Dell GX280DT - GX280 Desktop Computer User Manual

Disconnect the cable that attaches the adapter to the system board. Do not route card cables over or behind the cards. As selection an option is active. Hz — hertz — A unit of frequency measurement that equals 1 cycle per second. You can use Password Status in conjunction with System Password and Admin Password to further protect your computer from unauthorized changes. Desktop Computer - Front View cover release latch This latch allows you to open the computer cover.

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When the admin password is enabled, you must know the admin password before you can reset the Chassis Intrusion setting. This feature, if installed and enabled, detects that the chassis was opened and alerts the user. To change the Chassis Intrusion setting: Option Settings You cannot change or enter a new system password if either of the following two options is displayed: Set — A system password is assigned.

Disabled — The system password is disabled by a jumper setting on the system board. You can only assign a system password when the following option is displayed: 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. As selection an option is active. Drive 0 through NOTE: These Drive n options appear as Drive 0 through Drive 3 for the small form-factor, small desktop and desktop computers and Drive 0 though Drive 5 for the small mini-tower and tower computers.

Configures the serial ATA controller's operating mode. The settings Address are h default , h, and 3BCh.

Auto, the default setting, automatically Serial configures a connector to a Port 1 particular See "Security" for more information. This option provides restricted access to the computer's System Setup program in the same way that access to the system can be restricted with the System Password option. The settings are Set, Not Set, and Disabled. This option locks the system password field with the admin password.

When installed and enabled, this option alerts the user, during the next computer start-up, Remote Wakeup- capable modem receives a wake up signal.

Off is the default setting. Normally, the system can be powered up 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. Press the up- and down-arrow keys to move through the list of devices. Press the spacebar to enable or disable a device enabled devices have a checkmark. To boot to a USB device, the device must be bootable. Close the computer cover.

Connect your computer and monitor to electrical outlets, and turn them on. Turn off the monitor and disconnect it from the electrical outlet. 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. Support the battery connector by pressing down firmly on the positive side of the connector.

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. Open the computer cover. 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.

Back to Contents Page Before you begin any of the procedures in this section, follow the safety instructions located in the Product Information Guide. Gently slide the chassis intrusion switch into its slot and reconnect the cable to the system board. Attach the computer stand, if it is used. To connect a network cable, first plug the cable into the network wall jack and then plug it into the computer.

Select the Chassis Intrusion option and then press the left- or right-arrow key to select Reset. Change the setting to On, On-Silent, or Disabled. 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. If your operating system has ACPI enabled, when you press the power button the computer will perform an operating system shutdown. Dell badge Can be rotated to match the orientation of your computer. To rotate, place fingers around the outside of the badge, press firmly, and turn the badge. On computers with a network connector card, use the connector on the card.

It is recommended that you use Category 5 wiring and connectors for your network. If you must use Category 3 wiring, force the network speed to 10 Mbps to ensure reliable operation.

ISA cards are not supported. Follow the procedures in "Before You 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.

Replace the computer cover, reconnect the computer and devices to electrical outlets, and turn them on. If you removed a sound card: Enter system setup, select Audio Controller, and change the setting to On. Insert the card firmly into the card connector on the riser board. Lower the card retention lever and press it into place, securing the card s in the computer.

Connect the network cable to the integrated connector on the computer back panel. If necessary, disconnect any cables connected to the card.

Lower the retention arm and press it into place. Close the computer cover, reconnect the computer and devices to electrical outlets, and turn them on. After you open and close the cover, the chassis intrusion detector, if installed and enabled, causes the following message to appear on the screen at the next computer start-up: Cover was previously removed.

If you are installing a new serial port adapter, remove the filler bracket to create an empty card-slot opening. If you are replacing an adapter that is already installed in the computer, remove the adapter. If necessary, disconnect any cables connected to the adapter. Grasp the serial port adapter by its top corners, and ease it out of its connector. Follow the procedures in "Before You Begin. Press the tab to raise the retention lever. Disconnect the cable that attaches the adapter to the system board.

To guard against electrical shock, always unplug your computer from the electrical outlet before opening the cover. Most interface connectors are keyed for correct insertion; that is, a notch or a missing pin on one connector matches a tab or a filled-in hole on the other connector.

Keyed connectors ensure that the pin-1 wire in the cable indicated by the colored stripe along one edge of the IDE cable—serial ATA cables do not use a colored stripe goes to the pin-1 end of the connector. Remove the floppy drive from the bay and carefully set it aside. Press in on the two securing clips on each side of the drive and slide the drive towards the back of the computer. Do not pull the drive out of the computer by the drive cables. Connect the power and hard-drive cables to the drive.

