Contents

About this manual

. v

No-beep symptoms

.

65

 

 

 

LCD-related symptoms

.

66

Safety information

.

1

Intermittent problems

.

67

General safety

.

2

Undetermined problems

.

67

 

 

 

 

Electrical safety

.

3

Status indicators

.

69

Safety inspection guide

.

5

 

 

 

 

Handling devices that are sensitive to electrostatic

 

 

Fn key combinations

.

71

discharge

.

6

Grounding requirements

.

6

 

 

 

 

Safety notices (multilingual translations) . . . .

.

7

FRU replacement notices

.

75

Laser compliance statement (multilingual

 

 

Screw notices

.

75

translations)

28

Retaining serial numbers

.

76

 

 

 

Important service information

39

Restoring the serial number of the system unit

 

76

Retaining the UUID

.

76

Strategy for replacing FRUs

. 39

Reading or writing the ECA information . .

. 77

Strategy for replacing a hard disk drive . . . . 40

 

 

 

 

Important notice for replacing a system board .

. 40

Removing and replacing a FRU . . .

. 79

How to use error message

.

40

1010

Battery pack

.

80

Strategy for replacing FRUs for CTO, CMV, and

 

 

 

 

1020

ExpressCard blank bezel and Media Card

 

 

GAV

.

41

 

 

blank bezel

.

81

Product definition

.

41

1030

Optical drive or travel cover

.

83

FRU identification for CTO, CMV, and GAV

 

 

 

 

1040

Thermal cover

.

84

products

.

41

1050

Hard disk drive (HDD) assembly . . . .

. 85

 

 

 

General checkout

43

1060

DIMM

.

87

1070

Fan assembly

.

88

What to do first

.

44

1080

CPU

.

92

Checkout guide

.

45

1090

SIM slot cover

.

93

Diagnostics using PC-Doctor for DOS . . .

. 45

1100 Wireless WAN slot cover and PCI Express Mini

 

Lenovo ThinkVantage Toolbox (Lenovo System

 

 

Card for wireless WAN

. 95

Toolbox)

.

48

1110 Palm rest assembly with cables

.

97

PC-Doctor for Rescue and Recovery . . . .

. 48

1120 PCI Express Mini Card for wireless LAN .

. 100

FRU tests

.

49

1130 Backup battery

.

102

Power system checkout

.

51

1140 Bluetooth daughter card (BDC-2) . . . .

.

103

Checking the AC adapter

. 51

1150 Media Card Reader slot board and Media

 

 

Checking operational charging

.

51

Card Reader cable assembly

.

104

Checking the battery pack

.

52

1160 Keyboard

.

106

Checking the backup battery

.

52

1170 Keyboard bezel

.

109

Related service information

55

1180 LCD unit

.

111

1190 Top shielding assembly

.

116

Restoring the factory contents by using Recovery

 

 

1200

System board assembly

. 118

Disc Set

. 55

1210

USB connector board and USB cable assembly

123

Passwords

.

56

1220

DC-in cable and base cover

.

125

Power-on password

.

57

2010

LCD front bezel

.

130

Hard-disk password

.

57

2020

Speaker assembly

.

131

Supervisor password

.

57

2030

Integrated camera

.

132

How to remove the power-on password . . .

. 57

2040 Antenna assembly

. 133

How to remove the hard-disk password . . .

. 58

2050

Hinges, LCD panel, LCD cable, and LCD rear

 

Power management

.

60

cover assembly

.

135

Screen blank mode

.

60

Locations

139

Sleep (Standby) mode

.

60

Hibernation mode

.

61

Front view

.

139

Symptom-to-FRU index

.

62

Rear view

.

140

Numeric error codes

.

62

Bottom view

.

140

Error messages

.

65

 

 

 

 

© Copyright Lenovo 2009

iii

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Lenovo 28472PU, 28472JU, SL410, SL510, 28472QU manual Contents

28472QU, 28472PU, L410, SL510, SL410 specifications

Lenovo has long been synonymous with quality and performance in the realm of personal computing, and their lineup includes an array of dependable machines tailored for various user needs. Among these devices are the Lenovo L510, SL510, and their corresponding variants, such as the L510 28472JU, SL510 28472PU, and 28472QU. These models are positioned as reliable tools for business professionals, students, and casual users alike, boasting a blend of performance, portability, and affordability.

The Lenovo L510 and SL510 come equipped with Intel processors that ensure quick processing speeds and multitasking capabilities. These devices often feature dual-core processors from the Intel Pentium or Core series, enabling smooth operation when running multiple applications simultaneously. With their efficient architecture, these processors are well-suited for everyday tasks such as word processing, web browsing, and media consumption.

In terms of memory and storage, models like the L510 28472JU and SL510 28472PU typically offer variations of RAM ranging from 2GB to 4GB, allowing for adequate speed in performance, especially when handling light multitasking. Coupled with hard drive options that can reach up to 500GB, users have ample space to store files, applications, and media.

These laptops feature a durable design, with a sturdy chassis that can withstand the rigors of daily use. Their ergonomic keyboards provide a comfortable typing experience, crucial for long working sessions. In addition to this, the displays are designed to strike a balance between brightness and clarity, ensuring that visuals are sharp and vibrant for both work and entertainment.

Connectivity options are abundant, with ports for USB, HDMI, and Ethernet, as well as built-in Wi-Fi and sometimes Bluetooth capability. This allows for seamless integration with various peripherals and networks, making these models versatile for business environments and home use alike.

Battery life is also a notable feature, with many Lenovo models designed to last several hours on a single charge, catering to users who value portability. The thermal management technology integrated into these laptops ensures efficient heat dissipation, prolonging the longevity of the device.

In summary, the Lenovo L510, SL510, and their specific variants stand out in Lenovo's product offering by combining reliable performance with user-friendly features. They cater to a wide audience looking for an effective balance of functionality, durability, and design, making them a worthy consideration for anyone in search of a dependable laptop.