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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 C-8 Solving 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 or Windows 7 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 C-9 Solving 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
computer.
Shut down the computer using the keyboard.
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.
Solving Keyboard and Mouse Problems 119
- Maintenance and Service Guide 1
- About This Book 3
- Table of contents 5
- 1 Product Features 9
- Front Panel Components 10
- Rear Panel Components 11
- Serial Number Location 12
- Software 13
- Computer Setup—File 18
- Computer Setup—Storage 19
- Computer Setup—Security 20
- Computer Setup—Power 22
- Computer Setup—Advanced 23
- SATA Hard Drives 25
- SATA Hard Drive Cables 25
- SMART ATA Drives 26
- Hard Drive Capacities 26
- Chassis Designations 27
- Generating Static 28
- Grounding the Work Area 29
- Operating Guidelines 30
- Routine Care 31
- Service Considerations 32
- Cables and Connectors 33
- Hard Drives 33
- Lithium Coin Cell Battery 34
- 6 Illustrated parts catalog 35
- Spare parts 29 37
- Spare parts 31 39
- Spare parts 33 41
- Spare parts 35 43
- Preparation for Disassembly 45
- Computer Access Panel 47
- Front Bezel 48
- Bezel Blanks 49
- System Board Connections 50
- Installing Additional Memory 51
- Populating DIMM Sockets 52
- Installing DIMMs 52
- Cable Management 61
- Drive Positions 63
- Description Spare part number 77
- Baffle 636921-001 77
- Front Fan Assembly 78
- Speaker 636925-001 80
- Heat sink 81
- Processor 84
- Power Supply 86
- P2 PWRCMD 87
- P3 PWRCPU 87
- System Board 88
- Type 1 Battery Holder 91
- Type 2 Battery Holder 91
- Type 3 Battery Holder 92
- Orientation 93
- Installing a Security Lock 94
- Installing a Security Lock 87 95
- Front Bezel Security 96
- A Power Cord Set Requirements 98
- Country-Specific Requirements 99
- B POST Error Messages 100
- Audible Codes 102
- Safety and Comfort 104
- Helpful Hints 105
- Solving General Problems 107
- Solving General Problems 101 109
- Solving Power Problems 111
- Solving Hard Drive Problems 113
- Solving Display Problems 118
- Solving Display Problems 111 119
- Solving Display Problems 113 121
- Solving Audio Problems 123
- Solving Printer Problems 125
- Solving Network Problems 131
- Solving Network Problems 125 133
- Solving Memory Problems 134
- Solving Memory Problems 127 135
- Solving Processor Problems 136
- Cause Solution 142
- Solving Software Problems 144
- Resetting the Password Jumper 146
- F System Recovery 151
- System Recovery options 152
- Recovery media 154
- G Specifications 156
Verwandte Produkte und Handbücher für Server / Workstation-Motherboards HP D8C84UT#ABA
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