Contents

Chapter 1. About this manual

1

Important Safety Information

1

Important information about replacing RoHS

 

compliant FRUs

1

Chapter 2. Safety information

3

General safety

3

Electrical safety

3

Voltage-selection switch

5

Safety inspection guide

5

Handling electrostatic discharge-sensitive

 

devices

6

Grounding requirements

6

Safety notices (multi-lingual translations)

6

Chapter 3. General information. . . .

29

The ThinkVantage Productivity Center program . .

29

Additional information resources

29

Specifications

29

For machine types: 7057, 7062, 7092, 9342,

 

9344, 9354, 9426, 9486, 9624, 9707, 9787,

 

9804, 9945

29

For machine types: 7061, 7090, 9353, 9421,

 

9485, 9623, 9625, 9705, 9786, 9795, 9935,

 

9946, 9953

29

Chapter 4. General Checkout

31

Problem determination tips

31

Chapter 5. Diagnostics

33

Lenovo System Toolbox

33

PC-Doctor for Windows PE

33

Running diagnostics from the Rescue and

 

Recovery workspace

33

PC-Doctor for DOS

34

Creating a diagnostic CD image

34

Creating diagnostic diskettes

34

Running diagnostics from the CD or

 

diskettes

34

Navigating through the diagnostics

 

programs

35

Running tests

35

Viewing the test log

36

Chapter 6. Using the Setup Utility . .

39

Starting the Setup Utility program

39

Viewing and changing settings

39

Using passwords

39

Password considerations

39

User Password

40

Administrator Password

40

Setting, changing, and deleting a password .

40

Enabling or disabling a device

40

Selecting a startup device

41

Selecting a temporary startup device . . . .

41

Selecting or changing the startup device

 

sequence

41

Exiting from the Setup Utility program

41

Chapter 7. Symptom-to-FRU Index .

43

Hard disk drive boot error

43

Power Supply Problems

43

Diagnostic error codes

44

Beep symptoms

61

POST error codes

62

Miscellaneous error messages

63

Undetermined problems

65

Chapter 8. Replacing FRUs (Types

 

7061, 7090, 9353, 9421, 9485, 9623,

 

9625, 9705, 9786, 9795, 9935, 9946,

 

9953)

67

Locating controls and connectors on the front of

 

your computer

67

Rear connectors

67

Removing the cover

68

Locations

69

Locating parts on the system board

71

Removing and replacing the front bezel

71

Replacing the power supply

72

Replacing the system board

73

Replacing the microprocessor

77

Replacing a memory module

79

Replacing a PCI adapter card

80

Replacing the hard disk drive

82

Replacing an optical drive

84

Replacing the diskette drive

85

Replacing the rear fan assembly

86

Replacing the front fan assembly

87

Replacing the front audio/USB assembly . . . .

89

Replacing the power switch/LED assembly . . .

89

Replacing the CMOS battery

90

Completing the FRU replacement

91

Chapter 9. Replacing FRUs (Types 7057, 7062, 7092, 9342, 9344, 9354,

© Copyright Lenovo 2008, 2010

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Lenovo 7090, 9486, 9421, 9353, 9485, 7061, 3656, 9426, 9342, 9354, 9344, 7062, 7057, 3658, 7092 manual Contents

7057, 9344, 9421, 7092, 3658 specifications

Lenovo has established itself as a significant player in the global technology market, particularly with its innovative line of laptops. The models 9353, 3656, 9625, 7061, and 9946 showcase the company's commitment to combining performance, portability, and cutting-edge technology.

The Lenovo 9353 is known for its sleek design and powerful performance. It features Intel's latest processors and high-speed SSD options, making it an excellent choice for professionals and creatives who require robust computing power. The 9353 is equipped with a vibrant display that enhances the visual experience, perfect for graphic design or content consumption. Its lightweight build ensures portability, making it easy to carry around.

The Lenovo 3656 stands out with its affordability without compromising on essential features. It is powered by AMD processors and offers decent graphics capabilities, ideal for everyday tasks like browsing, streaming, and office applications. The battery life is commendable, supporting all-day use for students and professionals alike. The 3656 also includes a solid build quality, ensuring durability and reliability.

Next, the Lenovo 9625 is a high-end model designed for gaming enthusiasts. With a powerful NVIDIA graphics card, this laptop delivers an immersive gaming experience with high frame rates and stunning visuals. The 9625 also comes with an advanced cooling system to prevent thermal throttling during extended gaming sessions. Its customizable RGB keyboard appeals to gamers who appreciate aesthetics alongside high performance.

The Lenovo 7061 is tailored for business users. It features enhanced security measures, including a fingerprint reader and a TPM chip to safeguard sensitive data. The 7061's display is designed for long hours of work, with anti-glare technology reducing eye strain. It also provides ample connectivity options, making it a versatile choice for professionals on the go.

Lastly, the Lenovo 9946 is a convertible laptop that offers the flexibility of a tablet and the functionality of a laptop. It boasts a touchscreen display and 2-in-1 versatility, making it suitable for various uses, from casual browsing to professional presentations. The Lenovo 9946 is powered by Intel’s latest technologies, ensuring high performance and seamless multitasking, along with a stylus for precision input.

Overall, these Lenovo models cater to different needs and preferences, all while emphasizing performance, portability, and cutting-edge technology, solidifying Lenovo's reputation in the laptop arena.