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Sony VGN-SR129E User Guide - Page 187

Display, Why did my screen go blank?

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n 187 N Troubleshooting Display Why did my screen go blank? ❑ Your computer screen may go blank if the computer loses power or enters a power saving mode (Sleep or Hibernate). If the computer is in LCD (Video) Sleep mode, press any key to bring the computer back into Normal mode. See Using the Power Saving Modes (page 129) for more information. ❑ Make sure your computer is securely plugged into a power source and turned on. Make sure the power indicator shows the power is on. ❑ If your computer is using battery power, make sure the battery pack is installed properly and is charged. See Using the Battery Pack (page 24) for more information. ❑ If the display mode is set to the external display, press the Fn+F7 keys. See Combinations and Functions with the Fn Key (page 33) for more information.

Section	Page
Before Use	6
Energy Star	7
Documentation	8
Ergonomic Considerations	12
Getting Started	14
Locating Controls and Ports	15
About the Indicator Lights	22
Connecting a Power Source	23
Using the Battery Pack	24
Shutting Down Your Computer Safely	31
Using Your VAIO Computer	32
Using the Keyboard	33
Using the Touch Pad	34
Using the Switch Functionality	35
Using the Built-in MOTION EYE Camera	36
Using the Optical Disc Drive	39
Using the ExpressCard Module	48
Using the Memory Stick Media	51
Using Other Memory Cards	57
Using the Internet	60
Using Wireless LAN (WLAN)	62
Using the Bluetooth Functionality	69
Using Peripheral Devices	74
Connecting a Docking Station	75
Connecting External Speakers	82
Connecting an External Display	83
Selecting Display Modes	88
Using the Multiple Monitors Function	90
Connecting an External Microphone	92
Connecting a Universal Serial Bus (USB) Device	93
Connecting a Printer	96
Connecting an i.LINK Device	97
Connecting to a Network (LAN)	99
Customizing Your VAIO Computer	101
Setting the Password	102
Using Fingerprint Authentication	113
Using Trusted Platform Module (TPM)	121
Setting Up Your Computer with VAIO Control Center	128
Using the Power Saving Modes	129
Managing Power with VAIO Power Management	134
Protecting the Hard Disk	136
Upgrading Your VAIO Computer	137
Adding and Removing Memory	138
Precautions	145
On Handling the LCD Screen	146
On Using the Power Source	147
On Handling Your Computer	148
On Using the Built-in MOTION EYE Camera	150
On Handling Floppy Disks	151
On Handling Discs	152
On Using the Battery Pack	153
On Using Headphones	155
On Handling Memory Stick Media	156
On Handling the Hard Disk	157
On Updating Your Computer	158
Troubleshooting	159
Computer	161
System Security	167
Battery	168
Built-in MOTION EYE Camera	170
Internet	173
Networking	175
Bluetooth Technology	179
Optical Discs	183
Display	187
Printing	192
Microphone	193
Mouse	194
Speakers	195
Touch Pad	197
Keyboard	198
Floppy Disks	199
Audio/Video	200
Memory Stick Media	201
Peripherals	202
Docking Station	203
Support Options	204
Sony Support Information	205
Program Support Information	208