
CHAPTER 4: Upgrading Your Computer
60
11
Place the new heat sink on the processor, making sure
the thermal paste is aligned between the heat sink and
the processor, then tighten the screws that secure the
heat sink to the system board.
12
Connect the fan cable to the system board, then reinstall
the fan.
13
Replace the 5.25-inch component bay into the chassis.
14
Replace the front bezel, replace the hard drive bracket,
then replace the side panel.
Replacing the system battery
If the computer clock does not keep time or the settings in the
BIOS Setup utility are not saved when you turn off your
computer, replace the system battery. Use a battery of the
same size and voltage as the original battery that was in your
computer.
To replace the battery:
1
Restart your computer.
2
During the restart, press and hold F2. The main menu of
the BIOS Setup utility opens.
3
Write down all values in the menus and submenus, then
exit from the utility.
4
Shut down your computer.
5
Remove the side panel by following the instructions in
“Opening and closing the case” on page 39
.
Warning
Danger of explosion if battery is incorrectly replaced. Replace only with the
same or equivalent type recommended by the manufacturer. Dispose of used
batteries following the manufacturer’s instructions.
Caution
Any custom BIOS settings you have made will be lost when you remove
the system battery. All settings will return to their factory defaults.
Caution
Any custom BIOS settings you have made will be lost when you
remove the system battery. All settings will return to their factory
defaults.
8512733.book Page 60 Friday, September 21, 2007 4:47 PM
Summary of Contents for E-4620
Page 1: ...REFERENCEGUIDE 8512733 book Page a Friday September 21 2007 4 47 PM...
Page 2: ...8512733 book Page b Friday September 21 2007 4 47 PM...
Page 10: ...CHAPTER 1 About This Reference 4 8512733 book Page 4 Friday September 21 2007 4 47 PM...
Page 92: ...CHAPTER 5 Maintaining Your Computer 86 8512733 book Page 86 Friday September 21 2007 4 47 PM...
Page 128: ...CHAPTER 6 Troubleshooting 122 8512733 book Page 122 Friday September 21 2007 4 47 PM...
Page 138: ...APPENDIX A Legal Notices 132 8512733 book Page 132 Friday September 21 2007 4 47 PM...
Page 148: ...142 Index 8512733 book Page 142 Friday September 21 2007 4 47 PM...
Page 149: ...8512733 book Page 143 Friday September 21 2007 4 47 PM...
Page 150: ...MAN 3BAY MBTX PRO REF GDE V R1 9 07 8512733 book Page 144 Friday September 21 2007 4 47 PM...