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Lenovo ThinkPad Edge E330 (English) User Guide - Page 131

Battery and power problems, Battery problems

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• 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 settings in 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: There is no volume control for MIDI sound in the Volume Mixer window. Solution: Use the hardware volume control. This is because the built-in synthesizer software does not support the control. • 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 topic contains instructions on troubleshooting battery and power problems. Battery problems • Problem: The battery pack cannot be fully charged in the standard charge time when the computer is powered off. 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 a 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 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 9. Troubleshooting computer problems 117

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	23
Certificate of Authenticity label	24
Features	24
Specifications	25
Operating environment	26
ThinkVantage programs	26
Accessing ThinkVantage programs on the Windows 7 operating system	26
Introduction to ThinkVantage programs	28
Chapter 2. Using your computer	31
Registering your computer	31
Frequently asked questions	31
Special keys and buttons	32
Using the UltraNav pointing device	35
Using the TrackPoint pointing device	35
Using the touch pad	37
Disabling the UltraNav pointing device and using an external mouse	38
Adding the UltraNav icon to the Windows notification area	38
Power management	38
Checking the battery status	38
Using the ac power adapter	39
Charging the battery	39
Maximizing the battery life	39
Managing the battery power	40
Power-saving modes	40
Handling the battery	41
Connecting to the network	42
Ethernet connections	43
Wireless connections	43
Using a projector or an external display	46
Changing display settings	47
Connecting a projector or an external monitor	47
Using dual displays	48
Using the NVIDIA Optimus Graphics feature	49
Using audio features	49
Using the integrated camera	50
Using a flash media card	51
Inserting a flash media card	51
Removing a flash media card	51
Chapter 3. You and your computer	53
Accessibility and comfort	53
Ergonomic information	53
Comfort	54
Accessibility information	54
Traveling with your computer	55
Travel tips	55
Travel accessories	55
Chapter 4. Security	57
Attaching a mechanical lock	57
Using passwords	57
Passwords and sleep mode	57
Typing passwords	57
Power-on password	58
Hard disk passwords	58
Supervisor password	60
Hard disk security	62
Notice on deleting data from your hard disk drive or solid state drive	62
Using firewalls	63
Protecting data against viruses	63
Chapter 5. Recovery overview	65
Creating and using a recovery media	65
Performing backup and recovery operations	66
Using the OneKey Recovery Pro workspace	67
Creating and using a rescue medium	68
Reinstalling preinstalled applications and device drivers	69
Solving recovery problems	70
Chapter 6. Replacing devices	71
Static electricity prevention	71
Replacing the battery	71
Replacing the SIM card	73
Replacing the hard disk drive or solid state drive	74
Replacing a PCI Express Mini Card for wireless LAN connection	77
Replacing a PCI Express Half Mini Card for wireless WAN connection	80
Replacing a memory module	83
Replacing the keyboard	85
Replacing the backup battery	90
Chapter 7. Advanced configuration	95
Installing a new operating system	95
Before you begin	95
Installing the Windows 7 operating system	96
Installing device drivers	97
Installing the driver for the 4-in-1 media card reader	97
Installing the driver for USB 3.0	97
Installing the ThinkPad monitor file for Windows 2000/XP/Vista/7	97
Installing other drivers and software	98
ThinkPad Setup	98
Main menu	98
Config menu	99
Date/Time menu	103
Security menu	103
Startup menu	107
Restart menu	109
Updating your system UEFI BIOS	109
Chapter 8. Preventing problems	111
General tips for preventing problems	111
Making sure device drivers are current	112
Taking care of your computer	112
Cleaning the cover of your computer	114
Chapter 9. Troubleshooting computer problems	117
Diagnosing problems	117
Troubleshooting	117
Computer stops responding	117
Spills on the keyboard	118
Error messages	118
Errors without messages	122
Beep errors	123
Memory module problems	123
Networking problems	124
Problems with the keyboard and other pointing devices	126
Problems with the display and multimedia devices	126
Battery and power problems	131
Problems with drives and other storage devices	134
A software problem	135
Problems with ports and connectors	135
Chapter 10. Getting support	137
Before you contact Lenovo	137
Getting help and service	137
Using diagnostic programs	138
Lenovo Support Web site	138
Calling Lenovo	138
Finding ThinkPad options	139
Purchasing additional services	139
Appendix A. Regulatory information	141
Wireless related information	141
Location of the UltraConnect wireless antennas	142
Locating wireless regulatory notices	143
Export classification notice	143
Electronic emission notices	143
Federal Communications Commission Declaration of Conformity	143
Industry Canada Class B emission compliance statement	144
European Union - Compliance to the Electromagnetic Compatibility Directive	144
German Class B compliance statement	144
Korea Class B compliance statement	145
Japan VCCI Class B compliance statement	145
Japan compliance statement for products which connect to the power mains with rated current less than or equal to 20 A per phase	145
Lenovo product service information for Taiwan	145
Appendix B. WEEE and recycling statements	147
EU WEEE statements	147
Japan recycling statements	147
Recycling information for Brazil	148
Battery recycling information for the European Union	148
Battery recycling information for Taiwan	149
Battery recycling information for the United States and Canada	149
Appendix C. ENERGY STAR model information	151
Appendix D. Notices	153

Match case Limit results 1 per page

•

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 settings in 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

: There is no volume control for MIDI sound in the Volume Mixer window.

Solution

: Use the hardware volume control. This is because the built-in synthesizer software does

not support the control.

•

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 topic contains instructions on troubleshooting battery and power problems.

Battery problems

•

Problem

: The battery pack cannot be fully charged in the standard charge time when the computer is

powered off.

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 a 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 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 9

Troubleshooting computer problems

117