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Lenovo ThinkPad Edge E525 (English) User Guide - Page 139

A wireless LAN problem, Bluetooth problems, Update Driver Software, Problem, Solution, Start

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3. Click Update Driver Software, and then 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 the switch port is also 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 in the preceding problem for the procedure to make sure that the correct device driver is installed • Problem: If your computer is a Gigabit Ethernet model and you use the 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: Your computer 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 using the built-in wireless network card. Solution: Make sure that your wireless LAN driver is the latest version installed. 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. Make sure that the wireless radio is enabled by double-clicking the Access Connections icon on the taskbar. Note: For instructions on how to display the Access Connections status icon and the wireless status icon in the Windows notification area, refer to the Access Connections help information system. Check Network Name (SSID) and your encryption information. Use the Access Connections program to verify this case-sensitive information. Bluetooth problems • Problem: Sound does not come from the Bluetooth headset or headphone but comes from the local speaker even though the headset or headphone is connected using a Headset profile or AV profile. Solution: Do the following: 1. Exit the application that uses the sound device (for example, Windows Media Player). 2. Open Control Panel by clicking Start ➙ Control Panel, and click Hardware and Sound ➙ Sound then select the Playback tab. 3. If you are using a Headset profile, select Bluetooth Hands-free Audio and click the Set Default button. If you are using an AV profile, select Stereo Audio and click the Set Default button. 4. Click OK to close the Sound window. Chapter 9. Troubleshooting computer problems 121

