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dell optiplex gx170l manualTo see if System Restore is enabled: If Device Driver Rollback does not resolve the problem, then use System Restore to return your operating system to the operating state it was in before you installed the new device driver. We delete comments that violate our policy, which we encourage you to read. Discussion threads can be closed at any time at our discretion. Please check your inbox, and if you can’t find it, check your spam folder to make sure it didn't end up there. Please also check your spam folder. Page Count: 143 Advanced Features. LegacySelect Technology ControlManageability. Specifications. Security. Cleaning Your Computer. Password ProtectionBooting to a USB Device. Power Button. Power Management. Hyper-ThreadingMini-Tower Computer. About Your Computer. Front View. Back View. Inside Your Computer. System Board Components. Attaching and Removing the Computer StandAdding and Removing Parts. Before You Begin. Opening the Computer Cover. Removing the Computer Cover. Battery. Cards. Chassis Speaker. Drives. Control Panel. Memory. Power Supply. Processor. System Board. Replacing the Computer Cover. Replacing the Computer CoverAdditional Information. Advanced Troubleshooting. Solving Problems. Glossary. Getting Help. FCC Notices (U.S. Only). WarrantyInformation in this document is subject to change without notice. All rights reserved. Reproduction in any manner whatsoever without the written permission of Dell Inc.Trademarks used in this text: Dell, the DELL logo, OptiPlex, Inspiron, Dimension, Latitude, Dell Precision, DellNet, Dell TravelLite, PowerVault, PowerApp, Axim, and Dell OpenManage areENERGY STAR isAs an ENERGY STAR partner, Dell Inc.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. Dell Inc. disclaims anyModels MTC2 and DHSIf you do contact Dell, the test results can provideThen shut down your computer through the. Start menu and try again.http://www.rewitex.pl/userfiles/florida-dmv-drivers-license-manual.xml

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On the next start-up, the computer boots according to the devices specified in systemIf multiple versions are listed, select the version appropriate for your computer.Function This test typically takes 10 to 20 minutes and requires no interaction on your part. Run Express Test first toTestThis test typically takes an hour or more and requires you to answer questions periodically.You can customize the tests you want to run.TreeWrite down the error code andIf you contact Dell, technical support will ask for your Service TagFunction The device list may not display the names of all the components installed onTo exit the Dell Diagnostics and restart the computer, close the Main Menu screen.All devices require a driver program.Each device has its own set of specialized commands that onlyEnsure that you are installing softwareSee the Windows HelpSystem Restore does not monitor your data files or recover them.All calendar dates with available restore pointsIf two or more restore points are available, click theTo see if System Restore isRollback. If Device Driver Rollback does not resolve the problem, then use System Restore to return your operating system to the operating state it was inFor conventional hard drive configurations, the primaryUse the Drivers and Utilities CD to loadYou may be prompted for the. Product Key when using the Operating System CD under certain conditions.After you reinstall the operating system, you must also reinstall the device drivers, virusThe options can overwrite files and possibly affect programs installedIf any program starts automatically, exit the program before proceeding.The computer automatically restartsThe computer automatically restarts.Back to Contents PageConnectors and media devices that are deactivated make resources available. You must restart theIT Assistant manages assets, configurations, eventsIt supports instrumentation that conforms to SNMP, DMI, and CIMFor information on IT Assistant, see the Dell.http://escolaalfa.com/userfiles/florida-dmv-manual-2015.xml OpenManage IT Assistant User's Guide available on the Dell Support website at support.dell.com.The documentation that comes with the deviceUse one of the following methods to secure your computer:If your data requires more security, it is yourTo erase a character when entering your password, press or the left-arrow key. The password is notIf you enter one of these combinations, the speaker emits a beep.Then the option heading changes to Verify Password,Enter password:The third and subsequent times you type anSystem halted! Must power down.If Not Enabled is not displayed, press to restart the computer, and then repeatHowever, the system password cannotIf a character is not permitted, the computer emits a beep.The next time you enter system setup, the computer prompts you forWhen you enter system setup, both password options appear as Not Enabled—the password feature is enabledTo confirm this information, see the. Manufacturing Test Report that came with your computer, or find this information in the online Dell Accessories folder.Information on the screen is organized into four areas:The fields that you can change appear bright on the screen. The fields that you cannotWhen appears to the right of an option title, press to access aActionIn many fields, you can also type theIf the floppy disk in the drive is not bootable, or if no floppy disk is in the drive,If no operating system is on the drive, the computer generates an errorIf no CD is in the drive, or if the CD has no operating system, the computer generates anPressing