HP Pro 4300 manual Solving Front Panel Component Problems, Solving Internet Access Problems

Page 134

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.)

Solving Front Panel Component Problems 127

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Contents Maintenance & Service Guide Maintenance & Service Guide About This Book IiiTable of contents Sata Data Cable Smart ATA Drives Hard Drive Capacities 105 100103 110All-in One Models 152 ViiiProduct Features OverviewPage Component Front Components1Front Components Side Components 2Side ComponentsRear Components 3Rear ComponentsAdjusting Tilt 5Adjusting Tilt Product FeaturesActivating the Windows operating system Activating and Customizing the SoftwareActivating and customizing the software in Windows Customizing the monitor display Downloading Windows 7 updatesInstalling or upgrading device drivers Downloading Windows 8 updates Click Settings Change PC SettingsComputer Setup F10 Utility Computer Setup F10 Utilities1Computer Setup F10 Utility Using Computer Setup F10 UtilitiesComputer Setup F10 Utilities 2Computer Setup-File Computer Setup-FileComputer Setup F10 Utility Sata Defaults Computer Setup-Storage3Computer Setup-Storage OptionDescriptionSata Emulation Removable Media BootStorage Options ESATA Port Max eSATA SpeedDPS Self-Test Boot OrderShortcut to Temporarily Override Boot Order Computer Setup-Security 4Computer Setup-SecuritySlot Security Network BootMaster Boot Record System IDsSystem Security DriveLock Security Secure BootConfiguration Computer Setup-Power 5Computer Setup-PowerOption Heading Power-On Options Computer Setup-Advanced6Computer Setup-Advanced for advanced users Bus Options Bios Power-OnOnboard Devices Device OptionsAMT Configuration Recovering the Configuration SettingsVGA Configuration Sata Hard Drives Serial ATA Sata Drive Guidelines and FeaturesSerial ATA Hard Drive Characteristics Sata Hard Drive CablesSmart ATA Drives Hard Drive CapacitiesRoutine Care and Disassembly Preparation Preventing Electrostatic Damage to Equipment Electrostatic Discharge InformationGenerating Static Relative Humidity Event 55% 40% 10%Recommended Materials and Equipment Personal Grounding Methods and EquipmentGrounding the Work Area Static Shielding Protection LevelsOperating Guidelines Cleaning the Keyboard General Cleaning Safety PrecautionsCleaning the Computer Case Routine CareCleaning the Mouse Service ConsiderationsCleaning the Monitor Tools and Software RequirementsHard Drives Cables and ConnectorsLithium Coin Cell Battery Removal and Replacement Procedures All-in One AIO Chassis Preparing to Disassemble the ComputerHinge Cover Panel Page Memory Access Panel Page Drive Access Panel Page Optical Drive Page Hard Drive 16Removing the hard drive mounting screws Hard Drive Slide the hard drive out of the cage Memory 1Identifying Sodimm locations Location System Board Label ChannelPage Page Replacing the Battery Lift the battery out of its holder 26Removing and replacing a coin cell battery Type Heat Sink Cover Lift the cover from the computer Heat Sink Thermal Module Page Processor Remove the heat sink see Heat Sink Thermal Module onPage Top Panel Webcam Module Page Stand Rear Cover Fan 44 Fan screws Converter Board CMI Sidekey Board Disconnect the cable from the sidekey board System Board Shield 52System board shield location System Board ShieldPage Wlan Module Page Speakers Page Stand bracket Page System Board Updating Smbios Information System Board Press F10 to enter Computer SetupSetup Field Name Comment Label Hard Drive and Optical Drive Cables and Connectors Page Display Cable Page Front Bezel Lift the main system bracket assembly off the front bezel Display PanelPage Page Samsung Power Switch Assembly Page Troubleshooting Without Diagnostics Safety and Comfort Before You Call for Technical SupportHelpful Hints Page 1Solving General Problems Solving General ProblemsTroubleshooting Without Diagnostics Computer date and time display is incorrect Cause SolutionCannot remove computer cover or access panel Cause Solving General