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Lenovo B430 User Guide - Page 116

A wireless LAN problem, Hardware and Sound, Device Manager, Network adapters, Update Driver Software

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1. Go to Control Panel and click Hardware and Sound ➙ Device Manager. If you are prompted for an administrator password or confirmation, type the password or provide confirmation. 2. 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. 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 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 above solution 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 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: The Wake on LAN feature is not working. Solution: - Make sure that Wake on LAN is enabled in Lenovo Setup. - If it is, check with your LAN administrator for the necessary settings. • 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 network card. Solution: • If your computer is installed with Windows 7 operating system, ensure that: - Your wireless LAN driver is the latest version. Check the Web site and confirm that the driver version supported by the Access Connections program is the latest documented in the readme file. - Your computer is within range of a wireless access point. - The wireless radio is enabled by double-clicking the Access Connections icon on the taskbar. 102 User Guide

Section	Page
Read this first	5
Important safety information	6
Conditions that require immediate action	7
Safety guidelines	7
Capítulo 1. Product overview	15
Locating computer controls, connectors, and indicators	15
Front view	15
Right-side view	17
Left-side view	18
Bottom view	19
Rear view	20
Status indicators	20
Locating important product information	22
Machine type and model label	22
Certificate of Authenticity label	22
Features	23
Specifications	24
Operating environment	24
Lenovo programs	25
Accessing Lenovo programs on the Windows 7 operating system	25
Accessing Lenovo programs on the Windows 8 operating system	27
An introduction to Lenovo programs	27
Capítulo 2. Using your computer	31
Registering your computer	31
Frequently asked questions	31
Special keys and buttons	33
Using the touch pad	35
Power management	35
Checking the battery status	36
Using the ac power adapter	36
Charging the battery	37
Maximizing the battery life	37
Managing the battery power	37
Power-saving modes	37
Handling the battery	39
Connecting to the network	40
Ethernet connections	40
Wireless connections	41
Using a projector or an external display	44
Changing display settings	44
Connecting a projector or an external monitor	44
Using dual displays	45
Using audio features	46
Using the integrated camera	47
Using the optical drive	47
Using a flash media card	48
Inserting a flash media card	48
Removing a flash media card	48
Capítulo 3. You and your computer	51
Accessibility and comfort	51
Ergonomic information	51
Comfort	52
Accessibility information	52
Traveling with your computer	53
Travel tips	53
Travel accessories	53
Capítulo 4. Security	55
Attaching a mechanical lock	55
Using passwords	55
Passwords and sleep mode	55
Typing passwords	55
Power-on password	56
Hard disk passwords	56
Supervisor password	58
Hard disk security	60
Notice on deleting data from your hard disk drive or solid state drive	60
Using firewalls	61
Protecting data against viruses	61
Capítulo 5. Replacing devices	63
Static electricity prevention	63
Replacing the battery	63
Replacing the hard disk drive	65
Replacing the optical drive	68
Replacing a PCI Express Mini Card for wireless LAN connection	70
Replacing a memory module	73
Replacing the keyboard	75
Replacing the backup battery	80
Replacing the thermal fan	82
Capítulo 6. Advanced configuration	85
Installing a new operating system	85
Before you begin	85
Installing the Windows 7 operating system	86
Installing the Windows 8 operating system	87
Installing device drivers	87
Installing the driver for the 4-in-1 media card reader	87
Installing the driver for USB 3.0	87
Installing the monitor file for Windows 2000/XP/Vista/7	87
Installing other drivers and software	88
Lenovo Setup	88
Main menu	89
Config menu	89
Date/Time menu	93
Security menu	94
Startup menu	98
Restart menu	100
Updating your system UEFI BIOS	101
Capítulo 7. Preventing problems	103
General tips for preventing problems	103
Making sure device drivers are current	104
Taking care of your computer	104
Cleaning the cover of your computer	106
Capítulo 8. Troubleshooting computer problems	109
Diagnosing problems	109
Troubleshooting	109
Computer stops responding	109
Spills on the keyboard	110
Error messages	110
Errors without messages	114
Beep errors	115
Memory module problems	115
Networking problems	115
Keyboard problems	117
Problems with the display and multimedia devices	118
Battery and power problems	122
Problems with drives and other storage devices	125
A software problem	127
Problems with ports and connectors	127
Capítulo 9. Getting support	129
Before you contact Lenovo	129
Getting help and service	129
Using diagnostic programs	130
Lenovo Support Web site	130
Calling Lenovo	130
Finding options	131
Purchasing additional services	131
Apêndice A. Regulatory information	133
Wireless related information	133
Location of the UltraConnect wireless antennas	134
Locating wireless regulatory notices	135
Apêndice B. WEEE and recycling statements	137
Important WEEE information	137
Japan recycling statements	137
Recycling information for Brazil	138
Battery recycling information for the European Union	138
Battery recycling information for Taiwan	139
Battery recycling information for the United States and Canada	139
Apêndice C. ENERGY STAR model information	141
Apêndice D. Notices	143

Match case Limit results 1 per page

1. Go to Control Panel and click

Hardware and Sound

➙

Device Manager

. If you are prompted for

an administrator password or conﬁrmation, type the password or provide conﬁrmation.

2. 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.

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 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 above

solution 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 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

: The Wake on LAN feature is not working.

Solution

–

Make sure that Wake on LAN is enabled in Lenovo Setup.

–

If it is, check with your LAN administrator for the necessary settings.

•

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 network card.

Solution

•

If your computer is installed with Windows 7 operating system, ensure that:

–

Your wireless LAN driver is the latest version. Check the Web site and conﬁrm that the driver version

supported by the Access Connections program is the latest documented in the readme ﬁle.

–

Your computer is within range of a wireless access point.

–

The wireless radio is enabled by double-clicking the Access Connections icon on the taskbar.

102

User Guide