Locate the correct slot for the drive and gently insert the drive into the bay, sliding it forward until you hear a click or feel the drive securely installed. Partition and logically format your drive before you proceed to the next step. For instructions, see the documentation that came with your operating system. Test the hard drive by running the Dell Diagnostics. Install your operating system on the hard drive. If you are replacing an existing drive: Use a small flat-edge screw driver on the backside of the panel insert to gently pop off the insert.

Remove the shoulder screws 4 from the old drive. Verify that your computer works correctly by running the Dell Diagnostics. Update your configuration information by setting the appropriate Drive option 0 or 1 under Drives.

See "System Setup" for more information. If you are installing a processor upgrade kit from Dell, discard the original heat sink. If you are not installing a processor upgrade kit from Dell, reuse the original heat sink when you install your new processor. When replacing the processor, do not touch any of the pins inside the socket or allow any objects to fall on the pins in the socket.

Gently remove the processor from the socket. Leave the release lever extended in the release position so that the socket is ready for the new processor. If you are not installing a processor upgrade kit from Dell, reuse the original heat sink assembly when you replace the processor. If you installed a processor replacement kit from Dell, return the original heat sink assembly and processor to Dell in the same package in which your replacement kit was sent.

Connect your computer and devices to electrical outlets, and turn them on. Click User's and system guides and click User's guides. Microsoft Windows License Label These labels are located on your computer.

Use the Service Tag to identify your computer when you use support. Enter the Express Service Code to direct your call when contacting technical support. The Express Service Code is not available in all countries. 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. Toll-free numbers are for use within the country for which they are listed. When you need to contact Dell, use the electronic addresses, telephone numbers, and codes provided in the following table.

If you need assistance in determining which codes to use, contact a local or an international operator. Dell Outlet Store Dell refurbished computers 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. For information on the type of memory supported by your computer, look under "Memory" in "Specifications. Before you install new memory modules, download the most recent BIOS for your computer from the Dell Support website at support.

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.

Align the notch on the bottom of the module with the crossbar in the connector. To avoid damage to the memory module, press the module straight down into the connector while you apply equal force to each end of the module. Then repeat steps 5, 6, and 7. Run the Dell Diagnostics to verify that the memory modules are operating properly.

Orange — A good connection exists between a Mbps network and the computer. Yellow — A good connection exists between a 1-Gbps or Mbps network and the computer. Off — The computer is not detecting a physical connection to the network. Some network adapters automatically start the computer when they are connected to a network. To guard against electrical shock, be sure to unplug your computer from its electrical outlet before installing any cards. With your free hand, gently squeeze the sides of the retention mechanism to release it from the tab slots holding it in place.

Pivot the retention mechanism upward to release it from the two tab slots. If you are installing a new card, remove the filler bracket to create a card-slot opening. If applicable, before replacing 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. Gently push the release tab on the retention lever.

Grasp the serial port adapter bracket by its top corners, and ease it out of its connector. Due to the limited amount of drive bays and IDE controllers on this computer, you will not be able to connect all devices at once. Connector 1 colored stripe on IDE cable 2 interface cable connector 3 interface connector Most interface connectors are keyed for correct insertion; that is, a notch or a missing pin on one connector matches a tab or a filled-in hole on the other connector.

To avoid damage to the drive, do not set it on a hard surface. Instead, set the drive on a surface, such as a foam pad, that will sufficiently cushion it. If you are replacing a hard drive that contains data you want to keep, back up your files before you begin this procedure.

Check the documentation for the drive to verify that it is configured for your computer. If your replacement hard drive does not have the plastic guide bracket attached, remove the bracket from the old drive by unsnapping it from the drive. Snap the bracket onto the new drive. See the documentation for your operating system for instructions.

If the drive you just installed is the primary drive, install your operating system on the hard drive. Move the first hard drive from the upper bay to the lower bay: Disconnect the power and the hard-drive cables from the back of the first hard drive. Connect your computer and devices to their electrical outlets, and turn them on. See the documentation that came with the drive for instructions on installing any software required for drive operation.

The drive panel only fits one way. If you are replacing a floppy drive, remove the shoulder screws from the old drive and attach the screws to the replacement drive. If you are installing a new floppy drive, remove the drive-panel insert, remove the shoulder screws from the inside of the drive-panel insert and attach the screws to the new drive.

Enter system setup and use the Diskette Drive option to enable your new floppy drive. Disconnect the DC power cables from the system board and the drives. Note the routing of the DC power cables underneath the tabs in the computer frame as you remove them from the system board and drives. You must route these cables properly when you replace them to prevent their being pinched or crimped.

Using shielded cables ensures that you maintain the appropriate EMC classification for the intended environment. For parallel printers, a cable is available from Dell. If you prefer, you can order a cable from Dell on the World Wide Web at accessories.

