Compaq dx2480 Hardware Reference Guide: HP Compaq dx2480 Business Desktop MIcr
Compaq dx2480 - Microtower PC Manual
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- Compaq dx2480 | Hardware Reference Guide: HP Compaq dx2480 Business Desktop MIcr - Page 1
Hardware Reference Manual HP Compaq Business Desktop dx2480 Microtower Model March 2008 This guide provides basic information for upgrading this computer model. Document Number : 468080-D61 - Compaq dx2480 | Hardware Reference Guide: HP Compaq dx2480 Business Desktop MIcr - Page 2
Hardware Reference Guide HP Compaq Business Desktop dx2480 Microtower Model March 2008 This guide provides basic information for upgrading this computer model. - Compaq dx2480 | Hardware Reference Guide: HP Compaq dx2480 Business Desktop MIcr - Page 3
. CAUTION: Text set off in this manner indicates that failure to follow directions could result in damage to equipment or loss of information. Hardware Reference Guide HP Compaq Business Desktop dx2480 Microtower Model - Compaq dx2480 | Hardware Reference Guide: HP Compaq dx2480 Business Desktop MIcr - Page 4
Contents 1 Product Features Standard Configuration Features 1-1 Front Panel Components 1-2 Rear Panel Components 1-3 Keyboard ...1-4 Windows Logo Key 1-5 Special Mouse Functions 1-5 Serial Number Location 1-6 2 Hardware Upgrades Serviceability Features 2-1 Warnings and Cautions 2-1 Removing - Compaq dx2480 | Hardware Reference Guide: HP Compaq dx2480 Business Desktop MIcr - Page 5
Preparation 6-3 7 Computer Setup (F10) Utility Computer Setup (F10) Utility 7-1 Using Computer Setup (F10) Utilities 7-2 Recovering the Configuration Settings 7-4 8 Troubleshooting Guide Computer Diagnostic Features 8-1 Troubleshooting ...8- 8 Hardware Reference Guide www.hp.com/in iv - Compaq dx2480 | Hardware Reference Guide: HP Compaq dx2480 Business Desktop MIcr - Page 6
Standard Configuration Features The HP Compaq Microtower features may vary depending on the model. For a complete listing of the hardware and software installed in the computer, run the Diagnostics for Windows utility. Instructions for using this utility are provided in the Troubleshooting Guide on - Compaq dx2480 | Hardware Reference Guide: HP Compaq dx2480 Business Desktop MIcr - Page 7
Product Features Front Panel Components Drive configuration may vary by model. 1 8 2 9 10 3 4 11 5 12 6 7 Front Panel 9 Headphone Jack 10 Microphone Connector 11 USB (Universal Serial Bus) Ports 12 Hard Drive Activity Light Hardware Reference Guide Photos depicted may vary as per actual - Compaq dx2480 | Hardware Reference Guide: HP Compaq dx2480 Business Desktop MIcr - Page 8
PS/2 Mouse Connector 4 PS/2 Keyboard Connector 5 Universal Serial Bus (USB) 6 Serial Port Connector 7 RJ-45 Network Connector . 8 Parallel 11 Audio/Line-In Connector 12 Microphone Connector Arrangement and number of connectors may vary by model. ! Hardware Reference Guide Photos - Compaq dx2480 | Hardware Reference Guide: HP Compaq dx2480 Business Desktop MIcr - Page 9
functions. Used in combination with another key; its effect depends on the application software you are using. *Keys available in select geographic regions. Hardware Reference Guide Photos depicted may vary as per actual machine www - Compaq dx2480 | Hardware Reference Guide: HP Compaq dx2480 Business Desktop MIcr - Page 10
Windows Logo Key + u Windows Logo Key + Tab Displays or hides the Start menu. Displays the Desktop. Minimizes all open applications. Undoes Minimize All. Launches My the next Taskbar button. Special Mouse Functions Most software applications support the use of a mouse. The functions assigned to - Compaq dx2480 | Hardware Reference Guide: HP Compaq dx2480 Business Desktop MIcr - Page 11
serial number and a product ID number that are located on the top cover of the computer. Keep these numbers available for use when contacting customer service for assistance. Serial Number and Product ID Location Hardware Reference Guide Photos depicted may vary as per actual machine www - Compaq dx2480 | Hardware Reference Guide: HP Compaq dx2480 Business Desktop MIcr - Page 12
upgrade and service. A Torx T-15 screwdriver is needed for many of the installation procedures described in this chapter. Warnings and Cautions Before performing upgrades be sure to carefully read all of the applicable instructions, cautions, and warnings in this guide Guide www.hp.com/in 2-1 - Compaq dx2480 | Hardware Reference Guide: HP Compaq dx2480 Business Desktop MIcr - Page 13
