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Lenovo ThinkPad Edge E125 (English) User Guide - Page 154

ac power adapter problems, Power problems

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Solution: You cannot charge the battery when it is too hot. If the battery feels hot, detach ac power adapter, leave computer turned off and allow it to cool to room temperature. After it cools, recharge the battery. If it still cannot be charged, have it serviced. ac power adapter problems • Problem: The ac power adapter is connected to the computer and the working electrical outlet, but the power adapter (power plug) icon is not displayed in the task bar. Also the ac power indicator does not light up. Solution: Do as follows: 1. Make sure that the connection of the ac power adapter is correct. For connecting the ac power adapter, see the Setup Instructions manual included in the shipping contents of your computer. 2. If the above step is correct, turn off the computer, then disconnect the ac power adapter. 3. Reconnect the ac power adapter, then turn on the computer. 4. If the power adapter icon still does not appear on the task bar and the ac power indicator does not light up, have the ac power adapter and your computer serviced. Note: If your computer is a Windows 7 model, to display the power adapter (power plug) icon, click Show hidden icons in the task bar. Power problems Print these instructions now and keep it with your computer for reference later. If your computer is getting no power at all, check the following items: 1. Verify the power switch. Refer to "System-status indicators" on page 8. The power switch is illuminated whenever the computer is on. 2. Check all power connections. Remove any power strips and surge protectors to connect the ac power adapter directly to the ac power outlet. 3. Inspect the ac power adapter. Check for any physical damage, and make sure that the power cable is firmly attached to the adapter brick and the computer. 4. Verify the ac power source is working by attaching another device to the outlet. 5. Remove all devices and then test for system power with minimal devices attached. a. Disconnect the ac power adapter and all cables from the computer. b. Close the computer display, and turn the computer over. c. Remove the battery. Refer to "Replacing the battery" on page 67. d. Remove the memory (SO-DIMM). Refer to "Replacing memory" on page 72. e. Remove the PCI Express Mini Card. Refer to "Installing and replacing the PCI Express Mini Card for wireless LAN/WiMAX connection" on page 79. f. Remove the hard disk drive or solid state drive. Refer to "Replacing the solid state drive or hard disk drive" on page 69. g. Wait for 30 seconds, and then reinstall the SO-DIMM and the ac power adapter to test the computer with minimal devices attached first. h. Reinstall each device one at a time that you have removed in the earlier steps. If your computer does not run on battery power, check the following: Verify the battery-status indicator. Refer to "Power-status indicator" on page 9. 138 User Guide

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	21
Bottom view	23
Status indicators	24
Locating important product information	25
Machine type and model label	26
FCC ID and IC Certification number label	26
Certificate of Authenticity label	27
Features	27
Specifications	28
Operating environment	29
ThinkVantage technologies and software	29
Accessing applications in Windows 7	30
Access Connections	31
Active Protection System	32
Lenovo Solution Center	32
Lenovo ThinkVantage Tools	32
Lenovo ThinkVantage Toolbox	32
Message Center Plus	33
Password Manager	33
Power Manager	33
Product Recovery	33
Presentation Director	33
Rescue and Recovery	34
SimpleTap	34
System Update	34
ThinkVantage GPS	34
ThinkVantage Productivity Center	34
Chapter 2. Using your computer	35
Registering your computer	35
Frequently asked questions	35
Special keys and buttons	36
Using the UltraNav pointing device	39
Using the TrackPoint pointing device	40
Using the touch pad	41
Behavior of the UltraNav and an external mouse	41
Adding the UltraNav icon to the system tray	42
Power management	43
Checking battery status	43
Using the ac power adapter	43
Charging the battery	44
Maximizing battery life	44
Power-saving modes	44
Handling the battery	46
Connecting to the network	47
Ethernet connections	47
Wireless connections	47
Using a projector or an external display	55
Changing display settings	55
Attaching an external monitor	55
Using audio features	58
Using an integrated camera	58
Using dual displays	59
Using the media card reader	60
Chapter 3. You and your computer	63
Accessibility and comfort	63
Ergonomic information	63
Adjusting your computer to fit you	64
Accessibility information	65
Traveling with your computer	65
Travel tips	66
Travel accessories	66
Chapter 4. Security	67
Attaching a mechanical lock	67
Using passwords	67
Passwords and sleep (standby) mode	68
Power-on password	68
Hard disk passwords	69
Supervisor password	71
Hard disk security	73
Notice on deleting data from your hard disk drive or solid state drive	73
Using and understanding firewalls	74
Protecting data against viruses	74
Chapter 5. Recovery overview	75
Creating and using recovery media	75
Creating recovery media	76
Using recovery media	76
Performing backup and recovery operations	77
Performing a backup operation	77
Performing a recovery operation	77
Using the Rescue and Recovery workspace	78
Creating and using a rescue medium	79
Creating a rescue medium	79
Using a rescue medium	79
Reinstalling preinstalled applications and device drivers	80
Solving recovery problems	81
Chapter 6. Replacing devices	83
Static electricity prevention	83
Replacing the battery	83
Replacing the solid state drive or hard disk drive	85
Replacing memory	88
Replacing the keyboard	91
Installing and replacing the PCI Express Mini Card for wireless LAN/WiMAX connection	95
Installing and replacing the PCI Express Mini Card for wireless WAN connection	99
Replacing the SIM card	102
Replacing the backup battery	104
Chapter 7. Enhancing your computer	109
Finding ThinkPad options	109
Chapter 8. Advanced configuration	111
Installing a new operating system	111
Before you begin	111
Installing Windows 7	112
Installing Windows XP	113
Installing device drivers	114
Installing the driver for 4-in-1 media card reader	115
Installing ThinkPad Monitor File for Windows 2000/XP/Vista/7	115
Installing Intel Chipset Support for Windows 2000/XP/Vista/7	116
Installing drivers and software	116
ThinkPad Setup	116
Config menu	117
Date/Time menu	118
Security menu	118
Startup menu	119
Restart menu	120
ThinkPad Setup items	120
Updating your system UEFI BIOS	126
Using system management	127
System management	127
Setting management features	127
Chapter 9. Preventing problems	129
General tips for preventing problems	129
Making sure device drivers are current	130
Getting the latest drivers from the Web site	130
Getting the latest drivers using System Update	130
Taking care of your computer	131
Cleaning the cover of your computer	132
Chapter 10. Troubleshooting computer problems	135
Diagnosing problems	135
Troubleshooting	136
Computer stops responding	136
Spills on the keyboard	137
Error messages	137
Errors without messages	139
Beep errors	140
Memory problems	140
Networking	140
Keyboard and other pointing devices	145
Display and multimedia devices	145
Battery and power	153
Drives and other storage devices	156
Software problems	156
Ports and connectors	157
Chapter 11. Getting support	159
Before you contact Lenovo	159
Registering your computer	159
Downloading system updates	159
Recording information	159
Getting help and service	160
Using diagnostic programs	160
Lenovo Support Web site	160
Calling Lenovo	160
Purchasing additional services	161
Appendix A. Regulatory information	163
Wireless related information	163
Locating the UltraConnect wireless antennas	164
Locating wireless regulatory notices	165
Export classification notice	165
Electronic emission notices	165
Federal Communications Commission Declaration of Conformity	165
Industry Canada Class B emission compliance statement	166
European Union - Compliance to the Electromagnetic Compatibility Directive	166
German Class B compliance statement	166
Korea Class B compliance statement	167
Japanese VCCI Class B statement	167
Japan compliance statement for products which connect to the power mains with rated current less than or equal to 20 A per phase	167
Lenovo product service information for Taiwan	167
Additional regulatory information	167
Appendix B. WEEE and recycling statements	169
EU WEEE statements	169
Japan recycling statements	169
Recycling information for Brazil	170
Battery recycling information for the European Union	170
Battery recycling information for Taiwan	171
Battery recycling information for the United States and Canada	171
Appendix C. Notices	173

