Solving Front Panel Component Problems | HP 7300 manual

Solving Front Panel Component Problems

If you encounter problems with devices connected to the front panel, refer to the common causes and solutions listed in the following table.

A USB device, headphone, or microphone is not recognized by the computer.

Cause	Solution

Device is not properly connected.	1.	Turn off the computer.
	2.	Reconnect the device to the front of the computer and
		restart the computer.

The device does not have power.	If the USB device requires AC power, be sure one end is
	connected to the device and one end is connected to a live
	outlet.

The correct device driver is not installed.	1.	Install the correct driver for the device.
	2.	You might need to reboot the computer.

The cable from the device to the computer does not work.	1.	If possible, replace the cable.
	2.	Restart the computer.

The device is not working.	1.	Replace the device.
	2.	Restart the computer.

USB ports on the computer are disabled in Computer Setup.	Run the Computer Setup utility and ensure that the USB
	ports are set to Enabled in Security > USB Security.

Solving Internet Access Problems

If you encounter Internet access problems, consult your Internet Service Provider (ISP) or refer to the common causes and solutions listed in the following table.

Unable to connect to the Internet.

Cause	Solution

Internet Service Provider (ISP) account is not set up	Verify Internet settings or contact your ISP for assistance.
properly.

Web browser is not set up properly.	Verify that the Web browser is installed and set up to work
	with your ISP.

Cable/DSL modem is not plugged in.	Plug in cable/DSL modem. You should see a “power” LED
	light on the front of the cable/DSL modem.

Cable/DSL service is not available or has been interrupted	Try connecting to the Internet at a later time or contact your
due to bad weather.	ISP. (If the cable/DSL service is connected, the “cable” LED
	light on the front of the cable/DSL modem will be on.)

The CAT5 UTP cable is disconnected.	Connect the CAT5 UTP cable between the cable modem
	and the computers’s RJ-45 connector. (If the connection is
	good, the “PC” LED light on the front of the cable/DSL
	modem will be on.)

180 Appendix A Troubleshooting Without Diagnostics

Image 190

HP 7300 manual Solving Front Panel Component Problems, Solving Internet Access Problems

