2 Troubleshooting Procedures
NB300/305 Series Maintenance Manual
26
The wireless LAN antenna wire, wireless LAN unit or system board may each be the source
of a wireless LAN fault. Any of these components may be damaged. To determine if the
computer’s wireless LAN system is functioning properly, perform the following procedures.
Figure 2-15 outlines the process. Start with Procedure 1 and continue with the other
procedures as instructed.
Procedure 1: Diagnostic test
Procedure 2: Connector and replacement check
Procedure 1
Diagnostic test
Run the Diagnostic Program, which will automatically execute the wireless LAN test. Test
and Diagnostic for more information on the program.
If an error is located, go to Procedure 2. If an error is not located, the wireless LAN system is
functioning properly.
Procedure 2
Connector and replacement check
The wireless LAN antenna, wireless LAN unit or system board may be disconnected or
damaged. Disassemble the computer following the steps described in Chapter 4,
Replacement
Procedures
, and perform the following checks.
Check 1
Make sure that the wireless LAN antenna is firmly connected to the Wireless
LAN module (refer to Chapter 4 for instructions) and that the wireless LAN
module is securely slotted into the system board. If the problem persists, go to
Check 2.
Check 2
Check that the wireless communication function is enable by BIOS setup and
FN+F8 , and then make sure that the wireless communication LED on the front
panel is light. If the LED is light but the wireless LAN function is still faulty, the
antenna may be damaged. Replace with a new antenna following the steps in
Chapter 4,
Replacement Procedures
. If the problem persists, or if the wireless
LAN LED is not light when the wireless communication function is enabled by
BIOS setup and FN+F8, go to Check 3.
Check 3
The wireless LAN unit may be damaged. Replace it with a new one following the
instructions in Chapter 4. If the problem still exists, perform Check 4.
Check 4
The system board may be damaged. Replace it with a new one following the
instructions in Chapter 4.
Содержание mini NB300
Страница 1: ...Toshiba Personal Computer NB300 Maintenance Manual TOSHIBA CORPORATION CONFIDENTIAL ...
Страница 13: ...Chapter 1 Hardware Overview ...
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Страница 30: ...Chapter 2 Troubleshooting Procedures ...
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Страница 77: ...Chapter 3 Tests and Diagnostic ...
Страница 88: ...3 Tests and Diagnostics If FAN RPM check is NG it will show as below NB300 305 Series Maintenance Manual 12 ...
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Страница 103: ...3 Tests and Diagnostics The screen will show below picture if RTC test is FAIL NB300 305 Series Maintenance Manual 27 ...
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Страница 120: ...3 Tests and Diagnostics If W R T P type passes the screen would display as below NB300 305 Series Maintenance Manual 44 ...
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Страница 133: ...3 Tests and Diagnostics If press 6 program will go back to test title as below NB300 305 Series Maintenance Manual 57 ...
Страница 134: ...Chapter 4 Replacement Procedures ...
Страница 231: ...Figure UI keyboard 7 Hebrew HB Keyboard Figure HB keyboard E 4 CONFIDENTIAL NB300 Series Maintenance Manual ...
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Страница 240: ...Figure SD keyboard 24 Belgian BE Keyboard Figure BE keyboard NB300 Series Maintenance Manual CONFIDENTIAL E 13 ...
Страница 244: ...31 Bulgaria BU Keyboard Figure BU keyboard 32 Japanese JP Keyboard NB300 Series Maintenance Manual CONFIDENTIAL E 17 ...
Страница 245: ...E 18 CONFIDENTIAL NB300 Series Maintenance Manual Figure JP keyboard ...