Asus K53EXR4 Hardware Problem Built-in Camera, Hardware Problem Battery, Battery maintenance

Hardware Problem - Built-in Camera

The built-in camera does not work correctly.

1.Check “Device Manager” to see if there are any problems.

2.Try reinstalling the webcam driver to solve the problem.

3.If the problem is not solved, update the BIOS to the latest version and try again.

4.If the problem still exist, contact your local service center and ask an engineer for assistance.

Hardware Problem - Battery

Battery maintenance.

1.Register the Notebook PC for a one-year-warranty using the following website: http://member.asus.com/login.aspx?SLanguage=en-us

2.Do NOT remove the battery pack while using the Notebook PC with the AC adaptor to prevent damage caused by the accidental power loss.The ASUS battery pack has protection circuitry to prevent over-charging so it will not damage the battery pack if it is left in the Notebook PC.

Hardware Problem - Power ON/OFF Error

I cannot power ON the Notebook PC.

Diagnostics:

1.Power On by Battery only? (Y = 2, N = 4)

2.Able to see BIOS (ASUS Logo)? (Y = 3, N = A)

3.Able to load the OS? (Y = B, N = A)

4.Adapter power LED ON? (Y = 5, N = C)

5.Power ON by Adapter only? (Y = 6, N = A)

6.Able to see BIOS (ASUS Logo)? (Y = 7, N = A)

7.Able to load the OS? (Y = D, N = A)

A-8 Notebook PC User Manual