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Setting up BIOS in Dell® OptiPlex GX620

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What is the purpose of BIOS? How to reset BIOS in Dell OptiPlex GX620?

BIOS (basic input/output system) located on EPROM is an integral part of the computer which is a small library of input/output functions. The microprocessor transfers control to the BIOS when the computer is turned on, and the BIOS ensures that all the ports, hard drives, CPU, and the other chips are functioning together. Fast data flow directly from devices to the memory is also made effective. At present, BIOS is mainly being used for video initialization and booting a system. A user can easily set the system clock, enable or disable system components, set various password prompts, and configure hardware in BIOS. In addition to these, a device eligible to be a potential boot device can also be selected. Dell OptiPlex GX620 BIOS has a capacity of 250 GB and is sure to meet the demanding needs in performance and scalability and also to provide maximum protection in investment for the future. It minimizes ownership costs and provides unsurpassed choice. Problems may arise with power, printer, battery, drive, keyboard, memory, sound and speaker, serial or parallel devices, lockups, and software, which can be easily solved by following the instructions in the manual provided by the manufacturer.

Discussed below are some points that can help the users to have a clear idea on how to reset BIOS in Dell OptiPlex GX620:

  • Advanced features
  • Resetting the BIOS
  • Alternate method for resetting the BIOS

Advanced features

Dell OptiPlex GX620 BIOS have many advanced features, which include manageability, security, system set-up, hyper-threading, clearing CMOS settings, power management, clearing forgotten passwords, password protection, and above all Legacy Select Technology Control. This control helps media devices and connectors to be electronically activated or deactivated. Booting to a USB device is also possible. This should only be done by checking the device documentation to ensure that the device is bootable.

Resetting the BIOS

There are mainly two methods by which we can reset the BIOS. The easiest method is to unplug the power cable from the power supply and remove the button battery on the mother board for five to ten minutes. Ensure that the system is fully discharged. Reset can be completed by reinstalling the battery and plugging in the system. Make sure that you ground yourself so as to prevent damage to PC due to electrostatic discharge.

Alternate method for resetting the BIOS

In systems having a three-pin jumper, the problem can be resolved by switching off the machine and connecting the jumper initially on pins 2 and 3 to pins 1 and 2, and then switching on the machine. The instructions provided in the manual should be carefully read before the reset is done.


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