Gateway E3400 To replace the power supply:

Replacing the power supply

Your power supply can be removed without disconnecting power supply cables or removing screws.

To replace the power supply:

1Turn off the computer, disconnect the power cord, modem cord (if installed), and all external peripheral devices.

2Remove the right panel. (See “Removing the side panels” on page 19 and observe the “Static electricity precautions” on page 17.)

3Pull the power supply release lever away from the chassis. This releases the power supply from its connector and moves it out from the back of the chassis.

	Power
Power supply	supply
Power supply
release lever

4From the rear side of the chassis, pull the power supply out and away from the chassis.

5Make sure that the voltage switch on the back of the new power supply is set to the correct voltage for your area.

52Replacing and Adding System Components

Contents

Page Preface 4 Replacing and Adding System Components Using the BIOS Setup Utility Managing Your System Cleaning Your System Troubleshooting Safety, Regulatory, and Notices Specifications Index Page Preface Page System1 Features Page Audio-out port CD drive CD eject button CD volume control Power LED Reset button Right panel release button AGP video card connector (optional) Kensington lock slot Keyboard port Mouse port Parallel port Power Connector RJ-45LAN connector (LAN card) connects a network cable Serial ports USB ports Video port Page Page Page Front Back Page System Setup To start the system: Understanding the Power-On Self-Test Setting up the operating system To complete the operating system setup: Page Case Access To avoid static electricity discharge: Page Removing the side panels To remove the right panel: Page Page To remove the left panel: Replacing the side panels To replace the left panel: To replace the right panel: Replacing and Adding System Components Preparing to replace or add a drive The drive cage Releasing the drive cage To release the drive cage: Page Page Reinserting the drive cage To reinsert the drive cage: 3.5-inchdiskette or CD drives Replacing the diskette drive To replace a 3.5-inchdiskette drive: Page Replacing the CD drive To replace the CD drive: Page Adding a second 5.25-inchdevice Page Page Hard drive Replacing the hard drive To replace the 3.5-inchhard drive: Page Page Adding an additional hard drive To add an additional hard drive: Page Page To install or replace DIMMs: Page Page To add a PCI expansion card: Page Page To replace the AGP card: To replace the battery: Page To replace the power supply: Page To remove the system board tray assembly: Page To replace the system board: To replace the system board tray assembly: Page To remove the heat sink: To remove the processor: To install the new processor: To replace the heat sink: Page Using the BIOS Setup Utility Page Page Recovery mode To recover the BIOS: Page Managing Your System Surge suppressors Line conditioners Uninterruptible power supplies Hard drive maintenance utilities Checking for bad sectors and other disk problems Using a disk defragmenter to improve efficiency Hard drive management practices Checking hard drive space To check hard drive space: Backing up files Deleting unneeded files To delete .tmp files: Deleting temporary Internet files Emptying the Recycle Bin To decrease the size of the Recycle Bin: Page Protecting against viruses To remove a virus: Checking system health with LANDesk To install LANDesk Client Manager: Creating a startup diskette Keeping a record of system configuration Using your System Restoration CD Page Cleaning Your Page Troubleshooting Verifying your configuration Troubleshooting guidelines An audio CD produces no sound The CD drive is not recognized by the system Start | Settings | Control Panel), double-click Add New Hardware Advanced | IDE Configuration menu, set the IDE Controller to Both and the Secondary The SCSI drive is not recognized by the system The IDE drive is not recognized by the system Memory errors were detected during system start up A new processor is not recognized by the system The modem is not recognized by the system A SCSI device is not recognized by the system The diskette drive is not recognized by the system The diskette drive will not read, write, or format The diskette drive LED illuminates continuously An adapter card is not recognized by the system The printer will not turn on The printer is turned on but will not print The printer prints garbled text The system will not start up The system is non-responsive The keyboard does not work The mouse does not work The system is running but there is no display The text on the display is dim or difficult to read The color monitor displays everything in black and white The displayed characters are garbled The video is distorted Page Error Message Solutions exit Command.com file Page Page Safety Regulatory, and Notices Setting up your system Care during use Replacement parts and accessories American users FCC part 68 (applicable to products fitted with USA modems) Canadian users European users Japanese users Australia and New Zealand users External television antenna grounding Lightning protection Power lines Antenna and satellite grounding Reference Grounding component All rights reserved Trademark acknowledgments Specifications A