Dell EC280 Owner'S Manual Download Page 35

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Solving Problems

No sound from headphones

Video and Monitor Problems

CAUTION:

Before you begin any of the procedures in this section, follow the safety instructions located in

"Safety, Environmental, and Ergonomic Instructions" on page 48.

NOTE:

See the monitor documentation for troubleshooting procedures.

ADJUST THE WINDOWS VOLUME CONTROL —

Click or double-click the speaker icon in the

lower-right corner of your screen. Ensure that the volume is turned up and that the sound is not muted.

DISCONNECT HEADPHONES FROM THE HEADPHONE CONNECTOR —

Sound from the

speakers is automatically disabled when headphones are connected to the computer’s front-panel

headphone connector.

TEST THE ELECTRICAL OUTLET —

Ensure that the electrical outlet is working by testing it with

another device, such as a lamp.

ELIMINATE POSSIBLE INTERFERENCE —

Turn off nearby fans, fluorescent lights, or halogen

lamps to check for interference.

CHECK THE HEADPHONE CABLE CONNECTION —

Ensure that the headphone cable is securely

inserted into the headphone connector (see "Front View of the Computer" on page 11).

ADJUST THE WINDOWS VOLUME CONTROL —

Click or double-click the speaker icon in the

lower-right corner of your screen. Ensure that the volume is turned up and that the sound is not muted.

ENSURE THAT THE CORRECT AUDIO SOLUTION IS ENABLED IN THE BIOS SETUP
PROGRAM —

See "System Setup" on page 54.

Summary of Contents for EC280

Page 1: ...w w w d e l l c o m s u p p o r t d e l l c o m Dell EC280 Owner s Manual Model EC280 ...

Page 2: ...All rights reserved Reproduction in any manner whatsoever without the written permission of Dell Inc is strictly forbidden Trademarks used in this text Dell and the DELL logo are trademarks of Dell Inc Intel Pentium and Celeron are registered trademarks of Intel Corporation Microsoft and Windows are registered trademarks of Microsoft Corporation Other trademarks and trade names may be used in this...

Page 3: ...Setting Up a Printer USB type 15 Printer Cable 15 Connecting a USB Printer 15 Connecting to the Internet 16 Setting Up Your Internet Connection 16 Playing CDs and DVDs 17 Adjusting the Volume 19 Adjusting the Picture 19 Setting Up a Home and Office Network 20 Connecting to a Network Adapter 20 Network Setup Wizard 20 Power Management 21 Standby Mode 21 Hibernate Mode 21 ...

Page 4: ... Keyboard Problems 28 Lockups and Software Problems 29 The computer does not start up 29 The computer stops responding 29 A program stops responding 29 A program crashes repeatedly 29 A program is designed for an earlier Windows operating system 30 A solid blue screen appears 30 Other software problems 30 Memory Problems 31 Mouse Problems 31 Network Problems 32 Power Problems 32 Printer Problems 3...

Page 5: ... Inside Your Computer 38 Removing the Computer Cover 38 Inside View of Your Computer 40 System Board Components 42 Memory 42 Removing Memory 43 Installing Memory 44 Battery 45 Replacing the Battery 45 Replacing the Computer Cover 47 4 Safety Environmental and Ergonomic Instructions 48 Safety Instructions 48 Power Safety 49 Battery Safety 50 Equipment Protection Instructions 50 ...

Page 6: ...Setup 54 System Setup Options 55 Boot Menu 58 Clearing Forgotten Passwords and CMOS Settings 59 Jumper Location 60 Clearing CMOS and Password Settings 60 Cleaning Your Computer 61 Computer Keyboard and Monitor 61 Mouse 61 CDs and DVDs 62 Contacting Dell 63 Glossary 64 Index 75 ...

Page 7: ...Drivers and Utilities CD may be optional and may not ship with your computer Readme files may be included on your CD to provide last minute updates about technical changes to your computer or advanced technical reference material for technicians or experienced users NOTE Drivers and documentation updates can be found at support dell com NOTE You may need to purchase Microsoft Windows separately Wa...

