HP Dx5150 Support Question
HP Dx5150 Support Question
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Question posted by robjco on September 21st, 2014
Hp Dx5150 Small Form Does Not Start Up At Power On
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Current Answers
Answer #1: Posted by freginold on November 23rd, 2014 9:37 AM
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 themotherboard (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 HP Dx5150 Manual Pages
Testing on HP Business Desktop PCs - Page 4
Testing includes:
• Signal Integrity Testing-This helps ensure proper signal quality on Business Desktop PCs to replicate the manner in the power supply remain within HP Business Desktop specifications while running a variety of testing on all supported low-power states including S1, S3, S4, and S5. Additionally, voltage stress testing is comprehensive validation and ...
ASF 2.0 Support, Enablement, and Configuration on HP Compaq Business Desktop Platforms - Page 1
ASF 2.0 Support, Enablement, and Configuration on HP Compaq Business Desktop Platforms
Introduction 2 Supported features 2 Enablement and configuration 3 ASF 2.0 example and use case 6 Summary 7
1
ASF 2.0 Support, Enablement, and Configuration on HP Compaq Business Desktop Platforms - Page 2
... to remotely control the power state of the PC.
System Boot Failure: BIOS Watchdog Timer - A timer started at system startup and cleared at specified intervals that enable the IT administrator to easily deploy ASF solutions within a Microsoft Windows environment. ASF performs completely out of band and only relies on HP Compaq Business Desktops. If the timer...
ASF 2.0 Support, Enablement, and Configuration on HP Compaq Business Desktop Platforms - Page 7
... services. Microsoft, MS-DOS, Windows, and Windows NT are set forth in this document is meant to educate IT Administrators about the features supported by HP Compaq Business Desktops, and provide use cases regarding what makes this technology useful to change without notice. References
ASF 2.0 specification
Broadcom's ASF page and white papers
Alert Standard...
Runtime Power Management v1.0 - Page 4
...HP dx5150 systems is linked to Auto (enabled). All future Microsoft operating systems will include Cool'n'Quiet support. You can enable or disable the AMD Cool'n'Quiet option in the Power... detailed information about the relationship between power management scheme and control policy. All future Microsoft operating systems will include EIST support. Starts at a given time. There is...
HP Business Desktop dx5150 Series Service Reference Guide, 1st Edition - Page 6
... 3-5 3.4.4 Replicating Your Setup 3-5 3.4.5 Dual-State Power Button 3-8 3.4.6 World Wide Web Site 3-9 3.4.7...Recovery 3-15 3.6.1 Surge-Tolerant Power Supply 3-15 3.6.2 Thermal Sensor 3-15
4 Serial and... 4.1.2 SATA Power Cable 4-2
4.2 PATA Hard Drive Information 4-2 4.2.1 PATA Data Cable 4-3 4.2.2 PATA Power Cable 4-3 ... Microtower (MT 5-1 5.1.2 Small Form Factor (SFF 5-2
5.2 ...
HP Business Desktop dx5150 Series Service Reference Guide, 1st Edition - Page 8
Small Form Factor (SFF) Chassis
7.1 Preparation for Disassembly ...External 3.5-inch Drive 7-17 7.8.6 Primary Hard Drive 7-19 7.9 Front I/O Devices 7-21 7.10 Power Switch Assembly 7-22 7.11 Speaker 7-23 7.12 Chassis Fan 7-24 7.13 Battery 7-25 ...7.16 System Board 7-30 7.17 Power Supply 7-32
A Connector Pin Assignments
B Power Cord Set Requirements
C POST Error Messages
D Troubleshooting Without...
HP Business Desktop dx5150 Series Service Reference Guide, 1st Edition - Page 52
... but damage occurs. Networks built into many cases, the discharge contains enough power to be affected at all and can destroy static-sensitive devices or microcircuitry.... silicon junctions.
5-2
361685-001
Service Reference Guide, dx5150 Identifying the Chassis, Routine Care, and Disassembly Preparation
5.1.2 Small Form Factor (SFF)
5.2 Electrostatic Discharge Information
A sudden discharge...
HP Business Desktop dx5150 Series Service Reference Guide, 1st Edition - Page 95
...is plugged into an active AC outlet. Disconnect the power cord from the electrical outlet and then from the computer. 5. Service Reference Guide, dx5150
361685-001
7-1 Turn off the computer before servicing...removed.
Ä CAUTION: The screws used in the "Standby" or "Suspend" modes. Small Form Factor (SFF) Chassis
Adherence to verify that all components operate properly.
✎ Not ...
HP Business Desktop dx5150 Series Service Reference Guide, 1st Edition - Page 96
...both the access panel and the chassis.
7-2
361685-001
Service Reference Guide, dx5150 Small Form Factor (SFF) Chassis
7.2 External Security Devices
7.2.1 Cable Lock
The cable lock... secure the computer to a fixed object. As shown, there are two acceptable methods for added security, HP recommends that you use the method shown on the left where the cable lock penetrates both methods work, for...