this key combinationIf a boot routine is not available from the networkTo make sure your device is bootable, check the device documentation.Then shut down your computer and try again.Each device has a number next to it. At the bottom of the menu, enter the number ofThe two options are 3.5 Inch, 1.44 MB and Not. Installed.For example, if a single floppy drive and a tape drive are attached to the floppy driveHard-Disk Drive Sequence — If you insert a boot device and reboot, this option will appear in your system setup menu.Memory Information — Indicates amount of installed memory, computer memory speed, amount of video memory, and size of the display cache. CPU InformationThe default setting is. Disabled. The other two setting are Enabled and Default.A change to this option takes effect immediately (no restart is necessary).Integrated Devices (Legacy Select Options) — Configures the following devices integrated with the system board:Auto automatically configures a connector to a particular designation (COM1Set the Mode option according to the type of device connected to the parallelSettings are DMA 1, DMA 3, or Off.Keyboard NumLock — The settings are On and Off (does not apply to 84-key keyboards).Report Keyboard Errors — Settings are Report (default) and Do Not Report. Auto Power On —Time is kept in a 24-hour format (hours:minutes).Remote Wake Up — provides the ability either to remotely wake a computer from a low-power sleep state or to remotely start up a computer that is turnedFastbootOS Install ModeHard Drive Acoustics ModeSystem Event Log — View or clear system event logs. Asset Tag — Displays the customer-programmable asset tag number for the computer if an asset tag number is assigned.To ensure that your device is bootable, check the device documentation.ResultsOnComputer in Computer. Standby. Turned Off. ModeUse the power buttonResultsTurned On and. ACPI DisabledComputer in. Computer. Suspend Mode Turned OffUse the power buttonYou control the power usage through the operating system installed on your computerHowever, system memory remainsOperation then resumes where the computer left offAs long as the computer remains connected to anFor example, the Auto Power On option in system setup allows the computer toAlso, your network administrator can remotely start your computer using a power management event such as. Remote Wake Up.While many programs can benefit from HyperThreading, some programs have not been optimized for Hyper-Threading and may require an update from the software manufacturer. Contact the softwareBack to Contents PageThe battery can last several years.F2 to run the setup utilityTurn off yourIf the date and time areIn this case, you must enter system setup and reset the configuration options.Replace the battery only with the same or equivalent type recommended by theBack to Contents PageUnless otherwise noted, each procedure assumes that theTurning Off Your ComputerThe computer turns off after the operating system shutdown process finishes.If your computer and attached devices did not automatically turn off when you shutDo not touch the components or contacts on a card. Hold a card by its edges or by its metalDamage due to servicing that is not authorized by Dell is notSome cables have a connector withAs you pull connectors apart, keepAlso, before you connect a cable, ensure that both connectors are correctly oriented andBack to Contents PageClean your computer with a soft cloth dampenedDoing so may damage the antiglare coating.If possible, use a special screen-cleaning tissue or solution suitable for theTo clean a non-optical mouse:Ensure that fluff from the swab is not left on the rollers.You might accidentally misalign the heads, which prevents the drive from operating.These kits contain pretreated floppy disks to remove contaminants that accumulate duringYou can also touch the inside edge of the center hole.You can also purchase commercial products that clean discs and provideCleaning products for CDs are safe to use on DVDs. Back to Contents PageMinitower ComputerDesktop ComputerIf not, repeat step b.Back to Contents PageFinding Information for Your ComputerDocumentation and drivers are already installed on your computer when shipped from Dell. YouNOTE: The Drivers and Utilities CD is optional and may not ship with all computers.DiagnosticsService Tag. License LabelNOTE: The Quick Reference Guide is optional and may not ship with all computers.This websiteTo reinstall your operating system, use the Operating. System CD.NOTE: The operating system media are optional and may not ship with all computers.AGP — accelerated graphics port — A dedicated graphics port that allows system memory to be used for video-related tasks. AGP delivers a smooth, true-colorAPR — advanced port replicator — A docking device that allows you to conveniently use a monitor, keyboard, mouse, and other devices with your portableASF — alert standards format — A standard to define a mechanism for reporting hardware and software alerts to a management console. ASF is designed toAs a precaution, back up the data files from your hard drive regularly.Also referred to as system setup.In case your hard drive is damaged or your computer has a virus, ensure that you always haveYour Drivers and Utilities or Resource CD is a bootable CD.In case your hard drive is damaged or your computer has a virus, ensure that you alwaysBTU — British thermal unit — A measurement of heat output.A byte is usually equal to 8 bits.Also known as a merchandise passport. CD — compact disc — An optical form of storage media, typically used for audio and software programs. CD drive — A drive that uses optical