Mini Tower Computer

Before Working Inside Your Computer

Use the following safety guidelines to help protect your computer from potential damage and to help ensure your own personal safety.

CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Product Information Guide.

NOTICE: Only a certified service technician should perform repairs on your computer. Damage due to servicing that is not authorized by Dell is not covered by your warranty.

NOTICE: When you disconnect a cable, pull on its connector or on its strain-relief loop, not on the cable itself. Some cables have a connector with locking tabs; if you are disconnecting this type of cable, press in on the locking tabs before you disconnect the cable. As you pull connectors apart, keep them evenly aligned to avoid bending any connector pins. Also, before you connect a cable, ensure that both connectors are correctly oriented and aligned.

To avoid damaging the computer, perform the following steps before you begin working inside the computer.

1Turn off your computer if it is not already turned off.

NOTICE: To disconnect a network cable, first unplug the cable from your computer and then unplug it from the network wall jack.

2Disconnect any telephone or telecommunication lines from the computer.

3Disconnect your computer and all attached devices from their electrical outlets, and then press the power button to ground the system board.

4Remove the computer stand, if it is attached.

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

NOTICE: 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 any static electricity that could harm internal components.

NOTICE: Before touching anything inside your computer, ground yourself by touching an unpainted metal surface. While you work, periodically touch an unpainted metal surface to dissipate any static electricity that could harm internal components.

1Follow the procedures in "Before You Begin" on page 20.

2If you have installed a padlock through the padlock ring on the back panel, remove the padlock.

3Lay the computer on its side as shown in the following illustration.

4Slide the cover release latch back as you lift the cover.

Quick Reference Guide

GX620 specifications

The Dell OptiPlex GX620 is a desktop computer that was launched in the mid-2000s and quickly became popular in business environments. Despite its age, the OptiPlex GX620 remains notable for its build quality, upgradeability, and reliability, traits that have made Dell a respected name in the commercial PC market.

One of the key features of the GX620 is its compact form factor. The system was available in several configurations, including a small form factor (SFF) and a mini-tower, allowing it to fit comfortably in various workspace environments. This flexibility makes it an attractive option for businesses looking to save space while maintaining performance.

The GX620 was powered by Intel processors, specifically the Intel Pentium D and Intel Core Duo. These efficient processors provided ample power for productivity tasks, making the GX620 suitable for typical office applications such as word processing, spreadsheets, and web browsing. The system supported a maximum of 4GB of DDR2 RAM, which, while modest by today’s standards, was ample for the typical uses of its time.

In terms of storage, the GX620 offered several options, including traditional hard drives with variable capacities. This allowed users to select the right balance of performance and storage size according to their specific needs. Additionally, the system featured numerous connectivity options, including USB 2.0 ports, audio jacks, and an optional PCI Express slot for expanding capabilities with additional graphics or network cards.

The OptiPlex GX620 was equipped with Dell's management technology, which included remote management features that allowed IT departments to efficiently deploy and maintain multiple units across an organization. This was particularly advantageous for larger businesses that required centralized management tools to streamline operations.

Moreover, the GX620 was built with Dell's focus on sustainability and energy efficiency. The design considered environmental factors, and users appreciated its low power consumption relative to performance, aligning with corporate sustainability goals.

In conclusion, the Dell OptiPlex GX620 remains a notable example of robust desktop computing designed for business environments. With its compact design, reliable performance, and management features, it served well in various office settings despite being a product of an earlier era, showcasing Dell's commitment to quality and functionality.