Solving Keyboard and Mouse Problems | HP 8200 SM774UP specs

Table C-9Solving 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.

Table C-10Solving Mouse Problems

Mouse does not respond to movement or is too slow.

Cause	Solution

Mouse connector is not properly plugged into the back of the	Shut down the computer using the keyboard.
computer.	1.	Press the Ctrl and Esc keys at the same time (or press
	1.	Press the Ctrl and Esc keys at the same time (or press
		the Windows logo key) to display the Start menu.
	2.	Use the arrow keys to select Shut Down and then
		press the Enter key.
	3.	After the shutdown is complete, plug the mouse
		connector into the back of the computer (or the
		keyboard) and restart.

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

Mouse may need cleaning.	Remove the roller ball cover on the mouse and clean the
	internal components.

Solving Keyboard and Mouse Problems 115

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HP 8200 SM774UP Solving Keyboard and Mouse Problems, Table C-9Solving Keyboard Problems, Table C-10Solving Mouse Problems

Contents

Maintenance & Service Guide Maintenance & Service Guide Iii About This Book Iv About This Book Table of contents Removal and Replacement Procedures All-in One AIO Chassis 107 101102 104 Viii Ethernet BNC 130Microphone 130 Headphone 131 Line-in Audio Line-out Audio All-in One Models 134 Overview Product FeaturesPage Component Front ComponentsFront Components 1Front Components 2Side Components Side Components Rear Components Rear Components3Rear Components 5Adjusting Tilt Product Features Adjusting Tilt Installing and Customizing the Software Installing the Operating SystemDownloading Microsoft Windows Updates Installing or Upgrading Device Drivers Windows systems Accessing Disk Image ISO FilesProtecting the Software Computer Setup F10 Utilities Computer Setup F10 Utility Using Computer Setup F10 Utilities 1Computer Setup-File Computer Setup-File Storage Options Removable Media Boot Computer Setup-Storage2Computer Setup-Storage Option Description Device Configuration Boot Order Shortcut to Temporarily Override Boot OrderDPS Self-Test 3Computer Setup-Security Computer Setup-Security Network Boot Slot SecuritySystem IDs DriveLock Security System Security 4Computer Setup-Power Computer Setup-Power 5Computer Setup-Advanced Computer Setup-Advanced Device Options AMT Configuration Sata Hard Drive Cables Serial ATA Sata Drive Guidelines and FeaturesSerial ATA Hard Drive Characteristics Sata Hard Drives Smart ATA Drives Hard Drive CapacitiesSmart ATA Drives Chassis Designation All-in OneAn all-in one form factor is available Relative Humidity Event 55% 40% 10% Electrostatic Discharge InformationGenerating Static Preventing Electrostatic Damage to Equipment Static Shielding Protection Levels Personal Grounding Methods and EquipmentGrounding the Work Area Recommended Materials and Equipment Operating Guidelines Routine Care General Cleaning Safety PrecautionsCleaning the Computer Case Cleaning the Keyboard Tools and Software Requirements Service ConsiderationsCleaning the Monitor Cleaning the Mouse Cables and Connectors Lithium Coin Cell BatteryHard Drives Preparing to Disassemble the Computer Removal and Replacement Procedures All-in One AIO Chassis Synchronizing the Optional Wireless Keyboard or Mouse Page Center Access Panel Stand Memory Access Panel Drive Access Panel Page Optical Drive Page 14Loosening the hard drive security screw Hard Drive Hard DrivePage Slide the hard drive out of the cage Memory 20Removing a memory module Memory Page Top Panel Webcam Module Page Rear Cover System Board Cover Page Sidekey Board Page Page Converter Board Page Speakers Wlan Module Page Heat Sink Thermal Module Lift the heat sink from the computer 44Removing the processor Processor ProcessorPage Fan Assembly Page Display Cable Page System Board Updating Smbios Information Go to Security System ID’s Setup Field Name Comment Label Removal and Replacement Procedures All-in One AIO Chassis Stand Bracket Page Hard Drive and Optical Drive Cables and Connectors Page Front Bezel Display Panel Page Page 60Samsung panel bracket locations Page Cmos Password Security