ProblemsThere is no sound or sound volume is too low Cause Solution Poor performance Cause SolutionAll apps icon Under Windows System, click RunCause Solution Power supply shuts down intermittently Cause Solution Solving Power Problems2Solving Power Problems Solving Power Problems Solving Hard Drive Problems 3Solving Hard Drive ProblemsSolving Hard Drive Problems Computer seems to be locked up Cause Solution 4Solving Media Card Reader Problems Solving Media Card Reader ProblemsSolving Media Card Reader Problems Can not write to the media card CauseComputer’s software is used to safely eject the card 5Solving Display Problems Solving Display ProblemsSolving Display Problems Dim characters Cause Solution Select ImageControl/ Horizontal Position or Vertical Image is not centered Cause SolutionNo Connection, Check Signal Cable displays on screen Cause Out of Range displays on screen Cause Certain typed symbols do not appear correct Cause Solving Audio Problems 6Solving Audio ProblemsThere is no sound or sound volume is too low Cause Solving Audio ProblemsSound from headphones is not clear or muffled Cause Line-in jack is not functioning properly CausePrinter will not print Cause Solution Solving Printer Problems7Solving Printer Problems Printer will not turn on Cause SolutionSolving Printer Problems Printer prints garbled information Cause SolutionSolving Keyboard and Mouse Problems 8Solving Keyboard ProblemsSolving Keyboard and Mouse Problems 9Solving Mouse ProblemsControl Panel , and then select Device Manager Solving Hardware Installation Problems10Solving Hardware Installation Problems Security USB SecuritySolving Hardware Installation Problems Computer will not start Cause SolutionSolving Network Problems 11Solving Network ProblemsManager Solving Network ProblemsNetwork status link light never flashes Cause Solution Diagnostics reports a failure Cause Solving Memory Problems Memory count during Post is wrong Cause Solution 12Solving Memory ProblemsOut of memory error Cause Solution Insufficient memory error during operation Cause SolutionSolving Processor Problems Solving Processor ProblemsSolving CD-ROM and DVD Problems 13Solving Processor ProblemsSecurity Network Boot Movie will not play in the DVD drive Cause SolutionSolving USB Flash Drive Problems Cannot eject compact disc tray-load unit CauseSystem will not boot from USB flash drive Cause Solution 15Solving USB Flash Drive ProblemsUSB flash drive not found identified Cause Solution Solving Front Panel Component Problems Solving Front Panel Component ProblemsSolving Internet Access Problems Ports are set to Enabled in Security USB SecuritySelect Start Control Panel Click Internet OptionsSolving Software Problems Solving Software ProblemsTroubleshooting Without Diagnostics Contacting Customer Support HP PC Hardware Diagnostics Why run HP PC Hardware DiagnosticsHow 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 RecoverySystem Recovery when Windows is responding Backup and RecoverySystem Recovery when Windows is not responding Creating recovery media Using recovery media Backup and recovery in Windows Backing up your informationFollow the on-screen instructions Performing a system recoveryBackup and recovery in Windows 8 Using f11 recovery tools Post Error Messages 1Numeric Codes and Text Messages Post Error MessagesPost Numeric Codes and Text Messages Control panel message Description Recommended actionActivity Blink Possible Cause Recommended Action Interpreting Post Diagnostic Front Panel LEDs2Diagnostic Front Panel LEDs and Audible Codes Password Security and Resetting CmosEstablishing a Setup or Power-on Password Establishing a Setup or Power-on PasswordResetting the Setup and Power-on Password Resetting Cmos General Requirements Power Cord Set RequirementsJapanese Power Cord Requirements Country-Specific Requirements Country Accrediting AgencyTable B-1Specifications SpecificationsAppendix B Specifications All-in One ModelsAll-in One Models Power SupplyMax Operating Power Index CmosSata

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