Hardware Upgrades Removing the Computer Access Panel CAUTION: CAUTION: Before removing the computer access panel, ensure that the computer is reverse the removal steps. ! Removing the Computer Access Panel Photos depicted may vary as per actual machine Hardware Reference Guide www.hp.com/in 2-2 - Compaq dx2480 | Hardware Reference Guide: HP Compaq dx2480 Business Desktop MIcr - Page 14
Hardware Upgrades Removing the Front Bezel To remove the front bezel: 1. Turn off the computer properly through the operating system of the bezel and then rotate the bezel off the chassis 1 . 2 1 Removing the Front Bezel Hardware Reference Guide Photos depicted may vary as per actual machine www - Compaq dx2480 | Hardware Reference Guide: HP Compaq dx2480 Business Desktop MIcr - Page 15
800 MHz DIMM 256Mbit, 512Mbit, and 1Gbit non-ECC memory technologies single-sided and double-sided DIMMS The system will not start if you install unsupported DIMMs. *8GB Memory is supported only with Windows Vista 64 bit or Freedos operating systems !! Hardware Reference Guide www.hp.com/in 2-4 - Compaq dx2480 | Hardware Reference Guide: HP Compaq dx2480 Business Desktop MIcr - Page 16
Hardware Upgrades Populating DIMM in dual channel Asymmetric mode if the total memory capacity of the DIMMs in Channel A is not equal to the total memory capacity of the DIMMs in Channel B. socket, Channel B Socket Color Yellow Red Yellow Red 1 2 3 4 Hardware Reference Guide www.hp.com/in 2-5 - Compaq dx2480 | Hardware Reference Guide: HP Compaq dx2480 Business Desktop MIcr - Page 17
When upgrading the memory, it is important to use memory modules with Chapter 5, "Electrostatic Discharge." CAUTION: When handling a memory module, be careful not to touch any of the . 3. Remove the computer access panel. 4. Locate the memory module sockets on the system board. WARNING: To reduce - Compaq dx2480 | Hardware Reference Guide: HP Compaq dx2480 Business Desktop MIcr - Page 18
in the closed position 3 . 7. Repeat steps 5 and 6 to install any additional modules. 8. Replace the access panel. The computer should automatically recognize the additional memory the next time you turn on the computer. Hardware Reference Guide Photos depicted may vary as per actual machine www - Compaq dx2480 | Hardware Reference Guide: HP Compaq dx2480 Business Desktop MIcr - Page 19
Hardware Upgrades Removing a 5.25" Drive Bezel Blank If the computer was not shipped with a drive in the 5.25" option bay, the bay will be front bezel then snap the right side of the blank into place. Photos depicted may vary as per actual machine Hardware Reference Guide www.hp.com/in 2-8 - Compaq dx2480 | Hardware Reference Guide: HP Compaq dx2480 Business Desktop MIcr - Page 20
Hardware Upgrades Replacing or Upgrading a Drive The computer supports up to six drives that may be installed in various configurations. This section describes the procedure for replacing or upgrading the storage drives. A Torx screwdriver is needed to remove and install the guide screws and - Compaq dx2480 | Hardware Reference Guide: HP Compaq dx2480 Business Desktop MIcr - Page 21
Hardware Upgrades Locating Drive Positions 2 3 Hardware Reference Guide Drive Positions Photos depicted may vary as per actual machine www.hp.com/in 2-10 - Compaq dx2480 | Hardware Reference Guide: HP Compaq dx2480 Business Desktop MIcr - Page 22
Hardware Upgrades First 5.25-inch, half-height bays for optional drives Second 5.25-inch, half-height bays for optional drives drives in the drive bay. Slide the drive disk forward and out of the bay. Hardware Reference Guide Removing the Drives Photos depicted may vary as per actual machine www - Compaq dx2480 | Hardware Reference Guide: HP Compaq dx2480 Business Desktop MIcr - Page 23
Hardware Upgrades 5. Hard disk is inserted or slide out from the back. Removing the Hard disk 6. Remove all the screws that There may be sharp edges on the insides of the bay ! opening after the shield has been removed. Hardware Reference Guide Photos depicted may vary as per actual machine www - Compaq dx2480 | Hardware Reference Guide: HP Compaq dx2480 Business Desktop MIcr - Page 24
