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Toshiba L750, L750D, L755, L755D AC power, Battery, DC IN, DC IN, DC IN, DC IN, Battery, Problem, Battery, Procedure, ProblemProcedure

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		Troubleshooting
		If the computer has reached room temperature
		and it still does not start, or if it starts but shuts
		down quickly, contact your reseller, dealer or
		service provider.

	Computer shuts down	This indicates a problem with the heat dispersal
	and its DC IN indicator	system - you should contact your reseller, dealer
	is flashing white	or service provider.

AC power

If you have trouble turning on the computer with the AC adaptor connected you should check the status of the DC IN indicator. Please refer to Chapter 6, Power and Power-Up Modes for further information.

ProblemProcedure

AC adaptor doesn’t power the computer (DC IN indicator does not glow white)

Check the connections to make sure that the power cord/adaptor is firmly connected to the computer and a working power outlet.

Check the condition of the cord and terminals. If the cord is frayed or damaged it should be replaced, while if the terminals are soiled, they should be cleaned with a clean cotton cloth.

If the AC adaptor still does not power the computer, you should contact your reseller, dealer or service provider.

Battery

If you suspect a problem with the battery, you should check the status of the DC IN indicator as well as the Battery indicator. Please refer to Chapter 6, Power and Power-Up Modes for more information on these indicators, together with general battery operation.

Problem	Procedure
Battery doesn’t power	The battery may be discharged - connect the AC
the computer	adaptor to recharge the battery.

Battery doesn’t charge	If the battery is completely discharged, it will not
when the AC adaptor is	begin charging immediately, in these instances
attached (Battery	you should wait a few minutes before trying again.
indicator does not glow	If the battery still does not charge, you should
amber).	check that the power outlet the AC adaptor is
	connected to is supplying power - this can be
	tested by plugging another appliance into it.

