Acer 751H 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 12.

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 Aspire one Series User GuidePage Turning the product off before cleaning Information for your safety and comfortSafety instructions Using electrical power Guidelines for safe battery usage Product servicingReplacing the battery pack Operating environmentMedical devices VehiclesPotentially explosive environments Emergency callsMercury advisory Disposal instructionsTips and information for comfortable use Finding your comfort zone Taking care of your visionDeveloping good work habits Xii 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 adapterPlease refer to Frequently asked questions on Taking care of your battery packCleaning and servicing Xvi Contents Securing your computer Acer eRecovery Management Acer eRecovery ManagementLaunching Acer eRecovery Management Indicators Function DescriptionFunction Left button Right Main touchpad Button TouchpadTouchpad basics with two-click buttons Using a computer security lock Using the keyboard Desired access Num Lock on Num Lock offLock keys and embedded numeric keypad Lock key DescriptionWindows keys KeyDescriptionApplication KeyHotkeys Hotkey Icon Function DescriptionUS dollar sign Euro symbolSpecial keys No audio is heard from the computer Frequently asked questionsNothing appears on the screen Keyboard does not respond Printer does not workBefore you call Requesting serviceInternational Travelers Warranty ITW Maximizing the batterys life Battery packBattery pack characteristics Installing and removing the battery pack Optimising battery life Charging the batteryChecking the battery level Battery-low warning Situation Recommended ActionDisconnecting from the desktop Taking your notebook PC with youMoving around Preparing the computerWhat to take with you Taking the computer homeWhat to bring to meetings Special considerations Setting up a home officeTraveling with the computer Traveling internationally with the computer What to bring with youSecuring your computer Using a computer security lockUsing passwords Entering passwords Setting passwordsConnectivity options Built-in network featureExpanding through options Bios utility Boot sequenceEnable disk-to-disk recovery Universal Serial Bus USBPower management PasswordError messages Corrective action Troubleshooting tipsError messages English Operation conditions Regulations and safety noticesFCC notice LCD pixel statement Radio device regulatory notice GeneralRemarque à lintention des utilisateurs canadiens Declaration of Conformity for EU countriesList of applicable countries FCC RF safety requirementEuropean Union EU English LCD panel ergonomic specifications Index