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Prestigio Nobile 150
8.11 LAN Test Error
An error occurs when a LAN device is installed.
LAN Test Error
1.Check if the driver is installed properly.
2.Check if the notebook connect with the
LAN properly.
Test
OK?
No
Check if BIOS setup is ok.
Re-test
OK?
No
Yes
Correct it.
Yes
Correct it.
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.
Board-level
Troubleshooting
U511
U12
U515
U509
J511
X504
L534
L536
Q520
Q519
Replace
L531
Motherboard
L533
L535
R645
JS3
135
Parts:
Signals:
+LAN_A2.5V
+LAN_D2.5V
CARD_RI#
PCICLK_LAN
PCIRST#
IN_PIRQE#
PCI_REQ1
PCI_FRAME#
PCI_DEVSEL#
PCI_TRDY#
PCI_IRDY#
PCI_PME#
PCI_STOP#
TECHNICAL SERVICE MANUAL
PCI_GNT1#
PCI_PAR
AD[0..31]
CBE#[0..3]
RXIN+
RXIN-
TXD+
TXD-
EECS
EESK
EEDI
EEDO
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