Contents | Lenovo 800, 3091, 3265, 4285, 870, 852, 5205, 5248, 3678, 3650

Important safety information	.	v
Chapter 1. Product overview	.	1
Features	.	1
Single-touch and multi-touch feature . . . .	.	3
Specifications	.	4
Software overview	.	6
Software provided with your Windows
operating system	.	6
Locating computer controls, connectors, and
parts	.	7
Front view	.	8
Rear view	.	9
Component locations		11
System board part and connector locations .		12
Chapter 2. Installing or replacing
hardware		15
Installing or replacing hardware		15
Installing external options		15
Installing a computer wall mount		15
Removing the computer cover		15
Removing or reinstalling the frame stand . .		16
Removing or reinstalling the lift stand . . . .		17
Removing or reinstalling the rear I/O assembly
cover		19
Removing or reinstalling the VESA frame
cover		20
Removing or reinstalling the VESA frame . .		21
Installing or replacing a memory module . . .		22
Replacing the battery		24
Replacing the hard disk drive		25
Replacing the optical drive		28
Replacing the heat sink		29
Replacing the microprocessor		32
Replacing the WI-FI card		34
Replacing the Bluetooth module		35
Replacing the multi-touch board		36
Replacing the ambient light sensor		37
Replacing the ExpressCard		39
Replacing the internal speakers		40
Replacing the integrated camera with
microphone		41
Replacing the microprocessor fan assembly .		42
Replacing the card reader		44
Replacing the rear I/O assembly		45
Replacing the right I/O assembly		46
Replacing the power supply		47

Replacing the keyboard	49
Replacing the mouse	50
Completing the parts replacement	52
Obtaining device drivers	53
Basic security features	53
Integrated cable lock	53
Password protection	54
Erasing lost or forgotten passwords (clearing
CMOS)	54

Chapter 3. Recovery information. . .	57
Creating and using recovery media	57
Creating recovery media	57
Using recovery media	57
Performing backup and recovery operations . . .	58
Performing a backup operation	58
Performing a recovery operation	59
Using the Rescue and Recovery workspace . . .	59
Creating and using a rescue medium	60
Creating a rescue medium	60
Using a rescue medium	61
Installing or reinstalling device drivers	61
Solving recovery problems	62
Chapter 4. Using the Setup Utility
program	63
Starting the Setup Utility program	63
Viewing or changing settings	63
Using passwords	63
Password considerations	64
Administrator password	64
Power-on password	64
Hard disk drive password	64
Setting, changing, or deleting a password . .	64
Enabling or disabling a device	65
Selecting a startup device	65
Selecting a temporary startup device . . . .	65
Viewing or changing the startup device
sequence	65
Exiting the Setup Utility program	66
Chapter 5. Updating system
programs	67
Using system programs	67
Updating (flashing) the BIOS from a disc . . . .	67
Updating (flashing) the BIOS from your operating
system	68

iii

852, 800, 3091, 3429, 5248 specifications

Lenovo has established a reputation for producing reliable and innovative technology solutions, particularly in the realm of computing. The models Lenovo 4285, 5205, 2471, 2557, and 3265 are prime examples of the brand's commitment to performance, efficiency, and user experience.

The Lenovo 4285 is known for its robust build and versatility. This laptop is equipped with a powerful processor, ensuring smooth performance for multitasking and resource-intensive applications. With a focus on portability, it features a lightweight design coupled with a long-lasting battery life, making it an ideal choice for professionals on the go. Additionally, the display boasts vibrant colors and sharp resolution, enhancing the multimedia experience.

In the realm of mid-range laptops, the Lenovo 5205 stands out with its impressive specifications. This model integrates advanced cooling technology, which prevents overheating during extended use. The ergonomic keyboard design is perfect for long typing sessions, providing comfort and efficiency. Furthermore, the inclusion of multiple connectivity options ensures seamless integration with various peripherals, making it a versatile choice for both work and entertainment.

For budget-conscious consumers, the Lenovo 2471 delivers exceptional value without compromising quality. This model is perfect for students and entry-level users, featuring a compact design and sufficient processing power for everyday tasks. It offers a reliable performance for web browsing, document editing, and video streaming. Lenovo’s emphasis on durability is evident, with the 2471 designed to withstand the rigors of daily use.

The Lenovo 2557 offers a blend of style and functionality. With a sleek profile and modern aesthetics, this laptop does not skimp on performance. It features a vibrant display paired with excellent audio output, making it suitable for streaming media and gaming. The device’s built-in security features, including biometric authentication, provide peace of mind for users concerned about data protection.

Lastly, the Lenovo 3265 is tailored for business professionals seeking efficiency and reliability. Boasting powerful processing capabilities and adequate storage options, this model is perfect for handling business applications and data analysis. Additionally, the Lenovo 3265 is equipped with advanced connectivity features, including Wi-Fi 6 support, ensuring fast and reliable internet access.

In summary, the Lenovo models 4285, 5205, 2471, 2557, and 3265 are diverse offerings that cater to various user needs—from students to professionals—combining performance, durability, and cutting-edge technology to enhance productivity and entertainment experiences.