Contents

Important safety information	v
Service and upgrades	v
Static electricity prevention	v
Power cords and power adapters	vi
Extension cords and related devices	vi
Plugs and outlets	vii
External devices	vii
Heat and product ventilation	vii
Operating environment	viii
Modem safety information	viii
Laser compliance statement	ix
Power supply statement	ix
Cleaning and maintenance	ix

Chapter 1. Product overview	1
Features	1
Specifications	5
Software overview	5
Software provided by Lenovo	5
Adobe Reader	7
Antivirus software	7
Locations	7
Locating connectors, controls, and indicators
on the front of your computer	8
Locating connectors on the rear of your
computer	9
Locating components	11
Locating parts on the system board . . . .	12
Locating internal drives	14
Machine type and model label	15

Chapter 2. Using your computer . . .	17
Frequently asked questions	17
Using the keyboard	17
Using Windows shortcut keys	17
Using the blue ThinkVantage button . . . .	18
Using a fingerprint reader	18
Using the wheel mouse	18
Adjusting audio	18
About your computer audio	19
Setting the volume from the desktop . . . .	19
Setting the volume from Control Panel . . .	19
Using CDs and DVDs	19
Handling and storing CD and DVD media . .	20
Playing a CD or DVD	20
Recording a CD or DVD	20

Chapter 3. You and your computer .	.	23
Accessibility and comfort	.	23
Arranging your workspace	.	23
Comfort	.	23
Glare and lighting	.	24
Air circulation	.	24
Electrical outlets and cable lengths . . . .	.	24
Registering your computer	.	25
Moving your computer to another country or
region	.	25
Voltage-selection switch	.	25
Replacement power cords	.	26

Chapter 4. Security	27
Security features	27
Attaching an integrated cable lock	28
Using passwords	28
BIOS passwords	28
Windows passwords	29
Configuring the fingerprint reader	29
Using and understanding firewalls	29
Protecting data against viruses	29
Chapter 5. Installing or replacing
hardware	31
Handling static-sensitive devices	31
Installing or replacing hardware	31
Installing external options	31
Opening the computer cover	32
Removing and reinstalling the front bezel . .	32
Accessing the system board components
and drives	34
Installing or replacing a memory module . . .	35
Installing or replacing a PCI card	37
Installing or replacing the card reader . . . .	39
Replacing the battery	44
Installing the solid state drive	45
Replacing the hard disk drive	47
Replacing the optical drive	49
Replacing the heat sink and fan assembly . .	52
Replacing the power supply assembly . . .	55
Replacing the microprocessor	60
Replacing the cover presence switch . . . .	63
Replacing the internal speaker	65
Replacing the front audio and USB
assembly	67
Replacing the system fan	69

3691, 3690, 3695, 3688, 3693 specifications

Lenovo, a prominent player in the global computing market, has introduced a series of innovative products, including models such as the Lenovo 3693, 3688, 3695, 3690, and 3691. These models showcase advanced features and technologies that cater to diverse user needs, from everyday tasks to more demanding applications.

The Lenovo 3693 is known for its robust performance and sleek design. It features a powerful processor that enables multitasking with ease. The high-resolution display provides vibrant visuals, making it an ideal choice for both work and entertainment. Additionally, it includes various connectivity options, including USB-C and Thunderbolt, facilitating high-speed data transfers and efficient connection to peripherals.

Model 3688 stands out for its energy efficiency and portability. With a lightweight chassis, it is designed for users on the go. This model incorporates Lenovo's Smart Power technology, which optimizes battery usage, extending the laptop's runtime. The 3688 also offers a comfortable keyboard and precision touchpad, making it a great option for users who require a reliable device for typing and navigation.

The Lenovo 3695 is tailored for gaming enthusiasts, equipped with a dedicated graphics card that delivers stunning visuals and smooth gameplay. It features advanced cooling technology to ensure optimal performance during extended gaming sessions. The customizable RGB keyboard adds a personalized touch, allowing gamers to enhance their experience with vibrant lighting effects.

Lenovo 3690 focuses on business professionals, providing enhanced security features such as a fingerprint reader and privacy shutter for the webcam. The robust build quality ensures durability, while the high-performance specs support resource-intensive applications. Moreover, Lenovo’s proprietary software solutions enhance productivity, allowing users to manage their tasks efficiently.

Finally, the Lenovo 3691 offers an excellent blend of performance and affordability, making it suitable for students and budget-conscious users. It comes with a reliable processor and ample storage space, perfect for handling everyday applications like web browsing, document creation, and media consumption.

In summary, Lenovo’s series of models 3693, 3688, 3695, 3690, and 3691 cater to a wide range of users, combining advanced features, modern design, and cutting-edge technologies. Whether for gaming, business, or casual use, these models ensure a seamless computing experience tailored to individual needs.

Lenovo 3691, 3695, 3688, 3690, 3693 manual Contents

Models: 3691 3690 3695 3688 3693

3691, 3690, 3695, 3688, 3693 specifications