technology to read data from CDs. CD player — The software used to play music CDs. The CD player displays a window with buttons that you use to play a CD. CD-R — CD recordable — A recordable version of a CD. Data can be recorded only once onto a CD-R. Once recorded, the data cannot be erased or writtenCD-RW — CD rewritable — A rewritable version of a CD. Data can be written to a CD-RW disc, and then erased and written over (rewritten). CD-RW drive — A drive that can read CDs and write to CD-RW (rewritable CDs) and CD-R (recordable CDs) discs. You can write to CD-RW discs multiple times,You can write to CD-RW discs multiple times, but you can write to CD-R discs only once.COA — Certificate of Authenticity — The Windows alpha-numeric code located on a sticker on your computer. You may need the COA to complete the operatingAlso referred to as the Product Key or Product ID. Control Panel — A Windows utility that allows you to modify operating system and hardware settings, such as display settings.CRIMM — continuity rambus in-line memory module — A special module that has no memory chips and is used to fill unused RIMM slots.It often is a blinking solid line, anDisk striping can speed up operations that retrieve data from disk storage. Computers that use disk striping generally allow the user to select the data unit size or stripe width. DMA — direct memory access — A channel that allows certain types of data transfer between RAM and a device to bypass the processor.DMTF — Distributed Management Task Force — A consortium of hardware and software companies who develop management standards for distributedDRAM — dynamic random-access memory — Memory that stores information in integrated circuits containing capacitors.Many devices do not work properly if the correct driver is notDSL — Digital Subscriber Line — A technology that provides a constant, high-speed Internet connection through an analog telephone line.Also referred to as extended display mode. DVD — digital versatile disc — A disc usually used to store movies. DVDs are double-sided, whereas CDs are single-sided. DVD drives read most CD media asDVD drive — A drive that uses optical technology to read data from DVDs and CDs. DVD player — The software used to watch DVD movies. The DVD player displays a window with buttons that you use to watch a movie.DVI — digital video interface — A standard for digital transmission between a computer and a digital video display; the DVI adapter works through theECP — extended capabilities port — A parallel connector design that provides improved bidirectional data transmission. Similar to EPP, ECP uses direct memoryEIDE — enhanced integrated device electronics — An improved version of the IDE interface for hard drives and CD drives. EMI — electromagnetic interference — Electrical interference caused by electromagnetic radiation. EPP — enhanced parallel port — A parallel connector design that provides bidirectional data transmission. ESD — electrostatic discharge — A rapid discharge of static electricity. ESD can damage integrated circuits found in computer and communications equipment.Examples include video, modem, and sound cards.Use the Express Service Code when contacting Dell for assistance. Express Service Code service may not be available in some countries.Also referred to as dual display mode.Files in a folder can be viewed and ordered in various ways,When a drive or disk is formatted, the existing information on it is lost. FSB — front side bus — The data path and physical interface between the processor and RAM. FTP — file transfer protocol — A standard Internet protocol used to exchange files between computers connected to the Internet.GB — gigabyte — A measurement of data storage that equals 1024 MB (1,073,741,824 bytes). When used to refer to hard drive storage, the term is oftenGHz — gigahertz — A measurement of frequency that equals one thousand million Hz, or one thousand MHz. The speeds for computer processors, buses, andGraphics modes can display an unlimited variety ofGUI — graphical user interface — Software that interacts with the user by means of menus, windows, and icons. Most programs that operate on the WindowsThe terms hard drive and hard disk are often used interchangeably.Some help files are associated with a particular program, such as Help in. Microsoft Word. Other help files function as stand-alone reference sources. Help files typically have a filename extension of.hlp or.chm.When you restart the computer, the memory information that was saved to the hard drive is automatically restored. HTML — hypertext markup language — A set of codes inserted into an Internet web page intended for display on an Internet browser.Hz — hertz — A unit of frequency measurement that equals 1 cycle per second. Computers and electronic devices are often measured in kilohertz (kHz),States. IC — integrated circuit — A semiconductor wafer, or chip, on which thousands or millions of tiny electronic components are fabricated for use in computer,IDE — integrated device electronics — An interface for mass storage devices in which the controller is integrated into the hard drive or CD drive.Also referred to as built-in.IrDA — Infrared Data Association — The organization that creates international standards for infrared communications. IRQ — interrupt request — An electronic pathway assigned to a specific device so that the device can communicate with the processor. Each device connectionAlthough two devices can share the same IRQ assignment, you cannot operate both devices simultaneously. ISP — Internet service provider — A company that allows you to access its host server to connect directly to the Internet, send and receive e-mail, and accessA measurement of the capacity of memory integrated circuits. KB — kilobyte — A unit of data that equals 1024 bytes but is often referred to as 1000 bytes.A LAN usually is confined to a building or a few nearby buildings. A LAN can beLCD — liquid crystal display — The technology used by portable computer and flat-panel displays. LED — light-emitting diode — An electronic component that emits light to indicate the status of the computer.LPT — line print terminal — The designation for a parallel connection to a printer or other parallel device.Mbps — megabits per second — One million bits per second. This measurement is typically used for transmission speeds for networks and modems. MB — megabyte — A measurement of data storage that equals 1,048,576 bytes. 