User’s Manual

8-5

Contents

Page Table of Contents Chapter 2 The Grand Tour Chapter 3 Hardware, Utilities and Options Chapter 4 Operating Basics Chapter 5 The Keyboard Chapter 6 Power and Power-UpModes HW Setup Chapter 8 Troubleshooting Appendix A Specifications Appendix B Display Controller and Video mode Appendix C Information for Wireless Devices Glossary Index Copyright Disclaimer Trademarks FCC information EU Declaration of Conformity Video Standard Notice Canadian regulatory information (Canada only) Modem warning notice Japan regulations Pursuant to FCC CFR 47, Part 68: Type of service Telephone company procedures If problems arise Disconnection Instructions for IC CS-03certified equipment Notes for Users in Australia and New Zealand Notes for use of this device in New Zealand ■In addition to satisfactory line conditions a modem can only work properly if: a/ it is compatible with the modem at the other end of the call and c/ Automatic calls to different numbers shall be not less than 5 seconds apart ■The correct settings for use with this modem in New Zealand are as follows: Following information is only valid for EU-memberStates: Disposing of the computer and the computer's batteries REACH - Compliance Statement Following information is only for Turkey: Optical disc drive safety instructions ■DVD Super Multi UJ8A0 ■Blu-ray™Writer UJ240 ■DVD Super Multi GT50F/50N Precautions Preface Conventions Icons Keys ENTER Key operation CTRL Terminology HDD or Hard disk drive 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 Getting Started Equipment checklist Software ■Windows ■TOSHIBA Value Added Package ■TOSHIBA Recovery Media Creator ■TOSHIBA VIDEO PLAYER (Is preinstalled with some models) Getting Started Connecting the AC adaptor ■Do not use a 3-pinto 2-pinconversion plug Battery DC IN Opening the display Turning on the power ■Volume cannot be adjusted during Windows Setup 1.Open the display panel 2.Press and hold the computer's power button for two or three seconds Starting up for the first time Shut Down Mode Sleep Mode Benefits of Sleep Mode Executing Sleep Mode Hibernation Mode Benefits of Hibernation Mode Starting Hibernation Mode Data save in Hibernation Mode System Recovery Options System Recovery Create Restoring the pre-installedsoftware from the Recovery hard disk drive ESC 1.Turn off your computer 2.While holding down 0 (zero) key on the keyboard, turn on your computer Restoring the pre-installedsoftware from your created Recovery Media F12 TOSHIBA Leading Innovation Start All Programs The Grand Tour Legal Footnote (Non-applicableIcons) Front with the display closed Left side LAN jack External monitor port Universal Serial Bus (USB 2.0 or USB 3.0) port Right side Back Underside Front with the display open Web Camera such as Windows Live Messenger. TOSHIBA Web Camera Application will help you to add Microphone Display screen Indicators Power Hard Disk Drive The Hard Disk Drive/Optical Disc Drive Optical Disc Drive Wireless Optical disc drives CDs DVDs Blu-ray™discs AC adaptor Page Hardware, Utilities and Options Hardware Processor Legal Footnote (CPU) Memory Legal Footnote (Memory (Main System)) Power Legal Footnote (Battery Life) Disks Legal Footnote (Hard Disk Drive (HDD) Capacity) Optical disc drive Display Power Saving Technology Vari-Bright™ Legal Footnote (LCD) Legal Footnote (Graphics Processor Unit ("GPU")) Sound Multimedia Communications Legal Footnote (Wireless LAN) Special features Intelligent power supply *1 in the Power Options Panel power on/off This feature automatically turns power to the Panel power on/off Low battery automatic Sleep Mode Sleep and Charge function USB Wakeup TOSHIBA PC Health Utilities and Applications TOSHIBA Face TOSHIBA Face Recognition uses a face Recognition verification library to verify the face data of users when they log in to Windows. If the verification is TOSHIBA Disc Creator TOSHIBA -> CD&DVD Applications -> Disc Creator TOSHIBA DVD-RAM Corel Digital Studio for TOSHIBA When Using Corel Digital Studio for TOSHIBA Corel Label@Once This application is the feature of Corel Digital Studio in some models TOSHIBA eco Utility -> TOSHIBA -> Utilities -> eco Utility Resolution+ Plug-in For Windows Media Player Optional devices Cards/memory Peripheral devices Other Memory media slot Points to note about the SD/SDHC/SDXC memory card Memory media format Formatting an SD/SDHC/SDXC memory card Card care Memory card care About the write-protect 3. Press the memory media gently to ensure a firm connection is made Removing a memory media 1.Open the Safely Remove Hardware and Eject Media icon on the Windows Taskbar 2.Point to memory media and click the left Touch Pad control button memory media 3. Grasp the media and pull it out of the computer to remove it Additional memory module You can access the inserted memory modules efficiently in dual channel Installing a memory module Page Removing a memory module 6.Slide your fingernail or a thin object under the cover and lift it off 8.Grasp the module by its edges and remove it from the computer 9. Seat the memory module cover in place and secure it with the screw 11.Turn your computer over External monitor Connecting the monitor cable Connecting the HDMI out port Settings for display video on HDMI Select HD Format HDMI 1.4 3D Video Follow the steps as detailed below to setup HDMI 1.4 3D Video 1.Connect to a television which supports 3D 2.Press FN+F5 and set display device to "HDMI device only 5.Click the Next button Next Optional accessories Battery Pack High Capacity Operating Basics Using the Touch Pad Web Camera Using the TOSHIBA Face Recognition How to register the Face Recognition