Contents

Chapter 1. About this manual

.

1

Important safety information

.

1

Chapter 2. Safety information

.

3

General safety

.

3

Electrical safety

.

3

Safety inspection guide

.

5

Handling electrostatic discharge-sensitive

 

 

devices

.

5

Grounding requirements

.

6

Safety notices (multi-lingual translations) . . . .

.

6

Chapter 3. General information . . . .

 

29

Specifications

 

29

For machine type: 10AR

 

29

For machine type: 10AQ

 

30

Lenovo programs

 

30

Accessing Lenovo programs on the Windows

 

 

7 operating system

 

30

Accessing Lenovo programs on the Windows

 

 

8 or Windows 8.1 operating system . . . .

 

32

Lenovo Support Web site

 

32

Chapter 4. General checkout

 

33

Problem determination tips

 

33

Chapter 5. Troubleshooting and

 

 

diagnostics

 

35

Basic troubleshooting

 

35

Accessing Control Panel on the Windows 8 or

 

 

Windows 8.1 operating system

 

36

Troubleshooting procedure

 

36

Troubleshooting

 

37

Audio problems

 

37

CD problems

 

39

DVD problems

 

40

Intermittent problems

 

41

Hard disk drive problems

 

41

Keyboard, mouse, or pointing device

 

 

problems

 

42

Monitor problems

 

44

Networking problems

 

46

Option problems

 

48

Performance and lockup problems

 

49

Printer problems

 

51

Serial port problems

 

51

Software problems

 

52

USB problems

 

53

Diagnostics . . . . . . . . . . . . . . . . 53 Lenovo Solution Center . . . . . . . . . 54

Chapter 6. Using the Setup Utility

 

program

55

Starting the Setup Utility program

55

Viewing and changing settings

55

Using passwords

55

Password considerations

56

Power-on password

56

Administrator password

56

Hard Disk Password

56

Setting, changing, and deleting a password .

56

Erasing lost or forgotten passwords (clearing

 

CMOS)

57

Enabling or disabling a device

57

Selecting a startup device

58

Selecting a temporary startup device . . . .

58

Selecting or changing the startup device

 

sequence

58

Enabling ErP compliance mode

58

ICE performance mode

59

ICE thermal alert

59

Changing the BIOS settings before installing a new

 

operating system

60

Exiting the Setup Utility program

60

Chapter 7. Symptom-to-FRU Index . .

61

Hard disk drive boot error

61

Power supply problems

61

Beep symptoms

61

POST error codes

62

Miscellaneous error conditions

64

Undetermined problems

65

Chapter 8. Locations

67

For machine type: 10AR

67

Locating connectors, controls, and indicators

 

on the front of your computer

67

Locating connectors on the rear of your

 

computer

68

Locating major FRUs and CRUs

70

Looking up FRU information

72

Locating parts on the system board . . . .

73

Locating internal drives

74

For machine type: 10AQ

75

Locating connectors, controls, and indicators

 

on the front of your computer

75

© Copyright Lenovo 2013

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Lenovo E93 manual Contents

E93 specifications

The Lenovo E93 is a powerful and versatile desktop computer that caters to the needs of both business and personal users. This compact system is designed to deliver high performance while occupying minimal desk space, making it an ideal choice for modern work environments where efficiency and productivity are paramount.

One of the standout features of the Lenovo E93 is its performance. Powered by the latest Intel Core processors, it provides ample processing power for multitasking and demanding applications. Users can choose from different configurations that include varying RAM options, generally starting from 8GB and can be expanded up to 32GB, facilitating smooth operation even when running multiple applications simultaneously.

In terms of storage, the E93 offers a range of SSD and HDD options. With SSD drives, users experience faster boot times, reduced load times for applications, and overall increased responsiveness. The device also supports hybrid storage configurations, allowing for an ideal balance between speed and capacity.

The E93 incorporates advanced connectivity options, which are crucial for any modern desktop. It features multiple USB 3.2 ports, HDMI, and DisplayPort outputs, ensuring compatibility with a wide range of peripherals and external displays. Users can easily connect to high-speed networks, with support for both wired Ethernet and wireless connectivity options.

Security is a key focus of the Lenovo E93. It includes features such as a Trusted Platform Module (TPM) for secure encryption, and various biometric options like a fingerprint scanner, which ensures that sensitive data remains protected from unauthorized access. In addition, it has been designed to meet various compliance standards, making it suitable for enterprise environments.

The design of the E93 is both functional and aesthetically pleasing. It sports a compact chassis that can be easily integrated into different workspace setups. The convenience of tool-less access to components also enhances serviceability, allowing for easy upgrades and repairs.

For users who place importance on energy efficiency, the Lenovo E93 is ENERGY STAR certified. This makes it an environmentally friendly choice, reducing energy costs while lessening its overall carbon footprint.

Overall, the Lenovo E93 stands out as a robust desktop solution tailored to meet the diverse needs of users in both professional and personal contexts. With its impressive performance, comprehensive security features, and potential for future upgrades, it is well-equipped to handle today's demanding computing tasks while being mindful of efficiency and design.