Page 8: ...Support Service call status support history service contract and online discussions with support Reference Computer documentation details on my computer configuration product specifications and white papers Downloads Certified drivers patches and software updates Dell Support Website support dell com NOTE Select your region or business segment to view the appropriate support site NOTE The support ...

Page 9: ...operating system use the Drivers and Utilities CD Resource CD to reinstall drivers for the devices that came with your computer Your operating system product key label is located on your computer NOTE The color of your CD varies based on the operating system you ordered NOTE You may need to purchase Microsoft Windows separately What Are You Looking For Find It Here ...

Page 10: ... vertically CAUTION To ensure adequate cooling do not block any of the vents Ensure that there is a minimum of 2 inches of space between all vents and any object near these vents Keep the vent area clean and dust free to ensure that the system is adequately ventilated Use only a dry cloth to clean the vent area to avoid water damage to the system ...

Page 11: ...crophone connector Use the microphone connector to attach a personal computer microphone for voice or musical input into a sound or telephony program 6 line out headphone connector Use the headphone connector to attach headphones and most kinds of speakers 7 USB 2 0 connectors 2 Use the front USB connectors for devices that you connect occasionally such as joysticks or cameras or for bootable USB ...

Page 12: ...tegrated amplifiers 3 line in connector Use the blue line in connector to attach a record playback device such as a cassette player CD player or VCR 4 link integrity light Green A good connection exists between a 10 Mbps network and the computer Orange A good connection exists between a 100 Mbps network and the computer Off The computer is not detecting a physical connection to the network 13 12 1...

Page 13: ...eliable operation 6 network activity light Flashes a yellow light when the computer is transmitting or receiving network data A high volume of network traffic may make this light appear to be in a steady on state 7 modem optional Connect to internet using a dial up connection 8 parallel port Connect compatible printers or scanners here 9 USB 2 0 connectors 2 rear quad Use the back rear quad USB co...

Page 14: ...ation screen appears 2 Click on VGA Driver and follow the instructions to complete installation 3 Click on Audio Driver and follow the instructions to complete installation 4 Click on LAN Driver and follow the instructions to complete installation 5 If you have a modem click on Modem Driver and follow the instructions to complete installation 6 Once all driver insallation is complete click on EXIT...

Page 15: ...nter connects to your computer with a USB cable Your printer may not come with a printer cable so if you purchase a cable separately ensure that it is compatible with your printer If you purchased a printer cable at the same time you purchased your computer the cable may arrive in the computer box Connecting a USB Printer NOTE You can connect USB devices while the computer is turned on 1 Complete ...

Page 16: ...ng a dial up connection connect a telephone line to the modem connector on your computer and to the telephone wall jack before you set up your Internet connection If you are using a DSL or cable modem connection contact your ISP for setup instructions Setting Up Your Internet Connection To set up an Internet connection with a provided ISP desktop shortcut 1 Save and close any open files and exit a...

Page 17: ... see E Mail Modem and Internet Problems on page 26 If you cannot connect to the Internet but have successfully connected in the past the ISP might have a service outage Contact your ISP to check the service status or try connecting again later Playing CDs and DVDs NOTICE Do not press down on the CD or DVD tray when you open or close it Keep the tray closed when you are not using the drive NOTICE D...

Page 18: ... following basic buttons For more information on playing CDs or DVDs click Help on the CD or DVD player if available Play Move backward within the current track Pause Move forward within the current track Stop Go to the previous track Eject Go to the next track Stop Restart the current chapter Play Fast forward Pause Fast reverse Advance a single frame while in pause mode Go to the next title or c...

Page 19: ...trol options click Help in the Volume Control window Adjusting the Picture If an error message notifies you that the current resolution and color depth are using too much memory and preventing DVD playback adjust the display properties 1 Click the Start button then click Control Panel 2 Under Pick a category click Appearance and Themes 3 Under Pick a task click Change the screen resolution 4 In th...

