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A wireless LAN problem, For Windows XP

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2. Click Hardware and Sound. 3. Click Device Manager. If you are prompted for an administrator password or confirmation, type the password or provide confirmation. 4. If the exclamation mark ! is displayed next to the adapter name under Network adapters, you might not be using the correct driver or the driver might have been disabled. To update the driver, right-click the highlighted adapter. 5. Click Update Driver Software, and then follow the instructions on the screen. For Windows XP: 1. Click Start, and then click Control Panel. 2. Click Performance and Maintenance, and then click System. 3. Click the Hardware tab, and click the Device Manager button. 4. If the x mark is to the left of the adapter name under Network adapter, you might not use the correct driver or the driver is not enabled. To update the driver, right-click the highlighted adapter. 5. Click Properties. The Properties window appears. 6. Click the Driver tab. 7. Click the Update Driver button. The Update Device Driver wizard appears. Follow the instructions on the screen. - The switch port and the adapter have the same duplex setting. If you configured the adapter for full duplex, make sure that the switch port also is configured for full duplex. Setting the wrong duplex mode can degrade performance, cause data loss, or result in lost connections. - You have installed all networking software that is necessary for your network environment. Check with your LAN administrator for the necessary networking software. • Problem: The adapter stops working for no apparent reason. Solution: The network driver files might be corrupt or missing. Update the driver by referring to the solution description for the procedure to make sure that the correct device driver is installed in the preceding problem. • Problem: If your computer is a Gigabit Ethernet model and you use a speed of 1000 Mbps, the connection fails or errors occur. Solution: - Use Category 5 wiring and make sure that the network cable is securely connected. - Connect to a 1000 BASE-T hub/switch (not 1000 BASE-X). • Problem: If your computer is a Gigabit Ethernet model, it cannot connect to the network at 1000 Mbps. Instead, it connects at 100 Mbps. Solution: - Try another cable. - Make sure that the link partner is set to auto-negotiate. - Make sure that the switch is 802.3ab-compliant (gigabit over copper). A wireless LAN problem • Problem: You cannot connect to the network using the built-in wireless networking card. Solution: Make sure that your wireless LAN driver is the latest version. Check the Web site and confirm the driver version supported by Access Connections is the latest documented in the README file. Make sure that your computer is within range of a wireless access point. Chapter 10. Troubleshooting computer problems 133

Section	Page
Read this first	7
Important safety information	8
Conditions that require immediate action	9
Safety guidelines	9
Chapter 1. Product overview	17
Locating computer controls, connectors, and indicators	17
Front view	18
Right-side view	20
Left-side view	22
Bottom view	23
Status indicators	24
Locating important product information	26
Machine type and model label	27
FCC ID and IC Certification number label	27
Certificate of Authenticity label	28
Features	28
Specifications	29
Operating environment	30
ThinkVantage Technologies and software	31
Accessing applications in Windows 7	31
Access Connections	33
Active Protection System	33
Lenovo Screen Reading Optimizer	33
Lenovo Solution Center	33
Lenovo ThinkVantage Tools	33
Lenovo ThinkVantage Toolbox	34
Message Center Plus	34
Password Manager	34
Power Manager	34
Product Recovery	34
Presentation Director	35
Rescue and Recovery	35
SimpleTap	35
System Update	35
ThinkVantage GPS	35
ThinkVantage Productivity Center	35
Chapter 2. Using your computer	37
Registering your computer	37
Frequently asked questions	37
Special keys and buttons	38
Function key combinations	38
Windows key and application key	41
Using the UltraNav pointing device	42
Using the TrackPoint pointing device	43
Using the touch pad	44
Behavior of the UltraNav and an external mouse	45
Adding the UltraNav icon to the system tray	45
Power management	46
Checking battery status	46
Using the ac power adapter	46
Charging the battery	47
Maximizing battery life	47
Power-saving modes	47
Handling the battery	49
Connecting to the network	50
Ethernet connections	50
Wireless connections	50
Using a projector or external monitor	58
Changing display settings	58
Attaching an external monitor	58
Setting up a presentation	61
Using a color profile	61
Using audio features	61
Using the integrated camera	62
Using dual displays	63
Using the media card reader	65
Chapter 3. You and your computer	67
Accessibility and comfort	67
Ergonomic information	67
Adjusting your computer to fit you	68
Accessibility information	69
Traveling with your computer	69
Travel tips	70
Travel accessories	70
Chapter 4. Security	71
Attaching a mechanical lock	71
Using passwords	71
Passwords and sleep (standby) mode	72
Power-on password	72
Hard disk passwords	73
Supervisor password	75
Hard disk security	77
Notice on deleting data from your hard disk drive or solid state drive	77
Using and understanding firewalls	78
Protecting data against viruses	78
Chapter 5. Recovery overview	79
Creating and using recovery media	79
Creating recovery media	80
Using recovery media	80
Performing backup and recovery operations	81
Performing a backup operation	81
Performing a recovery operation	81
Using the Rescue and Recovery workspace	82
Creating and using a rescue medium	83
Creating a rescue medium	83
Using a rescue medium	83
Reinstalling preinstalled applications and device drivers	84
Solving recovery problems	85
Chapter 6. Replacing devices	87
Static electricity prevention	87
Replacing the battery	87
Replacing the solid state drive or hard disk drive	89
Replacing a memory module	92
Replacing the keyboard	95
Installing and replacing the PCI Express Mini Card for wireless LAN/WiMAX connection	99
Installing and replacing the PCI Express Mini Card for wireless WAN connection	103
Replacing the SIM card	106
Replacing the backup battery	108
Chapter 7. Enhancing your computer	113
Finding ThinkPad options	113
Chapter 8. Advanced configuration	115
Installing a new operating system	115
Before you begin	115
Installing the Windows 7 operating system	116
Installing Windows Vista	117
Installing Windows XP	118
Installing device drivers	120
Installing the driver for 4-in-1 media card reader	120
Installing ThinkPad Monitor File for Windows 2000/XP/Vista/7	120
Installing Intel Chipset Support for Windows 2000/XP/Vista/7	121
Installing drivers and software	122
ThinkPad Setup	122
Config menu	123
Date/Time menu	123
Security menu	123
Startup menu	124
Restart menu	126
ThinkPad Setup items	126
Updating your system UEFI BIOS	133
Using system management	133
System management	134
Setting management features	134
Chapter 9. Preventing problems	137
General tips for preventing problems	137
Making sure device drivers are current	138
Getting the latest drivers from the Web site	138
Getting the latest drivers using System Update	138
Taking care of your computer	139
Cleaning the cover of your computer	140
Chapter 10. Troubleshooting computer problems	143
Diagnosing problems	143
Troubleshooting	144
Computer stops responding	144
Spills on the keyboard	145
Error messages	145
Errors without messages	147
Beep errors	148
Memory problems	148
Networking	148
Keyboard and other pointing devices	153
Display and multimedia devices	154
Battery and power	161
Drives and other storage devices	164
Software problems	165
Ports and connectors	165
Universal Serial Bus problems	165
Chapter 11. Getting support	167
Before you contact Lenovo	167
Registering your computer	167
Downloading system updates	167
Recording information	167
Getting help and service	168
Using diagnostic programs	168
Lenovo Support Web site	168
Calling Lenovo	168
Purchasing additional services	169
Appendix A. Regulatory information	171
Wireless related information	171
Locating the UltraConnect wireless antennas	172
Locating wireless regulatory notices	172
Export classification notice	173
Electronic emission notices	173
Federal Communications Commission Declaration of Conformity	173
Industry Canada Class B emission compliance statement	174
European Union - Compliance to the Electromagnetic Compatibility Directive	174
German Class B compliance statement	174
Korea Class B compliance statement	175
Japanese VCCI Class B statement	175
Japan compliance statement for products which connect to the power mains with rated current less than or equal to 20 A per phase	175
Lenovo product service information for Taiwan	175
Additional regulatory information	175
Appendix B. WEEE and recycling statements	177
EU WEEE statements	177
Japan recycling statements	177
Recycling information for Brazil	178
Battery recycling information for the European Union	178
Battery recycling information for Taiwan	179
Battery recycling information for the United States and Canada	179
Appendix C. Notices	181