Hardware Upgrades Replacing a Drive CAUTION: To prevent loss of work and damage to the computer or drive: If you are inserting or removing a hard drive on the old hard drive before removing it so that you can install the data onto the new hard drive. ! Hardware Reference Guide www.hp.com/in 2-13 - Compaq dx2480 | Hardware Reference Guide: HP Compaq dx2480 Business Desktop MIcr - Page 25
Hardware Upgrades 1. Slide the floppy drive into the drive bay, making sure to align the guide screws with the guide slots, until the drive snaps into place. 2 Sliding the Drives the Drive by tighten all two screws. Hardware Reference Guide Photos depicted may vary as per actual machine www - Compaq dx2480 | Hardware Reference Guide: HP Compaq dx2480 Business Desktop MIcr - Page 26
Hardware Upgrades 3. Slide in the hard disk from the front to back, making sure to align the screw holes with the drive bays holes. Secure the Drive by tighten all the screws at each bottom side 3 Sliding the Hard Drive into the Drive Cage Hardware Reference Guide Photos depicted may vary as per - Compaq dx2480 | Hardware Reference Guide: HP Compaq dx2480 Business Desktop MIcr - Page 27
Hardware Upgrades Install Second Hard Disk A second Hard disk should be installed as per following 1 1. Secure hard drive in hard drive bay located in (as indicated by arrow 1 ). 2. Secure the second hard drive by tightening the 2 screws at bottom. Hardware Reference Guide Photos depicted may - Compaq dx2480 | Hardware Reference Guide: HP Compaq dx2480 Business Desktop MIcr - Page 28
Hardware Upgrades 3. Connect one end of the data cables to the second hard drive as shown above. 4. The other end connect to the system board. Hardware Reference Guide Photos depicted may vary as per actual machine www.hp.com/in 2-17 - Compaq dx2480 | Hardware Reference Guide: HP Compaq dx2480 Business Desktop MIcr - Page 29
hard drive, insert the Restore Plus! DVD to restore the operating system, software drivers, and/or any software applications that were preinstalled on the computer from HP. Follow the instructions in the guide included with the restore DVD. When the restore process has completed, reinstall any - Compaq dx2480 | Hardware Reference Guide: HP Compaq dx2480 Business Desktop MIcr - Page 30
Upgrades Removing or Installing an Expansion Card This computer has two PCI expansion slots, one PCI-Express x 1 & one PCI-Express x 16 slots PCI -E x16 Slot PCI -E x1 Slot PCI Slot PCI Slot Expansion Slot Locations Hardware Reference Guide Photos depicted may vary as per actual machine www.hp - Compaq dx2480 | Hardware Reference Guide: HP Compaq dx2480 Business Desktop MIcr - Page 31
Hardware Upgrades To remove, replace, or add an expansion card. 1. Turn off the computer properly through the operating slot cover lock away from the slots to remove it from the computer . Hardware Reference Guide Releasing the Slot Cover Lock Photos depicted may vary as per actual machine www - Compaq dx2480 | Hardware Reference Guide: HP Compaq dx2480 Business Desktop MIcr - Page 32
Hardware Upgrades 4. Before installing an expansion card, remove the expansion slot cover or the existing expansion card. a. If you are the socket then away from the inside of the chassis. Removing an Expansion Slot Cover Hardware Reference Guide Photos depicted may vary as per actual machine www - Compaq dx2480 | Hardware Reference Guide: HP Compaq dx2480 Business Desktop MIcr - Page 33
Hardware Upgrades b. If removing a standard PCI expansion card, hold the card at each end, and carefully rock it back chassis frame. Be sure not to scrape the card against the other components. Removing an Expansion Card Hardware Reference Guide Photos depicted may vary as per actual machine www - Compaq dx2480 | Hardware Reference Guide: HP Compaq dx2480 Business Desktop MIcr - Page 34
Hardware Upgrades 5. If replacing or adding a new expansion card, hold the card just above the expansion slot on the system , press firmly on the card so that the whole connector seats properly in the expansion card slot. Hardware Reference Guide Photos depicted may vary as per actual machine www - Compaq dx2480 | Hardware Reference Guide: HP Compaq dx2480 Business Desktop MIcr - Page 35
