HP dx2700 manual Solving Keyboard and Mouse Problems, Solving Keyboard Problems

Page 93

Troubleshooting Without Diagnostics

Solving Keyboard and Mouse Problems

Solving Keyboard Problems

Problem

Cause

Solution

Keyboard commands and

Keyboard connector

typing are not recognized

is not properly

by the computer.

connected.

1.Turn off the computer.

2.Reconnect the keyboard to the back of the computer and restart the computer.

Program in use has

Shut down the computer using

stopped responding

the mouse and then restart the

to commands.

computer.

 

 

Keyboard needs

Replace the keyboard.

repairs.

 

 

 

Computer is in

Press the power button to resume

standby mode.

from standby mode.

ÄCAUTION: 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 your data.

Cursor will not move using

The Num Lock key

Press the Num Lock key. The

the arrow keys on the

may be on.

Num Lock light should not be on if

keypad.

 

you want to use the arrow keys. The

 

 

Num Lock key can be disabled

 

 

(or enabled) in Computer Setup.

Mouse does not respond to movement or is too slow.

Mouse connector is not properly plugged into the back of the computer.

1.Shut down the computer using the keyboard.

2.Plug the mouse connector into the back of the computer (or the keyboard) and restart the computer.

Program in use has

Shut down the computer using the

stopped responding

keyboard and then restart the

to commands.

computer.

 

 

Mouse needs repairs.

Replace the mouse.

 

 

Computer is in

Press the power button to resume

standby mode.

from standby mode.

ÄCAUTION: 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 your data.

Mouse will only move

Mouse roller ball is

Remove roller ball cover from the

vertically or horizontally, or

dirty.

bottom of the mouse and clean it.

movement is jerky.

 

 

 

 

 

 

Service Reference Guide

431672-001

D–13

Page 92 Page 94
Image 93
Page 92 Page 94
Contents
Service reference guide September Service Reference GuideService Reference Guide Contents Contents Front I/O Panel Housing Assembly MT chassis Microsoft Windows XP/Redflag Linux Installing the Operating SystemConverting to Ntfs Associated with WinXP OS HP SoftwareWindows XP Home and XP Professional Power-On Self-Test Post Setup Utilities and Diagnostics FeaturesUsing Computer Setup F10 Utilities Computer Setup UtilitiesSetup Utilities and Diagnostics Features Computer Setup Menu Computer SetupHeading Option Description Heading OptionDescription Features Sata Port For each, allows you toCD-ROM Allows you to set Dvmt Mode to Parallel port Allows you to select a setting for the onboard S1 POS PnP/PCI IRQ Resources Configurations Recovering the Configuration Settings Backing up the CmosRestoring the Cmos FailSafe Boot Block ROM Initial Configuration and DeploymentDesktop Management ROM FlashPower Management Dual-State Power ButtonEstablishing a Supervisor Password Using Computer Setup Password SecurityEstablishing a User Password Using Computer Setup SecurityEntering a User Password Delimiter character as shown current password Current password/new password/new passwordNational Keyboard Delimiter Characters Surge-Tolerant Power SupplySerial ATA Drive Guidelines and Features Serial ATA Hard Drive CharacteristicsSata 1.5 and 3.0 Hard Drives Sata Hard Drive Cables Sata Power CableSata Data Cable Pin Number Usage Device Plug Host PlugSata Smart Drives Drive CapacitiesWindows 2000, XP, and Linux Native Mode Legacy ModeMicrotower MT/Small Form Factor SFF Chassis DesignationsDx2708 MT Dx2700SFF Generating Static Electrostatic Discharge InformationPreventing Electrostatic Damage to Equipment Relative Humidity Event 55% 40% 10%Grounding the Work Area Personal Grounding Methods and EquipmentRecommended Materials and Equipment Static Shielding Protection Levels Method VoltageGeneral Cleaning Safety Precautions Cleaning the Computer CaseRoutine Care Cleaning the Keyboard Cleaning the MonitorCleaning the Mouse Service Considerations Tools and Software RequirementsScrews Cables and Connectors Lithium Coin Cell BatteryHard Drives Preparation for Disassembly Access Panel MT Chassis Front Bezel MT Chassis Removing the Computer Access Panel Removing the Front Bezel Installing the Tower Stand Removing a 5.25 Drive Bezel Blank/MT Chassis Front Drive BezelsMemory Installing Memory Modules/MT chassisRotating the Easy Access Drive Bay Installing DDR2-SDRAM DIMMs SFF chassisInstalling a Dimm Expansion Cards Expansion Slot Cover Lock2 PCI/PCIe Expansion Card 431672-001 Removing the Expansion Slot Cover Installing an Expansion CardInstalling an Expansion Card Removing an Expansion Card Cable Management Locating Drive Positions DrivesRemoving a Drive Drive PositionsItem Description Desktop Drive Positions Locating Drive Positions SFF chassisRemoving an Optical Drive or Diskette Drive SFF chassis Installing an Optional Optical Drive SFF chassis Installing Guide Screws in the Optical Drive Connecting the Flat Ribbon Cable and Audio Cable Removing and Replacing the Hard Drive Upgrading the Hard Drive SFF chassisRemove the screw Slide the drive to the right of the bay Front I/O Panel Housing Assembly MT chassis System Fan Heatsink MT chassis Processor 431672-001 System Board Battery Battery Holder Power Supply Connector and Icon Pin Signal Connector Pin AssignmentsEnhanced Keyboard MouseConnector and Icon 1/8 miniphone Pin Signal Serial Interface, Powered and Non-PoweredParallel Interface MicrophoneLine-In Audio HeadphoneLine-Out Audio MonitorPin Power Pin Power for CPUConnector Pin Signal General Requirements Power Cord Set RequirementsPost Error Messages Post Error MessagesScreen Message Probable Cause Recommended Action Post Error Messages Default Settings Save and Exit Ensure the system board Bios supports the processorPost Error Messages Preliminary Checklist Troubleshooting Without DiagnosticsSolving General Problems Problem Cause SolutionStandby mode Num Lock key Problem Cause Solution Solving Hardware Installation Problems Interpreting Diagnostic Lights and Audible Codes Solving Display Problems Solving Display ProblemsSelect Enable VGA Mode Set properly Click Start All Programs Accessories System ToolsSolving Audio Problems Solving Audio ProblemsSolving Audio Problems Solving Printer Problems Solving Printer ProblemsWhere printer port is DIR C\ printer portSolving Keyboard Problems Solving Keyboard and Mouse ProblemsSolving Network Problems Solving Network ProblemsRestore Plus! CD Solving Memory Problems Solving Memory ProblemsSolving Processor Problems Solving Processor ProblemsSolving CD-ROM and DVD Problems Solving CD-ROM and DVD ProblemsSolving Internet Access Problems Solving Drive Key ProblemsSolving DiskOnKey Problems Solving Internet Access ProblemsPanel Select Start ControlOptions Delete Cookies buttonProperties Click the Device ManagerDiagnostic Front Panel LEDs and Audible Codes Diagnostic Front Panel LEDs and Audible CodesActivity Beeps Possible Cause Recommended Action Diagnostic Front Panel LEDs and Audible Codes Diagnostic Front Panel LEDs and Audible Codes Restoring the Software Contacting Customer Support Memory
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