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Gateway EC14 manual Power On Issue, Computer Shuts down Intermittently

Models: EC14

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Power On Issue

Power On Issue

If the system doesn’t power on, perform the following actions one at a time to correct the problem. Do not replace non-defective FRUs:

Start

Check

AC/Battery

Power on

OK

Check

Daughter/B &

FFC Whether

OK

Swap M/B

OK

		Swap AC /Battery
NG		to try

OK

		Swap Daughter/B
NG		Swap Daughter/B
NG		Re-plug PWR FFC
		Re-plug PWR FFC

Computer Shuts down Intermittently

If the system powers off at intervals, perform the following actions one at a time to correct the problem.

1.Check the power cable is properly connected to the computer and the electrical outlet.

2.Remove any extension cables between the computer and the outlet.

3.Remove any surge protectors between the computer and the electrical outlet. Plug the computer directly into a known good electrical outlet.

4.Remove all external and non-essential hardware connected to the computer that are not necessary to boot the computer to the failure point.

5.Remove any recently installed software.

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

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Chapter 4

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Gateway EC14 manual Power On Issue, Computer Shuts down Intermittently

Contents

Gateway EC18/EC14 Service Guide PRINTED IN TAIWANRevision History Copyright DisclaimerConventions SCREEN MESSAGESPreface Page Table of Contents System SpecificationsMachine Disassembly and Replacement System UtilitiesTable of Contents TroubleshootingTable of Contents Jumper and Connector LocationsTable of Contents System Specifications FeaturesChapter Operating SystemDimensions and Weight Power subsystemPrivacy control Input devicesNon-operating 20% to 80% ChapterSystem Block Diagram C PUSOUTH BRIDGE I C H 9-M SF FYour Notebook Tour LCD ViewTop View Closed Front View IconDescription IconLeft View Right ViewHeadphones Headphone Microphone USB portBase View Rear Viewslots and Indicators IconFunction DescriptionTouchPad Basics FunctionLeft Button Right ButtonUsing the Keyboard Lock Keys and embedded numeric keypadWindows Keys Hot Keys HotkeyIcon FunctionThe Euro symbol Special KeysThe US dollar sign Hardware Specifications and Configurations North Bridge Specifications SpecificationSouth Bridge Specifications SpecificationSpecification SpecificationsSpecifications Hard Disk Drive InterfaceSpecifications SpecificationsSpecifications 363 ~ 952 typicalSpecifications BIOSSpecification SpecificationsSpecifications BluetoothSpecification SpecificationSpecification SpecificationSpecification SpecificationsIntel MM#903341 Specification 6 CellChapter BIOS Setup Utility Navigating the BIOS UtilitySystem Utilities ChapterInformation BootSecurity F5/F6Main BootSecurity ExitSetting a Password SecurityBoot InformationSet Supervisor Password Confirm New PasswordEnter New Password Removing a PasswordSetup Notice Changes have been saved Changing a PasswordSet Supervisor Password Enter New PasswordBoot BootInformation MainExit InformationSecurity ExitBIOS Flash Utility The BIOS flash memory update is required for the following conditionsNew versions of system programs New features or options Restore a BIOS when it becomes corruptedDOS Flash Utility WinFlash Utility 2. Click OK to begin the update. A progress screen displaysPerform the following steps to use the WinFlash Utility 1. Double click the WinFlash executableRemove HDD/BIOS Password Utilities Remove HDD Password8. Select Enter Unlock Password and press Enter Removing BIOS Passwords To reset the BIOS password, run clnpwd.exe as follows2. Press 1 or 2 to clean the desired password shown on the screen 1. From a DOS prompt, Execute clnpwd.exeUsing Boot Sequence Selector Using DMIToolsMiscellaneous Utilities Using the LAN MAC Utility Example 1 Read DMI Information from MemoryExample 2 Write Product Name to EEPROM Example 3 Write Serial Number to EEPROMChapter Machine Disassembly and Replacement Disassembly RequirementsReplacement Requirements Related InformationPre-disassembly Instructions 1. Turn