Hardware Upgrades 9. If you are replacing an expansion card, store the old card in the anti-static packaging that Covers 11. Complete the procedure described in the "Reassembling the Computer" section of this chapter. Hardware Reference Guide Photos depicted may vary as per actual machine www - Compaq dx2480 | Hardware Reference Guide: HP Compaq dx2480 Business Desktop MIcr - Page 36
Hardware Upgrades Reassembling the Computer 1. Position the chassis in the upright position. Insert the four tabs at the rectangular holes on the chassis then rotate the bezel into the place 2 . Hardware Reference Guide Replacing the Front Bezel Photos depicted may vary as per actual machine www - Compaq dx2480 | Hardware Reference Guide: HP Compaq dx2480 Business Desktop MIcr - Page 37
Hardware Upgrades 2. Place the side access panel in the proper position on the chassis and slide it into place 1 . Ensure that the hole (NIC) ports. 5. Turn on the computer by pressing the power button. Photos depicted may vary as per actual machine Hardware Reference Guide www.hp.com/in 2-26 - Compaq dx2480 | Hardware Reference Guide: HP Compaq dx2480 Business Desktop MIcr - Page 38
the battery only with the HP spare designated for this product. CAUTION: Before replacing the battery, it is important to back up the computer CMOS settings. When the battery is removed or replaced, the CMOS settings will be cleared. Refer to the Troubleshooting Guide on the Documentation and - Compaq dx2480 | Hardware Reference Guide: HP Compaq dx2480 Business Desktop MIcr - Page 39
system board. 4. Depending on the type of battery holder on the system board, complete the following instructions to replace the battery. a.To release the battery from its holder, squeeze the metal clamp that snaps over the other edge of the battery 2 . Hardware Reference Guide www.hp.com/in 3-2 - Compaq dx2480 | Hardware Reference Guide: HP Compaq dx2480 Business Desktop MIcr - Page 40
any special system setups, using Computer Setup. Refer to the Computer Setup (F10) Utility Guide on the Documentation and Diagnostics CD. Power Supply Notice ! WARNING: The power supply contains AND OTHER BODY PARTS AWAY Hardware Reference Guide Photos depicted may vary as per actual machine www - Compaq dx2480 | Hardware Reference Guide: HP Compaq dx2480 Business Desktop MIcr - Page 41
Lock Provisions Installing a Security Lock The security locks displayed on the below page can be used to secure the Microtower computer by putting a mechanical lock Mechanical Lock password prevents unauthorized access to the Computer Setup utility Hardware Reference Guide www.hp.com/in 4-1 - Compaq dx2480 | Hardware Reference Guide: HP Compaq dx2480 Business Desktop MIcr - Page 42
straps with a minimum of 1 megohm +/- 10 percent resistance in the ground cords. To provide proper ground, wear the strap snug against the skin. Hardware Reference Guide www.hp.com/in 5-1 - Compaq dx2480 | Hardware Reference Guide: HP Compaq dx2480 Business Desktop MIcr - Page 43
mat. If you do not have any of the suggested equipment for proper grounding, contact an HP authorized dealer, reseller, or service provider. For more information on static electricity, contact an HP authorized dealer, reseller, or service provider. ! Hardware Reference Guide www.hp.com/in 5-2 - Compaq dx2480 | Hardware Reference Guide: HP Compaq dx2480 Business Desktop MIcr - Page 44
intake. Do not place the keyboard, with the keyboard feet down, directly against the front of the desktop unit as this also restricts airflow. n Keep the computer away from excessive moisture, direct sunlight, and block the vents and limit the airflow. Hardware Reference Guide www.hp.com/in 6-1 - Compaq dx2480 | Hardware Reference Guide: HP Compaq dx2480 Business Desktop MIcr - Page 45
may damage the finish. Safety If any object or liquid falls into the drive, immediately unplug the computer and have it checked by an authorized HP service provider. Hardware Reference Guide www.hp.com/in 6-2 - Compaq dx2480 | Hardware Reference Guide: HP Compaq dx2480 Business Desktop MIcr - Page 46
computer. 7. Pack the system components and external devices in their original packing boxes or similar packaging with sufficient packing material to protect them. ! Hardware Reference Guide www.hp.com/in 6-3 - Compaq dx2480 | Hardware Reference Guide: HP Compaq dx2480 Business Desktop MIcr - Page 47