Page 20: ...Setup Wizard The Microsoft Windows XP operating system provides a Network Setup Wizard to guide you through the process of sharing files printers or an Internet connection between computers in a home or small office 1 Click the Start button point to All Programs Accessories Communications and then click Network Setup Wizard 2 On the welcome screen click Next 3 Click Checklist for creating a networ...

Page 21: ...rt button then click Control Panel 2 If Switch to Category View appears in the Control Panel in the left of the window click Switch to Category View 3 Under Pick a category click Performance and Maintenance 4 Under or pick a Control Panel icon click Power Options 5 Under the Power Schemes tab change the settings in the drop down boxes to those that you desire and then click OK To immediately activ...

Page 22: ...scheme If you want to select one of the standard Windows schemes installed on your computer choose a scheme from the Power schemes drop down menu The settings for each scheme appear in the fields below the scheme name Each scheme has different settings for starting standby or hibernate mode and for turning off the monitor and hard drive The Power schemes drop down menu displays the following schem...

Page 23: ...om standby mode or hibernate mode Program the power button to activate standby mode activate hibernate mode or turn off the computer To program these functions click an option from the corresponding drop down menu and then click OK Hibernate Tab The Hibernate tab allows you to enable hibernate mode If you want to use the hibernate settings you defined on the Power Schemes tab click the Enable hibe...

Page 24: ...it is incorrectly installed Replace the battery only with the same or equivalent type recommended by the manufacturer Discard used batteries according to the manufacturer s instructions CAUTION Before you begin any of the procedures in this section follow the safety instructions located in Safety Environmental and Ergonomic Instructions on page 48 Drive Problems CAUTION Before you begin any of the...

Page 25: ...times prevent Windows from recognizing the drive TEST THE DRIVE Insert another CD or DVD to eliminate the possibility that the original one is defective CLEAN THE DRIVE OR DISK See Cleaning Your Computer on page 61 CHECK THE CABLE CONNECTIONS ADJUST THE WINDOWS VOLUME CONTROL Click the speaker icon in the lower right corner of your screen Ensure that the volume is turned up by clicking the slideba...

Page 26: ...tart button and click Control Panel 2 Under Pick a Category click Performance and Maintenance 3 Under or pick a Control Panel icon click Power Options 4 From the Power Schemes tab select Always On RUN CHECK DISK 1 Click the Start button then click My Computer 2 Right click Local Disk C 3 Click Properties 4 Click the Tools tab 5 Under Error checking click Check Now 6 Click Scan for and attempt reco...

Page 27: ... ft or more in length try a shorter one RUN THE MODEM HELPER DIAGNOSTICS Click the Start button point to All Programs and then click Modem Helper Follow the instructions on the screen to identify and resolve modem problems Modem Helper is not available on all computers VERIFY THAT THE MODEM IS COMMUNICATING WITH WINDOWS 1 Click the Start button then click Control Panel 2 Click Printers and Other H...

Page 28: ...ert a bootable floppy disk or CD NOT ENOUGH MEMORY OR RESOURCES CLOSE SOME PROGRAMS AND TRY AGAIN Close all windows and open the program that you want to use In some cases you might have to restart your computer to restore computer resources If so run the program that you want to use first OPERATING SYSTEM NOT FOUND Contact Dell see Contacting Dell on page 63 CHECK THE KEYBOARD CABLE Ensure that t...

Page 29: ...re usually includes installation instructions in its documentation or on a CD ENSURE THAT THE POWER CABLE IS FIRMLY CONNECTED TO THE COMPUTER AND TO THE ELECTRICAL OUTLET TURN THE COMPUTER OFF If you are unable to get a response by pressing a key on your keyboard or moving your mouse press and hold the power button for at least 8 to 10 seconds until the computer turns off then restart your compute...

Page 30: ...s and hold the power button for at least 8 to 10 seconds until the computer turns off then restart your computer CHECK THE SOFTWARE DOCUMENTATION OR CONTACT THE SOFTWARE MANUFACTURER FOR TROUBLESHOOTING INFORMATION Ensure that the program is compatible with the operating system installed on your computer Ensure that your computer meets the minimum hardware requirements needed to run the software S...

