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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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Acer Aspire One AO722-0473, LU.SGA0D.068, LU.SGA0D.066, one manual Troubleshooting tips, Error messages Corrective action

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.

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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.

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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.