Dell Precision T5500 Support Question
Dell Precision T5500 Support Question
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Question posted by gogomih on August 19th, 2014
Dell Precision T5500 Cannot Power Up
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Current Answers
Answer #1: Posted by freginold on September 13th, 2014 4:07 PM
freginold
Member since:
December 20th, 2011 Points: 23,253,885
Member since:
December 20th, 2011 Points: 23,253,885
Often when a computer won't turn on, it's because one of two components has failed: either the power supply unit or the motherboard (assuming you've ruled out the power coming in from the wall or surge protector as the problem).
Power supplies are generally not terribly expensive, compared to other components. If you're not getting any power at all, the power supply is a likely culprit. It's a much cheaper option to try than the motherboard. If you have a voltmeter or a power supply tester, you can check the power supply to verify that it's not supplying any power.
The motherboard is expensive to replace, so if you think the motherboard is the problem (if you've tried the power supply or ruled it out as the problem) it might be cheaper to get a new computer than have the motherboard repaired or replaced.
Power supplies are generally not terribly expensive, compared to other components. If you're not getting any power at all, the power supply is a likely culprit. It's a much cheaper option to try than the motherboard. If you have a voltmeter or a power supply tester, you can check the power supply to verify that it's not supplying any power.
The motherboard is expensive to replace, so if you think the motherboard is the problem (if you've tried the power supply or ruled it out as the problem) it might be cheaper to get a new computer than have the motherboard repaired or replaced.
Related Dell Precision T5500 Manual Pages
Setup and Features Information Tech Sheet - Page 1
Dell Precision™ Workstation T5500/T5500n Setup and Features Information
Tower - Front and Back View
12
17
1
11 13
14
2
10
3
9
4
16
5
8
6 7
15
1 optical drives (2) 3 headphone connector 5 power button, power light 7 diagnostic lights (4)
June 2009
2 link integrity light 4 microphone connector 6 Dell rotatable badge 8 USB 2.0 connectors (2)
Model: DCTA About Warnings
WARNING...
Service Manual - Page 1
... Microsoft® Windows® operating systems are not followed. Blu-ray Disc is a registered trademark owned by Dell under license; and the Windows Vista start button are registered trademarks of your computer. Dell Precision™ T5500 Service Manual
Working on Your Computer Adding and Replacing Parts Specifications Diagnostics About Memory About Your System Board...
Service Manual - Page 2
...with your computer, read the safety information that shipped with a promise of a power consumption reduction of 30% compared to current commercial DDR2 modules due to 8 gigabit,...Standard name Memory clock Cycle time I /O bus at www.dell.com/regulatory_compliance. About Memory
Dell Precision™ T5500 Service Manual
Memory Modules Supported Memory Configurations Memory Subsystem Memory Slots...
Service Manual - Page 5
...For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance. About Your System Board
Dell Precision™ T5500 Service Manual System Board Schematic Clearing Forgotten Passwords Clearing CMOS Settings
System Board Schematic
1 Main Power Connector (POWER1)
15 Type A USB Port (INT_USB2)
2 SATA Connectors (SATA0-4)
16 CPU Riser...
Service Manual - Page 7
...-right corner of the screen displays help information for that option.
Follow the on the screen. To the right of the screen. System Setup
Dell Precision™ T5500 Service Manual
POST Keystrokes Boot Menu Entering System Setup System Setup Navigation Keystrokes
POST Keystrokes
Your computer has several keystroke options available during system boot...
Service Manual - Page 9
...logo appears, continue to wait until you see the Microsoft® Windows® desktop. When the Dell Diagnostics Main Menu appears, select the test that you want to run . On... utility partition has been found, run .
Diagnostics
Dell Precision™ T5500 Service Manual
Dell Diagnostics Power Button Light Codes Diagnostic Light Codes Pre-POST Diagnostic Light Patterns POST Diagnostic...
