Solving keyboard and mouse problems | HP 8300 C5J37AWABA specs

Table 7-7Solving printer problems (continued)

Printer prints garbled information.

Cause	Solution

The cables may not be connected properly.	Reconnect all cables.

Printer memory may be overloaded.	Reset the printer by turning it off for one minute, then turn it
	back on.

Printer is offline.

Cause	Solution

The printer may be out of paper.	Check the paper tray and refill it if it is empty. Select online.

Solving keyboard and mouse problems

If you encounter keyboard or mouse problems, see the documentation that came with the equipment and to the common causes and solutions listed in the following table.

Table 7-8Solving keyboard problems

Keyboard commands and typing are not recognized by the computer.

Cause	Solution

Keyboard connector is not properly connected.	1. Click Start, click the arrow on the lower right corner of
	the Start menu, then select Shut Down.
	2. After the shutdown is complete, reconnect the keyboard
	to the back of the computer and restart the computer.

Program in use has stopped responding to commands.	Shut down your computer using the mouse and then restart
	the computer.

Keyboard needs repairs.	See the Worldwide Limited Warranty for terms and
	conditions.

Computer is in standby mode.	Press the power button to resume from standby mode.
	CAUTION: When attempting to resume from standby
	mode, do not hold down the power button for more than four
	seconds. Otherwise, the computer will shut down and you
	will lose any unsaved data.

Cursor will not move using the arrow keys on the keypad.

Cause

Solution

The Num Lock key may be on.

Press the Num Lock key. The Num Lock light should not be on if you want to use the arrow keys. The Num Lock key can be disabled (or enabled) in Computer Setup.

120 Chapter 7 Troubleshooting Without Diagnostics

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HP 8300 C5J37AWABA Solving keyboard and mouse problems, 8Solving keyboard problems, Printer is offline Cause Solution

