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Lenovo ThinkPad X1 Carbon (English) User Guide - Page 106

Problems with the display and multimedia devices, Computer screen problems

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3. Select the Hardware tab. In the Device Properties pane, ensure that you see this message: Device Status: This device is working properly. If keys on the keyboard still do not work, have the computer serviced. • Problem: All or some keys on the external numeric keypad do not work. Solution: Ensure that the external numeric keypad is correctly connected to the computer. Problems with the display and multimedia devices This topic includes the most common problems with displays and multimedia devices, including the computer display, the external monitor, audio devices, and the optical drive. Computer screen problems • Problem: The screen is blank. Solution: Do the following: - Press Fn+F7 to bring up the image. - If you are using the ac power adapter, or using the battery and the battery status indicator is on (is green), press Fn+F9 to make the screen brighter. - If the sleep status indicator is on (is green), press Fn to resume from the sleep mode. - If the problem persists, follow the solution for the problem below. • Problem: The screen is unreadable or distorted. Solution: Ensure that: - The display device driver is installed correctly. - The screen resolution and color quality are correctly set. - The monitor type is correct. To check these settings, do the following: 1. Right-click on the desktop, and click Personalize. 2. Click Display at the left. 3. Select Change display settings. Check whether the screen resolution is correctly set. 4. Click Advanced Settings. 5. Click the Adapter tab. 6. Ensure that the correct device driver name is shown in the adapter information window. Note: The device driver name depends on the video chip that has been installed on your computer. 7. Click the Properties button. If you are prompted for an administrator password or confirmation, type the password or provide confirmation. Check the Device status box and ensure that the device is working correctly. If not, click the Troubleshoot button and follow the instructions on the screen. 8. Click the Monitor tab. Check whether the color quality is correctly set, and ensure that the other information also is correct. 9. Click the Properties button. If you are prompted for an administrator password or confirmation, type the password or provide confirmation. Check the Device status box and ensure that the device is working correctly. If not, click the Troubleshoot button and follow the instructions on the screen. • Problem: Incorrect characters are displayed on the screen. Solution: Did you install the operating system or application program correctly? If they are installed and configured correctly, have the computer serviced. • Problem: The screen stays on even after you turn off your computer. 92 User Guide

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
Rear view	20
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	23
Features	24
Specifications	25
Operating environment	25
ThinkVantage programs	26
Accessing ThinkVantage programs	26
ThinkVantage programs	27
Chapter 2. Using your computer	31
Registering your computer	31
Frequently asked questions	31
Special keys and buttons	32
Function key combinations	33
Volume and mute buttons	35
Windows key	36
Using the UltraNav pointing device	36
Using the TrackPoint pointing device	37
Using the touch pad	38
Disabling the UltraNav pointing device and using an external mouse	39
Adding the UltraNav icon to the Windows notification area	39
Power management	40
Checking the battery status	40
Using the ac power adapter	40
Charging the battery	41
Disabling the built-in battery	41
Maximizing the battery life	41
Managing the battery power	41
Understanding the power-saving modes	42
Connecting to the network	43
Ethernet connections	43
Wireless connections	43
Presentations and multimedia	48
Changing display settings	48
Connecting a projector or an external monitor	48
Using dual displays	50
Using audio features	51
Using the integrated camera	52
Using a flash media card	53
Chapter 3. You and your computer	55
Accessibility and comfort	55
Ergonomic information	55
Comfort	56
Accessibility information	56
Traveling with your computer	57
Travel tips	57
Travel accessories	58
Chapter 4. Security	59
Attaching a mechanical lock	59
Using passwords	59
Passwords and sleep mode	59
Typing passwords	59
Power-on password	60
Hard disk passwords	60
Supervisor password	62
Solid state drive security	64
Setting the security chip	64
Using a fingerprint reader	65
Notice on deleting data from your solid state drive	69
Using firewalls	70
Protecting data against viruses	70
Chapter 5. Recovery overview	71
Creating and using recovery media	71
Performing backup and recovery operations	72
Using the Rescue and Recovery workspace	73
Creating and using a rescue medium	74
Reinstalling preinstalled applications and device drivers	75
Solving recovery problems	76
Chapter 6. Advanced configuration	77
Installing a new operating system	77
Before you begin	77
Installing the Windows 7 operating system	78
Installing device drivers	78
Installing the driver for the 4-in-1 media card reader	79
Installing the driver for USB 3.0	79
Installing the ThinkPad monitor file for Windows 2000/XP/Vista/7	79
Installing other drivers and software	80
ThinkPad Setup	80
Main menu	80
Config menu	81
Date/Time menu	86
Security menu	86
Startup menu	91
Restart menu	92
Updating your system UEFI BIOS	93
Using system management	93
System management	93
Chapter 7. Preventing problems	95
General tips for preventing problems	95
Making sure device drivers are current	96
Taking care of your computer	96
Cleaning the cover of your computer	98
Chapter 8. Troubleshooting computer problems	99
Diagnosing problems	99
Troubleshooting	99
Computer stops responding	99
Spills on the keyboard	100
Error messages	100
Errors without messages	102
Beep errors	103
Memory module problems	103
Networking problems	103
Problems with the keyboard and other pointing devices	105
Problems with the display and multimedia devices	106
Fingerprint reader problems	110
Battery and power problems	110
Solid state drive problems	112
Software problems	113
USB problems	113
Chapter 9. Getting support	115
Before you contact Lenovo	115
Getting help and service	115
Using diagnostic programs	116
Lenovo Support Web site	116
Calling Lenovo	116
Finding ThinkPad options	117
Purchasing additional services	118
Appendix A. Regulatory information	119
Wireless related information	119
Location of the UltraConnect™ wireless antennas	120
Locating wireless regulatory notices	121
Export classification notice	121
Electronic emission notices	121
Federal Communications Commission Declaration of Conformity	121
Industry Canada Class B emission compliance statement	121
European Union - Compliance to the Electromagnetic Compatibility Directive	122
German Class B compliance statement	122
Korea Class B compliance statement	123
Japan VCCI Class B compliance statement	123
Japan compliance statement for products which connect to the power mains with rated current less than or equal to 20 A per phase	123
Lenovo product service information for Taiwan	123
Appendix B. WEEE and recycling statements	125
EU WEEE statements	125
Japan recycling statements	125
Recycling information for Brazil	126
Battery recycling information for Taiwan	126
Battery recycling information for the European Union	127
Battery recycling information for the United States and Canada	127
Appendix C. ENERGY STAR model information	129
Appendix D. Notices	131

