Dell T7500 service manual Power Button Light Codes, Option Function, Tab Function

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6.Select Run the 32 Bit Dell Diagnostics from the numbered list. If multiple versions are listed, select the version appropriate for your computer.

7.When the Dell Diagnostics Main Menu appears, select the test you want to run.

Dell Diagnostics Main Menu

1. After the Dell Diagnostics loads and the Main Menu screen appears, click the button for the option you want.

Option

Function

Express

Performs a quick test of devices. This test typically takes 10 to 20 minutes and requires no interaction on

Test

your part. Run Express Test first to increase the possibility of tracing the problem quickly.

Extended

Performs a thorough check of devices. This test typically takes 1 hour or more and requires you to answer

Test

questions periodically.

Custom

Tests a specific device. You can customize the tests you want to run.

Test

 

Symptom

Lists the most common symptoms encountered and allows you to select a test based on the symptom of the

Tree

problem you are having.

2.If a problem is encountered during a test, a message appears with an error code and a description of the problem. Write down the error code and problem description and follow the instructions on the screen.

3.If you run a test from the Custom Test or Symptom Tree option, click the applicable tab described in the following table for more information.

Tab

Function

Results

Displays the results of the test and any error conditions encountered.

Errors

Displays error conditions encountered, error codes, and the problem description.

Help

Describes the test and may indicate requirements for running the test.

Configuration Displays your hardware configuration for the selected device.

The Dell Diagnostics obtains configuration information for all devices from system setup, memory, and various internal tests, and it displays the information in the device list in the left pane of the screen. The device list may not display the names of all the components installed on your computer or all devices attached to your computer.

Parameters

Allows you to customize the test by changing the test settings.

4.When the tests are completed, if you are running the Dell Diagnostics from the Drivers and Utilities disc, remove the disc.

5.Close the test screen to return to the Main Menu screen. To exit the Dell Diagnostics and restart the computer, close the Main Menu screen.

Power Button Light Codes

The diagnostic lights give much more information about the system state, but legacy power light states are also supported in your computer. The power light states are shown in following table.

Power

Light

State

Off

Blinking Amber

Solid Amber

Description

Power is off, light is blank.

Initial state of light at power up.

Indicates system has power, but the POWER_GOOD signal is not yet active.

If the Hard Drive light is off, it is probable that the power supply needs to be replaced.

If the Hard Drive light on, it is probable that an onboard regulator or VRM has failed. Look at the diagnostic lights for further information.

Second state of the light at power up. Indicates the POWER_GOOD signal is active and it is probable that

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Contents Rev. A01 Before Working Inside Your Computer Working on Your ComputerWindows XP Click Start→ Turn Off Computer→ Turn Off Turning Off Your ComputerAfter Working Inside Your Computer Windows VistaAdding and Replacing Parts Video ProcessorSystem Information MemoryDrives ConnectorsExpansion Bus Controls and Lights USBEnvironmental PowerPhysical 1985 Dell Diagnostics DiagnosticsTab Function Power Button Light CodesOption Function Pre-POST Diagnostic Light Patterns Diagnostic Light CodesPost Diagnostic Light Patterns Beep Codes Beep Description Code System Beep CodesAbout Memory Memory Subsystem Memory Population Rules Page About Your System Board System Board SchematicClearing Cmos Settings Clearing Forgotten PasswordsPage Post Keystrokes System SetupBoot Menu Entering System SetupAction Keystroke System Setup Navigation KeystrokesNavigation Keystrokes Removing the Cover CoverPage Page Removing the Battery BatteryRemove the coin-cell battery from the computer Page Removing the Hard Drives Hard DrivesPage Page Page Removing the Hard-drive Cage Hard-drive CagePage Repeat the process for the second hard-drive cage Page Removing the Front Fan Assembly Front Fan AssemblyPage Remove the fan assembly from the computer Page Removing the Memory Shroud Memory ShroudRemove the memory shroud from the computer Removing an Expansion Card Expansion CardsPage Page Removing the Processor Fan Processor FanPage Remove the chipset fan from the computer Page Removing the Dual Processor Riser Guide Dual Processor Riser GuidePage Page Page Removing the Power Supply Power SupplyPage Page Page Removing the Chassis Intrusion Switch Chassis Intrusion SwitchPage Page Page Removing the Hard-drive Bezel Hard-drive BezelPage Page Removing the Hard Drive Fan Hard Drive FanPage Page Removing the Optical Drive Optical DrivePage Page Page Removing the Rear Fan Rear FanPage Remove the fan from the computer Page Removing the Memory Modules MemoryPage Page Removing the Heat Sink and Processor Heat Sink and ProcessorPage Page Remove the processor from the computer Page Removing the Optional Dual Processor Riser Dual Processor Riser OptionalPage Page Page Page Page Page Page Page Removing the I/O Panel PanelDisconnect the data cable Disconnect the USB cable Page Page Removing the System Board System BoardPage Page Disconnect the floppy cable Disconnect the I/O panel cable Page Page Page Page Remove the system board from the chassis
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