Manuals / Gateway / Computer Equipment / Personal Computer

Gateway EC14 manual Troubleshooting, Common Problems, Chapter, Symptoms Verified, Go To

Models: EC14

1 174

Download 174 pages 35.6 Kb

Page 131

Image 131

Chapter 4

Troubleshooting

Common Problems

Use the following procedure as a guide for computer problems.

NOTE: The diagnostic tests are intended to test only Acer products. Non-Acer products, prototype cards, or modified options can give false errors and invalid system responses.

1.Obtain the failing symptoms in as much detail as possible.

2.Verify the symptoms by attempting to re-create the failure by running the diagnostic test or by repeating the same operation.

3.Use the following table with the verified symptom to determine which page to go to.

Symptoms (Verified)	Go To

Power On Issue	Page 122
No Display Issue	Page 123

LCD Failure	Page 125

Internal Keyboard Failure	Page 126

TouchPad Failure	Page 127

Internal Speaker Failure	Page 128

Internal Microphone Failure	Page 129

USB Failure	Page 131

Other Function Failure	Page 131

4.If the Issue is still not resolved, see “Online Support Information” on page 165.

Chapter 4

121

Page 131

Image 131

Gateway EC14 manual Troubleshooting, Common Problems, Chapter, Symptoms Verified, Go To

