Audio Driver For Dell Optiplex Gx520 Free Download Install Update
The system battery has reached a voltage of 2. Change the state of your computer, such as updating its BIOS or shutting it down remotely. If you leave your computer running and unattended without having a system password assigned, or if you leave your computer unlocked so that someone can disable the password by changing a jumper setting, anyone can access the data stored on your hard drive.
You can use Password Status in conjunction with System Password and Admin Password to further protect your computer from unauthorized changes. Turn on or restart your computer. Then shut down your computer and try again.
Key Functions — This field appears below the Option Field and lists keys and their functions within the active system setup field. Depending on your computer and installed devices, the items listed in this section may or may not appear. Enables or disables the front-panel USB connectors. The default setting is On. To disable the front-panel connectors, select Off. The option only appears for a hard drive installed in the module bay that supports hard-drive passwords. If no hard drive is installed in the module bay, or if one is installed that does not support a hard-drive password, this option will not display.
This option locks the system password field with the administrator password. Changing Boot Sequence for the Current Boot You can use this feature, for example, to tell the computer to boot from the CD drive so that you can run the Dell Diagnostics on the Drivers and Utilities CD, but you want the computer to boot from the hard drive when the diagnostic tests are complete.
You can also use this feature to restart your computer to a USB device such as a floppy drive, memory key, or CD drive. Before you begin any of the procedures in this section, follow the safety instructions located in the Product Information Guide. This process erases both the system and administrator passwords. Follow the procedures in "Before You Begin. The real-time clock is being reset jumpered temporarily. Connect your computer and monitor to electrical outlets, and turn them on.
Click the Start button, right-click My Computer, and then click Properties. Click Hardware and click Device Manager. If Hyper- Threading is enabled, the processor is listed twice. You can enable or disable Hyper-Threading through system setup.
Before you begin any of the procedures in this section, follow the safety instructions in the Product Information Guide.
To prevent static damage to components inside your computer, discharge static electricity from your body before you touch any of your computer's electronic components. To avoid damage to the battery connector, you must firmly support the connector while replacing the battery.
Install the new system battery. Hold a component such as a processor by its edges, not by its pins. 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. If applicable, remove the computer stand for instructions, see the documentation that came with the stand and the cable cover, if attached. To guard against electrical shock, always unplug your computer from the electrical outlet before removing the cover.
Read and follow the safety instructions that came with the product. Disconnect your computer and all attached devices from their electrical outlets, and then press the power button to ground the system board.
Back to Contents Page Before you clean your computer, disconnect the computer from the electrical outlet. Clean your computer with a soft cloth dampened with water. Ensure that all cables are connected, and fold cables out of the way. Other trademarks and trade names may be used in this document to refer to either the entities claiming the marks and names or their products.
The Quick Reference Guide is optional and may not ship with your computer. This document is available as a PDF at support. DSS is necessary for correct operation of your Dell computer.
The software automatically detects your computer and operating system and installs the updates appropriate for your configuration. Dell's Express Service Code system may not be available in all countries. When prompted by Dell's automated telephone system, enter your Express Service Code to route the call directly to the proper support personnel.
Product Information If you need information about additional products available from Dell, or if you would like to place an order, visit the Dell website at www. For the telephone number to call to speak to a sales specialist, see the contact numbers for your region. If you do not see a telephone number listed that is specific for Inspiron XPS computers, you may contact Dell through the technical support number listed and your call will be routed appropriately. E-mail for French-speaking Customers: Transaction Sales Xiamen, China 29 Website: Software and Peripherals Sales toll-free: In case your hard drive is damaged or your computer has a virus, ensure that you always have a bootable CD or floppy disk available.
A connector on the system board in some computers where you insert an expansion card, connecting it to the system bus. Express Service Code service may not be available in some countries.
Hz — hertz — A unit of frequency measurement that equals 1 cycle per second. A device that allows your computer to communicate with other computers over analog telephone lines. Three types of modems include: You typically use your modem to connect to the Internet and exchange e-mail. A computer may include a network adapter on its system board, or it may contain a PC Card with an adapter on it. A network adapter is also referred to as a NIC network interface controller.
Sometimes the processor is referred to as the CPU central processing unit. Programs require an operating system to run. Service Tag — A bar code label on your computer that identifies your computer when you access Dell Support at support. Text editors do not usually provide word wrap or formatting functionality the option to underline, change fonts, and so on. One W is 1 ampere of current flowing at 1 volt.
WHr — watt-hour — A unit of measure commonly used to indicate the approximate capacity of a battery. For example, a WHr battery can supply 66 W of power for 1 hour or 33 W for 2 hours.
Before you install new memory modules, download the most recent BIOS for your computer from the Dell Support website at support. If the DDR2 memory modules are not installed with the same amount of memory in each channel, the computer will continue to operate, but with a slight reduction in performance.
If you remove your original memory modules from the computer during a memory upgrade, keep them separate from any new modules that you may have, even if you purchased the new modules from Dell. If possible, do not pair an original memory module with a new memory module. Then repeat steps 5, 6, and 7. Run the Dell Diagnostics to verify that the memory modules are operating properly.
For more information about sleep modes and exiting from a power-saving mode, see "Power Management. The integrated parallel connector is automatically disabled if the computer detects an installed card containing a parallel connector configured to the same address.
To avoid electrical shock, always unplug your computer from the electrical outlet before removing the computer cover. Be careful when opening the computer cover to ensure that you do not accidentally disconnect cables from the system board. ISA cards are not supported. Follow the procedures in "Before You Set the card retention mechanism aside in your work area. If you are installing a new card, remove the filler bracket to create a card-slot opening. Then continue with step 5.
If you are replacing a card that is already installed in the computer, remove the card. If necessary, disconnect any cables connected to the card. If you are removing the card permanently, install a filler bracket in the empty card-slot opening. If you need a filler bracket, contact Dell.
Installing filler brackets over empty card-slot openings is necessary to maintain FCC certification of the computer. The brackets also keep dust and dirt out of your computer. Gently press down on the card retention mechanism to secure the adapter bracket in place. Close the card retention latch by snapping it into place.
To connect a network cable, first plug the cable into the network wall jack and then plug it into the computer. Gently push the release tab on the card retention latch from the inside to pivot the latch open.
The latch will remain in the open position. Before you replace and lower the card retention mechanism, ensure that: The tops of all cards and filler brackets are flush with the alignment bar.
The notch in the top of the card or filler bracket fits around the alignment guide. Open the card retention mechanism that secures the adapter bracket and cards in place from the top:
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Dell OptiPlex GX520 User Manual
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