HP Business Desktop dx5150 Series Service Reference Guide, 1st Edition - Page 98
...2 back about 1.3 cm (0.5 inch), then lift it into the locked position.
7-4
361685-001
Service Reference Guide, dx5150 When installing the access panel, press down on the top of the computer 1. 3.
Prepare the computer for disassembly (...sliding it off and that the power cord is disconnected from the electrical outlet. 2. Small Form Factor (SFF) Chassis
7.3 Computer Access Panel
1.
HP Business Desktop dx5150 Series Service Reference Guide, 1st Edition - Page 105
... on the drive. Service Reference Guide, dx5150
361685-001
7-11 Keep the cable clear of the drive cage and secures the diskette drive power cable. The cable clip 4 is stamped...cables in the computer: 1. Small Form Factor (SFF) Chassis
7.8.2 Cable Management
Ä CAUTION: You must keep the drive data and power cables clear of the power supply and the power supply fan to a sharp ...
HP Business Desktop dx5150 Series Service Reference Guide, 1st Edition - Page 106
... cover to lay properly by themselves. Grasp the cable end of the connector 1. 2. Small Form Factor (SFF) Chassis
■ Never bend a SATA data cable tighter than a 30 mm (1.18 in a failed power supply.
7-12
361685-001
Service Reference Guide, dx5150 NEVER pull on the system board, always follow these steps:
1. Removal and Replacement Procedures...
HP Business Desktop dx5150 Series Service Reference Guide, 1st Edition - Page 107
Small Form Factor (SFF) Chassis
7.8.3 Cable Connections
Cable Power Supply Power Supply Power Supply Power Supply Power Supply Power Supply Power Supply
Cable Diskette drive ODD Data ODD Audio (if required) Heatsink fan Secondary system fan Front LED power on button ...COM1 SATA 1 (Blue) SATA 2 (White) JTPM1
Service Reference Guide, dx5150
361685-001
7-13 Removal and Replacement Procedures-
HP Business Desktop dx5150 Series Service Reference Guide, 1st Edition - Page 108
...7.4, "Front Bezel"). 4. Disconnect the audio, signal, and drive power cables from the computer.
✎ An optical drive is a CD-ROM, CD-RW, DVD-ROM, or combination CD/DVD drive.
1. Removal and Replacement Procedures- Small Form Factor (SFF) Chassis
7.8.4 Optical Drive
Ä CAUTION: Remove ... board. 6. The other end of the computer.
7-14
361685-001
Service Reference Guide, dx5150
HP Business Desktop dx5150 Series Service Reference Guide, 1st Edition - Page 110
...cables to the rear of the optical drive: ❏ Audio cable 1 ❏ Flat ribbon data cable 2 ❏ Power cable 3
✎ Windows XP does not require the use of an audio cable to transfer the sound to pinch the cables...cable placement can damage the computer.
7-16
361685-001
Service Reference Guide, dx5150 Small Form Factor (SFF) Chassis
3. Make sure not to the system board.
5.
HP Business Desktop dx5150 Series Service Reference Guide, 1st Edition - Page 111
Small Form Factor (SFF) Chassis
7.8.5 External 3.5-inch Drive
1. Disconnect the signal, and drive power cables from the old drive to the new one. Insert the rear screws of the chassis and hold. 8. Service Reference Guide, dx5150
361685-001
7-17 Remove the front bezel (Section 7.4, "Front Bezel"). 4. Remove the computer access panel (Section 7.3, "Computer Access Panel...
HP Business Desktop dx5150 Series Service Reference Guide, 1st Edition - Page 112
Replace the front bezel and computer access panel.
7-18
361685-001
Service Reference Guide, dx5150 Connect the power and data cables. 11. Rotate the drive cage to its original position. 13. Small Form Factor (SFF) Chassis
10. Make sure the drive cables are routed properly (Section 7.8.2, "Cable Management"). 12. Removal and Replacement Procedures-
HP Business Desktop dx5150 Series Service Reference Guide, 1st Edition - Page 119
... socket. The computer comes with the HP/Compaq spare designated for this computer provides power to replace the battery:
Service Reference Guide, dx5150
361685-001
7-25
Locate the battery and...When the battery is important to the Troubleshooting Guide for Disassembly"). 2. Small Form Factor (SFF) Chassis
7.13 Battery
The battery that you are discharged of the way ...
Desktop Management Guide (3rd Edition) - Page 17
.... Microtower, Small
Form Factor or Slim Tower. Open the computer and remove the PCI cards. If there are any files you saved in the Computer Setup (F10) Utility. If you may be used, but all computers can be lost. 1. If the default boot order in the system that have : ■ an HP Business Desktop dx5150 Series...
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