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9 Memory modules .......................................................................................................................................... 61
10 Security ........................................................................................................................................................ 66
Protecting the computer ..................................................................................................................... 66
Using passwords ................................................................................................................................ 67
Setting passwords in the operating system ....................................................................... 67
Setting passwords in Computer Setup .............................................................................. 67
Managing an administrator password ............................................................... 68
Entering an administrator password .................................................................. 68
Managing a power-on password ....................................................................... 68
Entering a power-on password ......................................................................... 69
Using firewall software ....................................................................................................................... 69
Installing an optional security cable .................................................................................................... 70
11 Backup and Recovery ................................................................................................................................ 71
Performing a system recovery ............................................................................................................ 72
Backing up your information ............................................................................................................... 73
12 Computer Setup .......................................................................................................................................... 74
Starting Computer Setup .................................................................................................................... 74
Using Computer Setup ....................................................................................................................... 74
Navigating and selecting in Computer Setup ..................................................................... 74
Restoring factory settings in Computer Setup ................................................................... 75
Updating the BIOS ............................................................................................................................. 75
Determining the BIOS version ........................................................................................... 76
Downloading a BIOS update ............................................................................................. 76
Appendix A Troubleshooting and support .................................................................................................... 77
Troubleshooting .................................................................................................................................. 77
The computer is unable to start up .................................................................................... 77
The computer screen is blank ............................................................................................ 77
Software is functioning abnormally .................................................................................... 78
The computer is on but not responding ............................................................................. 78
The computer is unusually warm ....................................................................................... 78
An external device is not working ...................................................................................... 78
The wireless network connection is not working ................................................................ 79
The optical disc tray does not open for removal of a CD or DVD ...................................... 79
The computer does not detect the optical drive ................................................................. 80
A disc does not play ........................................................................................................... 80
A movie is not visible on an external display ..................................................................... 80
The process of burning a disc does not begin, or it stops before completion .................... 81
Contacting customer support ............................................................................................................. 81
Labels ................................................................................................................................................. 82
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