HP DC5100 manual Resetting the Password Jumper

Page 82

Password Security and Resetting CMOS

Resetting the Password Jumper

To disable the power-on or setup password features, or to clear the power-on or setup passwords, complete the following steps:

1.Shut down the operating system properly, then turn off the computer and any external devices, and disconnect the power cord from the power outlet.

2.With the power cord disconnected, press the power button again to drain the system of any residual power.

ÅWARNING: To reduce the risk of personal injury from electrical shock and/or hot surfaces, be sure to disconnect the power cord from the wall outlet, and allow the internal system components to cool before touching.

ÄCAUTION: When the computer is plugged in, the power supply always has voltage applied to the system board even when the unit is turned off. Failure to disconnect the power cord can result in damage to the system.

ÄCAUTION: Static electricity can damage the electronic components of the computer or optional equipment. Before beginning these procedures, ensure that you are discharged of static electricity by briefly touching a grounded metal object. See the Safety & Regulatory Information guide on the Documentation CD for more information.

3.Remove the computer cover or access panel.

4.Locate the header and jumper.

✎The password jumper is green so that it can be easily identified. For assistance locating the password jumper and other system board

components, see the Illustrated Parts Map (IPM) for that particular system. The IPM can be downloaded from www.hp.com/support.

5.Remove the jumper from pins 1 and 2. Place the jumper on either pin 1 or 2, but not both, so that it does not get lost.

6.Replace the computer cover or access panel.

7.Reconnect the external equipment.

B–2

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Troubleshooting Guide

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Contents Troubleshooting Guide MayTroubleshooting Guide Business Desktops Contents Setting up Analog/Digital Audio Output Index Computer Diagnostic Features Diagnostics for WindowsDetecting Diagnostics for Windows Installing Diagnostics for Windows Using Categories in Diagnostics for Windows Menu Bar-File, Categories, Navigation, Level, Tab, Help Running Diagnostic Tests in Diagnostics for Windows Computer Diagnostic Features Computer Diagnostic Features Configuration Record Installing Configuration Record Protecting the Software Restoring the SoftwareComputer Diagnostic Features Troubleshooting Without Diagnostics Safety and ComfortRun the Restore Plus! CD Before You Call for Technical SupportRun the Restore Plus! CD Helpful Hints Troubleshooting Without Diagnostics Problem Cause Solution Solving General ProblemsSolving General Problems Standby modeComputers, is locked Solving General Problems Troubleshooting Without Diagnostics Solving Power Supply Problems Solving Power Supply ProblemsSolving Power Supply Problems Tools. Under Error-checking Solving Diskette ProblemsSolving Diskette Problems Drive. Select File PropertiesStorage Storage Options Legacy Diskette WriteFormat a /F1440 Network Server Mode Storage Boot OrderMedia Boot Security Password OptionsSolving Hard Drive Problems Solving Hard Drive ProblemsPower-On Options Security Restore Master Boot RecordBoot Record Security Restore MasterBoot Order list MultiBay to Device Available Solving MultiBay ProblemsSolving MultiBay Problems Security Device SecuritySolving Display Problems Solving Display ProblemsSelect Enable VGA Mode Set properly Solving Display Problems Conversion circuits may Solving Audio Problems Solving Audio ProblemsDevice Manager button Sure Enable digital CDSystem Audio for this CD-ROMSolving Audio Problems Where printer port is Solving Printer ProblemsSolving Printer Problems DIR C\ printer portClick Shut Down. The Shut Solving Keyboard and Mouse ProblemsSolving Keyboard Problems Down Windows dialog boxWindows logo key to Solving Mouse ProblemsEnter key Solving Hardware Installation Problems Solving Hardware Installation ProblemsDetermine possible causes On the system to see if fault goes Solving Network Problems Solving Network ProblemsNetwork & Internet Failure Eeprom Solving Memory Problems Solving Memory ProblemsSolving Processor Problems Solving Processor ProblemsSolving CD-ROM and DVD Problems Solving CD-ROM and DVD ProblemsCD-ROM, CD-RW Solving Drive Key Problems Solving Drive Key ProblemsSolving Internet Access Problems Solving Internet Access ProblemsOptions Delete Cookies buttonClick the Device Manager PropertiesSolving Software Problems Solving Software ProblemsContacting Customer Support Troubleshooting Without Diagnostics Post Error Messages Numeric Codes and Text Messages Post Numeric Codes and Text MessagesCode/Message Probable Cause Recommended Action Option ROM Download to Device Options NIC PXEOnboard Devices Guide on the Documentation CD for Or is incompatible with Advanced Onboard Devices Chassis, Rear Not connected Detected Device Storage DPS Self-test Non-USDT systemsFor systems with 4 Sata ports ROM Bios CPU fan not installed or Diagnostic Front Panel LEDs and Audible Codes Post Diagnostic Front Panel LEDs and Audible CodesActivity Beeps Possible Cause Recommended Action Diagnostic Front Panel LEDs and Audible Codes Off and replace one device at a Management Guide on Diagnostic Front Panel LEDs and Audible Codes Password Security and Resetting Cmos Resetting the Password Jumper Clearing and Resetting the Cmos Using the Cmos ButtonCmos button Using Computer Setup to Reset Cmos Password Security and Resetting Cmos Drive Protection System DPS Accessing DPS Through Diagnostics for Windows Select Interactive Test Storage Hard DrivesAccessing DPS Through Computer Setup Select Storage DPS Self-TestDrive Protection System DPS Setting up Analog/Digital Audio Output Setting up Analog/Digital Audio Output Index Post
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DC5100 specifications

The HP DC5100 is a desktop computer that was launched by Hewlett-Packard in the mid-2000s, primarily targeting the business sector and home office users. Its design emphasizes robustness, reliability, and ease of use, which has made it a popular choice among small to medium-sized businesses.

One of the main features of the HP DC5100 is its compact form factor, designed for efficient use of space in an office environment. The small desktop chassis allows users to maximize their workspace while still providing ample power for essential applications. The machine is equipped with various Intel processor options, including the Pentium 4 and the Celeron, which cater to different performance needs. This flexibility in processor choice allows businesses to select a configuration that best fits their specific workload requirements.

In terms of memory, the DC5100 supports a maximum of 4 GB of DDR2 RAM, ensuring that it can handle multitasking efficiently. This is particularly beneficial for tasks such as running multiple applications simultaneously, which is a common requirement in business settings. The storage options are diverse, with SATA hard drives available in various capacities, providing users with the ability to choose the right amount of space for their data and applications.

Connectivity options are also a highlight of the HP DC5100. It comes equipped with multiple USB ports, facilitating easy connection of peripherals such as printers, external storage devices, and other accessories. The integrated Ethernet port enables quick and reliable network connectivity, making it simple to connect to local networks and access the internet.

Another noteworthy aspect of the DC5100 is its energy efficiency. Designed for business use, it incorporates power-saving features that help reduce overall energy consumption, contributing to lower operating costs over time. This is particularly important for companies looking to manage their budgets while being mindful of environmental impact.

The HP DC5100 also features various security technologies, including password protection and BIOS security options, which help protect sensitive data. This is critical for businesses that prioritize data integrity and confidentiality.

In conclusion, the HP DC5100 is a well-rounded desktop that boasts a balance of performance, efficiency, and reliability. Its compact design, versatile configurations, and strong connectivity options make it a solid choice for both business and home office environments. With features designed to enhance productivity while ensuring security and energy savings, the HP DC5100 remains a viable option for users seeking dependable computing power.
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