off the power to the system and all peripherals3. Place the system on a flat, stable surface Disassembly Process Main Screw ListScrew QuantityExternal Module Disassembly Process External Modules Disassembly FlowchartTurn off system and peripherals power Disconnect power and signal cables from systemRemoving the Battery Pack 2. Slide the battery lock/unlock latch to the unlock position1. Turn the computer over ChapterRemoving the Dummy Card 1. Press the dummy card in to allow it to spring out2. Pull the dummy card out Removing the Hard Disk Drive Module 6. Unlock the HDD FPC and pull the FPC away ChapterRemoving the DIMM Module 1. See “Removing the Battery Pack” on page2. Loosen the four captive screws in the memory cover 3. Lift the memory cover away5. Pull the memory module out ChapterRemoving the WLAN Module 1. See “Removing the Battery Pack” on page4. Detach the two cables from the Wireless LAN module 2. Loosen the four captive screws in the memory coverDisassembly Screw ListStep ScrewMain Unit Disassembly Process Main Unit Disassembly FlowchartScrew List StepScrew QuantityRemoving the Keyboard 7. Flip the keyboard over. a. Unlock the FCC b. Pull the keyboard awayRemoving the Upper Cover 3 blue call outDisassembly Screw ListStep SizeRemoving the Button Board 1. See “Removing the Upper Cover” on page2. Unlock and remove the touch-pad to mainboard FCC 3. Unlock and detach the touch-pad to touch-pad FCCScrew List StepSize Quantity8. Lift up and pull the button board to main board FCC free ChapterRemoving the LCD Module 3. Lift the transparent adhesive tape off the LCD connector1. See “Removing the Upper Cover” on page 2. Pull the WLAN cables through and away from the computer4. Push out the LCD connector Disassembly5. Remove the two screws of the LCD module hinges Screw ListRemoving the LED Board Screw ListStep Screw4. Lift off the LCD Board 5. Unlock and remove the LED board FCC from the mainboardChapter Removing the Bluetooth Module 2. Detach the Bluetooth module cable from the mainboard3. LIft the Bluetooth module away from the computer 4. Detach the Bluetooth module cable from the moduleRemoving the I/O Board 1. See “Removing the Upper Cover” on page2. Unlock and remove the I/O board FCC from the main board 3. Unlock and remove the I/O board FCC from the I/O boardI/O Board Disassembly Removing the Mainboard Screw ListStep ScrewNOTE The hand in the photograph holding on to the CRT board ChapterRemoving the CRT Board 1. See “Removing the Mainboard” on page2. Disconnect the CRT cable from the CRT board 3. Disconnect the CRT cable from the main boardRemoving the Thermal Module 1. See “Removing the Mainboard” on page2. See “Removing the CRT Board” on page 3. Remove the five captive screws of the thermal moduleRemoving the RTC Battery 2. Pry the RTC battery out of the holding clipsIMPORTANTObserve local regulations in the disposal of all batteries 1. See “Removing the Mainboard” on pageRemoving the Speaker Modules 1. See “Removing the Mainboard” on page2. Remove the tape from the speaker cable 3. Lift the modules away LCD Module Disassembly Process LCD Module Disassembly FlowchartRemoving the LCD Bezel 1. See “Removing the LCD Module” on page3. Roll the bezel up and away from the hinges Removing the Camera Board 2. Disconnect the camera connector 3. Pull up the camera board1. See “Removing the LCD Bezel” on page ChapterRemoving the LCD Panel Screw ListStep Screw4. Lift the LCD panel out lifting the bottom of the panel first ChapterRemoving the LCD Brackets Screw ListStep ScrewRemoving the FPC Cable 3. Lift up the protective plastic tab 4. Disconnect the LCD connector1. See “Removing the LCD Panel” on page ChapterRemoving the Antennas 1. See “Removing the LCD Panel” on page2. Lift up the right antenna pull the cable away from the LCD module 4. Pull up the two adhesive foil tabs from the cables5. Remove the antennas completely ChapterLCD Reassembly Procedure Replacing the Antennas3. Stick the two antennas down pressing firmly ChapterReplacing the FPC Cable Replacing the LCD Brackets Screw ListStep ScrewReplacing the LCD Panel 3. Apply adhesive and stick the microphone down ChapterReplacing the Camera Board 1. Apply adhesive and lay the Camera Board