8224 N/B Maintenance
8224 N/B Maintenance
149
8.16 LAN Test Error-1
An error occurs when a LAN device is installed.
LAN Test Error
Yes
No
Test
OK?
No
Check if BIOS setup is ok.
Re-test
OK?
Board-level
Troubleshooting
Check the following parts for cold solder or one of the following
parts on the mother-board may be defective, use an oscilloscope
to check the following signal or replace the parts one at a time and
test after each replacement.
Parts:
Signals:
1.Check if the driver is installed properly.
2.Check if the notebook connect with the
LAN properly.
Yes
U13
U522
U513
J507
X504
L554
L549
L559
L566
U521
R829
R830
R190~R192
R244~R248
LAN3.3V
LAN1.2V
LAN_XTAL1
LAN_XTAL2
PCIE_RXP1_LAN
PCIE_RXN1_LAN
PCIE_TXP1_LAN
PCIE_TXN1_LAN
MDI[0..3]+
MDI[0..3]-
PJTX[0,1]+
PJTX[0,1]-
PJRX[0,1]+
PJRX[0,1]-
Correct it.
Correct it.
Replace
Motherboard
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