Contents

Maintenance & Service Guide Maintenance & Service Guide About This Book Iii Iv About This Book Table of contents Removal and Replacement Procedures All-in One AIO Chassis 103 105107 108 Viii Interpreting Post diagnostic front panel LEDs 143Models 153 154 Product Features OverviewPage Component Front components1Front components Side components 2Side components 3Rear components Rear componentsRear components Downloading Microsoft Windows updates Installing and customizing the softwareInstalling the operating system Protecting the software Installing or upgrading device drivers Windows systemsAccessing disk image ISO files Computer Setup F10 Utility Computer Setup F10 utilities Using Computer Setup F10 utilities 1Computer Setup-File Computer Setup-FileComputer Setup F10 Utility Computer Setup-Storage 2Computer Setup-Storage Computer Setup-Security 3Computer Setup-Security Network Boot Master Boot RecordSlot Security System IDs System Security DriveLock Security Computer Setup-Power 4Computer Setup-Power Computer Setup-Advanced 5Computer Setup-AdvancedOption Heading Power-On Options Bios Power-On VGA Configuration Bus OptionsDevice Options Operations Serial ATA Sata Drive Guidelines and Features Serial ATA Hard Drive CharacteristicsSata Hard Drives Sata Hard Drive Cables Smart ATA Drives Smart ATA DrivesHard Drive Capacities Routine Care and Disassembly Preparation Electrostatic discharge information Generating staticPreventing electrostatic damage to equipment Relative Humidity Event 55% 40% 10% Personal grounding methods and equipment Grounding the work areaRecommended materials and equipment Static Shielding Protection Levels Operating Guidelines General cleaning safety precautions Cleaning the computer caseCleaning the keyboard Routine Care Service Considerations Cleaning the displayCleaning the mouse Tools and software requirements Hard drives Cables and connectorsLithium coin cell battery Removal and Replacement Procedures All-in One AIO Chassis Preparing to disassemble the computer Adjusting the tilt/swivel base Height adjustable/recline stand optional Page Removing the rear port cover Cable management cover Installing an access panel security screw Synchronizing the optional wireless keyboard or mousePage Access panel Page Stand Page 17Lower panel location To remove the access panel Lower panel Metal plate Metal plate is located under the standPage Remove the access panel see Access panel on Replacing drives Replacing drivesPage Page Page Replacing the optical disc drive 28Optical drive locationPage Page Memory 1Identifying Sodimm locations Location System Board Label ChannelPage Replacing the battery Page Serial port 39Serial port location To remove the serial portPage Remove the access panel see Access panel on Webcam module Webcam modulePage Page Converter board 45Converter board location To remove the converter boardPage Inch Touch sensor board Page To remove the heat sink Heat sinks Graphics board and processorGraphics heat sink Processor heat sink model Processor heat sink model Lift the heat sink assembly from the computer Processor MSATA Solid-State Drive Wlan module To remove the mSATA SSDPage Page Graphics board 59Graphics board location To remove the graphics boardPage Speakers 61Speaker location To remove the speakers Fan Side panels 64Side panel locations To remove the side panels Rotate the panel out and off of the computer Power supply 66Power supply location To remove the power supply 68Removing the power supply Power supply Page System board Remove the processor see Processor onPage Page Page Page Updating Smbios Information Setup Field Name Comment Label Card reader board Page Power button board Page Page Front bezel Page Right 4 screws Bottom 2 screw Antenna Page To install the antenna, reverse the removal procedures Display panelPage 86Display panel screw locations 6300 models CMI panel Page Page Inch Hood sensor Page Hard drive and optical drive cables and connectors Page Safety and comfort Troubleshooting Without DiagnosticsSafety and comfort Solving general problems Troubleshooting Without Diagnostics1Solving general problems Computer date and time display is incorrect Cause Solution Poor performance is experienced Cause Solution Solving general problemsThere is no sound or sound volume is too low Cause Solution Cause Solution Solving power problems Solving hard drive problemsSolving power problems 2Solving power problems Disk transaction problem Cause Solution Drive not found identified Cause SolutionPower-On Advanced Power-On Options Solving hard drive problems Computer will not boot from hard drive Cause SolutionStorage Boot Order Computer seems to be locked up Cause Solution Can not write to the media card Cause Solving media card reader problems4Solving media card reader problems Solving display problems Solving display problems5Solving display problems Blank screen no video Cause Solution Out of Range displays on screen Cause Solution 6Solving audio problems Solving audio problemsSolving audio problems Enable digital CD audio for this CD-ROM device is Sound from headphones is not clear or muffled CauseAdvanced Device Options Internal Speaker Line-in jack is not functioning properly Cause 7Solving printer problems Solving printer problemsSolving printer problems Solving keyboard and mouse problems 8Solving keyboard problemsPrinter prints garbled information Cause Solution Printer is offline Cause Solution Solving keyboard and mouse problems 9Solving Mouse Problems Solving hardware installation problems 10Solving hardware installation problemsComputer will not start Cause Solution Security USB Security Solving hardware installation problems Solving network problems 11Solving network problems Solving network problems Diagnostics reports a failure Cause Solution New network card will not boot Cause Solving memory problems12Solving memory problems Solving memory problems Out of memory error Cause SolutionMemory count during Post is wrong Cause Solution Insufficient memory error during operation Cause Solution Solving processor problems Solving CD-ROM and DVD problems13Solving processor problems 14Solving CD-ROM and DVD problems Solving CD-ROM and DVD problems Movie will not play in the DVD drive Cause Solution Cannot eject compact disc tray-load unit Cause Solving USB flash drive problems15Solving USB flash drive problems 16Solving internet access problems Solving internet access problemsSolving internet access problems Unable to connect to the Internet Cause Click Network and InternetClick Internet Options Click on Hardware and Sound 17Solving software problems Solving software problemsSolving software problems Post Error Messages Post Numeric Codes and Text Messages Post Numeric Codes and Text Messages1Numeric Codes and Text Messages Control panel message Description Recommended action Post Error Messages Verify monitor is attached and turned Test under Storage DPS Self-test Options Sata Emulation to IDE,Select File Save Changes and Exit Security Drivelock Security. For each Post Numeric Codes and Text Messages Bios Occurred prior to the ME firmware update Post Error Messages Interpreting Post diagnostic front panel LEDs Interpreting Post diagnostic front panel LEDs2Diagnostic front panel LEDs and audible codes Activity Desktop Management Guide for more Interpreting Post diagnostic front panel LEDs Password Security and Resetting Cmos Establishing a Setup or Power-on password Establishing a Setup or Power-on password Resetting the Setup and Power-on password Clearing and resetting the Cmos Locate, press, and hold the Cmos button in for five seconds Cmos button General requirements Power Cord Set RequirementsJapanese Power Cord Requirements Country Accrediting Agency Appendix a Power Cord Set RequirementsCountry-specific requirements Specifications Table B-1SpecificationsModels Models Appendix B Specifications Table B-2Specifications Index Cmos Sata