1 MB equals 1024 KB. When used to refer to hard drive storage, the term is This measurement is typically used for data transfer ratings.Because the data in memory is not permanent, it is recommended that you frequently saveYour computer can contain several different forms ofFrequently, the word memory is used as a synonym for RAM.Devices and software can then identifyMHz — megahertz — A measure of frequency that equals 1 million cycles per second. The speeds for computer processors, buses, and interfaces are oftenThree types of modems include: external, PC. Card, and internal. You typically use your modem to connect to the Internet and exchange e-mail.Typically you roll the mouse over a hard, flat surface to move the pointerAccess times of storage devices are often measured in ms.A computer may include a network adapter on its system board, or it may contain a PC Card withNIC — See network adapter.Also referred to as system tray.NVRAM — nonvolatile random access memory — A type of memory that stores data when the computer is turned off or loses its external power source. NVRAMEach partition can containModems and network adapters are common types of PC Cards. PCI — peripheral component interconnect — PCI is a local bus that supports 32-and 64-bit data paths, providing a high-speed data path between thePCMCIA — Personal Computer Memory Card International Association — The organization that establishes standards for PC Cards.Pixels are arranged in rows and columns to create an image. A video resolution, such as 800 x 600, is expressed asPlug-and-Play — The ability of the computer to automatically configure devices. Plug and Play provides automatic installation, configuration, and compatibilityPOST — power-on self-test — Diagnostics programs, loaded automatically by the BIOS, that perform basic tests on the major computer components, such asIf no problems are detected during POST, the computer continues the start-up.Sometimes the processor is referred to as the CPU (central processing unit).Programs require an operatingPXE — pre-boot execution environment — A WfM (Wired for Management) standard that allows networked computers that do not have an operating system toSome common implementations of RAID include RAID 0, RAID 1. RAID 5, RAID 10, and RAID 50. RAM — random-access memory — The primary temporary storage area for program instructions and data. Any information stored in RAM is lost when you shutTypically, readme files provide installation information and describe newA file can have read-only status if:The higher the resolution, the sharper the image. RFI — radio frequency interference — Interference that is generated at typical radio frequencies, in the range of 10 kHz to 100,000 MHz. Radio frequencies areROM — read-only memory — Memory that stores data and programs that cannot be deleted or written to by the computer. ROM, unlike RAM, retains itsSome programs essential to the operation of your computer reside in ROM. RPM — revolutions per minute — The number of rotations that occur per minute. Hard drive speed is often measured in rpm. RTC — real time clock — Battery-powered clock on the system board that keeps the date and time after you shut down the computer. RTCRST — real-time clock reset — A jumper on the system board of some computers that can often be used for troubleshooting problems.ScanDisk often runs when you restart the computer after it hasSDRAM — synchronous dynamic random-access memory — A type of DRAM that is synchronized with the optimal clock speed of the processor. Service Tag — A bar code label on your computer that identifies your computer when you access Dell Support at support.dell.com or when you call Dell forWhen you place a shortcut on your Windows desktopShortcut icons do not change the location of files. If youAlso, you can rename a shortcut icon.You can lose data if you turnSmart cards can be used to authenticate a user on computers equipped for smartSurge protectors do not protect against lightning strikes or against brownouts, which occur when the voltage drops more than 20 percent below the normal. AC-line voltage level.Always disconnect the network cable from the network connector during electrical storms. SVGA — super-video graphics array — A video standard for video cards and controllers. Typical SVGA resolutions are 800 x 600 and 1024 x 768. The number ofS-video TV-out — A connector used to attach a TV or digital audio device to the computer. SXGA — super-extended graphics array — A video standard for video cards and controllers that supports resolutions up to 1280 x 1024.Also known as the motherboard.System setup allows you to configure userselectable options in the BIOS, such as date and time or system password. Unless you understand what effect the settings have on the computer, do notText editors do not usuallyA UPS keeps aUPS