Acer 4020 manual Power jack Connects to an AC adapter External display port

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Rear View

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Icon						Item	Description
						Power jack	Connects to an AC adapter.
						External display port	Connects to a display device (e.g., external




							monitor, LCD projector).
						Security keylock	Connects to a Kensington-compatible
							computer security lock.

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Chapter 1

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Contents Acer TravelMate 4020 Series Revision History Copyright DisclaimerConventions Screen MessagesPreface Page Features ChapterStorage Battery Mainboard Placement Top ViewRear View Description Block Diagram 5V / 3.3VOutlook View Open ViewDescription Front Panel Icon DescriptionLeft View Right View Power jack Connects to an AC adapter External display port Bottom View Indicators Easy-launch buttons Touchpad Touchpad BasicsLock Key Description Using the KeyboardLock keys and embedded numeric keypad Desired action Num Lock on Num Lock offHot Keys Key DescriptionSpecial Keys Hot Key Function DescriptionEuro symbol US dollar signUsing System Utilities Acer eManagerLaunch Manager System Board Major Chips Hardware Specifications and ConfigurationsProcessor Specification L2 CacheModem/Bluetooth Interface Specification System Memory SpecificationLAN Interface Specification USB Port SpecificationPcmcia Port Specification Keyboard SpecificationLCD 15.4 Wxga Specification Battery SpecificationPackage configuration Mechanical SpecificationsAC Adapter Specification SpecificationsMechanical Specification Input RequirementsDynamic Output Characteristics Output Ratings CV modeOutput Ratings CC mode Power Management Acpi ModeEnvironmental Requirements Dimensions and Weight DetailsLogical Configuration Data Storage PhysicalToshiba Ambient Temperature Nominal Power RequirementsPhysical & Environmental Specs Dimensions/Weight Reliability Characteristics Error RatesPreventive Maintenance Bios Setup Utility System UtilitiesInformation Parameter DescriptionUuid Advanced Security Boot Exit MainF12 Boot Menu Security Boot Exit AdvancedSecurity Parameter Description OptionCharacters 0-9,A-Z not case sensitive Set Supervisor/User PasswordDisabled EnterSetup Notice Changes have been saved Continue Boot ExitInfo Main Advanced Security Boot ExitChapter Machine Disassembly and Replacement General Information Before You BeginChapter Disassembly Procedure Flowchart Screw List DescriptionRemoving the Battery Pack Removing the Memory and the Wireless LAN Card Removing the HDD ModuleRemoving the Thermal Module and CPU Removing the ODD Module Removing the LCD Module Disassembling the Main Unit Disassembling the Upper Case Assembly Disassembling the Lower Case Assembly Chapter Disassembling the LCD Module Chapter Disassembling the External Modules Disassembling the Optical Drive ModuleChapter Troubleshooting External CD-ROM Drive Check System Check ProceduresExternal Diskette Drive Check Keyboard or Auxiliary Input Device CheckPower System Check Memory checkTouchpad Check Power-on Self-Test Error Messages Index of Error Messages Error Code ListError Message List CPU ID No beep Error Messages FRU/Action in Sequence Phoenix Bios Beep Codes Code Beeps Post Routine DescriptionCode Beeps Post Routine Description Chapter Code Beeps Post Routine Description Indicator-Related Symptoms Index of Symptom-to-FRU Error MessageLCD-Related Symptoms Power-Related SymptomsSpeaker-Related Symptoms PCMCIA-Related SymptomsMemory-Related Symptoms Power Management-Related SymptomsPeripheral-Related Symptoms Keyboard/Touchpad-Related SymptomsModem-Related Symptoms Intermittent Problems Undetermined Problems DimmChapter Jumper and Connector Locations Top ViewRear View VGA RAM RTC Jumper FRU Field Replaceable Unit List Exploded Diagram Illustration Part Name Description Acer P/N Touch PAD Board ZL1A Touch PAD Lower Case W ZL3A Base Assy W/O DVD/CDRW Combo ZI6 Combo SBW-242C DVD Dual Drive ZL6 DVD Rwdual ZL1A K/B EUGO-U/I LCD Cable 15 ZL1A 15 LCD Cabel LCD Module 15 ZL1 15 LCD SXGA+ LCD Module 15.4 ZL1A 15.4 LCD Wxga Samsung LTN154X3 Samsung Panel UMA W/PCMCIA Slot CPU Memory Memory DDR333 Name Plate ZL3A Name Plate S Screw M2.5*4L-BZN ET2S Screw 100 Chapter