB Device
3703
Malfunction
Check Points
1. USB Keyboard
3. MB
1. MSR to 52 I/O board
Cable
2. MSR
3. MB
1. Device USB cable
3. MB
9/55
Detail Steps
1. Check if USB keyboard cable well connected with USB
port
2. If yes to item 2, replace with another keyboard(same
model) for testing
3. If fail, replace with another keyboard(other model) for
testing
4. If fail, shut down power, remove battery module/ remove
MSR module base/ I/O Cover, open rear cover, open EMI
chassis, remove inverter cable on M/B (CN1), replace with
another MB for testing.
7. If fail, system RMA to manufacturer
1. Shut down power, remove battery module, check if MSR
cable well connected with 52 I/O Board
2. If yes to item 2, replace with another MSR for testing
3. If fail, open rear cover, open EMI chassis, remove
inverter cable on M/B (CN1), replace with another MB for
testing
4. If fail, RMA MSR to manufacturer
1. Check if USB keyboard cable well connected with USB
port
2. If yes to item 2, replace with another keyboard(same
model) for testing
3. If fail, replace with another keyboard(other model) for
testing
4. If fail, shut down power, remove battery module/ remove
MSR module base/ I/O Cover, open rear cover, open EMI
chassis, remove inverter cable on M/B (CN1), replace with
another MB for testing.
7. If fail, system RMA to manufacturer
Rev. 1.1
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Table of Contents
Troubleshooting