Contents

PRINTED IN TAIWAN Gateway EC18/EC14 Service GuideRevision History Disclaimer CopyrightSCREEN MESSAGES ConventionsPreface Page System Utilities Table of ContentsSystem Specifications Machine Disassembly and ReplacementTroubleshooting Table of ContentsJumper and Connector Locations Table of ContentsTable of Contents Operating System System SpecificationsFeatures ChapterInput devices Dimensions and WeightPower subsystem Privacy controlChapter Non-operating 20% to 80%I C H 9-M SF F System Block DiagramC PU SOUTH BRIDGETop View Your Notebook TourLCD View Icon Closed Front ViewIcon DescriptionHeadphone Microphone USB port Left ViewRight View Headphonesslots and Base ViewRear View Description IndicatorsIcon FunctionRight Button TouchPad BasicsFunction Left ButtonLock Keys and embedded numeric keypad Using the KeyboardWindows Keys Function Hot KeysHotkey IconThe US dollar sign The Euro symbolSpecial Keys Hardware Specifications and Configurations Specification North Bridge SpecificationsSpecification South Bridge SpecificationsHard Disk Drive Interface SpecificationSpecifications Specifications363 ~ 952 typical SpecificationsSpecifications SpecificationsSpecifications SpecificationsBIOS SpecificationSpecification SpecificationsBluetooth SpecificationSpecifications SpecificationSpecification SpecificationIntel MM#903341 6 Cell SpecificationChapter Chapter BIOS Setup UtilityNavigating the BIOS Utility System UtilitiesF5/F6 InformationBoot SecurityExit MainBoot SecurityInformation Setting a PasswordSecurity BootRemoving a Password Set Supervisor PasswordConfirm New Password Enter New PasswordEnter New Password Setup Notice Changes have been savedChanging a Password Set Supervisor PasswordMain BootBoot InformationExit ExitInformation SecurityRestore a BIOS when it becomes corrupted BIOS Flash UtilityThe BIOS flash memory update is required for the following conditions New versions of system programs New features or optionsDOS Flash Utility 1. Double click the WinFlash executable WinFlash Utility2. Click OK to begin the update. A progress screen displays Perform the following steps to use the WinFlash Utility8. Select Enter Unlock Password and press Enter Remove HDD/BIOS Password UtilitiesRemove HDD Password 1. From a DOS prompt, Execute clnpwd.exe Removing BIOS PasswordsTo reset the BIOS password, run clnpwd.exe as follows 2. Press 1 or 2 to clean the desired password shown on the screenMiscellaneous Utilities Using Boot Sequence SelectorUsing DMITools Example 3 Write Serial Number to EEPROM Using the LAN MAC UtilityExample 1 Read DMI Information from Memory Example 2 Write Product Name to EEPROMChapter Related Information Machine Disassembly and ReplacementDisassembly Requirements Replacement Requirements3. Place the system on a flat, stable surface Pre-disassembly Instructions1. Turn off the power to the system and all peripherals Quantity Disassembly ProcessMain Screw List ScrewDisconnect power and signal cables from system External Module Disassembly ProcessExternal Modules Disassembly Flowchart Turn off system and peripherals powerChapter Removing the Battery Pack2. Slide the battery lock/unlock latch to the unlock position 1. Turn the computer over2. Pull the dummy card out Removing the Dummy Card1. Press the dummy card in to allow it to spring out Removing the Hard Disk Drive Module Chapter 6. Unlock the HDD FPC and pull the FPC away3. Lift the memory cover away Removing the DIMM Module1. See “Removing the Battery Pack” on page 2. Loosen the four captive screws in the memory coverChapter 5. Pull the memory module out2. Loosen the four captive screws in the memory cover Removing the WLAN Module1. See “Removing the Battery Pack” on page 4. Detach the two cables from the Wireless LAN moduleScrew DisassemblyScrew List StepMain Unit Disassembly Flowchart Main Unit Disassembly ProcessQuantity Screw ListStep ScrewRemoving the Keyboard b. Pull the keyboard away 7. Flip the keyboard over. a. Unlock the FCC3 blue call out Removing the Upper CoverSize DisassemblyScrew List Step3. Unlock and detach the touch-pad to touch-pad FCC Removing the Button Board1. See “Removing the Upper Cover” on page 2. Unlock and remove the touch-pad to mainboard FCCQuantity Screw ListStep SizeChapter 8. Lift up and pull the button board to main board FCC free2. Pull the WLAN cables through and away from the computer Removing the LCD Module3. Lift the transparent adhesive tape off the LCD connector 1. See “Removing the Upper Cover” on pageScrew List 4. Push out the LCD connectorDisassembly 5. Remove the two screws of the LCD module hingesScrew Removing the LED BoardScrew List StepChapter 4. Lift off the LCD Board5. Unlock and remove the LED board FCC from the mainboard 4. Detach the Bluetooth module cable from the module Removing the Bluetooth Module2. Detach the Bluetooth module cable from the mainboard 3. LIft the Bluetooth module away from the computer3. Unlock and remove the I/O board FCC from the I/O board Removing the I/O Board1. See “Removing the Upper Cover” on page 2. Unlock and remove the I/O board FCC from the main boardI/O Board Disassembly Screw Removing the MainboardScrew List StepChapter NOTE The hand in the photograph holding on to the CRT board3. Disconnect the CRT cable from the main board Removing the CRT Board1. See “Removing the Mainboard” on page 2. Disconnect the CRT cable from the CRT board3. Remove the five captive screws of the thermal module Removing the Thermal Module1. See “Removing the Mainboard” on page 2. See “Removing the CRT Board” on page1. See “Removing the Mainboard” on page Removing the RTC Battery2. Pry the RTC battery out of the holding