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HP dx2000 Solving Minor Problems, Num, Lock, Cause, Problem, standby, Num Lock, standby mode, Control Panel, The Num Lock key, Possible Solution, Solving Minor Problems

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Troubleshooting Without Diagnostics

Solving Minor Problems

Solving Minor Problems

Problem

Cause

Possible Solution

Computer appears locked up and will not turn off when the power button is pressed.

Software control of the power switch is not functional.

1.Press and hold the power button for at least four seconds until the computer turns off.

2.Disconnect electrical plug from outlet.

Computer will not	Computer is in	Press the power button to resume
respond to USB	standby mode.	from standby mode.
keyboard or mouse.

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.

Computer date and	RTC (real-time clock)	1.	Reset the date and time under
time display is	battery may need to be		Control Panel.
incorrect.	replaced.	2.	Replace the RTC battery.
		2.	Replace the RTC battery.

Computer appears to	Network driver is loaded	Establish a network connection, or
pause periodically.	and no network	use Computer Setup or Microsoft
	connection is established.	Windows Device Manager to disable
		the network controller.

Cursor will not move	The Num Lock key	Press the Num Lock key. The Num
using the arrow keys on	may be on.	Lock key can be disabled (or
the keypad.		enabled) in Computer Setup.

Cannot remove	Smart Cover Lock,	1.	Unlock the Smart Cover Lock
computer cover or	featured on some		using Computer Setup.
access panel.	computers, is locked.	2.	Use the Smart Cover FailSafe
		2.	Use the Smart Cover FailSafe
			Key in case of forgotten
			password, power loss, or
			computer malfunction.

Poor performance is	Processor is hot.	1.	Ensure airflow to the computer is
experienced.			not blocked.
		2.	Ensure the fans are connected
			and working properly (some fans
			only operate when needed).
		3.	Ensure the processor heatsink is
			installed properly.

	Hard drive is full.	Transfer data from the hard drive to
		create more space on the hard drive.

D–2

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Service Reference Guide, dx2000 uT

Contents

Page Page Service Reference Guide Service Reference Guide Contents 1 Installing the Operating System 2 Setup Utilities and Diagnostics Features 3 Desktop Management 4 Ultra ATA Drive Guidelines and Features 5 Identifying the Chassis, Routine Care, and Disassembly Preparation 6 Removal and Replacement Procedures— Microtower (µT) Chassis AConnector Pin Assignments BPower Cord Set Requirements CPOST Error Messages DTroubleshooting Without Diagnostics EMemory Page Installing the Operating System 1.1Microsoft Windows XP 1.1.1 Installing or Upgrading Device Drivers 1.2Converting to NTFS 1.2.1 Windows XP Home and XP Professional 1.3HP Software Setup Utilities and Diagnostics Features 2.1Power-On Self-Test(POST) 2.2 Computer Setup Utilities 2.2.1Using Computer Setup (F10) Utilities Esc File Save Changes and Exit Ignore Changes and Exit Set Defaults and Exit 2.2.2 Computer Setup Menu Page Page Page 2.3 Protecting the Software 2.4 Restoring the Software Desktop Management 3.1Initial Configuration and Deployment 3.2 ROM Flash 3.2.1 FailSafe Boot Block ROM 3.2.2Dual-StatePower Button 3.2.3 Power Management 3.2.4 World Wide Web Site 3.3Security 3.3.1 Password Security 3.3.2 Establishing a Setup Password Using Computer Setup 3.3.3 Establishing a Power-OnPassword Using Computer Setup Entering a Power-OnPassword Entering a Setup Password Changing a Power-Onor Setup Password Deleting a Power-Onor Setup Password National Keyboard Delimiter Characters Clearing Passwords 3.3.4 Surge-TolerantPower Supply Page Ultra ATA Drive Guidelines and Features 4.1Ultra ATA Jumpers 4.2Ultra ATA Cables 4.2.1 Cable Layout Single-DriveCable 4.3Drive Installation Guidelines 4.3.1 Device Classes General Attach Guidelines 4.3.2Attach Sequence Rules by Class Priority 4.3.3Attach Sequence Worksheet Example 1: Three Device Installation Sample Example 2: Four Device Installation Sample 4.3.4Additional Drive Application Notes 4.4 SMART 4.5 Drive Capacities Page Identifying the Chassis, Routine Care, and Disassembly Preparation 5.1Chassis Designations 5.1.1 Microtower (µT) 5.2Electrostatic Discharge Information 5.2.1 Generating Static 5.2.2 Preventing Electrostatic Damage to Equipment 5.2.3 Personal Grounding Methods and Equipment 5.2.4 Grounding the Work Area 5.2.5Recommended Materials and Equipment 5.3Routine Care 5.3.1General Cleaning Safety Precautions 5.3.2Cleaning the Computer Case 5.3.3 Cleaning the Keyboard 5.3.4Cleaning the Monitor 5.3.5Cleaning the Mouse 5.4Service Considerations 5.4.1 Power Supply Fan 5.4.2Tools and Software Requirements 5.4.3Screws 5.4.4 Cables and Connectors 5.4.5Hard Drives 5.4.6Lithium Coin Cell Battery Page Removal and Replacement Procedures— Microtower (µT) Chassis 6.1Preparation for Disassembly 6.2Access Panel 6.3Front Bezel 6.4Front Drive Bezels 6.4.1 5.25" Drive Bezel Blank 6.4.2 Diskette Drive Bezel 6.5 Memory 6.5.1Installing Memory Modules Page 6.6Expansion Card 6.7 Drives 6.7.1Drive Positions 6.7.2Removing a 5.25" Drive 6.7.3Removing a Diskette Drive 6.7.4Removing the Lower Drive Cage 6.7.5Removing a 3.5" Hard Drive 6.8Front USB Device 6.9Power Switch Assembly 6.10Speaker 6.11System Fan 6.12Processor and Heatsink 6.13 System Board 6.14 Battery Page 6.15Power Supply Connector Pin Assignments Parallel Interface Serial Interface, Powered and Non-Powered USB Microphone Connector and Icon (1/8" miniphone) Pin Headphone Line-InAudio Line-OutAudio Monitor ATA/ATAPI (IDE) Standard Drive Cable Connector 20-PinPower 4-PinPower (for CPU) Power Cord Set Requirements General Requirements Country-SpecificRequirements POST Error Messages Page Load Default Settings > Save and Exit Control Panel Page Troubleshooting Without Diagnostics Preliminary Checklist Solving Minor Problems Solving Minor Problems (Continued) Solving Power Supply Problems Solving Diskette Problems Solving Hard Drive Problems Solving Hard Drive Problems (Continued) Select File > Properties > Tools Under Error-checking,click Check Now Advanced Storage Boot Order list Solving Display Problems Solving Display Problems (Continued) Page Solving Audio Problems Solving Audio Problems (Continued) Output Mode Solving Printer Problems Solving Keyboard and Mouse Problems Solving Hardware Installation Problems Solving Hardware Installation Problems (Continued) Solving Network Problems Solving Network Problems (Continued) Network Solving Memory Problems Solving Processor Problems Solving CD-ROMand DVD Problems Solving Drive Key Problems Solving Internet Access Problems Solving Internet Access Problems (Continued) 1. Select Start > Control Panel Internet Options Select Start > Control click the Device Manager Ports (COM & LPT) Properties Page Memory DIMM Sockets Index