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Lenovo ThinkPad Edge L330 (English) User Guide - Page 101

Battery and power problems, Battery problems

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• Problem: A volume or balance slider cannot be moved. Solution: The slider might be grayed out. This means that its position is fixed by the hardware and cannot be changed. • Problem: The volume sliders do not stay in place when some audio applications are used. Solution: It is normal for the sliders to change position when certain sound applications are used. The applications are aware of the Volume Mixer window and are allowed to change the settings themselves. An example is the Windows Media Player. Usually the application has sliders available to control the sound from within the application. • Problem: The balance slider cannot completely mute one channel. Solution: The control is designed to compensate for minor differences in balance and does not completely mute either channel. • Problem: The sound cannot be turned off completely even if you set the Master volume control at minimum. Solution: You still can hear some sound even though you have set the Master volume control at minimum. To turn off the sound completely, go to the Master volume control and select Mute speakers. • Problem: When you connect a headphone to your computer while playing sound, a speaker does not produce sound. Solution: Once the headphone is attached, the streaming is automatically redirected to it. If you want to listen to sound from the speakers again, be sure to set those speakers as the default device. For details, refer to the help information system for Realtek HD Audio. Battery and power problems This section tells what to do if you have a battery and power problem. Battery problems • Problem: The battery pack cannot be fully charged by the power-off method in the standard charge time for your computer. Solution: The battery pack might be over-discharged. Do the following: 1. Turn off the computer. 2. Make sure that the over-discharged battery pack is in the computer. 3. Connect the ac power adapter to the computer and let it charge. If the optional Quick Charger is available, use it to charge the over-discharged battery pack. If the battery pack cannot be fully charged in 24 hours, use a new battery pack. • Problem: Your computer shuts down before the battery status indicator shows empty, -or- Your computer operates after the battery status indicator shows empty. Solution: Discharge and recharge the battery pack. • Problem: The operating time for a fully charged battery pack is short. Solution: Discharge and recharge the battery pack. If your battery's operating time is still short, use a new battery pack. • Problem: The computer does not operate with a fully charged battery pack. Solution: The surge protector in the battery pack might be active. Turn off the computer for one minute to reset the protector; then turn on the computer again. Chapter 8. Troubleshooting computer problems 87

Section	Page
Read this first	5
Important safety information	6
Conditions that require immediate action	7
Safety guidelines	7
Chapter 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
Status indicators	20
Locating important product information	22
Machine type and model label	22
FCC ID and IC Certification number label	22
Certificate of Authenticity label	23
Features	23
Specifications	24
Operating environment	25
ThinkVantage programs	25
Accessing ThinkVantage programs on the Windows 7 operating system	25
Introduction to ThinkVantage programs	27
Chapter 2. Using your computer	29
Registering your computer	29
Frequently asked questions	29
Special keys	30
Function key combinations	31
Windows key	33
Using the UltraNav pointing device	33
Using the TrackPoint pointing device	34
Using the touch pad	35
Behavior of the UltraNav pointing device and an external mouse	35
Adding the UltraNav icon to the Windows notification area	36
Power management	36
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	40
Presentations and multimedia	44
Changing display settings	44
Connecting a projector or an external display	44
Using the Extend desktop function	46
Using the NVIDIA Optimus Graphics feature	47
Using audio features	47
Using an integrated camera	47
Using a flash media card	48
Chapter 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	54
Chapter 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
Chapter 5. Recovery overview	63
Creating and using a recovery media	63
Performing backup and recovery operations	64
Performing a backup operation	64
Performing a recovery operation	65
Using the Rescue and Recovery workspace	65
Creating and using a rescue medium	66
Creating a rescue medium	66
Using a rescue medium	66
Reinstalling preinstalled applications and device drivers	67
Solving recovery problems	68
Chapter 6. Advanced configuration	69
Installing a new operating system	69
Before you begin	69
Installing the Windows 7 operating system	70
Installing device drivers	71
Installing the driver for the 4-in-1 media card reader	71
Installing the driver for USB 3.0 in Windows 7	71
Installing the ThinkPad Monitor File for Windows 2000/XP/Vista/7	71
Installing other drivers and software	72
ThinkPad Setup	72
Main menu	72
Config menu	73
Date/Time menu	77
Security menu	77
Startup menu	80
Restart menu	82
Updating your system UEFI BIOS	82
Using system management	83
System management	83
Setting management features	84
Chapter 7. Preventing problems	87
General tips for preventing problems	87
Making sure device drivers are current	88
Taking care of your computer	89
Cleaning the cover of your computer	90
Chapter 8. Troubleshooting computer problems	91
Diagnosing problems	91
Troubleshooting	91
Computer stops responding	91
Spills on the keyboard	92
Error messages	92
Errors without messages	94
Beep errors	95
Memory module problems	95
Networking problems	95
Problems with keyboard and other pointing devices	97
Problems with display and multimedia devices	98
Battery and power problems	101
Problems with drives and other storage devices	104
A software problem	104
A USB problem	105
Chapter 9. Getting support	107
Before you contact Lenovo	107
Getting help and service	107
Using diagnostic programs	108
Lenovo support Web site	108
Calling Lenovo	108
Finding ThinkPad options	109
Purchasing additional services	109
Appendix A. Regulatory Information	111
Wireless related information	111
Location of the UltraConnect wireless antennas	112
Locating wireless regulatory notices	113
Export classification notice	113
Electronic emission notices	113
Federal Communications Commission Declaration of Conformity	113
Industry Canada Class B emission compliance statement	114
European Union - Compliance to the Electromagnetic Compatibility Directive	114
German Class B compliance statement	114
Korea Class B compliance statement	115
Japan VCCI Class B compliance statement	115
Japan compliance statement for products which connect to the power mains with rated current less than or equal to 20 A per phase	115
Lenovo product service information for Taiwan	115
Appendix B. WEEE and recycling statements	117
EU WEEE statements	117
Japan recycling statements	117
Recycling information for Brazil	118
Battery recycling information for Taiwan	118
Battery recycling information for the European Union	119
Battery recycling information for the United States and Canada	119
Appendix C. ENERGY STAR model information	121
Appendix D. Notices	123