Contents

Maintenance & Service Guide Maintenance & Service Guide About This Book Iv About This Book Table of contents Serial ATA Sata Drive Guidelines and Features 104 144 216 Page Standard Configuration Product FeaturesHP Pro 3300 MT HP Pro 3300 SFF HP Elite 7500/7300 MT Serviceability Features Microtower Components Small Form Factor Components Activating and customizing the software in Windows Activating and Customizing the SoftwareActivating the Windows operating system Installing or upgrading device drivers Downloading Windows 7 updatesCustomizing the monitor display Downloading Windows 8 updates Click Settings Change PC Settings Computer Setup F10 Utility Computer Setup F10 Utilities Using Computer Setup F10 Utilities 1Computer Setup F10 Utility Computer Setup-File 2Computer Setup-File Sata Defaults Computer Setup-Storage3Computer Setup-Storage OptionDescription Sata Emulation Removable Media BootStorage Options ESATA Port Max eSATA Speed Shortcut to Temporarily Override Boot Order Boot OrderDPS Self-Test Computer Setup-Security 4Computer Setup-Security Slot Security Network BootMaster Boot Record System IDs System Security Configuration Secure BootDriveLock Security Computer Setup-Power 5Computer Setup-Power 6Computer Setup-Advanced for advanced users Computer Setup-AdvancedOption Heading Power-On Options Bus Options Bios Power-OnOnboard Devices Device Options VGA Configuration Recovering the Configuration SettingsAMT Configuration Microtower MT Chassis Spare Parts Illustrated parts catalogComputer Major Components Front bezel Description Spare part number Access panelPower supply, 300W Intel processors Description Spare part number Illustrated parts catalog Cables RTC battery Fan sink includes replacement thermal materialFront I/O and USB assembly Misc Parts Description Spare part number Hard drive DrivesMisc Boards Optical drive Wlan modules Sequential Part Number ListingGraphics adapters for use in models with Windows Spare part Description Number Microtower MT Chassis Spare Parts Illustrated parts catalog Microtower MT Chassis Spare Parts Illustrated parts catalog Small Form Factor SFF Chassis Spare Parts Intel Core i3 processors Intel Core i7 processorIntel Core i5 processors Intel Pentium Dual-Core processors Cables DVI to VGA adapter, HF not illustrated Front I/O and card reader 6-in-1DVI to VGA adapter not illustrated DVI to VGA adapter, HF, 29-pin not illustrated DVD-ROM drive 581599-001 16X Sata DVD±RW drive 581600-001 Illustrated parts catalog Small Form Factor SFF Chassis Spare Parts Sata Hard Drives Serial ATA Sata Drive Guidelines and FeaturesSerial ATA Hard Drive Characteristics Sata Hard Drive Cables Smart ATA Drives Hard Drive Capacities Generating Static Routine Care, and Disassembly PreparationElectrostatic Discharge Information Relative Humidity Event 55% 40% 10% Static Shielding Protection Levels Preventing Electrostatic Damage to EquipmentPersonal Grounding Methods and Equipment Method Voltage Grounding the Work Area Recommended Materials and Equipment Operating Guidelines Cleaning the Keyboard General Cleaning Safety PrecautionsCleaning the Computer Case Routine Care Cleaning the Mouse Service ConsiderationsCleaning the Monitor Power Supply Fan Screws Cables and ConnectorsHard Drives Lithium Coin Cell Battery Removal and Replacement Procedures Microtower MT Chassis Preparation for Disassembly Access Panel Description Spare part number Access panel 657104-001Page Front Bezel Page Memory DDR3-SDRAM DIMMs HP Elite 7500 Memory 1DIMM Socket Locations Populating Dimm SocketsDescription Socket Color Description Socket Color Removing Memory Modules Page Expansion Cards Graphics cards for use in models with Windows Item Description Page Page Page Page Page Cable Management Connector Name Connector Color Description Cable Connections Drives Drive Positions Installing Additional Drives System Board Drive Connections System Board Connector System Board Label Color Removing an Optical Drive Page Page Removing a Hard Drive Page Page Page Page Page Drives Front I/O and USB Panel Housing Assembly Page Removal and Replacement Procedures Microtower MT Chassis Power Switch/LED Assembly Remove the optical drive Removing an Optical Drive onPage System Fan Description Spare part number Fan 657103-001Page Fan Sink Assembly Page Processor Description Spare part number Intel Core i7 processors AMD Athlon II processors AMD Phenom II processorsAMD Sempron processor Page Page Processor Power Supply Description Spare part number Power supply, 300W 656721-001Page System Board Page Battery Page Preparation for Disassembly Description Spare part number Access panel 656832-001 Page Description Spare part number Front bezel 656835-001 GB, PC3-10600 585157-001 635803-001 635802-001 Populating Dimm Sockets Removing DIMMs Page Page Expansion Card Description Spare part number Graphics cards PCI Page Page Page Cable Management Cable Connections Drives Removing Drives Page Removing the Hard Drive Page Page Page Power Switch Page Front USB Assembly Page Page Fan Assembly Description Spare part number Fan 656834-001Page Fan Sink