Computer Setup (F10) Utility Guide HP Compaq Business Desktop dx2480 Microtower Model March 2008 This guide provides instructions on how to use Computer Setup. This tool is used to reconfigure and modify computer default settings when new hardware is installed and for maintenance purposes. - Compaq dx2480 | Hardware Reference Guide: HP Compaq dx2480 Business Desktop MIcr - Page 48
set off in this manner indicates that failure to follow directions could result in damage to equipment or loss of information. Computer Setup (F10) Utility Guide HP Compaq Business Desktop dx2480 Microtower Model - Compaq dx2480 | Hardware Reference Guide: HP Compaq dx2480 Business Desktop MIcr - Page 49
BIOS version 7-4 BIOS Release Date 7-4 System Chipset Type 7-4 Processor Type 7-4 Processor Speed 7-4 CPU ID 7-4 L1 Cache Size 7-4 L2 Cache Size 7-4 Memory DIMM1 7-4 Memory DIMM2 7-4 Memory DIMM3 7-4 Memory DIMM4 7-4 DDR Memory LEGACY Mode Support 7-5 Advanced BIOS Features 7-5 Quick - Compaq dx2480 | Hardware Reference Guide: HP Compaq dx2480 Business Desktop MIcr - Page 50
VGA Controller 7-6 On-Chip Frame Buffer Size 7-6 DVMT Mode 7-6 IGD DVMT/Fixed Memory 7-7 Integrated Peripherals 7-7 USB Controller 7-7 USB Legacy Support 7-7 Azalia Codec 7-7 Onboard LAN 7-7 Onboard LAN Exit 7-9 Exit Without Saving 7-9 Computer Setup (F10) Utility Guide www.hp.com/in iv - Compaq dx2480 | Hardware Reference Guide: HP Compaq dx2480 Business Desktop MIcr - Page 51
Set,view,change,or verify the system configuration,including settings for processor, graphics, memory, audio, storage, communications,and input devices. . n To secure integrated I/O functionality,including the serial,USB,or parallel ports,audio,or embedded NIC,so that they cannot be used until - Compaq dx2480 | Hardware Reference Guide: HP Compaq dx2480 Business Desktop MIcr - Page 52
menu headings and actions. Eight menu headings appear on the Computer Setup Utility screen: n System Information n Standard CMOS Features n Advanced BIOS Features n Advanced Chipset Features n Integrated Peripherals n Power Management Setup n Hardware Monitor Setup ! Computer Setup (F10) Utility - Compaq dx2480 | Hardware Reference Guide: HP Compaq dx2480 Business Desktop MIcr - Page 53
because the CMOS could become corrupted. It is safe to turn off the computer only after exiting the F10 Setup screen. Computer Setup (F10) Utility Guide www.hp.com/in 7-3 - Compaq dx2480 | Hardware Reference Guide: HP Compaq dx2480 Business Desktop MIcr - Page 54
you to set system time. Features Floppy Drive A View 1.44MB,3.5" or None SATA Port 0 SATA Port 1 SATA Port 2 SATA Port 3 HDD Auto Detection ! Support for specific Computer Setup options may vary depending on the hardware configuration Computer Setup (F10) Utility Guide www.hp.com/in 7-4 - Compaq dx2480 | Hardware Reference Guide: HP Compaq dx2480 Business Desktop MIcr - Page 55
IDE deviceto: • None • Auto(default) • Manual Access Mode This allows you to set the access support This allows you to set for: • Enabled (default) • Disabled ! Support for specific Computer Setup options may vary depending on the hardware configuration Computer Setup (F10) Utility Guide www.hp - Compaq dx2480 | Hardware Reference Guide: HP Compaq dx2480 Business Desktop MIcr - Page 56
monitor display: • Onchip VGA • PEG Port • Auto(default) On-chip Frame Buffer Size Allow you to ser On-Chip Frame Buffer size to • 1MB • 8MB DVMT Mode Allows you to set DVMT Mode to: • Fixed • DVMT ! Support for specific Computer Setup options may vary depending on the hardware configuration - Compaq dx2480 | Hardware Reference Guide: HP Compaq dx2480 Business Desktop MIcr - Page 57
the onboard parallel port: •Disabled •378/IRQ7 •278/IRQ5 •3BC/IRQ7 Allows you to select parallel port mode: •SPP •EPP •ECP •ECP+EPP 3 (view Only) ! Support for specific Computer Setup options may vary depending on the hardware configuration. Computer Setup (F10) Utility Guide www.hp.com/in 7-7 - Compaq dx2480 | Hardware Reference Guide: HP Compaq dx2480 Business Desktop MIcr - Page 58
alarm will resume. HPET Mode High Precision Event Timers • 32-bit Mode is for 32 bit OS • 64-bit Mode is for 64 bit OS ! Support for specific Computer Setup options may vary depending on the hardware configuration. Computer Setup (F10) Utility Guide www.hp.com/in 7-8 - Compaq dx2480 | Hardware Reference Guide: HP Compaq dx2480 Business Desktop MIcr - Page 59