Match case Limit results 1 per page

2. Click

Hardware and Sound

3. Click

Device Manager

. If you are prompted for an administrator password or conﬁrmation, type

the password or provide conﬁrmation.

4. If the exclamation mark ! is displayed next to the adapter name under

Network adapters

, you

might not be using the correct driver or the driver might have been disabled. To update the driver,

right-click the highlighted adapter.

5. Click

Update Driver Software

, and then follow the instructions on the screen.

For Windows XP:

1. Click

Start

, and then click

Control Panel

2. Click

Performance and Maintenance

, and then click

System

3. Click the

Hardware

tab, and click the

Device Manager

button.

4. If the

mark is to the left of the adapter name under Network adapter, you might not use the

correct driver or the driver is not enabled. To update the driver, right-click the highlighted adapter.

5. Click

Properties

. The Properties window appears.

6. Click the

Driver

tab.

7. Click the

Update Driver

button. The Update Device Driver wizard appears. Follow the instructions

on the screen.

–

The switch port and the adapter have the same duplex setting.

If you conﬁgured the adapter for full duplex, make sure that the switch port also is conﬁgured for

full duplex. Setting the wrong duplex mode can degrade performance, cause data loss, or result in

lost connections.

–

You have installed all networking software that is necessary for your network environment.

Check with your LAN administrator for the necessary networking software.

•

Problem

: The adapter stops working for no apparent reason.

Solution

: The network driver ﬁles might be corrupt or missing. Update the driver by referring to the

solution description for the procedure to make sure that the correct device driver is installed in the

preceding problem.

•

Problem

: If your computer is a Gigabit Ethernet model and you use a speed of 1000 Mbps, the

connection fails or errors occur.

Solution

–

Use Category 5 wiring and make sure that the network cable is securely connected.

–

Connect to a 1000 BASE-T hub/switch (not 1000 BASE-X).

•

Problem

: If your computer is a Gigabit Ethernet model, it cannot connect to the network at 1000 Mbps.

Instead, it connects at 100 Mbps.

Solution

–

Try another cable.

–

Make sure that the link partner is set to auto-negotiate.

–

Make sure that the switch is 802.3ab-compliant (gigabit over copper).

A wireless LAN problem

•

Problem

: You cannot connect to the network using the built-in wireless networking card.

Solution

: Make sure that your wireless LAN driver is the latest version. Check the Web site and conﬁrm

the driver version supported by Access Connections is the latest documented in the README ﬁle.

Make sure that your computer is within range of a wireless access point.

Chapter 10

Troubleshooting computer problems

133