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Toshiba L550, L550D, L555, L555D Sound system, Volume control

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L550/L550D/L555/L555D

Sound system

In addition to the information in this section, please also refer to the documentation supplied with your audio device.

Problem	Procedure
No sound is heard	Adjust the volume control.
	Turn the dial clockwise to increase the volume
	and turn the dial counterclockwise to decrease
	the volume.

	Check the software volume settings.

	Please check to see if Mute is turned to Off.

	Check to make sure the headphone connection
	is secure.

	Check within the Windows Device Manager
	application to ensure the sound function is
	enabled.
	If you are still unable to resolve the problem,
	contact your reseller, dealer or service provider.

Annoying sound is	In this instance you may be experiencing
heard	feedback from either the internal microphone or
	an external microphone connected to the
	computer - please refer to Sound system in
	Chapter 4, Operating Basics, for further
	information.
	Volume cannot be adjusted when Windows is
	turned on or turned off.
	If you are still unable to resolve the problem,
	contact your reseller, dealer or service provider.

Volume control

Problem	Procedure
No sound is heard	Adjust the volume control.
	Turn the dial clockwise to decrease the volume
	and turn the dial counterclockwise to increase
	the volume.
	Turn the volume control while verifying the
	volume in order to adjust.

Annoying sound is	Volume cannot be adjusted when Windows is
heard	turned on or turned off.
	If you are still unable to resolve the problem,
	contact your reseller, dealer or service provider.

