6.Close the display and turn the computer upside-down on a flat work surface.

NOTE: To avoid damaging the system board, you must remove the main battery before you service the computer.

7.Remove the main battery.

8.Turn the computer top-side up.

9.Open the display.

10.Press the power button to ground the system board.

CAUTION: To guard against electrical shock, always unplug your computer from the electrical outlet before opening the display.

CAUTION: Before touching anything inside your computer, ground yourself by touching an unpainted metal surface, such as the metal at the back of the computer. While you work, periodically touch an unpainted metal surface to dissipate static electricity, which could harm internal components.

11.Remove any installed ExpressCards or Smart Cards from the appropriate slots.

Turning Off Your Computer

CAUTION: To avoid losing data, save and close all open files and exit all open programs before you turn off your computer.

1.Shut down the operating system:

–In Windows 7:

Click Start, then click Shut Down.

–In Windows Vista:

Click Start, then click the arrow in the lower-right corner of the Start menu as shown below, and then click Shut Down.

–In Windows XP:

Click Start → Turn Off Computer → Turn Off . The computer turns off after the operating system shutdown process is complete.

2.Ensure that the computer and all attached devices are turned off. If your computer and attached devices did not automatically turn off when you shut down your operating system, press and hold the power button for about 6 seconds to turn them off.

After Working Inside Your Computer

After you complete any replacement procedure, ensure you connect any external devices, cards, and cables before turning on your computer.

CAUTION: To avoid damage to the computer, use only the battery designed for this particular Dell computer. Do not use batteries designed for other Dell computers.

1.Connect any external devices, such as a port replicator, battery slice, or media base, and replace any cards, such as an ExpressCard.

2.Connect any telephone or network cables to your computer.

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Dell 469-3486 owner manual Turning Off Your Computer, After Working Inside Your Computer
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469-3486 specifications

The Dell 469-3486 is a high-performance component designed to enhance the capabilities of Dell's line of desktops and workstations. This product primarily serves as a power supply unit (PSU) that supplies energy to the system while ensuring stability and reliability.

One of the standout features of the Dell 469-3486 is its robust wattage rating, typically around 360 watts. This output is ideal for powering mid-range desktops and workstations that may employ multiple peripherals or components. Ensuring consistent performance, the power supply adheres to strict safety standards and delivers a steady current that minimizes the risk of component damage due to power surges or drops.

The design of the Dell 469-3486 emphasizes both efficiency and cooling. It is built using quality materials, which contribute to its durability and longevity. The PSU features an advanced thermal management system that includes strategically placed ventilation to dissipate heat effectively. This design prevents overheating, allowing the system to operate at optimal performance levels without unnecessary thermal throttling.

Additionally, the Dell 469-3486 incorporates several protective technologies, including over-voltage protection, under-voltage protection, short circuit protection, and over-power protection. These features safeguard the computer's internal components, ensuring they receive stable voltage and reducing the risk of damage due to electrical anomalies.

Another key characteristic of the Dell 469-3486 is its compatibility with various Dell desktop models, ensuring versatility and ease of installation. The unit comes with all necessary connectors, including those for motherboards, drives, and other expansions, making it a plug-and-play solution for upgrades or replacements.

The Dell 469-3486’s energy efficiency is another significant aspect, often aligned with 80 PLUS certification. This certification indicates that the power supply operates at high efficiency, reducing overall energy consumption and lowering electricity bills for users.

In conclusion, the Dell 469-3486 is an essential power supply unit that blends performance, safety features, and efficiency. It is a reliable choice for users looking to upgrade or replace their existing PSU in Dell systems, making it a crucial component in achieving a stable and high-performing computing experience.
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