Compaq dx2818 - Microtower PC Spezifikationen Seite 151
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Poor performance is experienced.
Cause
Solution
Hard drive fragmented. Defragment hard drive.
Program previously accessed did not release
reserved memory back to the system.
Restart the computer.
Virus resident on the hard drive. Run virus protection program.
Too many applications running. 1. Close unnecessary applications to free up
memory. Some applications run in the
background and can be closed by right-
clicking on their corresponding icons in the
task tray. To prevent these applications from
launching at startup, go to Start > Run
(Microsoft Windows XP) or Start > All
Programs > Accessories > Run (Microsoft
Windows Vista) and type msconfig. On
the Startup tab of the System Configuration
Utility, uncheck applications that you do not
want to launch automatically.
CAUTION: Do not prevent applications from
launching at startup that are required for
proper system operation.
2. Add more memory.
Some software applications, especially games,
are stressful on the graphics subsystem
1. Lower the display resolution for the current
application or consult the documentation that
came with the application for suggestions on
how to improve performance by adjusting
parameters in the application.
2. Add more memory.
3. Upgrade the graphics solution.
Cause unknown. Restart the computer.
Blank screen (no video).
Cause
Solution
Monitor is not turned on and the monitor light is not
on.
Turn on the monitor and check that the monitor
light is on.
The cable connections are not correct. Check the cable connection from the monitor to
the computer and to the electrical outlet.
You may have a screen blanking utility installed or
energy saver features are enabled.
Press any key or click the mouse button and, if set,
type your password.
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.
Solving General Problems 141
- Service Reference Guide 1
- About This Book 3
- Table of contents 5
- 1 Product Features 11
- Rear Panel Components 13
- Keyboard 15
- Using the Windows Logo Key 16
- Serial Number Location 17
- Computer Setup—Main 21
- Computer Setup—Advanced 22
- Computer Setup—Power 24
- Computer Setup—Boot 25
- Computer Setup—Exit 26
- HP Insight Diagnostics 27
- Survey Tab 28
- Diagnose Tab 28
- Test Tab 29
- Status Tab 30
- Help Tab 31
- Protecting the Software 32
- Features 34
- SMART ATA Drives 35
- Hard Drive Capacities 35
- Chassis Designations 36
- Figure 6-3 Model dx2818 37
- Chassis Designations 27 37
- Small Form Factor (SFF) 38
- Generating Static 38
- Grounding the Work Area 40
- Operating Guidelines 41
- Routine Care 42
- Service Considerations 43
- Cables and Connectors 44
- Hard Drives 44
- Lithium Coin Cell Battery 45
- Microtower (MT) Chassis 46
- Preparation for Disassembly 47
- Access Panel 48
- Front Bezel 49
- Bezel Blanks 50
- Expansion Cards 55
- Cable Management 59
- Cable Connections 60
- Drive Positions 61
- Power Switch/LED Assembly 77
- System Fan 78
- Heatsink assembly 79
- Hood Sensor 91
- Port Cover 92
- Installing Additional Drives 100
- Removing an Optical Drive 102
- DDR2-SDRAM DIMMs 114
- Populating DIMM Sockets 115
- Installing DIMMs 116
- Front I/O Device 124
- Power Switch Assembly 125
- Heatsink 127
- Processor 128
- Power Supply 129
- System Board 131
- Type 1 Battery Holder 133
- Type 2 Battery Holder 133
- Type 3 Battery Holder 134
- Installing a Security Lock 135
- HP Business PC Security Lock 136
- A Connector Pin Assignments 138
- Parallel Interface 139
- Microphone 140
- Headphone 140
- Line-in Audio 140
- Line-out Audio 140
- 24-Pin Power 141
- PCI Express 142
- 4-Pin Power (for CPU) 144
- B Power Cord Set Requirements 145
- Country-Specific Requirements 146
- C Troubleshooting 147
- Helpful Hints 148
- Solving General Problems 149
- Audible Codes 153
- Contacting Customer Support 155
- D Specifications 156
- Small Form Factor 157
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