Acer 4120 manual Troubleshooting tips, Error messages Corrective action

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English

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Troubleshooting

This chapter shows you how to deal with common system problems. Read it before calling a technician if a problem occurs. Solutions to more serious problems require opening up the computer. Do not attempt to open the computer yourself; contact your dealer or authorized service center for assistance.

Troubleshooting tips

This notebook PC incorporates an advanced design that delivers onscreen error message reports to help you solve problems.

If the system reports an error message or an error symptom occurs, see "Error messages" below. If the problem cannot be resolved, contact your dealer. See "Requesting service" on page 45.

Error messages

If you receive an error message, note the message and take the corrective action. The following table lists the error messages in alphabetical order together with the recommended course of action.

Error messages

Corrective action

 

 

CMOS battery bad

Contact your dealer or an authorized service center.

 

 

CMOS checksum error

Contact your dealer or an authorized service center.

 

 

Disk boot failure

Insert a system (bootable) disk into the floppy drive

 

(A:), then press <Enter> to reboot.

 

 

Equipment

Press <F2> (during POST) to enter the BIOS utility,

configuration error

then press Exit in the BIOS utility to reboot.

 

 

Hard disk 0 error

Contact your dealer or an authorized service center.

 

 

Hard disk 0 extended

Contact your dealer or an authorized service center.

type error

 

 

 

I/O parity error

Contact your dealer or an authorized service center.

 

 

Keyboard error or no

Contact your dealer or an authorized service center.

keyboard connected

 

 

 

Keyboard interface

Contact your dealer or an authorized service center.

error

 

 

 

Memory size mismatch

Press <F2> (during POST) to enter the BIOS utility,

 

then press Exit in the BIOS utility to reboot.

 

 

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Contents Extensa 4420/4120 Series Users GuidePage Information for your safety and comfort Safety instructionsTurning the product off before cleaning Using electrical power Guidelines for safe battery usage Product servicingReplacing the battery pack Potentially explosive environmentsAdditional safety information Telephone line safetyOperating environment Medical devicesVehicles Potentially explosive environmentsEmergency calls Disposal instructions Mercury advisoryTips and information for comfortable use Finding your comfort zone Taking care of your visionDeveloping good work habits Basic care and tips for using your computer First things firstYour guides Turning your computer on and offTaking care of your computer Taking care of your AC adapterTaking care of your battery pack Cleaning and servicingPlease refer to Frequently asked questions on Xvi Contents Using a computer security lock Audio Acer eRecovery Management Page Acer Empowering Technology Empowering Technology passwordAcer eNet Management Empowering Technology Acer ePower Management Using power plansTo create a new power plan To switch between power plansTo delete a power plan Battery statusAcer ePresentation Management Acer eDataSecurity Management for selected models Acer eLock Management Empowering Technology Acer eRecovery Management Empowering Technology Acer eSettings Management Windows Mobility Center for Windows Vista only Empowering Technology Your Acer notebook tour Front viewDescription Easy-launch buttons on page 26 for more details Launch buttons on page 26 for more detailsClosed front view Icon DescriptionLeft view # Icon DescriptionRight view Rear viewBase view Specifications English English English Indicators Icon Function DescriptionIcon Easy-launch button Default application Easy-launch buttonsIcon Productivity key Default application Touchpad Touchpad basicsFunction Left Right Main touchpad Center button Button Using the keyboard Desired access Num Lock on Num Lock offLock keys and embedded numeric keypad Lock key DescriptionWindows keys KeyDescriptionHotkeys Hotkey Icon Function Description Fn + ↑ Fn + ↓Fn + → Fn + ←Euro symbol Special keysUS dollar sign Ejecting the optical CD or DVD drive tray Using a computer security lock Adjusting the volume AudioUsing the system utilities Acer GridVista dual-display compatibleLaunch Manager Norton Internet Security How do I check for viruses?Select Tasks & Scans NTI Shadow Frequently asked questions Nothing appears on the screenImage is not full-screen No audio is heard from the computer Keyboard does not respondInfrared port does not work Printer does not workWant to set up my location to use the internal modem Requesting service International Travelers Warranty ITWBefore you call Battery pack Battery pack characteristicsMaximizing the batterys life Installing and removing the battery pack Charging the battery Checking the battery levelOptimising battery life Battery-low warning Situation Recommended ActionDisconnecting from the desktop Taking your notebook PC with youMoving around Preparing the computerTaking the computer home What to bring to meetingsWhat to take with you Setting up a home office Traveling with the computerSpecial considerations Traveling internationally with the computer What to bring with youUsing a computer security lock Using passwordsSecuring your computer Entering passwords Setting passwordsExpanding through options Connectivity optionsFax/data modem Built-in network feature Fast Infrared FIRUniversal Serial Bus USB Ieee 1394 portPC Card slot Inserting a PC CardEjecting a PC Card Bios utility Boot sequenceInstalling memory Enable disk-to-disk recovery PasswordUsing software Playing DVD moviesAcer eRecovery Management Create backupBurn backup disc Restore and recoveryTroubleshooting tips Error messagesError messages Corrective action English Regulations and safety notices FCC noticeOperation conditions Modem notices Remarque à lintention des utilisateurs canadiensDeclaration of Conformity for EU countries TBR List of applicable countriesEnglish Laser compliance statement LCD pixel statementMacrovision copyright protection notice Article 3.1a Health and Safety Radio device regulatory notice GeneralEuropean Union EU Article 3.1b EMCEnglish FCC RF safety requirement English LCD panel ergonomic specifications USA Acer Computer Shanghai Limited EN60950-12001 EN600652002 applied to models with TV functionIndex English