Exit Allows you to save current settings and exit Computer Setup Exit without Saving Allows you to exit Computer setup without saving changes ! Support for specific Computer Setup options may vary depending on the hardware configuration. Computer Setup (F10) Utility Guide www.hp.com/in 7-9 - Compaq dx2480 | Hardware Reference Guide: HP Compaq dx2480 Business Desktop MIcr - Page 60
Troubleshooting Guide HP Business Desktop dx2480 March 2008 This guide provides helpful hints and solutions for troubleshooting the above products as well as scenarios for possible hardware and software problems. - Compaq dx2480 | Hardware Reference Guide: HP Compaq dx2480 Business Desktop MIcr - Page 61
of life. CAUTION: Text set off in this manner indicates that failure to follow directions could result in damage to equipment or loss of information. Troubleshooting Guide HP Compaq Business Desktop dx2480 Microtower Model First Edition (March 2008) - Compaq dx2480 | Hardware Reference Guide: HP Compaq dx2480 Business Desktop MIcr - Page 62
isolating hardware issues. The HP Insight Diagnostics utility allows you to view information about the hardware configuration of the computer and a call to the Customer Support Center. Third party devices may not be detected by HP Insight Diagnostics. ! Troubleshooting Guide www.hp.com/in 8-1 - Compaq dx2480 | Hardware Reference Guide: HP Compaq dx2480 Business Desktop MIcr - Page 63
the assigned default keyboard for your language unless you want to test your specific keyboard. 6. In the End User License Agreement page, click Agree if you agree with the terms. The HP Insight Diagnostics utility launches with the Survey tab displayed. Troubleshooting Guide www.hp.com/in 8-2 - Compaq dx2480 | Hardware Reference Guide: HP Compaq dx2480 Business Desktop MIcr - Page 64
connected to the computer. This list includes all fixed disks, diskette drives, and optical drives. System-Shows information about the system board, processor, chassis, and BIOS, plus internal speaker and PCI bus information. Troubleshooting Guide www.hp.com/in 8-3 - Compaq dx2480 | Hardware Reference Guide: HP Compaq dx2480 Business Desktop MIcr - Page 65
Unattended Mode-Does not display prompts and requires no interaction. If errors are found, they are displayed when testing is testing of a system. The Custom Test mode allows you to specifically select which devices, tests, and test parameters are run. To Troubleshooting Guide www.hp.com/in 8-4 - Compaq dx2480 | Hardware Reference Guide: HP Compaq dx2480 Business Desktop MIcr - Page 66
test. The Status tab, which allows you to monitor the progress of the test, is automatically displayed during the testing process. When the test is complete, the Status tab shows whether the device elapsed test times n The condition status of each test Troubleshooting Guide www.hp.com/in 8-5 - Compaq dx2480 | Hardware Reference Guide: HP Compaq dx2480 Business Desktop MIcr - Page 67
Log displays all supported. 2. Click Save in the upper right corner of the tab. 3. Select Save to the floppy or Save to USB key. 4. Enter a file name in the File Name box and click the Save button. An html file will be saved to the inserted diskette or USB HP Drive Key. Troubleshooting Guide www.hp - Compaq dx2480 | Hardware Reference Guide: HP Compaq dx2480 Business Desktop MIcr - Page 68
) in the text box and press the Enter key. 5. Select your specific computer model 6. Select your OS. 7. Click the Diagnostic link. 8. Locate HP Insight Diagnostics and click Download. The download includes instructions on how to create the bootable CD. ! Troubleshooting Guide www.hp.com/in 8-7 - Compaq dx2480 | Hardware Reference Guide: HP Compaq dx2480 Business Desktop MIcr - Page 69
solutions below to try to isolate the exact problem before calling for technical support. n Run the diagnostics utility. Refer to Chapter video port on the computer if one is available. Or, change out the monitor with a monitor that you know is functioning properly. Troubleshooting Guide www.hp - Compaq dx2480 | Hardware Reference Guide: HP Compaq dx2480 Business Desktop MIcr - Page 70