The following information is provided on the device or devices covered in this document in compliance with FCC regulations: A driver acts like a translator between the device and any other programs that use the device. Each device has its own set of specialized commands that only its driver recognizes. Dell ships your computer to you with required drivers already installed—no further installation or configuration is needed. The optional Drivers and Utilities CD may contain drivers for operating systems that are not on your computer.

If this is your first time to use the Drivers and Utilities CD, the Installation window opens to inform you that the CD will begin the installation. Click OK and respond to the installation program prompts to complete the installation. To help you troubleshoot a problem, your computer has four lights labeled "1," "2," "3," and "4" on the front or back panel.

The lights can be "off" or green. When the computer starts normally, the patterns or codes on the lights change as the boot process completes. If your computer beeps during start-up: Before you restore the computer to an earlier operating state, save and close any open files and exit any open programs. Do not alter, open, or delete any files or programs until the system restoration is complete. The options can overwrite files and possibly affect programs installed on your hard drive.

Therefore, do not reinstall Windows XP unless a Dell technical support representative instructs you to do so. To prevent conflicts with Windows XP, disable any virus protection software installed on your computer before you reinstall Windows XP.

To complete the installation, respond to the prompts offered by the installation program. Service Tag, 6 software conflicts, 36 System Restore, 36 troubleshooting beep codes, 35 conflicts, 36 Dell Diagnostics, 28 diagnostic lights, 32 Hardware Troubleshooter, 36 Help and Support Center, 7 restore computer to previous operating state, 36 system lights, 31 Index Le site Web de support technique de Dell fournit plusieurs outils en ligne, notamment: Appuyez sur ce bouton pour allumer l'ordinateur.

Pour le faire pivoter, placez vos doigts sur le pourtour du badge, appuyez fermement dessus, puis tournez-le. Pour faire pivoter le badge, placez vos doigts sur le pourtour du badge, puis appuyez fermement et tournez le badge. Ordinateur de bureau AVIS: Pour savoir comment contacter Dell, reportez-vous au Guide d'utilisation en ligne. N'appuyez pas sur une touche lorsque le message suivant s'affiche: Pour terminer l'installation, suivez les invites du programme d'installation.

Marcas comerciales utilizadas en este texto: Estas etiquetas se incluyen en el ordenador. Unidad de disco flexible Inserte un disquete en esta unidad. Conectores del panel Enchufe los dispositivos serie, USB y de otro tipo en el conector apropiado. Conector del adaptador Para conectar el ordenador a una red o a un dispositivo de banda ancha, conecte un de red extremo de un cable de red a un enchufe de red o a su dispositivo de banda ancha.

Conecte el otro extremo del cable de red al conector del adaptador de red, situado en el panel posterior del ordenador. Dell Support en support. Si el ordenador emite sonidos durante el inicio: Estas opciones pueden llegar a sobrescribir archivos y pueden afectar a las aplicaciones instaladas en la unidad de disco duro. Para evitar conflictos con Windows XP, desactive el software antivirus que tenga instalado en el ordenador antes de reinstalar Windows. Page of Go. Page - Equipo de formato reducido - Vista poste Table of Contents Add to my manuals Add.

Table Of Contents English Abbreviations And Acronyms Reproduction in any manner whatsoever without the written permission of Dell Inc. Page 6 Dell Support Website — support. Desktop Computer - Front View cover release latch This latch allows you to open the computer cover. Page 12 Press this button to turn on the computer.

Back-panel Connectors voltage selection switch Your computer is equipped with a manual voltage-selection switch.

Page 17 On computers with a sound card, use the connector on the card. Mini Tower Computer 3 Disconnect your computer and all attached devices from their electrical outlets, and then press the power button to ground the system board. Page 20 4 Slide the cover release latch back as you lift the cover. Page 26 You must complete all the steps to properly set up your computer. Solving Problems Power Connections Solving Problems Dell provides a number of tools to help you if your computer does not perform as expected.

System Lights Check "Diagnostic Lights" on page 32 to see if the specific problem is identified. Beep Codes If your computer beeps during start-up: Page 40 7 Enter your name and organization optional in the Personalize Your Software screen, and click Next.

Page 42 Quick Reference Guide Page 44 Service Tag, 6 software conflicts, 36 System Restore, 36 troubleshooting beep codes, 35 conflicts, 36 Dell Diagnostics, 28 diagnostic lights, 32 Hardware Troubleshooter, 36 Help and Support Center, 7 restore computer to previous operating state, 36 system lights, 31 Index Ordinateur De Bureau - Vue Frontale loquet de fermeture du Ce loquet permet d'ouvrir le capot de l'ordinateur.


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