Lenovo G455, G555 manual Troubleshooting Sound problems, Battery problems, Hard disk drive problem

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Chapter 5. Troubleshooting

Sound problems

No sound can be heard from the	• Make sure that:
speaker even when the volume is	- The Mute function is off.
turned up.	- The headphone jack is not used.
	- Speakers is selected as a playback device.

Battery problems

Your computer shuts down before the battery status indicator shows empty.

-or-

Your computer operates after the battery status indicator shows empty.

The operating time for a fully charged battery is short.

The computer does not operate with a fully charged battery.

The battery does not charge.

•Discharge and recharge the battery.

•For details, see “Handling the battery” in Chapter 2.

•The surge protector in the battery might be active. Turn off the computer for one minute to reset the protector; then turn on the computer again.

•For details, see “Handling the battery” in Chapter 2.

A hard disk drive problem

The hard disk drive does not work.	• In the Boot menu in BIOS Setup Utility, make sure that the hard
	disk drive is included in the Boot priority order correctly.

A startup problem
The Microsoft® Windows operating	• Use the OneKey Rescue System to help solve or identify your
system does not start.	problem. For details about OneKey Rescue System, see “Chapter 4.
	OneKey Rescue System” on page 22.

OneKey Rescue System problems
Backup cannot be made.	• You are not currently using a Windows operating system.
	• There is not enough space to store the backed up data. You will need
	to free more hard disk space on your system partition (C drive).
Fail to restore system partition to	• The system partition, such as the partition size or the drive capacity
factory default.	of C, has been modified.