Page 31: ...nsure that your computer is successfully communicating with the memory Ensure that you are following the memory installation guidelines Memory on page 42 Your computer supports SODIMM DDRI memory For more information about the type of memory supported by your computer see Memory on page 42 CLEAN THE MOUSE For instructions on cleaning the mouse see Mouse on page 61 CHECK THE MOUSE CABLE 1 Remove mo...

Page 32: ...e that the network cable is firmly inserted into both the network connector on the back of the computer and the network port or device CHECK THE NETWORK LIGHTS ON THE BACK OF THE COMPUTER If the link integrity light is off that indicates no network communication exists Replace the network cable For a description of network lights see Back View of the Computer on page 12 RESTART THE COMPUTER AND LO...

Page 33: ...with another device such as a lamp Ensure that the main power cable and front panel cable are securely connected to the system board see System Board Components on page 42 IF THE POWER LIGHT IS STEADY AMBER A device might be malfunctioning or incorrectly installed Remove and then reinstall the memory modules see Memory on page 42 IF THE POWER LIGHT IS BLINKING AMBER The computer is receiving elect...

Page 34: ... lamp VERIFY THAT THE PRINTER IS RECOGNIZED BY WINDOWS 1 Click the Start button click Control Panel and then click Printers and Other Hardware 2 Click View installed printers or fax printers If the printer is listed right click the printer icon 3 Click Properties then click the Ports tab For a USB printer ensure that the Print to the following port s setting is USB REINSTALL THE PRINTER DRIVER See...

Page 35: ...ly disabled when headphones are connected to the computer s front panel headphone connector TEST THE ELECTRICAL OUTLET Ensure that the electrical outlet is working by testing it with another device such as a lamp ELIMINATE POSSIBLE INTERFERENCE Turn off nearby fans fluorescent lights or halogen lamps to check for interference CHECK THE HEADPHONE CABLE CONNECTION Ensure that the headphone cable is ...

Page 36: ...lectrical outlet is working by testing it with another device such as a lamp CHECK THE MONITOR SETTINGS See the monitor documentation for instructions on adjusting the contrast and brightness demagnetizing degaussing the monitor and running the monitor self test MOVE THE SUBWOOFER AWAY FROM THE MONITOR If your speaker system includes a subwoofer ensure that the subwoofer is at least 60 cm 2 ft awa...

Page 37: ...ecommended Tools The procedures in this document may require the following tools Small flat blade screwdriver Phillips screwdriver Flash BIOS executable update program on support dell com Turning Off Your Computer NOTICE To avoid losing data save and close any open files and exit any open programs before you turn off your computer 1 Shut down the operating system a Save and close any open files ex...

Page 38: ...erform the following steps before you begin working inside the computer 1 Turn off your computer see Turning Off Your Computer on page 37 NOTICE To disconnect a network cable first unplug the cable from your computer and then unplug it from the network port or device 2 Disconnect any telephone or telecommunication lines from the computer 3 Disconnect your computer and all attached devices from the...

Page 39: ...ith the computer cover facing up NOTICE Be careful when opening the computer cover to ensure that you do not accidentally disconnect cables from the system board 3 Remove the two screws from the back of the computer as shown in the following image 4 Slide the cover back about 10mm 2 5 then lift it off vertically 5 Set the cover aside on a soft nonabrasive surface 1 cover screws 1 ...

Page 40: ...ctrical outlet before removing the computer cover NOTICE Be careful when opening the computer cover to ensure that you do not accidentally disconnect cables from the system board Remove the hard drive bay 1 Remove hard drive release screws 2 2 Slide drive bay hard drive back about 10mm 2 5 3 Carefully lift hard drive out NOTICE Be careful not to pull too hard which might cause damage to cables 4 d...

Page 41: ...Removing and Installing Parts 41 After removing the hard drive you will have access to the memory module and the battery as shown in the following image 2 1 1 battery 2 memory module ...