clips IMPORTANTObserve local regulations in the disposal of all batteries2. Remove the tape from the speaker cable 3. Lift the modules away Removing the Speaker Modules1. See “Removing the Mainboard” on page LCD Module Disassembly Flowchart LCD Module Disassembly Process3. Roll the bezel up and away from the hinges Removing the LCD Bezel1. See “Removing the LCD Module” on page Chapter Removing the Camera Board2. Disconnect the camera connector 3. Pull up the camera board 1. See “Removing the LCD Bezel” on pageScrew Removing the LCD PanelScrew List StepChapter 4. Lift the LCD panel out lifting the bottom of the panel firstScrew Removing the LCD BracketsScrew List StepChapter Removing the FPC Cable3. Lift up the protective plastic tab 4. Disconnect the LCD connector 1. See “Removing the LCD Panel” on page4. Pull up the two adhesive foil tabs from the cables Removing the Antennas1. See “Removing the LCD Panel” on page 2. Lift up the right antenna pull the cable away from the LCD moduleChapter 5. Remove the antennas completelyReplacing the Antennas LCD Reassembly ProcedureChapter 3. Stick the two antennas down pressing firmlyReplacing the FPC Cable Screw Replacing the LCD BracketsScrew List StepReplacing the LCD Panel Chapter 3. Apply adhesive and stick the microphone down2. Connect the cable to the Camera Board Replacing the Camera Board1. Apply adhesive and lay the Camera Board board down pressing firmly Chapter Replacing the LCD Bezel1. Place the bezel hinge covers over the hinges 2. Ensure the cables are correctly exiting the hingesChapter Replacing the Speaker Modules Main Unit Reassembly Process1. Place the RTC battery into the holding clips on the main board Replacing the RTC Battery3. The tighten the other two captive screws Replacing the Thermal Module1. Connect the thermal module connector to the main board IMPORTANT Incorrect order of screw replacement could harm the CPU2. Connect the CRT board cable to the CRT board Replacing the CRT Board1. Connect the CRT board cable to the main board Step Replacing the Main BoardMain Board Assembly Screw ListChapter 3. Connect the speaker connectorStep Replacing the I/O CardI/O Card Assembly Screw ListChapter 3. Connect and lock the I/O card FCC to the I/O board4. Connect and lock the I/O card FCC to the main board Chapter Replacing the Bluetooth Module1. Connect the Bluetooth module cable to the Bluetooth module 3. Connect the Bluetooth module cable to the main board3. Replace the one screw Replacing the LED Board1. Connect and lock the LED board FCC to the mainboard Screw LED Board AssemblyScrew List Step2. Replace the two screws Replacing the LCD Module1. Place the LCD module hinges into position on the lower case Chapter 3. Reconnect the LCD module connectorChapter 5. Relay the WLAN cables around and through the lower caseChapter Replacing the Button Board3. Connect the touch pad FCC to the touch pad Screw AssemblyScrew List StepChapter 6. Lay the button board FCC down carefully on the upper cover7. Connect the button board FCC to the button board 2. Replace the nine screws Replacing the Upper CoverScrew List 1. Connect the FCC to the mainboard Replacing the KeyboardStep Replacing the Wireless LAN ModuleWLAN Assembly Screw ListChapter Chapter Replacing the DIMM Module2. Place the DIMM module door down edge first 3. Tighten the four captive screws3. Connect the HDD FPC to the main board Replacing the Hard Disk Drive1. Connect the HDD FPC to the HDD 2. Lift up the clear plastic tab and place the HDD into its bayChapter 4. Place the HDD cover in from one edge5. Tighten the four captive screws 1. Slide the battery into position 2. Close the locking latch Replacing the BatteryChapter Replace the Dummy CardPush the dummy card into the slot until it clicks into place Chapter Chapter TroubleshootingCommon Problems Symptoms VerifiedComputer Shuts down Intermittently Power On IssueNo POST or Video No Display IssueAbnormal Video Display Random Loss of BIOS SettingsReassemble LCD FailureStart Check LCD module? OK Check MB LCD connector and cable ? SwapBuilt-In Keyboard Failure Swap/Reassemble TouchPad FailureStart Check M/B T/P FFC OK Check TouchPad Re-assemble theInternal Speaker Failure Sound ProblemsInternal Microphone Failure Microphone Problemsg. Select Startup Repair HDD Not Operating Correctlyd. Select Repair your computer USB cable USB Failure Right up/down sideOther Failures USB/B cable to M/BUndetermined Problems Intermittent ProblemsCode POST Code Reference TablesPOST Routine Description Code POST Routine DescriptionCode POST Routine DescriptionAsfInit Chapter Jumper and Connector LocationsMainboard Top View BOTTOM SIDE Mainboard Bottom ViewMainboard CMOS Discharge Clearing Password Check and BIOS RecoverySteps for BIOS Recovery from USB Storage BIOS Recovery by Crisis DiskBIOS Recovery Boot Block BIOS Recovery HotkeyChapter Gateway EC18/EC14 Exploded DiagramsFRU Field Replaceable Unit List Part Number Main AssemblyDescription Chapter DescriptionPart Number Part Number LCD AssemblyDescription ACER P/N FRU ListCATEGORY PARTNAMEACER P/N CATEGORYPARTNAME ACER P/N CATEGORYPARTNAME ACER P/N CATEGORYPARTNAME ACER P/N CATEGORYPARTNAME ACER P/N Screw ListCATEGORY PARTNAMEAppendix A Model Definition and ConfigurationModel Model Model Wireless LANWireless LAN1 BatteryAppendix B Test Compatible ComponentsCamera BRANDType DescriptionBRAND Type WiFi AntennaWireless LAN BRANDAppendix C Online Support InformationPage Page Page Page Windows 2000 Environment Test 155 WLAN Board Undetermined Problems Upper Covervolume USB Failure Rightside 131 utility

Troubleshooting

Common Problems

Symptoms (Verified)

Go To