and Resetting Appendix a Password Security and Resetting Cmos Establishing a Setup or Power-on Password Resetting a Setup or Power-on Password Clearing and Resetting the Cmos Locate, press, and hold the Cmos button in for five seconds Clearing and Resetting the Cmos Post Error Messages Post Numeric Codes and Text Messages Post Numeric Codes and Text MessagesTable B-1Numeric Codes and Text Messages Appendix B Post Error Messages Test under Storage DPS Self-test Appendix B Post Error Messages Bios Appendix B Post Error Messages Options SERR# Generation Disable Table B-2Diagnostic Front Panel LEDs and Audible Codes Activity Beeps Possible Cause Recommended Action Board needs to be replaced Troubleshooting Without Diagnostics Safety and ComfortSafety and Comfort Computer date and time display is incorrect Cause Solution Solving General ProblemsAppendix C Troubleshooting Without Diagnostics Table C-1Solving General Problems Solving General Problems There is no sound or sound volume is too low Cause SolutionPoor performance is experienced Cause Solution Cause Solution Solving Power Problems Solving Power ProblemsTable C-2Solving Power Problems Table C-3Solving Diskette Problems Solving Diskette Problems Solving Diskette Problems Table C-4Solving Hard Drive Problems Solving Hard Drive Problems Nonsystem disk/NTLDR missing message Cause Solution Solving Hard Drive ProblemsPower-On Advanced Power-On Options Computer seems to be locked up Cause Solution Computer will not boot from hard drive Cause Solution Can not write to the media card Cause Solving Media Card Reader ProblemsSolving Media Card Reader Problems Table C-5Solving Media Card Reader Problems Solving Display Problems Table C-6Solving Display ProblemsBlank screen no video Cause Solution Dim characters Cause Solution Solving Display Problems Image is not centered Cause Solution Out of Range displays on screen Cause SolutionSelect ImageControl/ Horizontal Position or Vertical Symbol. Click Start All Programs Accessories Certain typed symbols do not appear correct Cause Solution Table C-7Solving Audio Problems Solving Audio Problems Line-in jack is not functioning properly Cause Solving Audio ProblemsSound from headphones is not clear or muffled Cause There is no sound or sound volume is too low Cause Solving Printer Problems Solving Keyboard and Mouse ProblemsTable C-8Solving Printer Problems Solving Keyboard and Mouse Problems Table C-9Solving Keyboard ProblemsTable C-10Solving Mouse Problems Appendix C Troubleshooting Without Diagnostics Computer will not start Cause Solution Solving Hardware Installation ProblemsSolving Hardware Installation Problems Table C-11Solving Hardware Installation Problems Solving Network Problems Table C-12Solving Network Problems Solving Network Problems Diagnostics reports a failure Cause New network card will not boot Cause Solving Memory ProblemsSolving Memory Problems Table C-13Solving Memory Problems Insufficient memory error during operation Cause Solution Solving Processor ProblemsOut of memory error Cause Solution Memory count during Post is wrong Cause Solution Table C-15Solving CD-ROM and DVD Problems Solving CD-ROM and DVD ProblemsSolving CD-ROM and DVD Problems Table C-14Solving Processor Problems Cannot eject compact disc tray-load unit Cause Movie will not play in the DVD drive Cause Solution USB flash drive not found identified Cause Solution Solving USB Flash Drive ProblemsSolving USB Flash Drive Problems Table C-16Solving USB Flash Drive Problems Unable to connect to the Internet Cause Solution Solving Internet Access ProblemsTable C-17Solving Internet Access Problems System will not boot from USB flash drive Cause Solution Solving Internet Access Problems Table C-18Solving Software Problems Solving Software Problems Contacting Customer Support Microphone Connector Pin AssignmentsAppendix D Connector Pin Assignments Ethernet BNC Headphone Line-in AudioLine-out Audio Power Cord Set Requirements Japanese Power Cord RequirementsGeneral Requirements Country Accrediting Agency Country-Specific Requirements All-in One Models SpecificationsAppendix F Specifications Table F-1Specifications Index Audible codes 94 audio problems Sata