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Sony VGN-SZ750N User Guide - Page 181

Battery, When should I replace the battery pack?

UPC - 027242734197

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n 181 N Troubleshooting Battery How do I find the battery charging status? See Charging the Battery Pack (page 25). When is my computer using AC power? When your computer is directly connected to the AC adapter, it uses AC power, even if the battery pack is installed. When should I recharge the battery pack? ❑ When the battery level falls below 10%. ❑ When both the battery and power indicators blink. ❑ When you have not used the battery pack for a long period of time. When should I replace the battery pack? If the battery power is still low after charging it, the battery pack may be reaching the end of its life and should be replaced.

Section	Page
Before Use	6
Documentation	7
Ergonomic Considerations	11
Getting Started	13
Locating Controls and Ports	14
About the Indicator Lights	20
Connecting a Power Source	22
Using the Battery Pack	23
Shutting Down Your Computer Safely	29
Using Your VAIO Computer	30
Using the Keyboard	31
Using the Touch Pad	33
Using Special-function Buttons	34
Using the Built-in MOTION EYE Camera	35
Using the Optical Disc Drive	36
Using PC Cards	45
Using the ExpressCard Module	49
Using the Memory Stick Media	53
Using Other Memory Cards	59
Using the Internet	62
Using Wireless LAN (WLAN)	63
Using the Bluetooth Functionality	71
Using Peripheral Devices	78
Connecting a Docking Station	79
Connecting External Speakers	88
Connecting an External Display	89
Selecting Display Modes	93
Using the Multiple Monitors Function	95
Connecting an External Microphone	97
Connecting a Universal Serial Bus (USB) Device	98
Connecting a Printer	101
Connecting an i.LINK Device	102
Connecting to a Network (LAN)	104
Customizing Your VAIO Computer	106
Selecting Performance Modes	107
Setting the Password	108
Using Fingerprint Authentication	119
Using Trusted Platform Module (TPM)	127
Setting Up Your Computer with VAIO Control Center	136
Using VAIO Status Monitor	137
Using the Power Saving Modes	138
Managing Power with VAIO Power Management	143
Protecting the Hard Disk	145
Upgrading Your VAIO Computer	146
Adding and Removing Memory	147
Precautions	154
On Handling the LCD Screen	155
On Using the Power Source	156
On Handling Your Computer	157
On Using the Built-in MOTION EYE Camera	159
On Handling Floppy Disks	160
On Handling Discs	161
On Using the Battery Pack	162
On Using Headphones	164
On Handling Memory Stick Media	165
On Handling the Hard Disk	166
On Handling the Memory Card Adapter	167
On Updating Your Computer	168
Troubleshooting	169
Computer	171
System Security	179
Battery	181
Built-in MOTION EYE Camera	183
Internet	186
Networking	188
Bluetooth Technology	191
Optical Discs	195
Display	199
Printing	203
Microphone	204
Mouse	205
Speakers	206
Touch Pad	208
Keyboard	209
Floppy Disks	210
PC Cards	211
Audio/Video	213
Memory Stick Media	214
Peripherals	215
Docking Station	216
Support Options	217
Sony Support Information	217
Program Support Information	221