9-18	User’s Manual

Contents

L550/L550D/L555/L555D Copyright Disclaimer Trademarks Macrovision License of Notice EU Conformity Statement CE compliance ■Only CE marked options should be connected / implemented ■Only best shielded cables should be connected Working environment For example, the following environments are not approved: Following information is only for EU-memberstates: Disposal of products Disposal of batteries and/or accumulators Disposing of the computer and the computer’s batteries ENERGY STAR® Program Visit for more information regarding the ENERGY STAR Program Following information is only for Turkey: GOST Optical disc drive standards DVD Super Multi (±R DL) drive Panasonic UJ890AD/UJ890ED HLDS GT20N/GT20F Page Page International precautions OBS VAROITUS Table of Contents Preface General Precautions Chapter 1 Introduction Chapter 2 The Grand Tour Chapter 5 The Keyboard Chapter 6 Power and Power-upModes Chapter 7 HW Setup and Passwords Chapter 8 Optional Devices Chapter 9 Troubleshooting Disclaimers Appendix A Specifications Appendix B Display Controller Appendix C Wireless LAN Preface Manual contents Conventions Key operation CTRL + C CTRL ABC Display General Precautions Provide adequate ventilation Creating a computer-friendlyenvironment Stress injury Heat injury Pressure or impact damage Mobile phones Instruction Manual for Safety and Comfort Page Introduction Equipment checklist Software Features Processor Memory Video RAM Disks Optical disc drive BD Writer drive Keyboard Pointing Device Power Ports Slots Multimedia Communications Security Software Special features On battery This feature lets you configure the computer in order to save battery power. This can be computer operation cannot be continued, the system automatically enters Hibernation Mode an internal temperature sensor so that, if the TOSHIBA Value Added Package Utilities and Applications WinDVD BD for Click Start -> All Programs -> InterVideo WinDVD -> WinDVD BD for TOSHIBA Windows Mobility Center Options The Grand Tour Front with the display closed Left side port LAN jack eSATA/USB combo Right side Underside Battery safety lock Battery release latch Memory module slots Front with the display open Display screen Power button Stereo speakers Touch Pad Touch Pad control Microphone Web Camera LED Front operation panel System indicators Keyboard indicators CAPS LOCK NUM LOCK Number Lock Optical disc drives Writable discs This section describes the types of writable CD/DVD/BD discs CDs DVDs DVD-R BD-Writerdrive BD-ROMread DVD ROM read CD-ROMread BD-Rwrite AC adaptor Getting Started Connecting the AC adaptor Page Opening the display Turning on the power Starting up for the first time Turning off the power Benefits of Hibernation Mode Starting Hibernation Mode Automatic Hibernation Mode Data save in Hibernation Mode Benefits of Sleep Mode Executing Sleep Mode Sleep Mode limitations Restarting the computer System Recovery Options Creating Optical Recovery Discs Restoring the pre-installedsoftware from your created Recovery Discs Restoring the pre-installedsoftware from the Recovery hard disk drive Ordering Recovery Discs from TOSHIBA Page Operating Basics Using the Touch Pad Touch Pad Gesture Using optical disk drives Page Removing discs How to remove a CD/DVD/BD when the disc tray will not open Writing CD/DVD/BD on DVD Super Multi drives or BD Writer drives DVD Super Multi drive BD Writer drive Page The actual number of rewrites to There are two types of You can use both You may find that other computer Data deleted/erased from a When writing or rewriting Always copy data from the hard disk drive to the optical media - do not use the ■Do not perform any of the following actions: ■Change users in the Windows® 7 operating system ■Start a communication application such as a modem Disclaimer TOSHIBA does not bear responsibility for the following: Damage to any Any change or loss of the recorded contents of ■Damage that may be caused by using third party equipment or software Data Verification How to learn more about TOSHIBA Disc Creator How to make a DVD-Video How to learn more about Corel DVD MovieFactory® How to make a Blu-raydisc Movie Important information for use Notes on use Display Devices & Audio TOSHIBA DVD PLAYER Starting TOSHIBA DVD PLAYER Operating TOSHIBA DVD PLAYER Open TOSHIBA DVD PLAYER HELP Page Media care Sound system Information Speaker Configuration Sound Effects Microphone Effects Default Format Using the web camera Using TOSHIBA Web Camera Application Using TOSHIBA Face Recognition Page 1:N Mode Login screen 1:1 Mode Login screen Wireless communications Worldwide operation Radio links Release Notes related to the Bluetooth® Stack for Windows® by TOSHIBA Product Support: LAN Connecting the LAN cable LAN Active Link Cleaning the computer Moving the computer Heat dispersal Page The Keyboard Typewriter keys Function keys: F1 … F9 Soft keys: FN key combinations Hot keys FN Sticky key Windows special keys Generating ASCII characters Page Power and Power-upModes Power conditions Power indicators Battery ■Battery type (depending on the model you purchased) ■The availability of this battery is dependent on the model you purchased Real Time Clock battery time settings used to Setup Dispose of the battery as required by local ordinances or regulations Care and use of the battery pack Refer to the enclosed for detailed precautions and handling instructions ■Charge the battery pack only in an ambient temperature between Never remove the battery pack while the Procedures Time Battery charging notice In such cases you should follow the steps as detailed below: 3.Charge the battery until the Battery indicator glows green Monitoring battery capacity Remaining battery power can be monitored using the following methods ■Clicking the battery icon on the task bar ■Via the Battery Status in the Windows Mobility Center window Maximizing battery operating time Retaining data with power off Retention Time State and Retention Time 2 days for 12 cell, 1 day for 6 cell 0.5 day for 3 cell (sleep mode) Replacing the battery pack Page TOSHIBA Password Utility Power-upmodes Windows utilities Hot keys Panel power on/off System auto off Page HW Setup and Passwords HW Setup Accessing HW Setup HW Setup Window General Setup Password User Password Display Power On Display Boot Priority Boot Priority Options Button Setting USB Legacy USB Support LAN Wake-upon LAN Built-inLAN SATA (optional) eSATA SATA Interface setting Page Optional Devices Cards/memory Power devices Peripheral devices Other Bridge media slot Points to note about the SD/SDHC memory card Memory media format Formatting an SD/SDHC memory card Additional memory module Installing a memory module 5.Seat the memory module cover in place and secure it with one screw Take care to ensure that the memory module cover is firmly closed Install the battery pack - refer to Replacing the battery pack 7.Turn your computer over Battery Packs Universal AC Adaptor Battery Charger USB floppy diskette drive Connecting the USB floppy diskette drive Disconnecting the USB floppy diskette drive eSATA (External Serial ATA) External monitor Television via HDMI For Intel Multiple Displays For ATI 1.Click Start -> All Programs -> Catalyst Control Center ->CCC 2.Click Graphics and select Desktop & Displays Security lock Troubleshooting Problem solving process Preliminary checklist ■Check that your floppy diskette, CD, DVD or BD media is correctly loaded Analyzing the problem PRTSC Do you hear any beeps? If so, how many, are they long or short, and are they Hardware and system checklist System start-up Self test Boot Priority Power Overheating power down AC power Battery Real Time Clock Markings appear on These marks may have come from contact with the LCD screen the keyboard or Touch Pad while the display has by gently wiping the display panel with a clean Hard disk drive Page BD writer drive SD/SDHC memory card, miniSD/microSD Card Memory Stick/Memory Stick PRO Touch Pad USB mouse Double-clickingdoes Set the double-clickspeed as required and To access this utility, click Start -> Control Panel -> Hardware and Sound -> Mouse USB device USB device does not Remove the USB device from the computer and work then reconnect it to a free port in order to ensure eSATA device Additional memory module If there is an error in Slot B: amber once, then green twice If there are errors in both Slot A and Slot B:amber twice, then green twice 2.Disconnect the AC adaptor and all peripheral devices Sound system Volume control External monitor LAN Bluetooth TOSHIBA support Page Disclaimers CPU Memory (Main System) Battery Life HDD drive capacity LCD Graphics Processor Unit (“GPU”) Wireless LAN External HDD Capacity Non-applicableIcons Copy Protection Images LCD Brightness and Eye Strain Specifications Environmental requirements Page Display Controller Display controller Page Wireless LAN Card Specifications Radio Characteristics Supported Frequency Sub-bands Channel ID Frequency Range Channel ID 5150-5850MHz Note AC Power Cord and Connectors Certification agencies Europe: Outside of Europe: USA United Kingdom AustraliaEurope CanadaChina TOSHIBA PC Health Monitor Starting the TOSHIBA PC Health Monitor If your computer is stolen TOSHIBA Theft Registration Glossary GB: HDD: GPS: HD+: IDE: ASCII BIOS: bit: Bluetooth: board: boot: boot disk: bootable disk: bps: click: CMOS: cold start: COM1, COM2, COM3 and COM4: commands: data: data bits: DC: default: delete: Also known as terrestrial digital TV. Digital TV broadcasting standard DVD-R (+R -R): DVD-RAM: floppy diskette: A removable disk that stores magnetically encoded data floppy diskette drive (FDD): Fn-esse: A TOSHIBA utility that lets you assign functions to hot keys folder: An icon in Windows used to store documents or other folders format: To physically connect one system or device to another to exchange information interrupt request: A signal that gives a component access to the processor I/O: I/O devices: IrDA 1.1: main board: See motherboard megabyte (MB): megahertz: memory: A computer’s main memory is RAM. See RAM, ROM PCI: Peripheral Component Interconnect. An industry standard 32-bitbus peripheral: Péritel: pixel: plug and play: See also RGB: RJ11: A modular telephone jack RJ45: A modular LAN jack Read Only Memory (ROM): See S/P DIF: A standard of digital interface for audio Touch Pad: A pointing device integrated into the TOSHIBA computer palm rest USB: VGA: volatile memory: warm start: Restarting or resetting a computer without turning it off Index