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Contents Lenovo G455/G555 First Edition January Copyright Lenovo Respective Users Dear user Explanation of hard disk capacityContents Working place Important safety information„ Read this first UnpackOn using Important safety informationService and upgrades „ Lenovo G555 Getting to know your computerGetting to know your computer „ Lenovo G455Touchpad Power buttonSpecific models only Models only Computer displayVGA port Kensington slotFan louvers RJ-45 portOptical drive Right-side viewMicrophone jack Headphone jack „ Lenovo G555 „ Lenovo G455Speakers Bottom view Battery latch manual Battery pack Memory/Wireless „ Read the manuals „ Connect to the power„ Configure the operating system Learning the basicsPutting your computer into sleep state „ Shutting down your computerLearning the basics „ Removing the battery pack Using AC adapter and battery„ Checking battery status „ Charging the batteryLeft click button „ Handling the batteryG555 „ Numeric keypadG455 „ Function key combinations OneKey Rescue System button a „ OneKey Rescue System buttonSystem status indicators Utility „ Using VeriFace„ Using passwords „ Attaching a security lock not suppliedRemoving a memory card „ Using memory cards not supplied„ Connecting a universal serial bus USB device Inserting a memory cardTo send files from the computer to the paired device Enabling Bluetooth communicationsPairing with a Bluetooth enabled device „ Hardware connection Using the computer network„ Software configuration Wireless network technology connect without wiringHardware connection Wi-Fi/WiMax network „ Using Wi-Fi/WiMax specific models onlyUsing the computer network Enabling wireless connection„ Introduction OneKey Rescue SystemOneKey Rescue System Frequently asked questions TroubleshootingWhen do I need to restore the system to the factory status? TroubleshootingWhat can I do if the backup process fails? Keyboard problems Display problemsPassword problem Computer screen problems Troubleshooting Sleep or hibernation problemsStartup problem Troubleshooting Sound problemsBattery problems Hard disk drive problemYour computer does not respond Troubleshooting Other problemsUpgrading and replacing devices „ To replace the batteryHandling a hard disk drive Upgrading and replacing devicesUpgrading and replacing devices 111 Upgrading and replacing devices Removing the optical drive Upgrading and replacing devices Getting help on the Web Appendix A. Getting help and serviceGetting help around the world Appendix A. Getting help and serviceWarranty Service Telephone Numbers „ Notice of static-electricity „ Be careful about where and how you workAppendix B. Use and care information „ Handle storage media and drives properly „ Be gentle with your computer„ Carry your computer properly „ For outdoor use„ Other important tips „ Data safety„ Take care in setting passwords „ Questions about vision? Accessibility and comfort„ Ergonomic information „ What if you are traveling?„ General tips for maintenance „ Cleaning your computer display „ Cleaning the cover of your computer„ Cleaning your computer keyboard „ What your service provider will do to correct problems Appendix C. Lenovo limited warranty„ What this warranty covers „ How to obtain warranty serviceInformation „ Replacement of a product or partAppendix C. Lenovo limited warranty „ Your additional responsibilities„ Limitation of liability „ What this warranty does not cover„ Use of personal information „ European Economic Area EEA „ Dispute resolution„ Other rights Lenovo Technology B.V. Turkiye Istanbul Subesi „ Lenovo Turkey addressCustomer Carry-In or Mail-In Service „ Types of warranty serviceCustomer Replaceable Unit CRU Service On-site Service Courier or Depot ServiceAppendix C. Lenovo limited warranty Product Exchange Service Appendix D. Customer replaceable units CRUs Appendix E. Notices Appendix E. Notices „ Export classification noticeWindows Vista Windows XPWindows „ Wireless interoperability Wireless related information„ Usage environment and your health „ Safety information related to Mobile Broadband„ Federal Communications Commission FCC Statement Electronic emissions notices„ German Class B Compliance Statement „ Industry Canada Class B Emission Compliance Statement„ Avis de conformité à la réglementation d’Industrie Canada „ European Union Compliance Statement Class B Compliance „ General recycling statement „ Japan Compliance Statement for Power line Harmonics„ Korea Class B Weee and recycling statements„ Disposing of a Lenovo Computer Components EU Weee statementsAppendix E. Notices „ Read first regulatory information Factory preinstalled Wireless LAN/WiMAX moduleAppendix F. Lenovo regulatory notice Lenovo regulatory noticeAppendix F. Lenovo regulatory notice II. Preinstalled integrated Bluetooth moduleIC Certification number Factory preinstalled Wireless LAN modulesII Preinstalled integrated Bluetooth module „ Canada Industry Canada ICNuméro d’homologation IC Modules de réseaux local sans fil pré-installé à l’usineII Module Bluetooth intégré préinstallé IV Exposure of humans to RF fields RSS-102Federal Communications Commission FCC Statement „ Electronic emission notices„ Europe EU Declaration of Conformity Tested To Comply With FCC StandardsAppendix F. Lenovo regulatory notice Appendix F. Lenovo regulatory notice For model BCM94313HMG2L For model AR5B95 For model BCM943225HM For model BCM92046MDGEN Declaration of Conformity Restriction de bande de fréquence de l’Union Européenne EU Frequency band restriction Περιορισμός ζώνης συχνοτήτων ΕΕ Begränsning för EU-frekvensband Takmarkanir ESB á tíðnisviði Restrizzjoni fuq il-faxxa tal-frekwenza ta’ l-UE „ Notice for users in Morocco „ Notice for users in Pakistan„ Notice for users in Ukraine For model BCM943225HM „ Notice for users in in CroatiaFor model BCM94313HMG2L For model AR5B93 For model AR5B95 For model BCM92046MDGEN BCM94313HMG2L „ Notice for users in Brazil„ Notice for users in Saudi Arabia For model AR5B95 For model AR5B93 For model BCM943225HM For model BCM92046MDGEN „ Notice for users in UAE „ Notice for users in Indonesia „ Notice for users in India„ Notice for users in the Philippines „ Notice for users in MalaysiaFor model BCM94313HMG2L For model AR5B95 „ Notice for users in Singapore„ Notice for users in Taiwan „ Notice for users in Thailand100 BCM94313HMG2L, AR5B95, AR5B93, BCM943225HM, BCM92046MDGEN „ Notice for users in South Africa Appendix G. Features and specifications Trademarks 105 Index106 Do not Return IT to the Store New World. New Thinking.TM