board down pressing firmly2. Connect the cable to the Camera Board Replacing the LCD Bezel 1. Place the bezel hinge covers over the hinges2. Ensure the cables are correctly exiting the hinges ChapterChapter Main Unit Reassembly Process Replacing the Speaker ModulesReplacing the RTC Battery 1. Place the RTC battery into the holding clips on the main boardReplacing the Thermal Module 1. Connect the thermal module connector to the main boardIMPORTANT Incorrect order of screw replacement could harm the CPU 3. The tighten the other two captive screwsReplacing the CRT Board 1. Connect the CRT board cable to the main board2. Connect the CRT board cable to the CRT board Replacing the Main Board Main Board AssemblyScrew List Step3. Connect the speaker connector ChapterReplacing the I/O Card I/O Card AssemblyScrew List Step3. Connect and lock the I/O card FCC to the I/O board 4. Connect and lock the I/O card FCC to the main boardChapter Replacing the Bluetooth Module 1. Connect the Bluetooth module cable to the Bluetooth module3. Connect the Bluetooth module cable to the main board ChapterReplacing the LED Board 1. Connect and lock the LED board FCC to the mainboard3. Replace the one screw LED Board Assembly Screw ListStep ScrewReplacing the LCD Module 1. Place the LCD module hinges into position on the lower case2. Replace the two screws 3. Reconnect the LCD module connector Chapter5. Relay the WLAN cables around and through the lower case ChapterReplacing the Button Board 3. Connect the touch pad FCC to the touch padChapter Assembly Screw ListStep Screw6. Lay the button board FCC down carefully on the upper cover 7. Connect the button board FCC to the button boardChapter Replacing the Upper Cover 2. Replace the nine screwsScrew List Replacing the Keyboard 1. Connect the FCC to the mainboardReplacing the Wireless LAN Module WLAN AssemblyScrew List StepChapter Replacing the DIMM Module 2. Place the DIMM module door down edge first3. Tighten the four captive screws ChapterReplacing the Hard Disk Drive 1. Connect the HDD FPC to the HDD2. Lift up the clear plastic tab and place the HDD into its bay 3. Connect the HDD FPC to the main board4. Place the HDD cover in from one edge 5. Tighten the four captive screwsChapter Replacing the Battery 1. Slide the battery into position 2. Close the locking latchReplace the Dummy Card Push the dummy card into the slot until it clicks into placeChapter Chapter Troubleshooting Common ProblemsSymptoms Verified ChapterPower On Issue Computer Shuts down IntermittentlyNo Display Issue No POST or VideoRandom Loss of BIOS Settings Abnormal Video DisplayLCD Failure Start Check LCD module? OK Check MB LCD connector and cable ?Swap ReassembleBuilt-In Keyboard Failure TouchPad Failure Start Check M/B T/P FFC OK Check TouchPadRe-assemble the Swap/ReassembleSound Problems Internal Speaker FailureMicrophone Problems Internal Microphone FailureHDD Not Operating Correctly d. Select Repair your computerg. Select Startup Repair USB Failure Right up/down side Other FailuresUSB/B cable to M/B USB cableIntermittent Problems Undetermined ProblemsPOST Code Reference Tables POST Routine DescriptionCode POST Routine Description CodePOST Routine Description CodeAsfInit Jumper and Connector Locations Mainboard Top ViewChapter Mainboard Bottom View BOTTOM SIDEClearing Password Check and BIOS Recovery Mainboard CMOS DischargeBIOS Recovery by Crisis Disk BIOS Recovery Boot BlockBIOS Recovery Hotkey Steps for BIOS Recovery from USB StorageGateway EC18/EC14 Exploded Diagrams FRU Field Replaceable Unit ListChapter Main Assembly DescriptionPart Number Description Part NumberChapter LCD Assembly DescriptionPart Number FRU List CATEGORYPARTNAME ACER P/NCATEGORY PARTNAMEACER P/N CATEGORY PARTNAMEACER P/N CATEGORY PARTNAMEACER P/N CATEGORY PARTNAMEACER P/N Screw List CATEGORYPARTNAME ACER P/NModel Definition and Configuration Appendix AModel Model Wireless LAN Wireless LAN1Battery ModelTest Compatible Components Appendix BBRAND TypeDescription CameraBRAND WiFi Antenna Wireless LANBRAND TypeOnline Support Information Appendix CPage Page Page Page Undetermined Problems Upper Cover volumeUSB Failure Rightside 131 utility Windows 2000 Environment Test 155 WLAN Board