Service Manual - Page 14
Adding and Replacing Parts
Dell Precision™ T5500 Service Manual
Cover Battery Drives Bezel Hard Drive Tray Front Fan Assembly Memory Card Reader Memory Dual Processor Riser (Optional) System Board
I/O Data Cable Chassis Intrusion Switch Front Bezel Hard Drive Floppy Drive Optical Drive Expansion Cards Heat Sink and Processor Power Supply
Service Manual - Page 15
... slot Connector pins Connector data width (maximum)
120 pins 32 bits
One PCI-X slot Connector pins Connector data width (maximum)
188 pins 64 bits Specifications
Dell Precision™ T5500/T5500n Service Manual Processors System Information Memory Video Audio Expansion Bus
Drives Connectors Controls and Lights Power Physical Environmental
NOTE: Offerings may vary by region.
Service Manual - Page 18
...
1. Use a small screw driver or a scribe to press down the coin-cell release tab. Follow the procedures in Before Working Inside Your Computer. 2. Battery
Dell Precision™ T5500 Service Manual WARNING: Before working inside your computer, read the safety information that shipped with your computer.
Remove the computer cover.
4. For additional safety best...
Service Manual - Page 20
Removing the Cover
1. Draw the cover away from the computer. For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance.
Cover
Dell Precision™ T5500 Service Manual WARNING: Before working inside your computer, read the safety information that shipped with your computer. Slide the cover release latch toward the...
Service Manual - Page 22
...
1. For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance. Press and hold the sliding-plate lever toward the base of the computer to release the drives bezel. Hard-drive Bezel
Dell Precision™ T5500 Service Manual WARNING: Before working inside your computer, read the safety information that...
Service Manual - Page 25
... tab. For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance. Remove the computer cover.
3. Removing the Front Bezel
1.
Follow the procedures in Before Working Inside Your Computer. 2. Front Bezel
Dell Precision™ T5500 Service Manual WARNING: Before working inside your computer, read the safety information that...
Service Manual - Page 28
... Assembly
Dell Precision™ T5500 Service Manual WARNING: Before working inside your computer, read the safety information that shipped with your computer. Remove the memory shroud.
5. Follow the procedures in Before Working Inside Your Computer. 2. Remove the computer cover. 3. For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com...
Service Manual - Page 31
... procedures in Before Working Inside Your Computer. 2. Connect the power and data cables to release the floppy drive. 7. For additional safety best practices information,...5.
Push the sliding plate lever down . 7. Remove the computer cover. 3. Floppy Drive
Dell Precision™ T5500 Service Manual
WARNING: Before working inside your computer, read the safety information that shipped with ...
Service Manual - Page 32
Removing the Hard Drives
1. Disconnect the power cable from the first hard drive. Hard Drives
Dell Precision™ T5500 Service Manual WARNING: Before working inside your computer, read the safety information that shipped with your computer. Remove the computer cover.
3. Follow the procedures in ...
Service Manual - Page 39
Lift up the expansion card retention arm. Follow the procedures in Before Working Inside Your Computer. 2. Removing the Chassis Intrusion Switch
1. Chassis Intrusion Switch
Dell Precision™ T5500 Service Manual WARNING: Before working inside your computer, read the safety information that shipped with your computer. Remove the computer cover.
3. For additional safety best ...
Service Manual - Page 47
... the computer. Remove the drives bezel. 5. Memory Card Reader
Dell Precision™ T5500 Service Manual
WARNING: Before working inside your computer, read the ...bezel. 4. Follow the procedures in Before Working Inside Your Computer. 2. Disconnect the power and data cables from the computer. Connect the power and data cables to release the memory card reader. 7. Remove the memory card...
Service Manual - Page 48
... Inside Your Computer. 2. Remove the computer cover.
3.
Disconnect the power cable from the back of the optical drive. For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance. Removing the Optical Drive
1. Optical Drive
Dell Precision™ T5500 Service Manual WARNING: Before working inside your computer, read the...
Service Manual - Page 65
Power Supply
Dell Precision™ T5500 Service Manual WARNING: Before working inside your computer, read the safety information that shipped with your computer. For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance. Remove the four screws securing the power supply on the outside of the computer. Removing the Power ...
Service Manual - Page 79
...to dissipate static electricity, which could harm internal components. Press and hold the power button while the system is unplugged to avoid bending any connector pins.
In Windows...are correctly oriented and aligned. Recommended Tools
The procedures in on Your Computer
Dell Precision™ T5500 Service Manual
Before Working Inside Your Computer Recommended Tools Turning Off Your Computer...
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