Dell Latitude E5440 User's Guide Page 58
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- Table of contents
- TROUBLESHOOTING
- BOOKMARKS
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21
Troubleshooting Your Computer
You can troubleshoot your computer using indicators like Diagnostic Lights, Beep Codes, and Error
Messages during the operation of the computer.
Dell Technical Update Service
The Dell Technical Update service provides proactive e-mail notification of software and hardware
updates for your computer. The service is free and can be customized for content, format, and how
frequently you receive notifications.
To register for the Dell Technical Update service, go to dell.com/support.
Dell Diagnostics
CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in
the Owner’s Manual.
When to Use the Dell Diagnostics?
If you experience a problem with your computer, run the Dell Diagnostics before you contact Dell for
technical assistance.
It is recommended that you print these procedures before you begin.
CAUTION: The Dell Diagnostics works only on Dell computers.
Enter the system setup program, review your computer’s configuration information, and ensure that the
device you want to test displays in the system setup program and is active.
Drive Problems
CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in
the Owner’s Manual.
1. Ensure that Microsoft Windows recognizes the drive.
2. Test the drive.
3. Insert another floppy disk, CD, or DVD to eliminate the possibility that the original one is defective.
4. Insert a bootable floppy disk and restart the computer.
5. Clean the drive or disk.
NOTE: See “Cleaning Your Computer”.
6. Ensure that the optical drive is snapped onto the spindle.
58
- Dell Desktop and Notebooks 1
- User's Guide 1
- Notes, Cautions, and Warnings 2
- Contents 3
- Introduction 9
- Selecting the Product 10
- Choosing the Product 10
- Quick Start Guide 13
- Product Information 14
- My Dell Support Center 14
- Using The Battery 16
- Conserving Battery Power 17
- Storing a Battery 17
- Checking the Battery Charge 17
- Using the Display 19
- Windows 7 20
- Windows 8 20
- Overview 20
- Playing Multimedia 22
- Connecting to a Network 23
- Area Network (WLAN) 24
- Connecting to a WLAN 25
- Connect to a Device 27
- Using An External Monitor 28
- Setting Up Your Printer 29
- Wireless Printing 29
- Drives and Ports 31
- 5.1 Audio 32
- 7.1 Audio 32
- Network Connectors 33
- IEEE 1394 33
- Power Management Modes 35
- Keyboard and Touchpad 37
- Changing the Trackstick Cap 38
- Security 39
- Passwords 40
- Using a Hard-Drive Password 41
- Trusted Platform Module (TPM) 42
- Identifying Drivers 44
- Reinstalling Drivers 45
- My Dell Downloads 47
- Smart Settings 49
- Dell Digital Delivery 50
- Windows Live Essentials 2011 51
- Dell Webcam Manager 52
- PC's) 53
- System Setup 54
- Updating the BIOS 55
- System and Setup Password 56
- Disabling a System Password 57
- Troubleshooting Your Computer 58
- Scan the computer for Spyware 59
- Error Messages 60
- Lockups and Software Problems 65
- A solid blue screen appears 66
- Other software problems 66
- Network Problems 67
- Power Problems 67
- Docking Power Considerations 68
- Printer Problems 69
- Scanner Problems 69
- Sound and Speaker Problems 70
- Touchpad or Mouse Problems 71
- Video and Display Problems 71
- Self-Help Options 74
- Contacting Dell 74
- Microsoft Knowledge Base 74
- Table 4. Windows Keywords 75
- AutoTech Service 77
- Dell Connect / GoToAssit 78
- Problems With Your Order 78
- Before You Call 79
- Travel Tips 80
- Pro Support 81
- Cleaning Your Computer 82
- Cleaning an Optical Mouse 83
- Optical Disk 83
- Traveling With Your Computer 84
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