Option and then press the Enter key, Restart | HP dc5750 instruction

Table 2-10Solving Mouse Problems (continued)

Mouse does not respond to movement or is too slow.

Cause	Solution

	3.	Use the up or down arrow key to select the Shut Down
		option and then press the Enter key.
	4.	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.

Mouse may need repair.	See the Worldwide Limited Warranty for terms and conditions.

Wireless device error.	1.	Check the software, if available, for device status.
	2.	Check/replace device batteries.
	3.	Reset receiver and mouse.

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.

Mouse will only move vertically, horizontally, or movement is jerky.

Cause	Solution

Mouse roller ball or the rotating encoder shafts that make contact with the ball are dirty.

Remove roller ball cover from the bottom of the mouse and clean the internal components with a mouse cleaning kit available from most computer stores.

30 Chapter 2 Troubleshooting Without Diagnostics

ENWW

Image 36

HP dc5750 manual Option and then press the Enter key, After the shutdown is complete, plug the mouse, Restart

Contents

Troubleshooting Guide dc5750 Models Troubleshooting Guide Iii Iv About This Book Table of contents Appendix B Password Security and Resetting Cmos Accessing DPS Through Computer Setup HP Insight Diagnostics HP Insight Diagnostics Survey Tab Status Tab Log Tab Protecting the Software Select a language and click DownloadProtecting the Software Restoring the Software Safety and Comfort Before You Call for Technical Support Safety and Comfort Helpful 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 Solution Overrides the Boot Order enable command Security Password Options Solving Hard Drive Problems 4Solving Hard Drive Problems Solving Hard Drive Problems Storage Boot Order listComputer will not boot from hard drive Cause Solution Device Configuration Solving Media Card Reader Problems 5Solving Media Card Reader ProblemsCan not write to the media card Cause Solution Computer’s software is used to safely eject the card Solving Media Card Reader Problems Solving Display Problems 6Solving Display ProblemsBlank screen no video Cause Solution Solving Display Problems Dim characters Cause Solution Install the video drivers included in the upgrade kit Image is not centered Cause SolutionAdjust the horizontal or vertical position of the image Out of Range displays on screen Cause Solution Certain typed symbols do not appear correct Cause Solution Solving Audio Problems 7Solving Audio ProblemsSound cuts in and out Cause Solution Solving Audio Problems On the Properties tab, make sure Enable digital CDProperties Audio for this CD-ROM device is checked Solving Printer Problems 8Solving Printer Problems Solving Keyboard and Mouse Problems Solving Keyboard and Mouse Problems9Solving Keyboard Problems 10Solving Mouse Problems Option and then press the Enter key After the shutdown is complete, plug the mouseRestart Solving Hardware Installation Problems Solving Hardware Installation Problems11 Solving Hardware Installation Problems Computer will not start Cause Solution 11Solving Hardware Installation Problems Goes awayOnce bad card is identified, remove and replace bad Option card Solving Network Problems Solving Network Problems12Solving Network Problems Wake-on-LAN feature is not functioning Cause Solution Diagnostics reports a failure Cause Solution Network status link light never flashes New network card will not boot Cause Solution Solving Memory Problems 13Solving Memory ProblemsOut of memory error Cause Solution Memory count during Post is wrong Cause Solution Solving Memory Problems Solving Processor Problems 14Solving Processor ProblemsSome fans only operate when needed Make sure the processor heatsink is installed properly Solving CD-ROM and DVD Problems Solving CD-ROM and DVD Problems15Solving CD-ROM and DVD Problems Mode in Security Password Options Movie will not play in the DVD drive Cause Solution Cannot eject compact disc tray-load unit Cause Solution Enww Solving Drive Key Problems 16Solving Drive Key ProblemsUSB Drive Key not found identified Cause Solution System will not boot from USB Drive Key Cause Solution Solving 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 Double-clickPorts COM & LPT Solving Software Problems 19Solving Software Problems Contacting Customer Support Contacting Customer Support Enww Post Error Messages Appendix a Post Error Messages Post Numeric Codes and Text MessagesTable A-1Numeric Codes and Text Messages Control panel message Description Recommended action Post Numeric Codes and Text Messages Advanced Onboard Devices Control panel message Description Replace diskette drive Under Storage DPS Self-test Problem Problem goes away Network Server Mode Active and No Emulation back to RAID and select FileSave Changes and Exit Table A-2Diagnostic Front Panel LEDs and Audible Codes Is not spinning, make sure the fans cable is Activity Beeps Possible Cause Recommended Action Check that both power supply cables are Problem persists, replace the system boardProperly connected to the system board Check to see if the 5Vaux light on Cmos Resetting the Password Jumper Clearing and Resetting the Cmos Using Computer Setup to Reset Cmos Figure B-1 Cmos switch Drive Protection System DPS Accessing DPS Through Computer Setup Select Storage DPS Self-Test Index Index Enww