Description Spare part number Fan sink 657402-001Page 2600S 2.7 GHz, 8-MB L3 cache, 65W 638419-001 Page Power supply, 220W 656722-001 Power supply, 270W 665224-001 Page System Board Page Battery Page Troubleshooting Without Diagnostics Safety and Comfort Before You Call for Technical Support Helpful Hints Refer to Helpful Hints on page 145 in this guidePage Computer date and time display is incorrect Cause Solution Solving General ProblemsTable A-1Solving General Problems Computer will not respond to keyboard or mouse Cause Poor performance Cause Solution There is no sound or sound volume is too low Cause SolutionCannot remove computer cover or access panel Cause Advanced Device Options All apps icon Under Windows System, click Run Cause Solution Table A-2Solving Power Problems Solving Power ProblemsPower supply shuts down intermittently Cause Solution Some models, is set to the appropriate voltage. Proper Solving Hard Drive Problems Table A-3Solving Hard Drive Problems Storage Boot Order Nonsystem disk/NTLDR missing message Cause SolutionComputer will not boot from hard drive Cause Solution Device Configuration Computer seems to be locked up Cause Solution Table A-4Solving Media Card Reader Problems Solving Media Card Reader ProblemsCan not write to the media card Cause Computer’s software is used to safely eject the card Blank screen no video Cause Solution Solving Display ProblemsTable A-5Solving Display Problems Adjust screen resolution Dim characters Cause Solution No Connection, Check Signal Cable displays on screen Cause Image is not centered Cause SolutionSelect ImageControl/ Horizontal Position or Vertical Out of Range displays on screen Cause Certain typed symbols do not appear correct Cause Solving Audio Problems Table A-6Solving Audio Problems There is no sound or sound volume is too low Cause Sound from headphones is not clear or muffled CauseLine-in jack is not functioning properly Cause Printer will not print Cause Solution Solving Printer ProblemsTable A-7Solving Printer Problems Printer will not turn on Cause Solution Printer prints garbled information Cause Solution Solving Keyboard and Mouse Problems Table A-8Solving Keyboard Problems Table A-9Solving Mouse Problems Enter Control Panel , and then select Device Manager Solving Hardware Installation ProblemsTable A-10Solving Hardware Installation Problems Security USB Security Computer will not start Cause Solution Solving Network Problems Table A-11Solving Network Problems Network status link light never flashes Cause Solution Manager Diagnostics reports a failure Cause Solving Memory Problems Memory count during Post is wrong Cause Solution Table A-12Solving Memory ProblemsOut of memory error Cause Solution Insufficient memory error during operation Cause Solution Table A-13Solving Processor Problems Solving Processor ProblemsSolving CD-ROM and DVD Problems Table A-14Solving CD-ROM and DVD Problems Security Network Boot Movie will not play in the DVD drive Cause Solution Cannot eject compact disc tray-load unit Cause USB flash drive not found identified Cause Solution Solving USB Flash Drive ProblemsTable A-15Solving USB Flash Drive Problems System will not boot from USB flash drive Cause Solution Ports are set to Enabled in Security USB Security Solving Front Panel Component ProblemsSolving Internet Access Problems Unable to connect to the Internet Cause Solution Select Start Control Panel Click Internet Options Solving Software Problems Solving Software Problems Contacting Customer Support HP PC Hardware Diagnostics Why run HP PC Hardware Diagnostics How to access and run HP PC Hardware Diagnostics Downloading HP PC Hardware Diagnostics to a USB device System Restore Backup and RecoveryRestoring and recovering in Windows System Recovery System Recovery when Windows is responding System Recovery when Windows is not responding Creating recovery media Using recovery media Backup and recovery in Windows Backing up your information Performing a system recovery Using the Windows recovery tools Using f11 recovery tools Japanese Power Cord Requirements Power Cord Set RequirementsGeneral Requirements Country-Specific Requirements Country Accrediting Agency Post Error Messages Post Numeric Codes and Text Messages Table E-1Numeric Codes and Text Messages Appendix E Post Error Messages Verify monitor is attached and turned Replace diskette drive Select File Save Changes and Exit Test under Storage DPS Self-testOptions Sata Emulation to IDE, Security Drivelock Security. For each Appendix E Post Error Messages Bios Occurred prior to the ME firmware update Table E-2Diagnostic Front Panel LEDs and Audible Codes Activity Beeps Possible Cause Recommended Action Desktop Management Guide for more Appendix E Post Error Messages Password Security and Resetting Cmos Resetting the Password Jumper Models 3300/3305 Resetting the Password Jumper Model 7300/7500 Clearing and Resetting the Cmos Models 3300/3305 Clearing and Resetting the Cmos Model 7300/7500 Specifications Table G-1Specifications Model SFF SpecificationsTable G-2Specifications Rated Voltage Range Index CmosPage Sata