Match case Limit results 1 per page

3. Select the

Hardware

tab. In the

Device Properties

pane, ensure that you see this message:

Device

Status: This device is working properly.

If keys on the keyboard still do not work, have the computer serviced.

•

Problem

: All or some keys on the external numeric keypad do not work.

Solution

: Ensure that the external numeric keypad is correctly connected to the computer.

Problems with the display and multimedia devices

This topic includes the most common problems with displays and multimedia devices, including the

computer display, the external monitor, audio devices, and the optical drive.

Computer screen problems

•

Problem

: The screen is blank.

Solution

: Do the following:

–

Press Fn+F7 to bring up the image.

–

If you are using the ac power adapter, or using the battery and the battery status indicator is on (is

green), press Fn+F9 to make the screen brighter.

–

If the sleep status indicator is on (is green), press Fn to resume from the sleep mode.

–

If the problem persists, follow the solution for the problem below.

•

Problem

: The screen is unreadable or distorted.

Solution

: Ensure that:

–

The display device driver is installed correctly.

–

The screen resolution and color quality are correctly set.

–

The monitor type is correct.

To check these settings, do the following:

1. Right-click on the desktop, and click

Personalize

2. Click

Display

at the left.

3. Select

Change display settings

. Check whether the screen resolution is correctly set.

4. Click

Advanced Settings

5. Click the

Adapter

tab.

6. Ensure that the correct device driver name is shown in the adapter information window.

Note:

The device driver name depends on the video chip that has been installed on your computer.

7. Click the

Properties

button. If you are prompted for an administrator password or conﬁrmation, type

the password or provide conﬁrmation. Check the

Device status

box and ensure that the device is

working correctly. If not, click the

Troubleshoot

button and follow the instructions on the screen.

8. Click the

Monitor

tab. Check whether the color quality is correctly set, and ensure that the other

information also is correct.

9. Click the

Properties

button. If you are prompted for an administrator password or conﬁrmation, type

the password or provide conﬁrmation. Check the

Device status

box and ensure that the device is

working correctly. If not, click the

Troubleshoot

button and follow the instructions on the screen.

•

Problem

: Incorrect characters are displayed on the screen.

Solution

: Did you install the operating system or application program correctly? If they are installed and

conﬁgured correctly, have the computer serviced.

•

Problem

: The screen stays on even after you turn off your computer.

User Guide