Quick Reference Guide
Table Of Contents
- Contents
- About This Reference
- Checking Out Your Computer
- Setting Up and Getting Started
- Working safely and comfortably
- Preparing power connections
- Connecting to a broadband modem or network
- Connecting a dial-up modem
- Starting your computer
- Turning off your computer
- Restarting (rebooting) your computer
- Using the keyboard
- Using the mouse
- Using optical drives
- Using the memory card reader
- Using the diskette drive
- Adjusting the volume
- Installing a printer, scanner, or other device
- Upgrading Your Computer
- Preventing static electricity discharge
- Opening and closing the case
- Removing and installing the front bezel
- Installing memory
- Replacing an optical or diskette drive or a card reader
- Replacing the hard drive
- Adding or replacing an expansion card
- Replacing the front fan
- Replacing the rear fan
- Replacing the front I/O board
- Replacing the processor
- Replacing the system battery
- Replacing the power supply
- Replacing the system board
- Maintaining Your Computer
- Troubleshooting
- Safety guidelines
- First steps
- Troubleshooting
- Add-in cards
- Audio
- CD or DVD drives
- Diskette drive
- The diskette drive is not recognized
- You cannot save a file to diskette or you see the message “disk is full or write-protected”
- You see an “Access Denied” or “Write protect” error message
- You see a “Disk is full” error message
- You see a “Non-system disk” or “Disk error” error message
- The diskette drive LED is lit continuously
- Display
- DVD drives
- Ethernet
- Expansion cards
- File management
- Floppy drive
- Hard drive
- Internet
- Keyboard
- Memory
- Memory card reader
- Modem (cable or DSL)
- Modem (dial-up)
- Your modem does not dial or does not connect
- You cannot connect to the Internet
- Your 56K modem does not connect at 56K
- Your fax communications program only sends and receives faxes at 14,400 bps when you have a 56K modem
- The modem is not recognized by your computer
- The modem is noisy when it dials and connects
- Monitor
- Mouse
- Networks
- Passwords
- Power
- Printer
- Sound
- Recovering your system
- Telephone support
- Legal Notices
- Index

CHAPTER4: Upgrading Your Computer
56
7 Push the battery release tab. The battery pops out of the
socket.
8 Make sure that the positive (+) side of the new battery
is facing up, then press the battery into the socket until
it snaps into place.
9 Replace the side panel, then return the computer to an
upright position.
10 Reconnect all external cables and the power cord.
11 Turn on your computer.
12 Open the BIOS Setup utility.
13 In the BIOS Setup utility, restore any settings that you
wrote down previously.
14 Save all your settings and exit the BIOS Setup utility.
Replacing the power supply
To replace the power supply:
1 Remove the side panel by following the instructions in
“Opening and closing the case” on page 37.
2 Disconnect the power supply cables from all
components (such as hard drives, CD or DVD drives, and
the system board), noting their locations and
orientation. (You will reconnect the cables after you
install the new power supply.)
3 Remove the three screws that secure the power supply
to the computer.
Screws
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