to see if it will boot without all of the drivers loaded. When booting the operating system, use "Last Known Configuration." n Refer to the comprehensive online technical support at www.hp.com/support. n Refer to "Helpful Hints" in this guide for more general suggestions. n Run the Restore Plus! DVD - Compaq dx2480 | Hardware Reference Guide: HP Compaq dx2480 Business Desktop MIcr - Page 71
drive For sales information and warranty upgrades (HP Care Pack Services), call your local authorized service provider or dealer. Helpful Hints If you encounter problems with the computer, monitor, or restart, press the power button to start the computer. Troubleshooting Guide www.hp.com/in 8-10 - Compaq dx2480 | Hardware Reference Guide: HP Compaq dx2480 Business Desktop MIcr - Page 72
Troubleshooting n Reconfigure the computer after installing a nonplug and play expansion board or other option. See "Solving Hardware Installation Problems" for instructions. n Be sure that all the needed device drivers have been installed. For example, if you are using a printer, you need a driver - Compaq dx2480 | Hardware Reference Guide: HP Compaq dx2480 Business Desktop MIcr - Page 73
Troubleshooting Solving General Problems You may be able to easily resolve the minor problems described in this section. If a problem persists and you are unable to resolve it yourself or if you feel uncomfortable about performing the operation, contact your HP authorized reseller or service - Compaq dx2480 | Hardware Reference Guide: HP Compaq dx2480 Business Desktop MIcr - Page 74
in the Control Panel (Computer Setup can also be used to update the RTC date and time). If the problem persists, replace the RTC battery. See the Hardware Reference Guide on the Documentation and Diagnostics CD for instructions on installing a new battery. Cursor will not move using the Tohne - Compaq dx2480 | Hardware Reference Guide: HP Compaq dx2480 Business Desktop MIcr - Page 75
Troubleshooting Problem Poor performance is experienced (continued). Blank screen (no video). Cause Solution 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 is fragmented. Defragment hard drive. Program - Compaq dx2480 | Hardware Reference Guide: HP Compaq dx2480 Business Desktop MIcr - Page 76
Troubleshooting Problem Blank screen (no video) (continued). Cause monitor can accept the same horizontal scan rate as the resolution chosen. The VGA/BNC selector Set the selector switch to switch on the monitor (some agree interpret the error code. Troubleshooting Guide www.hp.com/in 8-15 - Compaq dx2480 | Hardware Reference Guide: HP Compaq dx2480 Business Desktop MIcr - Page 77
. Use Windows XP Device Manager to deselect the automatic settings for the board and choose a basic configuration that does not cause a resource conflict. You can also use Computer Setup to reconfigure disable devices to resolve the resource conflict Troubleshooting Guide www.hp.com/in 8-16 - Compaq dx2480 | Hardware Reference Guide: HP Compaq dx2480 Business Desktop MIcr - Page 78
Troubleshooting Problem Computer will not start. Cause Wrong memory modules were used in the upgrade or memory modules were installed in the wrong location. Solution 1. Review the documentation that came with the system to determine if you are using the correct memory modules and to verify the - Compaq dx2480 | Hardware Reference Guide: HP Compaq dx2480 Business Desktop MIcr - Page 79
or contact an authorized reseller or service provider Pre-video memory error. 1. Reseat DIMMs. Power on the system. 2. Replace DIMMs one at a time to isolate the faulty module. 3. Replace third-party memory with HP memory. 4. Replace the system board. Troubleshooting Guide www.hp.com/in 8-18 - Compaq dx2480 | Hardware Reference Guide: HP Compaq dx2480 Business Desktop MIcr - Page 80
Refer to the F10 Utility Guide for its functionality and any further issues. 4. For maximum security, be sure to establish a setup password. The setup password prevents unauthorized access to the Computer Setup utility. * Applicable for non China version. Troubleshooting Guide www.hp.com/in 8-19 - Compaq dx2480 | Hardware Reference Guide: HP Compaq dx2480 Business Desktop MIcr - Page 81
visit www.hp.com. If you take the computer to an authorized reseller, dealer, or service provider for service, remember to provide the setup and power-on passwords if they are set. Refer to the number listed in the warranty booklet for technical assistance. !! Troubleshooting Guide www.hp.com/in