HP DC5100 manual Computers, is locked

Page 23

Troubleshooting Without Diagnostics

Solving General Problems (Continued)

Problem

Cause

Solution

Cannot remove

Smart Cover Lock,

computer cover or

featured on some

access panel.

computers, is locked.

Unlock the Smart Cover Lock using Computer Setup.

The Smart Cover FailSafe Key, a device for manually disabling the Smart Cover Lock, is available from HP. You will need the FailSafe Key in case of forgotten password, power loss, or computer malfunction. Order PN 166527-001 for the wrench-style key or PN 166527-002 for the screwdriver bit key.

Poor performance is

Processor is hot.

1.

Make sure the airflow to the

experienced.

 

 

computer is not blocked.

 

 

2.

Make sure the fans are connected

 

 

 

and working properly (some fans

 

 

 

only operate when needed).

 

 

3.

Make sure the processor heatsink

 

 

 

is installed properly.

 

Hard drive is full.

Transfer data from the hard drive to

 

 

create more space on the hard drive.

 

 

 

 

Low on memory.

Add more memory.

 

 

 

 

Hard drive fragmented.

Defragment hard drive.

 

 

 

 

Program previously

Restart the computer.

 

accessed did not release

 

 

reserved memory back to

 

 

the system.

 

 

 

 

 

Virus resident on the hard

Run virus protection program.

 

drive.

 

 

 

 

 

Too many applications

1. Close unnecessary applications

 

running.

to free up memory.

 

 

2. Add more memory.

 

 

 

 

Cause unknown.

Restart the computer.

 

 

 

Troubleshooting Guide

www.hp.com

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Contents May Troubleshooting GuideTroubleshooting Guide Business Desktops Contents Setting up Analog/Digital Audio Output Index Diagnostics for Windows Computer Diagnostic FeaturesDetecting 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 Restoring the Software Protecting the SoftwareComputer Diagnostic Features Safety and Comfort Troubleshooting Without DiagnosticsBefore You Call for Technical Support Run the Restore Plus! CDRun the Restore Plus! CD Helpful Hints Troubleshooting Without Diagnostics Standby mode Solving General ProblemsSolving General Problems Problem Cause SolutionComputers, is locked Solving General Problems Troubleshooting Without Diagnostics Solving Power Supply Problems Solving Power Supply ProblemsSolving Power Supply Problems Drive. Select File Properties Solving Diskette ProblemsSolving Diskette Problems Tools. Under Error-checkingFormat a /F1440 Legacy Diskette WriteStorage Storage Options Security Password Options Storage Boot OrderMedia Boot Network Server ModeSolving Hard Drive Problems Solving Hard Drive ProblemsSecurity Restore Master Boot Record Power-On OptionsBoot Order list Security Restore MasterBoot Record Security Device Security Solving MultiBay ProblemsSolving MultiBay Problems MultiBay to Device AvailableSolving Display Problems Solving Display ProblemsSelect Enable VGA Mode Set properly Solving Display Problems Conversion circuits may Solving Audio Problems Solving Audio ProblemsAudio for this CD-ROM Sure Enable digital CDSystem Device Manager buttonSolving Audio Problems DIR C\ printer port Solving Printer ProblemsSolving Printer Problems Where printer port isDown Windows dialog box Solving Keyboard and Mouse ProblemsSolving Keyboard Problems Click Shut Down. The ShutEnter key Solving Mouse ProblemsWindows logo key to 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 Internet Access Problems Solving Drive Key ProblemsSolving Internet Access Problems Solving Drive Key ProblemsDelete Cookies button OptionsProperties Click the Device ManagerSolving Software Problems Solving Software ProblemsContacting Customer Support Troubleshooting Without Diagnostics Post Error Messages Code/Message Probable Cause Recommended Action Post Numeric Codes and Text MessagesNumeric Codes and Text Messages Onboard Devices Device Options NIC PXEOption ROM Download to Guide on the Documentation CD for Or is incompatible with Advanced Onboard Devices Chassis, Rear Not connected Detected Device Non-USDT systems Storage DPS Self-testFor systems with 4 Sata ports ROM Bios CPU fan not installed or Activity Beeps Possible Cause Recommended Action Post Diagnostic Front Panel LEDs and Audible CodesDiagnostic Front Panel LEDs and Audible Codes 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 Using the Cmos Button Clearing and Resetting the CmosCmos button Using Computer Setup to Reset Cmos Password Security and Resetting Cmos Drive Protection System DPS Select Interactive Test Storage Hard Drives Accessing DPS Through Diagnostics for WindowsSelect Storage DPS Self-Test Accessing DPS Through Computer SetupDrive 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.