Dell 9400 owner manual System Fans

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System Fan(s)

Dell™ Inspiron™ 9400 Service Manual

CAUTION: Before you begin the following procedure, see the safety instructions in the Product Information Guide.

NOTICE: To avoid electrostatic discharge, ground yourself by using a wrist grounding strap or by periodically touching an unpainted metal surface (such as the back panel) on the computer.

NOTICE: To help prevent damage to the system board, remove the main battery (see Before Working Inside Your Computer) before working inside the computer.

1.Follow the instructions in Before Working Inside Your Computer.

2.Remove the hinge cover (see Removing the Hinge Cover).

3.Remove the keyboard (see Keyboard).

4.Remove the display assembly (see Removing the Display Assembly).

5.Remove the palm rest (see Removing the Palm Rest).

NOTE: This computer may have either one or two system fans, depending on the video configuration. If the video memory is integrated on the system board rather than on a separate video card/thermal-cooling assembly, the computer has only one fan—the processor fan. The processor fan is the larger fan, and the smaller fan (if present) is for the video card/thermal-cooling assembly (if installed).

6.Remove the two M2.5 x 5-mm screws from the fan(s), and then disconnect the connector(s) that connect the fan(s) to the system board.

7.Lift the fan(s) out of the computer.

1

fan for processor thermal-cooling assembly

2

M2.5 x 5-mm screws (2)

3

fan cable

 

 

 

 

 

 

4

fan-cable system board connector

 

 

 

 

 

 

 

 

 

 

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Contents Abbreviations and Acronyms Battery Latch Assembly Removing the Battery Latch AssemblyReplacing the Battery Latch Assembly Back to Contents Before You Begin Recommended ToolsTurning Off Your Computer Before Working Inside Your ComputerComputer Orientation Screw IdentificationPage Back to Contents Internal Card With Bluetooth Wireless Technology ExpressCard Cage Mini-Card Back to Contents Removing the Coin-Cell Battery Coin-Cell BatteryReplacing the Coin-Cell Battery Back to Contents System Components Processor Module Removing the Processor ModuleReplacing the Processor Module Removing the Processor Thermal-Cooling Assembly Processor Thermal-Cooling AssemblyReplacing the Processor Thermal-Cooling Assembly Back to Contents Display Assembly DisplayReplacing the Display Assembly Display Bezel Removing the Display Bezel Display Panel Replacing the Display BezelPage Display Latch Replacing the Display PanelBack to Contents System Fans Back to Contents Flashing the Bios Removing the Hard Drive Hard DriveReplacing the Hard Drive Returning a Hard Drive to Dell Removing the Hinge Cover Hinge CoverReplacing the Hinge Cover Keyboard Memory Modules Removing the Memory ModulesReplacing the Memory Modules Modem Removing the ModemReplacing the Modem Optical Drive Palm Rest Removing the Palm RestReplacing the Palm Rest Replace the hinge cover see Replacing the Hinge Cover Pin Assignments for I/O Connectors USB ConnectorVideo Connector Video TV-Out ConnectorIeee 1394 Connector Removing the Speakers SpeakersReplacing the Speakers Back to Contents Subwoofer System Board Removing the System BoardPage Replacing the System Board Remove the processor see Removing the Processor ModuleBack to Contents Back to Contents Removing the USB Port Board USB Port BoardReplacing the USB Port Board Back to Contents Removing the Video Card/Thermal-Cooling Assembly Video Card/Thermal-Cooling AssemblyReplacing the Video Card/Thermal-Cooling Assembly Back to Contents
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9400 specifications

The Dell Latitude D9400, introduced as part of the Latitude series, is a high-performance laptop targeting business users and professionals who demand reliability and strong performance. Known for its robust design, the D9400 integrates powerful hardware features with advanced technologies to cater to various professional needs.

One of the key features of the Dell 9400 is its display. It comes with a 17-inch widescreen LCD that offers vibrant colors and sharp visuals, making it ideal for presentations and multimedia tasks. The resolution options range from standard to high-definition, providing users with flexibility based on their requirements. Furthermore, the anti-glare coating minimizes reflections, enhancing the overall viewing experience under different lighting conditions.

Performance-wise, the Latitude D9400 stands out with its Intel Core processors, which offer high processing power and efficiency. The D9400 can be configured with various RAM options, allowing users to run multiple applications smoothly and enhance overall productivity. Additionally, the laptop supports substantial storage options, including SATA hard drives and solid-state drives (SSDs), ensuring that users have ample space for their files, applications, and data.

The Dell D9400 is engineered with various connectivity options, including several USB ports, an HDMI output, and Ethernet ports, ensuring that users can connect to various devices and networks seamlessly. It also comes with built-in Wi-Fi and optional mobile broadband capabilities, providing users with connectivity on the go.

The laptop’s design incorporates a durable chassis suitable for frequent travel, making it an excellent choice for business professionals. Its spill-resistant keyboard adds to its practicality, ensuring that accidental spills do not result in lasting damage. Furthermore, the battery life of the Latitude D9400 is optimized for long usage, crucial for professionals who are often on the move.

In terms of security, the Dell 9400 includes features like a fingerprint reader and smart card reader, enhancing data protection and user privacy. These characteristics make it a suitable choice for enterprise environments where data security is of paramount importance.

Ultimately, the Dell Latitude D9400’s combination of robust features, connectivity options, and security technologies creates a versatile workhorse tailored for the demanding needs of professionals and businesses alike. Whether it is for tasks involving heavy computational work or day-to-day office applications, the D9400 stands as a reliable option in the competitive business laptop landscape.
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