Section	Page
Read this first	7
Important safety information	8
Conditions that require immediate action	9
Safety guidelines	9
Chapter 1. Product Overview	19
Locating computer controls, connectors, and indicators	19
Front view	20
Right-side view	24
Left-side view	25
Bottom view	27
Rear view	28
Status indicators	29
Locating important product information	31
Machine type and model label	31
FCC ID and IC Certification number label	32
Certificate of Authenticity label	33
Features	33
ThinkPad Edge E425 features	33
ThinkPad Edge E525 features	34
Specifications	36
Operating environment	36
ThinkVantage Technologies and software	37
Accessing applications	37
Access Connections	39
Active Protection System	39
Fingerprint Software	39
Lenovo Solutions Center	39
Lenovo ThinkVantage Tools	40
Lenovo ThinkVantage Toolbox	40
Message Center Plus	40
Password Manager	40
Power Manager	40
Product Recovery	41
Rescue and Recovery	41
System Update	41
ThinkVantage GPS	41
Chapter 2. Using your computer	43
Registering your computer	43
Frequently asked questions	43
Special keys and buttons	44
ThinkPad Edge E425 special keys	45
Thinkpad Edge E525 special keys	47
Using the UltraNav pointing device	49
Using the TrackPoint pointing device	49
Using the touch pad	51
Using the UltraNav pointing device and an external mouse	52
Adding the UltraNav icon in the Windows notification area	52
Power management	52
Checking battery status	53
Using the ac power adapter	53
Charging the battery	53
Maximizing battery life	54
Managing your battery power	54
Power-saving modes	54
Handling the battery	55
Connecting to the network	57
Ethernet connections	57
Wireless connections	57
Using a projector or an external display	60
Changing display settings	60
Connecting a projector or an external display	60
Using dual displays	61
Using audio features	62
Using an integrated camera	63
Using the optical drive	64
Using a flash media Card	64
Inserting a flash media card	64
Removing a flash media card	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	69
Travel accessories	70
Chapter 4. Security	71
Attaching a mechanical lock	71
Using passwords	71
Passwords and sleep mode	71
Typing passwords	72
Power-on password	72
Hard disk passwords	73
Supervisor password	74
Hard disk security	76
Using a fingerprint reader	76
Notice on deleting data from your hard disk drive	78
Using firewalls	79
Protecting data against viruses	79
Chapter 5. Recovery overview	81
Creating and using recovery media	81
Creating recovery media	82
Using recovery media	82
Performing backup and recovery operations	82
Performing a backup operation	83
Performing a recovery operation	83
Using the Rescue and Recovery workspace	83
Creating and using a rescue medium	84
Creating a rescue medium	84
Using a rescue medium	84
Reinstalling preinstalled applications and device drivers	85
Solving recovery problems	86
Chapter 6. Replacing devices	87
Static electricity prevention	87
Replacing the battery	87
Replacing the hard disk drive	89
Replacing the optical drive	92
ThinkPad Edge E425	92
ThinkPad Edge E525	95
Replacing a PCI Express Mini Card for wireless LAN connection	96
Replacing a memory module	99
Replacing the keyboard	102
ThinkPad Edge E425	102
ThinkPad Edge E525	106
Chapter 7. Advanced configuration	111
Installing a new operating system	111
Before you begin	111
Installing Windows 7 operating system	112
Installing device drivers	113
Installing the driver for the 4-in-1 media card reader	113
Installing Intel Chipset Support for Windows 2000/XP/Vista/7	113
Installing drivers and software	113
ThinkPad Setup	113
Config menu	114
Date/Time menu	115
Security menu	115
Startup menu	116
Restart menu	117
ThinkPad Setup items	117
Updating your system UEFI BIOS	123
Chapter 8. Preventing problems	125
General tips for preventing problems	125
Making sure device drivers are current	126
Getting the latest drivers from the Web site	126
Getting the latest drivers using System Update	126
Taking care of your computer	126
Cleaning the cover of your computer	128
Chapter 9. Troubleshooting computer problems	131
Diagnosing problems	131
Troubleshooting	132
Computer stops responding	132
Spills on the keyboard	133
Error messages	133
Errors without messages	137
Beep errors	138
Memory module problems	138
Networking problems	138
Problems with the keyboard and other pointing devices	140
Display and multimedia devices	140
Fingerprint reader problems	145
Battery and power problems	145
Problems with drives and other storage devices	148
Software problems	150
Problems with ports and connectors	150
Chapter 10. Getting support	151
Before you contact Lenovo	151
Registering your computer	151
Downloading system updates	151
Recording information	151
Getting help and service	152
Using diagnostic programs	152
Lenovo Support Web site	152
Calling Lenovo	153
Finding ThinkPad options	153
Purchasing additional services	154
Appendix A. Regulatory information	155
Wireless related information	155
Location of the UltraConnect wireless antennas	156
Locating wireless regulatory notices	157
Export classification notice	157
Electronic emission notices	157
Federal Communications Commission Declaration of Conformity	157
Industry Canada Class B emission compliance statement	157
European Union - Compliance to the Electromagnetic Compatibility Directive	158
German Class B compliance statement	158
Korea Class B compliance statement	158
Japan VCCI Class B compliance statement	159
Japan compliance statement for products which connect to the power mains with rated current less than or equal to 20 A per phase	159
Lenovo product service information for Taiwan	159
Additional regulatory information	159
Appendix B. WEEE and recycling statements	161
EU WEEE statements	161
China WEEE statement	161
Japan recycling statements	161
Recycling information for Brazil	162
Battery recycling information for Taiwan	163
Battery recycling information for the United States and Canada	163
Battery recycling information for the European Union	163
Appendix C. Notices	165

Match case Limit results 1 per page

3. Click

Update Driver Software

, and then 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 the switch port is also 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 in the preceding problem for the procedure to make sure that the correct device

driver is installed

•

Problem

: If your computer is a Gigabit Ethernet model and you use the 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

: Your computer 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 using the built-in wireless network card.

Solution

: Make sure that your wireless LAN driver is the latest version installed. 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.

Make sure that the wireless radio is enabled by double-clicking the Access Connections icon on the

taskbar.

Note:

For instructions on how to display the Access Connections status icon and the wireless status icon

in the Windows notiﬁcation area, refer to the Access Connections help information system.

Check Network Name (SSID) and your encryption information. Use the Access Connections program to

verify this case-sensitive information.

Bluetooth problems

•

Problem

: Sound does not come from the Bluetooth headset or headphone but comes from the local

speaker even though the headset or headphone is connected using a Headset proﬁle or AV proﬁle.

Solution

: Do the following:

1. Exit the application that uses the sound device (for example, Windows Media Player).

2. Open Control Panel by clicking

Start

➙

Control Panel

, and click

Hardware and Sound

➙

Sound

then select the

Playback

tab.

3. If you are using a Headset proﬁle, select

Bluetooth Hands-free Audio

and click the

Set Default

button. If you are using an AV proﬁle, select

Stereo Audio

and click the

Set Default

button.

4. Click

to close the Sound window.

Chapter 9

Troubleshooting computer problems

121