Page 42: ...ase your computer memory by replacing this with a larger memory module You must remove the old memory module before replacing with new memory Your computer supports SODIMM DDRI memory For additional information on the type of memory supported by your computer see Specifications on page 52 1 2 3 1 battery 2 memory module 3 reset CMOS jumper J16 ...

Page 43: ...d in Safety Environmental and Ergonomic Instructions on page 48 NOTICE 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 You can do so by touching an unpainted metal surface on the computer chassis 1 Follow the procedures in Before You Begin on page 37 2 Carefully bend out the securi...

Page 44: ...ons on page 48 NOTICE 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 You can do so by touching an unpainted metal surface on the computer chassis 1 Follow the procedures in Before You Begin on page 37 2 Carefully bend out the securing clip at each end of the memory module connecto...

Page 45: ...nnect a network cable first plug the cable into the network port or device and then plug it into the computer 6 Connect your computer and devices to electrical outlets and then turn them on 7 When a message appears stating that memory size has changed press F1 to continue 8 Log on to your computer 9 Right click the My Computer icon then click Properties 10 Click the General tab 11 To verify that t...

Page 46: ...e System Board Components on page 42 NOTICE If you pry the battery out of its socket with a blunt object be careful not to touch the system board with the object Ensure that the object is inserted between the battery and the socket before you attempt to pry out the battery Otherwise you may damage the system board by prying off the socket or by breaking circuit traces on the system board 4 Remove ...

Page 47: ...arts are left inside the computer 3 To replace the cover a Place the cover on the computer with a gap of about 10mm 2 5 at the front b Push the cover forward until it is flat against the front bezel c Replace the two cover screws at the back of the computer d Ensure that the cover is seated correctly before moving the computer NOTICE To connect a network cable first plug the cable into the network...

Page 48: ...all cables have been disconnected and the computer is operating on battery power If your device includes an integrated or optional PC Card modem disconnect the modem cable if an electrical storm is approaching to avoid the remote risk of electric shock from lightning via the telephone line Do not push any objects into air vents or openings of your device Doing so can cause fire or electric shock b...

Page 49: ...se an extension power cable with your AC adapter ensure that the total ampere rating of the products plugged in to the extension power cable does not exceed the ampere rating of the extension cable Use only the Dell provided AC adapter approved for use with this device Use of another AC adapter may cause a fire or explosion If you are using a multiple outlet power strip use caution when plugging t...

Page 50: ...See Battery Disposal in this document Equipment Protection Instructions Observe the following safe handling guidelines to prevent damage to your equipment NOTICE When taking the computer from low temperature conditions into a warmer environment or from high temperature conditions into a cooler environment allow the computer to acclimate to room temperature and for any condensation that may have fo...

Page 51: ...he display quickly and keep the display dry Long term exposure to moisture can damage the display Do not use a commercial window cleaner to clean your display CAUTION When preparing your AC adapter for travel wrap both of the cords around the adapter in the same direction Failure to wrap the cords in the correct direction can result in damage to the cords not covered by the adapter warranty Never ...

Page 52: ... Socket x1 Memory modules supported 256 MB 512 MB or 1 GB non ECC Minimum memory 256 MB Maximum memory 1 GB Computer Information Chipset SisM661GX DMA channels six BIOS chip LPC Flash 4 Mb NIC integrated network interface Capable of 10 100 communication Video Type SiS integrated video DirectX 7 0 Graphics Audio Type Realtek Alc655 CODEC ...

Page 53: ...ck panel USB 2 0 compliant connectors Audio three connectors for line in and line out and microphone two front panel connectors for headphones and microphone System board connectors PATA 40 pin connector MDC Fan 3 pin connector Internal USB 10 pin connector supports two USB ports Memory modules 200 pin connector for DDR I Power 12V 5V 4 pin connector for HDD DVD drive power Power 24 pin connector ...

