Power Supply Indicators

The voltage selection switch on the back panel of the system allows you to select one of two primary voltage inputs. Ensure that the switch is set to the proper voltage according to Table 1-4.

Table 1-4. Voltage Selection Switch

If your power source is: The voltage selection switch should be set to:

110 V

115

220 V

230

 

 

For information on system power requirements, see "Technical Specifications" in your Getting Started Guide.

Diagnostic Lights

The four diagnostic indicator lights on the system front panel display error codes during system startup. Table 1-5 lists the causes and possible corrective actions associated with these codes. A highlighted circle indicates the light is on; a non-highlighted circle indicates the light is off.

NOTE: Once the system completes POST, all diagnostic lights will be OFF.

Table 1-5. Diagnostic Indicator Codes

Code

Causes

Corrective Action

 

 

 

 

The computer is in a

Plug the computer into a working electrical

 

normal off condition or a

outlet and press the power button.

 

possible pre-BIOS failure

 

 

has occurred.

 

 

The diagnostic lights are

 

 

not lit after the system

 

 

successfully boots to the

 

 

operating system.

 

 

 

 

Possible processor failure. See "Troubleshooting the Microprocessor" on

 

 

page 95.

 

 

 

 

Memory failure.

See "Troubleshooting System Memory" on

 

 

page 87.

 

 

 

 

Possible expansion card

See "Troubleshooting Expansion Cards" on

 

failure.

page 93.

About Your System

15

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Dell KH934 owner manual Diagnostic Lights, Power Supply Indicators

KH934 specifications

The Dell KH934 is a high-performance laptop designed to meet the demands of both professional users and tech enthusiasts. Sporting a sleek and modern design, it combines aesthetic appeal with robust functionality, making it a versatile choice for a wide range of applications.

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Storage options on the KH934 include high-speed SSD drives that provide quick boot times and rapid data access. This is particularly beneficial for professionals who frequently work with large files or need to access applications swiftly. The laptop also supports expandable storage, allowing users to customize their experience based on their needs.

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