Match case Limit results 1 per page

•

Problem

: A volume or balance slider cannot be moved.

Solution

: The slider might be grayed out. This means that its position is ﬁxed by the hardware and

cannot be changed.

•

Problem

: The volume sliders do not stay in place when some audio applications are used.

Solution

: It is normal for the sliders to change position when certain sound applications are used. The

applications are aware of the Volume Mixer window and are allowed to change the settings themselves.

An example is the Windows Media Player. Usually the application has sliders available to control the

sound from within the application.

•

Problem

: The balance slider cannot completely mute one channel.

Solution

: The control is designed to compensate for minor differences in balance and does not

completely mute either channel.

•

Problem

: The sound cannot be turned off completely even if you set the Master volume control at

minimum.

Solution

: You still can hear some sound even though you have set the Master volume control at minimum.

To turn off the sound completely, go to the Master volume control and select

Mute speakers

•

Problem

: When you connect a headphone to your computer while playing sound, a speaker does not

produce sound.

Solution

: Once the headphone is attached, the streaming is automatically redirected to it. If you want to

listen to sound from the speakers again, be sure to set those speakers as the default device. For details,

refer to the help information system for Realtek HD Audio.

Battery and power problems

This section tells what to do if you have a battery and power problem.

Battery problems

•

Problem

: The battery pack cannot be fully charged by the power-off method in the standard charge

time for your computer.

Solution

: The battery pack might be over-discharged. Do the following:

1. Turn off the computer.

2. Make sure that the over-discharged battery pack is in the computer.

3. Connect the ac power adapter to the computer and let it charge.

If the optional Quick Charger is available, use it to charge the over-discharged battery pack.

If the battery pack cannot be fully charged in 24 hours, use a new battery pack.

•

Problem

: Your computer shuts down before the battery status indicator shows empty,

-or-

Your

computer operates after the battery status indicator shows empty.

Solution

: Discharge and recharge the battery pack.

•

Problem

: The operating time for a fully charged battery pack is short.

Solution

: Discharge and recharge the battery pack. If your battery's operating time is still short, use a

new battery pack.

•

Problem

: The computer does not operate with a fully charged battery pack.

Solution

: The surge protector in the battery pack might be active. Turn off the computer for one minute to

reset the protector; then turn on the computer again.

Chapter 8

Troubleshooting computer problems