Match case Limit results 1 per page

Solution

: You cannot charge the battery when it is too hot. If the battery feels hot, detach ac power

adapter, leave computer turned off and allow it to cool to room temperature. After it cools, recharge the

battery. If it still cannot be charged, have it serviced.

ac power adapter problems

•

Problem

: The ac power adapter is connected to the computer and the working electrical outlet, but the

power adapter (power plug) icon is not displayed in the task bar. Also the ac power indicator does

not light up.

Solution

: Do as follows:

1. Make sure that the connection of the ac power adapter is correct. For connecting the ac power

adapter, see the Setup Instructions manual included in the shipping contents of your computer.

2. If the above step is correct, turn off the computer, then disconnect the ac power adapter.

3. Reconnect the ac power adapter, then turn on the computer.

4. If the power adapter icon still does not appear on the task bar and the ac power indicator does not

light up, have the ac power adapter and your computer serviced.

Note:

If your computer is a Windows 7 model, to display the power adapter (power plug) icon, click

Show hidden icons

in the task bar.

Power problems

Print these instructions now and keep it with your computer for reference later.

If your computer is getting no power at all, check the following items:

1. Verify the power switch. Refer to “System-status indicators” on page 8. The power switch is illuminated

whenever the computer is on.

2. Check all power connections. Remove any power strips and surge protectors to connect the ac power

adapter directly to the ac power outlet.

3. Inspect the ac power adapter. Check for any physical damage, and make sure that the power cable is

ﬁrmly attached to the adapter brick and the computer.

4. Verify the ac power source is working by attaching another device to the outlet.

5. Remove all devices and then test for system power with minimal devices attached.

Disconnect the ac power adapter and all cables from the computer.

b. Close the computer display, and turn the computer over.

Remove the battery. Refer to “Replacing the battery” on page 67.

d. Remove the memory (SO-DIMM). Refer to “Replacing memory” on page 72.

Remove the PCI Express Mini Card. Refer to “Installing and replacing the PCI Express Mini Card for

wireless LAN/WiMAX connection” on page 79.

Remove the hard disk drive or solid state drive. Refer to “Replacing the solid state drive or hard

disk drive” on page 69.

g. Wait for 30 seconds, and then reinstall the SO-DIMM and the ac power adapter to test the computer

with minimal devices attached ﬁrst.

Reinstall each device one at a time that you have removed in the earlier steps.

If your computer does not run on battery power, check the following:

Verify the battery-status indicator. Refer to “Power-status indicator” on page 9.

138

User Guide