Acer Aspire One AO722-0473, one 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 servicingOperating environment Additional safety informationReplacing the battery pack Medical devices VehiclesPotentially explosive environments Emergency callsDisposal instructions Mercury advisoryFinding your comfort zone What is Energy STAR? Acer Energy Star qualified productsTips and information for comfortable use Taking care of your vision Developing good work habitsXii 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

one, Aspire One AO722-0473, LU.SGA0D.066, LU.SGA0D.068 specifications

The Acer LU.SGA0D.068 and LU.SGA0D.066 are notable displays designed for various computing needs, particularly in delivering optimal visual performance for both personal and professional use. These models are often utilized with Acer’s Aspire One AO722-0473, a popular ultraportable laptop that combines performance and functionality in a compact design.

The Aspire One AO722-0473 features an 11.6-inch HD display, offering a resolution of 1366 x 768 pixels. This display ensures sharp image quality and clarity, making it suitable for both multimedia consumption and productivity tasks. The device is powered by an AMD Fusion E-450 dual-core processor, which provides a balanced performance for everyday computing activities such as web browsing, document editing, and video streaming.

One of the key characteristics of the Aspire One AO722-0473 is its lightweight and portable design. Weighing in at just over three pounds, this laptop is easy to carry around, making it an excellent choice for students and professionals on the go. Additionally, its slim profile allows for effortless storage in backpacks or bags.

In terms of connectivity, the Aspire One AO722-0473 comes equipped with various ports, including USB 2.0 and HDMI outputs, allowing users to connect external devices easily. The inclusion of integrated Wi-Fi enables seamless online connectivity, while Bluetooth capabilities offer further flexibility in connecting to peripherals such as headphones and keyboards.

The laptop is also designed with user comfort in mind, featuring a comfortable keyboard layout and a responsive touchpad. Battery life is another highlight, as the Aspire One AO722-0473 can last up to 8 hours on a single charge, ensuring that users can remain productive throughout the day without worrying about frequent recharges.

Overall, the Acer LU.SGA0D.068, LU.SGA0D.066 displays, alongside the Aspire One AO722-0473 laptop, represent a combination of advanced display technology and portable computing power, making them ideal for a wide range of applications from entertainment to professional tasks. Their blend of performance, design, and connectivity ensures a satisfying user experience for both casual and power users alike.
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