Gateway E-5400 To install the new power supply:

6Locate and remove the two supporting screws securing the power supply to the top of the chassis.

Screws

7While supporting the power supply with one hand, locate and remove the two screws securing the power supply to the rear of the chassis.Carefully lift the power supply out of the chassis.

To install the new power supply:

1Before installing the new power supply, verify that it matches the one you previously removed. The mounting holes should line up correctly, and the specifications and power output connectors should be the same.

2Make sure that the red voltage switch on the back of the new power supply is set to the proper voltage for your area.

3Place the new power supply in the proper position in the chassis and line up the mounting holes with the holes in the chassis.

Power supply

Contents

Page Preface Using the BIOS Configuration Manager Managing Your System Cleaning Your System Troubleshooting Appendix Index Page Preface Page System1 Features Audio-out jack CD/DVD volume control Power button Power on LED CD/DVD drive CD/DVD eject button Diskette drive Diskette eject button Reset button Voltage selector Power connector Mouse port Keyboard port USB ports Serial port RJ-45 LAN connector Secondary video port Primary video port Page Page Page System Setup To start the system: Page Understanding the Power-On Self-Test Setting up the operating system To complete the operating system setup: To turn off your system in Windows NT: To reset your system in Windows NT: Case Access To prevent static electricity discharge: Page To remove the left side cover panel: Page To remove the bezel: To replace the bezel: To replace the chassis cover: Page System4 Components Removing the system board To remove the system board: Page Page To install the system board: Page Replacing or adding a processor To replace a processor: Page To add an additional processor: Adding or replacing memory must RIMM Modules Total Memory To add or remove RIMMs: Page Adding an expansion card To add an expansion card: Page Replacing the battery To replace the battery: Troubleshooting the battery installation Page Page Page Drive cabling information Removing and replacing the 3.5-inchdiskette or CD/DVD drive To replace the drives: Page Installing an additional 3.5-inchdevice To install an additional device in the 3.5-inchdrive bay: Page Installing an additional 5.25-inchdevice To install an additional device in the 5.25-inchdrive bay: Page Page Removing and replacing the hard drive To replace the hard drive: Installing an additional hard drive To install an additional hard drive: Removing and replacing the power supply To remove the power supply: To install the new power supply: Page Removing and replacing the system fans To remove the front system fan: Page Page To install the new front system fan: To remove the rear system fan: Page To install the new rear system fan: Page Removing and replacing the control panel To remove the control panel: To install the new control panel: Page Using the BIOS Configuration Manager BIOS Configuration Manager Page To create a bootable diskette: To note the current BIOS settings: To create the BIOS update diskette: To update the BIOS: To restore the BIOS settings: BIOS recovery mode To recover the BIOS: Troubleshooting: Page Managing Your System Surge suppressors Line conditioners Uninterruptible power supplies Hard drive maintenance utility Using Check Disk in Windows NT To use Check Disk: Hard drive management practices Checking hard drive space To check hard drive space: Backing up files To run Backup in Windows NT: To delete temp files: To decrease the size of the Recycle Bin: Protecting your computer from viruses To remove a virus: Monitoring system health with LANDesk To install LANDesk Client Manager: Creating a startup diskette Using your System Restoration CD Page Cleaning Your Page Troubleshooting Verifying your configuration Troubleshooting guidelines Solution Page Auto Page Page Page Page Page Page Page Page Page Page Error Message Solutions exit Page Page 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 Reference Grounding component All Rights Reserved Trademark Acknowledgments Appendix Page Numerics