Page 54: ...ter user do not change the settings for this program Certain changes can make your computer work incorrectly Entering System Setup 1 Turn on or restart your computer 2 When Enter Boot Menu is displayed press Del to enter or F1 to enter from reinstall or F2 to continue Link light solid yellow light indicates network connection Link integrity light orange off 10 Mb operation orange light 100 Mb oper...

Page 55: ...m setup window The field is a scrollable list containing features that define the configuration of your computer including installed hardware power conservation and security features Scroll up and down the list by using the up and down arrow keys As an option is highlighted the Option Field displays more information about that option and the option s current and available settings Option Field Thi...

Page 56: ...system startup Onboard Devices Integrated NIC On default Enables or disables the integrated NIC controller Settings are Off or On w PXE When the On w PXE setting is active if a boot routine is not available from the network server the computer attempts to boot from the next device in the boot sequence list Video Graphic Memory Size 32 MB default This setting configures the amount of system memory ...

Page 57: ...Off disables this feature Everyday turns the computer on every day at the time set in Auto Power Time Weekdays turns the computer on every day from Monday through Friday at the time set in Auto Power Time NOTE This feature does not work if you turn off your computer using the switch on a power strip or surge protector Auto Power Time Sets time to automatically turn on the computer Time is kept in ...

Page 58: ...heck the device documentation Changing Boot Sequence for the Current Boot You can use this feature for example to restart your computer to a USB CD RW drive NOTE If you are booting to a USB floppy drive you must first set Diskette Interface to Disabled in system setup see System Setup on page 54 1 If you are booting to a USB device connect the USB device to a USB connector see Front View of the Co...

Page 59: ...tem group see System Setup Options on page 55 2 Press Enter to access the menu NOTE Write down your current boot sequence in case you want to restore it 3 Press the up and down arrow keys to highlight the appropriate Boot Sequence option 4 Press the or keys to move the option up or down in the boot sequence 5 Press F10 to Save the changes or Esc to Cancel Clearing Forgotten Passwords and CMOS Sett...

Page 60: ... pin CMOS jumper J16 on the system board see Jumper Location on page 60 b Remove the jumper plug from the Normal position c Place the jumper plug in the Reset CMOS position and wait approximately five seconds d Replace the jumper plug in the Normal position 3 Replace the computer cover see Replacing the Computer Cover on page 47 NOTICE To connect a network cable first plug the cable into the netwo...

Page 61: ...ution of three parts water and one part dishwashing detergent Do not soak the cloth or let water drip inside your computer or keyboard Mouse NOTICE Disconnect the mouse from the computer before cleaning the mouse If your screen cursor skips or moves abnormally clean the mouse Cleaning a Non Optical Mouse 1 Clean the outside casing of the mouse with a cloth moistened with a mild cleaning solution 2...

Page 62: ...ou can also touch the inside edge of the center hole NOTICE To avoid damaging the surface do not wipe in a circular motion around the disc 2 With a soft lint free cloth gently wipe the bottom of the disc the unlabeled side in a straight line from the center to the outer edge of the disc For stubborn dirt try using water or a diluted solution of water and mild soap You can also purchase commercial ...

Page 63: ...al operator Country City International Access Code Country Code City Code Department Name or Service Area Website and E Mail Address Area Codes Local Numbers and Toll Free Numbers China Xiamen Country Code 86 City Code 592 Technical support website http support dell com cn Technical support BBS http bbs dell com cn Email support http support dell com cn email Technical Support Hotline Customer Car...

Page 64: ...ftware alerts to a management console ASF is designed to be platform and operating system independent B battery life span The length of time years during which a portable computer battery is able to be depleted and recharged battery operating time The length of time minutes or hours that a portable computer battery powers the computer BIOS basic input output system A program or utility that serves...

Page 65: ...cs multiple times but you can write to CD R discs only once CD RW DVD drive A drive sometimes referred to as a combo drive that can read CDs and DVDs and write to CD RW rewritable CDs and CD R recordable CDs discs You can write to CD RW discs multiple times but you can write to CD R discs only once clock speed The speed given in MHz that indicates how fast computer components that are connected to...

