Fujitsu LifeBook E8420 User Manual Page 170
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- Table of contents
- TROUBLESHOOTING
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- Appendix A: WLAN User’s Guide
How to Handle This Device
The WLAN device is an optional device that may come pre-installed in your mobile computer. Under
normal circumstances, it should not be necessary for you to remove or re-install it. The Operating System
that your mobile computer comes with has been pre-configured to support the WLAN device.
• Intel WiFi Link 5300 device supports IEEE802.11a, IEEE802.11b, IEEE802.11g, and
IEEE802.11n.
• The WLAN device operates in the 2.4 GHz ISM band and the 5 GHz lower, middle, and upper UNII
bands.
• Microwave ovens may interfere with the operation of WLAN devices since they operate in the same
2.4 GHz frequency range as IEEE802.11b/g/n devices. Interference by microwaves does not occur
with IEEE802.11a radio which operates in the 5 GHz RF band.
• Wireless devices that transmit in the 2.4 GHz range may interfere with operation of WLAN devices
in IEEE802.11b/g/n modes. Symptoms of interference include reduced throughput, intermittent
disconnects, and many frame errors. It is HIGHLY recommended that these interfering devices be
powered off to ensure proper operation of the WLAN device.
Deactivating/Disconnecting the WLAN Device
Disconnecting the WLAN device may be desired in certain circumstances (to extend battery life) or where
certain environments require it (i.e. hospitals, clinics, airplanes, etc.). The WLAN device can be
deativated by using the Wireless Device On/Off Switch, and it can be disconnected in Windows using the
WLAN icon in the system tray (Note that disconnecting via the icon in the system tray does not turn off
the radio; it continues to transmit and receive even though it’s not connected.).
BEFORE USING THE WIRELESS LAN DEVICE, YOU MUST FIRST INSTALL CLICKME! TO ENSURE THAT THE
CORRECT SOFTWARE FOR YOUR DEVICE IS INSTALLED. SEE “INSTALLING CLICK ME!” ON PAGE 58.
- User’s Guide 1
- ASH HANDS AFTER HANDLING 3
- Recycling your battery 5
- Contents 6
- Preface 14
- Service and Support 15
- Fujitsu Shopping Online 16
- Limited Warranty 16
- Chapter 1 17
- Display Panel Latch Button 20
- Memory Stick/SD Card Slot 20
- IrDA Sensor 20
- Quick Point Cursor Control 20
- Microphone Jack 21
- Modem (RJ-11) Telephone Jack 21
- IEEE 1394 (4-pin) Jack 22
- ExpressCard Slot 22
- ExpressCard Eject Button 22
- PC Card Eject Button 22
- PC Card Slot 22
- Smart Card Slot 23
- Air Vents 23
- USB 2.0 Ports 23
- Headphone Jack 23
- DC Power Jack 23
- Anti-theft Lock Slot 24
- Flexible Bay 24
- Flexible Bay Release Latch 24
- Memory Upgrade Compartment 27
- Lithium ion Battery Bay 28
- Port Replicator Connector 28
- Dust Filter 28
- Status Indicator Panel 29
- DAMAGED 31
- Keyboard 33
- Numeric Keypad 34
- Windows Keys 34
- Cursor Keys 34
- Function Keys 35
- Touchpad Pointing Device 36
- - Touchpad Pointing Device 37
- Volume Control 40
- Flexible Bay Devices 41
- Release Latch 42
- 1 2 3 4 Enter 43
- Numbered Buttons 44
- Enter Button 44
- Low Battery Operations 47
- 1 Click on Start 51
- 2 Click on Programs 51
- Chapter 2 52
- Connecting the Power Adapters 53
- Display Panel 54
- Closing the Display Panel 56
- Power/Suspend/Resume Button 57
- Using the TrustedCore Menu 59
- BIOS Guide 60
- ClickMe! 63
- Power Management 65
- - Power Management 66
- Chapter 3 70
- Low Battery State 72
- - Lithium ion Battery 73
- OR CHARGE YOUR BATTERY 74
- Optical Drive 75
- Removing Media 78
- Emergency Release Hole 79
- - Optical Drive 80
- Memory Stick 82
- PC Cards/ExpressCards™ 84
- Installing ExpressCards 86
- Figure 21. Smart Card Slot 88
- Memory Upgrade Module 89
- - Memory Upgrade Module 90
- CAPACITY 90
- Memory Clip 91
- Device Ports 93
- - Device Ports 95
- Universal Serial Bus Ports 96
- Chapter 4 100
- Audio Problems 103
- Port Replicator Problems 104
- Floppy Disk Drive Problems 104
- Hard Drive Problems 105
- Keyboard or Mouse Problems 105
- Memory Problems 106
- Modem Problems 106
- PC Card/ExpressCard Problems 107
- Power Failures 107
- Shutdown and Startup Problems 109
- Video Problems 110
- Miscellaneous Problems 112
- : nnnn 115
- Procedure 122
- Highlight the CD/DVD option 123
- Displays the FDU readme 124
- Care and Maintenance 125
- 1 Tur n i t of f 126
- - Care and Maintenance 127
- Caring for your Batteries 131
- Increasing Battery Life 131
- Caring for your Cards 133
- System Specifications 134
- System Memory 135
- Cache Memory 135
- Video Color and Resolution 135
- Video RAM 136
- Hard Drive 136
- N wireless LAN 137
- Trusted Platform Module 138
- Theft Prevention Lock 138
- On the LifeBook notebook: 138
- - System Specifications 139
- Batteries 140
- AC Adapter 140
- Tutorials 142
- Manuals 142
- Glossary 146
- - Glossary 147
- Wi-Fi Compatible 158
- Regulatory Information 159
- - Regulatory Information 160
- Export restrictions 166
- Canadian Notice 166
- N Wireless LAN (AGN) 167
- Ad Hoc Mode 168
- How to Handle This Device 170
- WLAN Switch 171
- Configuring the Wireless LAN 172
- Troubleshooting the WLAN 173
- (continued) 174
- WLAN Specifications 175
- Using the Bluetooth Device 177
- Warranty 178
- Using a UWB Device 179
- Fingerprint sensor 180
- Master Password Concept 184
- Password Replacement 186
- Remembering a Password 187
- Associating a Friendly Name 188
- With Master Password 189
- Password Management 189
- OmniPass User Identities 190
- Switch User Identity 191
- User Management 194
- User Settings 195
- System Settings 195
- Index 198
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