systems typically provide surge suppression and may also provideUSB — universal serial bus — A hardware interface for a low-speed device such as a USB-compatible keyboard, mouse, joystick, scanner, set of speakers,Devices are plugged directly in to a 4-pin socket on your computerUSB devices can be connected and disconnected while the computer is turned on, and they can also beUTP — unshielded twisted pair — Describes a type of cable used in most telephone networks and some computer networks. Pairs of unshielded wires areUXGA — ultra extended graphics array — A video standard for video cards and controllers that supports resolutions up to 1600 x 1200.Video memory is usually faster than system memory. The amount ofGraphics-based software, such as Windows operating systems,Character-based software, such as text editors, displays inA virus program moves from one computer to anotherWhen an infected program starts, its embedded virus also starts.If the floppy disk is left in the drive when the computer is shutIf the computer isV — volt — The measurement of electric potential or electromotive force. One V appears across a resistance of 1 ohm when a current of 1 ampere flowsOne 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 66-WHr battery can supply 66 W ofChange your wallpaper through the Windows Control Panel. You can also scan inUse write-protection when you want to protect data from being changed or destroyed. To writeprotect a 3.5-inch floppy disk, slide its write-protect tab to the open position.Zip — A popular data compression format. Files that have been compressed with the Zip format are called Zip files and usually have a filename extensionZip drive — A high-capacity floppy drive developed by Iomega Corporation that uses 3.5-inch removable disks called Zip disks. Zip disks are slightly larger thanBack to Contents PageNOTE: Call technical support from a telephone near or at the computer so that technical support can assist you with any necessary procedures. NOTE: Dell's Express Service Code system may not be available in all countries.You can also access this service through the technical support service. For the telephone For the telephone number to call, see the contact numbers for yourOur technical support staff uses Have your invoice orFor the telephone number to call, see the contact numbers for your region.You are also responsible for insuring any product returned, and you assume the risk of loss during shipmentNOTE: Have your Express Service Code ready when you call. The code helps Dell's automated-support telephone system direct your call more efficiently.If possible, turn on your computer before you call Dell for technical assistance and call from a telephone at orEnsure that the computer documentation is available.If the computer is connected to a printer, print each file. Otherwise, record the contents of each file before calling Dell.Platinum, and Gold customers)NOTE: Toll-free numbers are for use within the country for which they are listed.If you need assistance inInternational Access Code. Country Code. City Code. Department Name or Service Area. Website and E-Mail Address. Area Codes. Local Numbers, and. Toll-Free NumbersOntario)GrenadinesCountriesMalaysia)See the following figure. For computers without the release lever, reach inside the computer and push the top tab toward you to release it.Back to Contents PageIf the DDR memory modules are not installed in matchedIf possible, do not pair an original memory module with a new memory module. Otherwise, your computer may not start properly.Strike the F1 key to continue, F2 to run the setup utilityVerify the new total. If it is correct, skip toRemove the computer cover and checkThen repeat steps 5 through 8.Back to Contents PageTo remove the power cables, use the cables as leverage and pullSignal namePin Number Signal Name 18-AWG WirePin Number Signal Name 18-AWG WirePin Number Signal Name 22-AWG WirePin Number Signal Name 18-AWG WirePin Number Signal namePin Number Signal Name 18-AWG WirePin Number Signal Name 22-AWG WireTo determine which classificationIf any one of the labels carries a Class A rating, your entire system is considered to be a Class A digital device. If all labels carryNote that FCC regulations provide that changes or modificationsOperation is subject to the following two conditions:These limits are designedThis equipment generates, uses,Operation of this equipment in a residential area is likely to cause harmful interference, in which case you will beThese limits are designedThis equipment generates, uses, and can radiate radio frequencyIf this equipment does cause harmful interference to radio or televisionDell Inc. One Dell Way. Round Rock, Texas 78682 USAOtherwise, damage to your computer orSetting. DescriptionSmall Desktop ComputerTo avoid burns, ensure that the heat sink has had sufficient time to cool before you touch it.To avoid burns, ensure that the processor has had sufficient time to cool before you touch it.To avoid burns, ensure that the heat sink has had sufficient time to cool before you touch it.To avoid burns, ensure that the processor has had sufficient time to cool before you touch it.Back to Contents PageAbout Your Small Desktop ComputerWait until this light turns off before youThe light might also be on when a deviceNOTE: Computers with an auto-sensing voltage circuit do not haveTurn off theCAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Product Information Guide.You can do so by touching an unpainted metal surface on the computer chassis.ISA cards are not supported.NOTE: To install full-height cards in your computer, use the optional PCI Riser Customer Kit.