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Sony PCG-TR3A VAIO User Guide - Page 135

When is the computer using AC power?, When the computer is directly connected to the AC adapter

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When is the computer using AC power? When the computer is directly connected to the AC adapter, it uses AC power, even if a battery is installed. Page 135

Section	Page
Welcome	1
Caring for Your Computer	2
Applying Ergonomics	3
Storing Your Computer	4
Using Cables and Connections	5
Cleaning Your Computer	6
Handling the LCD Screen	7
Powering Your Computer	8
Using AC Power	9
Connecting the AC adapter	10
Turning on the computer	11
Using the Battery	12
Inserting a battery	13
Removing a battery	14
Locating battery information	15
Charging a battery	18
Notes on batteries	19
Conserving Battery Power	20
Using power saving modes	21
Using PowerPanel utility	22
Internet and Network Connections	25
Internet Connections	26
Setting up a dial-up Internet connection	27
Setting up an Ethernet Internet connection	29
Customizing your Internet connection	31
Network Connections	32
Using Ethernet and dial-up connections	33
Using wireless network connections (selected models only)	35
Checking your network connection status	41
CDs and DVDs	42
Inserting and Ejecting CDs or DVDs	44
Copying and Playing CDs and DVDs	46
Playing CDs	47
Copying files to CDs	49
Playing DVDs	51
Playing DVDs on your computer	52
MOTION EYE Camera	53
Using the MOTION EYE Camera	54
Describing the MOTION EYE Camera	55
Capturing an image	56
Toggling between multiple cameras	57
Locating the help files	58
Notes on using the MOTION EYE camera	59
Printer Connections	60
Connecting a USB Printer	61
Disconnecting a Printer	62
Computer Features	63
Using the Touch Pad	64
Describing the touch pad	65
Customizing the touch pad	66
Using Memory Stick Media	67
About Memory Stick media	68
Inserting Memory Stick media	69
Viewing the contents	70
Write-protecting Memory Stick media	71
Formatting Memory Stick media	72
Removing Memory Stick media	73
Using the Multilingual User Interface Language Option	74
Changing Numbers, Currency, Time, and Date Formats	75
Changing the Window Design of Sony Programs	76
Mice and Keyboards	77
Using the Keyboard	78
Keyboard descriptions	79
Windows key combinations	80
Indicator lights	81
Fn key combinations	82
Connecting External Mice and Keyboards	83
Connecting a mouse or keyboard	84
Disconnecting a mouse or keyboard	85
Floppy Disk Drives	86
Using a Floppy Disk Drive	87
Connecting a floppy disk drive	88
Inserting and removing floppy disks	89
Protecting floppy disks	90
Disconnecting a floppy disk drive	91
Storing a floppy disk drive	92
Using PC Cards	93
Inserting PC Cards	94
Removing PC Cards	95
i.LINK Optical Drives	96
Connecting an i.LINK Optical Drive	97
Audio and Video Connections	99
Using i.LINK Digital Video Recorders	100
Connecting an i.LINK digital video recorder	101
Disconnecting the i.LINK digital video recorder	102
Using a digital video camera recorder	103
Using Computer Monitors and Projectors	104
Connecting a computer monitor	105
Connecting a multimedia device	106
Selecting a display	107
Disconnecting a computer monitor or projector	108
Using Speakers	109
Connecting speakers	110
Disconnecting speakers	111
Adjusting the volume	112
Enabling the audio feature	113
Using Microphones	114
Connecting a microphone	115
Disconnecting a microphone	116
Using a microphone to record sound	117
Memory Upgrades	118
Precautions and Procedures	119
Removing and Installing Memory Modules	120
Confirming Added Memory Capacity	122
Troubleshooting	123
Computer	124
What do I do if my computer won't start?	125
What do I do if a BIOS error appears when my computer starts?	126
What do I do if the message Operating system not found appears when my computer starts, and why won't Windows start?	127
Why does my computer stop responding? Why can't I turn off my computer?	128
Why won't my computer enter Standby or Hibernate mode?	129
Why is the sound of my computer's fan so loud?	130
Why does the System Properties dialog box display a slower CPU speed than the maximum?	131
Why don't my changes appear on the computer screen (LCD)?	132
Battery	133
How do I know when the battery is charged?	134
When is the computer using AC power?	135
When should I recharge the battery?	136
When should I replace the battery?	137
Should I be concerned that the installed battery is warm?	138
Can my computer enter Hibernate mode while using battery power?	139
Why doesn't my computer enter Hibernate mode?	140
Internet	141
Why doesn't my modem work?	142
Why is my modem connection slow?	143
Networking	144
Why can't my computer connect to a wireless LAN access point?	145
Why can't I access the Internet?	146
Why is the data transfer speed slow?	147
Why is the communication speed interrupted or slowed down when MPEG2 data is transferred?	148
How do I avoid data transfer interruptions?	149
Can I connect to an IEEE 802.11a device?	150
What are channels?	151
When I change the encryption key, the network connection stops. What do I do?	152
CDs and DVDs	153
How do I maintain CDs and DVDs?	154
Why does my computer freeze when I try to read a disc?	155
What do I do if the drive tray won't open?	156
What do I do if the optical drive isn't playing my CD or DVD properly?	157
Why did the computer screen (LCD) go blank?	158
Printing	159
Why can't I print a document?	160
Microphone	161
Why doesn't my microphone work?	162
Mouse	163
What do I do if the computer doesn't recognize the mouse?	164
What do I do if the pointer doesn't move when I use the mouse?	165
Speakers	166
Why won't my speakers work?	167
Why can't I hear sound from my speakers?	168
Why don't the Fn+F3 or the Fn+F4 key combinations work?	169
Touchpad	170
What do I do if the touch pad does not work?	171
i.LINK	172
Why isn't my i.LINK drive playing a CD or DVD properly?	173
Why won't my i.LINK drive play my computer programs?	174
Memory Stick Media	175
Why can't I open my image files?	176
Why can't I save music files onto my Memory Stick media?	177
Can I copy images from a digital video camera using Memory Stick media?	178
How do I prevent damage to the Memory Stick media?	179
How do I extend the life of the Memory Stick media?	180
Floppy Disks	181
Why doesn't the Safely Remove Hardware icon appear on the taskbar when the drive is connected?	182
Why is the drive unable to write data to a floppy disk?	183
PC Cards	184
Why doesn't my PC Card work?	185
Why doesn't my computer recognize attached devices?	186
Why can't I insert my PC Card?	187
Why does an exclamation mark (!) appear on the Device Manager tab in the System Properties dialog box?	188
Audio/Video	189
Why can't I use the DV recorder?	190
Support Options	191
Sony Support Information	192

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When is the computer using AC power?

When the computer is directly connected to the AC adapter, it uses AC power, even if a battery is installed.

Page 135