HP dc5850 manual Solving Keyboard and Mouse Problems, 9Solving Keyboard Problems, Select Shut Down

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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 2-9Solving Keyboard Problems

Keyboard commands and typing are not recognized by the computer.

Cause

Solution

 

 

Keyboard connector is not properly connected.

1. On the Windows XP Desktop, click Start > Shut Down.

 

On the Windows Vista Desktop, 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 2-10Solving 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

 

 

 

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.

 

 

 

30 Chapter 2 Troubleshooting Without Diagnostics

ENWW

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Contents Troubleshooting Guide dc5850 Models Troubleshooting Guide Iii Iv About This Book Table of contents Appendix B Password Security and Resetting Cmos Accessing DPS Through Computer SetupHP Insight Diagnostics HP Insight DiagnosticsSurvey Tab Test Tab Log Tab Protecting the Software Select a language and click DownloadProtecting the Software HP Backup and Recovery Manager Safety and Comfort Before You Call for Technical Support Safety and ComfortHelpful Hints Helpful Hints Solving General Problems 1Solving General ProblemsComputer date and time display is incorrect Cause Solution Solving General Problems There is no sound or sound volume is too low Cause SolutionPoor performance is experienced Cause Solution Cause Solution Enww Solving Power Problems 2Solving Power ProblemsPower supply shuts down intermittently Cause Solution Solving Diskette Problems Solving Diskette Problems3Solving Diskette Problems Cannot format diskette Cause Solution Problem has occurred with a disk transaction Cause SolutionDiskette drive cannot read a diskette Cause Solution Invalid system disk message is displayed Cause SolutionStorage Boot Order BootSecurity Password Options Storage Storage Options Removable MediaSolving Hard Drive Problems 4Solving Hard Drive ProblemsHard drive error occurs Cause Solution Disk transaction problem Cause SolutionSolving Hard Drive Problems Nonsystem disk/NTLDR missing message Cause SolutionStorage Boot Order list Computer will not boot from hard drive Cause SolutionComputer seems to be locked up Cause Solution Solving Media Card Reader Problems Solving Media Card Reader Problems5Solving Media Card Reader Problems Can not write to the media card Cause SolutionEnww Solving Display Problems Solving Display Problems6Solving Display Problems Blank screen no video Cause SolutionDim characters Cause Solution Install the video drivers included in the upgrade kit Image is not centered Cause SolutionOut of Range displays on screen Cause Solution Select ImageControl/ Horizontal Position or VerticalCertain typed symbols do not appear correct Cause Solution Solving Audio Problems Solving Audio Problems 7Solving Audio Problems Sound cuts in and out Cause SolutionLine-in jack is not functioning properly Cause Solution Unsaved dataSolving Printer Problems Solving Printer Problems8Solving Printer Problems Solving Keyboard and Mouse Problems 9Solving Keyboard Problems10Solving Mouse Problems Select Shut DownSolving Keyboard and Mouse Problems Solving Hardware Installation Problems 11Solving Hardware Installation ProblemsComputer will not start Cause Solution Solving Hardware Installation Problems Goes awayOnce bad card is identified, remove and replace bad Option cardSolving Network Problems 12Solving Network ProblemsWake-on-LAN feature is not functioning Cause Solution Solving Network Problems Network status link light never flashes Cause SolutionDiagnostics reports a failure Cause Solution Drivers for a new expansion board were installed New network card will not boot Cause SolutionNetwork controller requires drivers Solving Memory Problems Solving Memory Problems13Solving Memory Problems Enww Solving Processor Problems Solving Processor Problems14Solving Processor Problems Some fans only operate when neededSolving CD-ROM and DVD Problems 15Solving CD-ROM and DVD ProblemsMode in Security Password Options Solving CD-ROM and DVD Problems Movie will not play in the DVD drive Cause SolutionCannot eject compact disc tray-load unit Cause Solution Solving Drive Key Problems 16Solving Drive Key ProblemsUSB Drive Key not found identified Cause Solution System will not boot from USB Drive Key Cause SolutionSolving Front Panel Component Problems Solving Front Panel Component Problems17Solving Front Panel Component Problems Solving Internet Access Problems 18Solving Internet Access ProblemsUnable to connect to the Internet Cause Solution Solving Internet Access Problems Click on System and MaintenanceDouble-clickAgere Systems PCI-SV92PP Soft ModemSolving Software Problems 19Solving Software ProblemsContacting Customer Support Contacting Customer SupportPost Error Messages Post Numeric Codes and Text Messages Post Numeric Codes and Text MessagesTable A-1Numeric Codes and Text Messages Control panel message Description Recommended actionIf the error persists after replacing Memory modulesMemory modules, replace the system BoardFlash Screen Image Corrupted Flash Screen image has errors Clear CMOS. See Appendix BVerify monitor is attached and turned Replace the graphics card if possibleUnder Storage DPS Self-test Enww Table A-2Diagnostic Front Panel LEDs and Audible Codes Activity Beeps Possible Cause Recommended ActionIs not spinning, make sure the fans cable is This procedure until failure occurs. Replace Device that is causing the failureReplace one device at a time and repeat Continue adding devices one at a time toCheck that both power supply cables are Problem persists, replace the system boardProperly connected to the system board Check to see if the 5Vaux light onCmos Resetting the Password Jumper Clearing and Resetting the Cmos Using Computer Setup to Reset CmosLocate, press, and hold the Cmos button in for five seconds Figure B-1 Cmos buttonDrive Protection System DPS Accessing DPS Through Computer Setup Select Storage DPS Self-TestIndex Index
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