Data 1:N Mode Login screen 1:1 Mode Login screen Using optical disc drives 3. Lay the disc, label side up, in the disc tray Removing discs Writing CD/DVD/Blu-ray™discs Please refer to the Writable discs ■CD-R/RWmedia cannot be accessed using the burn cd/dvd option in Media Center burn cd/dvd To write data to TOSHIBA Disc Creator Important message Before writing or rewriting with the Blu-ray™Writer drive CD-R: CD-RW: (Multi-Speedand High-Speed) CD-RW: (Ultra-Speed) DVD-R: DVD-RW: DVD Specifications for Recordable Disc for Version 1.1 or version Victor Company of Japan, Ltd. (JVC) (for 4x and 6x speed media) DVD+RW: DVD-RAM: Page Page 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 Operating System ■Start a communication application TOSHIBA Disc Creator ■DVD Video cannot be created using TOSHIBA Disc Creator ■DVD Audio cannot be created using TOSHIBA Disc Creator You cannot use TOSHIBA Disc Creator's "Audio CD" function to record music to DVD-RAM Data Verification How to learn more about TOSHIBA Disc Creator How to make a Labelflash DVD How to make a DVD-Videoor a Blu-rayDisc™ Movie How to learn more about Corel Digital Studio Important information for use TOSHIBA VIDEO PLAYER Windows logo Display Devices & Audio Appearance and Personalization Adjust resolution If the 3D playback feature Bring up windows such as ■Operate on Windows ■Operate on other applications 3D playback occurs only in ■3D video content can only be displayed on external display using HDMI Starting TOSHIBA VIDEO PLAYER Operating TOSHIBA VIDEO PLAYER Open TOSHIBA VIDEO PLAYER HELP Using WinDVD BD for TOSHIBA Tools 2.Select 3D Playback Prefer to play in 3D mode Notes on playing Blu-ray3D™ The 3D effect can be shown on external 3D enabled display/TV that supports HDMI Starting WinDVD BD for TOSHIBA Use the following procedure to start WinDVD BD for TOSHIBA When a to start WinDVD BD for TOSHIBA Operating WinDVD BD for TOSHIBA Media care Sound System Starting SmartAudio Application Opening SmartAudio Help Playback Devices Properties Adjusting Microphone Level Recording devices Levels Modem Connecting the modular cable To connect the modem's modular cable, follow the steps as detailed below: 1.Plug the end of the modular cable into the computer's modem jack 2.Plug the other end of the modular cable into a telephone jack Do not pull on the cable or move the computer while the cable is connected Wireless communications Setting Security Worldwide operation Radio links Bluetooth Stack for Windows by TOSHIBA Release Notes related to the Bluetooth Stack for Windows by TOSHIBA Product Support: LAN Connecting the LAN cable Disconnecting the LAN cable Computer Handling Using the TOSHIBA Sleep Utility Starting the TOSHIBA Sleep Utility Sleep Utility Enabling Sleep and Charge Enable Sleep and Charge Heat dispersal The Keyboard Typewriter keys Function keys: F1 … F9 Soft keys: FN key combinations Hot keys Wireless: Touch Pad: Zoom: Space Reduce: Windows special keys Generating ASCII characters Power and Power-UpModes Power conditions Monitoring of power condition Battery Battery pack Real Time Clock (RTC) battery Procedures Time Battery charging notice Maximizing battery operating time ■Processor speed ■Screen brightness ■System Sleep Mode ■System Hibernation Mode Removing the battery pack Installing the battery pack Password Utility Starting the computer by password Power-upmodes Panel power on/off System automatic Sleep/Hibernation HW Setup Accessing HW Setup HW Setup window General Setup Password User Password Owner String Boot Setting Boot Priority Options Panel Open - Power On Keyboard Wake-upon Keyboard LAN Wake-upon LAN USB Legacy USB Support SATA SATA Interface setting Troubleshooting Problem solving process Analyzing the problem Hardware and system checklist Overheating power down AC power Battery Power saver Select a power plan in the Power Options Real Time Clock Internal display panel Hard disk drive DVD Super Multi drive Blu-ray™drive Check the type of CD/DVD/Blu-rayDisc™ you are using. The drive supports: Blu-ray™ Writer/Blu-ray™ Combo:BD-ROM,BD BD-REDL DVD-ROM: DVD-ROM, DVD-Video, DVD-R Touch Pad -> Hardware and Sound -> Mouse Within the Mouse Properties window, click the Buttons tab Buttons Set the double-clickspeed as required and USB mouse Legacy USB Support Sound system Page Modem CONNECT CARRIER LAN Bluetooth TOSHIBA support Where to write Outside of Europe In Europe Australia Germany & Austria United States of America United Kingdom India The Rest of Europe Specifications Physical Dimensions Environmental Requirements Power Requirements speed 600 bps Data reception only with 56000 bps 2400/4800/7200/9600/12000/14400 bps Display Controller and Video mode Display controller Video mode Information for Wireless Devices Wireless LAN Interoperability Bluetooth wireless technology Interoperability CAUTION about Wireless Devices Wireless Devices and your health Radio Regulatory Information Europe Restrictions for Use of 2400.0-2483.5MHzFrequencies in Europe Restrictions for Use of 5150-5350MHzFrequencies in Europe Page Taiwan Using this equipment in Japan 1. Important notice 2. Indication for Wireless LAN 3. Indication for Bluetooth Radio approvals for wireless devices Page Page Page Page Page AC Power Cord and Connectors Europe: Finland: Sweden: Switzerland: Germany: United Kingdom: TOSHIBA PC Health Monitor Starting the TOSHIBA PC Health Monitor If a TOSHIBA PC Health Monitor message is displayed Legal Footnotes Non-applicableIcons CPU Memory (Main System) Battery Life Hard Disk Drive (HDD) Capacity LCD Graphics Processor Unit ("GPU") Wireless LAN Copy Protection Glossary HDMI: IDE: IEEE: I/O: IRQ: Index