Page 66: ...L Digital Subscriber Line A technology that provides a constant high speed Internet connection through an analog telephone line dual display mode A display setting that allows you to use a second monitor as an extension of your display Also referred to as extended display mode DVD R DVD recordable A recordable version of a DVD Data can be recorded only once onto a DVD R Once recorded the data cann...

Page 67: ...sCards support both the PCI Express and USB 2 0 standard Express Service Code A numeric code located on a sticker on your Dell computer Use the Express Service Code when contacting Dell for assistance Express Service Code service may not be available in some countries extended display mode A display setting that allows you to use a second monitor as an extension of your display Also referred to as...

Page 68: ... computer infrared sensor A port that allows you to transfer data between the computer and infrared compatible devices without using a cable connection integrated Usually refers to components that are physically located on the computer s system board Also referred to as built in I O input output An operation or device that enters and extracts data from your computer Keyboards and printers are I O ...

Page 69: ...y data storage area inside your computer Because the data in memory is not permanent it is recommended that you frequently save your files while you are working on them and always save your files before you shut down the computer Your computer can contain several different forms of memory such as RAM ROM and video memory Frequently the word memory is used as a synonym for RAM memory address A spec...

Page 70: ... storage areas known as logical drives Each partition can contain multiple logical drives PC Card A removable I O card adhering to the PCMCIA standard Modems 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 the processor and devices such as video drives and netw...

Page 71: ...igned rights only to specific individuals refresh rate The frequency measured in Hz at which your screen s horizontal lines are recharged sometimes also referred to as its vertical frequency The higher the refresh rate the less video flicker can be seen by the human eye resolution The sharpness and clarity of an image produced by a printer or displayed on a monitor The higher the resolution the sh...

Page 72: ...chip Smart cards can be used to authenticate a user on computers equipped for smart cards S PDIF Sony Philips Digital Interface An audio transfer file format that allows the transfer of audio from one file to another without converting it to and from an analog format which could degrade the quality of the file standby mode A power management mode that shuts down all unnecessary computer operations...

Page 73: ...amically allocated to video UPS uninterruptible power supply A backup power source used when the electrical power fails or drops to an unacceptable voltage level A UPS keeps a computer running for a limited amount of time when there is no electrical power UPS systems typically provide surge suppression and may also provide voltage regulation Small UPS systems provide battery power for a few minute...

Page 74: ...ktop Change your wallpaper through the Windows Control Panel You can also scan in your favorite picture and make it wallpaper WLAN wireless local area network A series of interconnected computers that communicate with each other over the air waves using access points or wireless routers to provide Internet access write protected Files or media that cannot be changed Use write protection when you w...

Page 75: ... 0 11 13 VGA video 13 cover removing 38 replacing 47 D Dell documentation End User License Agreement 7 ergonomics 7 online 8 regulatory 7 safety 7 warranty 7 support website 8 Drivers and Utilities CD 7 drives problems 24 E e mail problems 26 End User License Agreement 7 ergonomics information 7 error messages troubleshooting 27 H hard drive problems 26 headphone connector 11 12 Help and Support C...

Page 76: ...2 schemes 22 standby mode 21 problems 32 standby mode 21 power light 11 printer cable 15 connecting 15 problems 33 setting up 15 USB 15 problems adjust volume 35 battery 24 blue screen 30 CD DVD drive 25 computer crashes 29 computer stops responding 29 drives 24 email 26 error messages 27 general 29 hard drive 26 Internet 26 keyboard 28 memory 31 monitor 35 mouse 31 network 32 power 32 printer 33 ...

Page 77: ...g Help and Support Center 8 tips 24 U USB booting to devices 59 connectors 11 13 V VGA connector 13 video connector 13 volume adjusting 35 W warranty information 7 Windows XP Help and Support Center 8 Network Setup Wizard 20 Program Compatibility Wizard 30 reinstalling 9 wizards Network Setup Wizard 20 Program Compatibility Wizard 30 ...

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