Compaq Armada m700 - Notebook PC Información técnica Pagina 177
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Valorado. / 5. Basado en revisión del cliente
16-20 Troubleshooting
COMPAQ CONFIDENTIAL - NEED TO KNOW REQUIRED
Writer: Karen Williams Saved by: Karen Williams Saved date: 05/29/00 6:03 PM
Part Number: 168893-001 File name: CH16.doc
Solving USB Problems
Problem Possible Cause Solution
External device
connected to a
USB connector
does not work.
The operating system
limits external devices
connected by USB to two
tiers which can include
no more than two hubs
on the first tier and no
more than one keyboard
and one pointing device
on the first or second tier.
Reduce the number of
connected external USB
devices to no more than
two hubs on the first tier,
and no more than one
keyboard and one
pointing device on the
first or second tier.
External device
connected to
USB connector
does not work
during startup
(before
Windows 95,
Windows 98, or
Windows 2000
Professional
loads).
During startup, only two
tiers are supported by the
USB port. These tiers can
include no more than two
hubs on the first tier and
no more than one
keyboard and one
pointing device on the
first or second tier.
Use the external device
only after Windows 95,
Windows 98, or
Windows 2000
Professional has loaded.
Reduce the number of
connected external USB
devices to no more than
two hubs on the first tier,
and no more than one
keyboard and one
pointing device on the
first or second tier.
External devices
in lower tiers do
not work.
An unpowered hub is
connected to another
unpowered hub.
Use only powered hubs.
Make sure that all
unpowered hubs are
immediately preceded by
powered hubs in the USB
chain.
- EFERENCE 1
- SING THE 2
- Contents v 4
- ECURING THE 5
- Contents ix 8
- Contents xi 10
- AKING A 11
- OOK AT THE 11
- Top Components 12
- Left Side Components 13
- Right Side Components 14
- Front Components 15
- Rear Panel Components 16
- Bottom Components 17
- Component Function 19
- Pointing-Device Procedures 21
- Task Procedure 22
- Using the Fn Key 23
- Using Hotkeys 24
- 2-6 Using the Keyboard 25
- Stretching Text (Fn+T) 26
- Using the Easy Access Buttons 27
- Easy Access Buttons 28
- 2-10 Using the Keyboard 29
- Within a Scheme 30
- 2-12 Using the Keyboard 31
- Using the Keyboard 2-13 32
- 2-14 Using the Keyboard 33
- Storing a Battery Pack 35
- Replacing a Battery Pack 35
- Battery Bay 37
- MultiBay 39
- ANAGING 40
- Using Suspend and Hibernation 41
- Task Procedure Result 42
- Low-Battery Condition 44
- 4-6 Managing Power 45
- Charging a Battery Pack 46
- (Battery Quick Check) 47
- Calibrating a Battery Pack 49
- Running a Calibration 51
- Stopping a Calibration 51
- Setting Power Preferences 52
- Continued 54
- Choosing a Performance Mode 59
- Changing a Performance Mode 59
- Setting SpeedStep Preferences 60
- Using the SpeedStep Window 60
- Preference Procedure 61
- Using the SpeedStep Icon 62
- SpeedStep Icon Tasks 62
- Battery Conservation Settings 63
- Caring for Drives 64
- Selecting Drive Locations 65
- MultiBay Weight Saver 65
- Hard Drives 66
- 5-4 Using Drives 67
- Using Drives 5-5 68
- 5-6 Using Drives 69
- Using Drives 5-7 70
- CD-ROM and DVD-ROM Drives 71
- Using Drives 5-9 72
- 5-10 Using Drives 73
- Using Drives 5-11 74
- 5-12 Using Drives 75
- Using Drives 5-13 76
- Drive Assembly 77
- External Diskette Drive Bay 78
- Drive Bay 78
- SuperDisk LS-120 Drive 79
- Changing 80
- Sequence 80
- Selecting a MultiBoot Utility 81
- Computer Security 82
- Using Security Utilities 84
- Using a Power-on Password 85
- Setting a Power-on Password 86
- Entering a Power-on Password 87
- Using Quick Controls 88
- Securing the Computer 6-7 89
- Initiating QuickLock 90
- Exiting QuickLock 90
- Password 91
- Password in Computer Setup 91
- 6-10 Securing the Computer 92
- Using DriveLock 93
- 6-12 Securing the Computer 94
- Securing the Computer 6-13 95
- Disabling a Device 96
- Securing the Computer 6-15 97
- Managing System Information 98
- 6-18 Securing the Computer 100
- Compaq Computer Security 101
- 6-20 Securing the Computer 102
- SING AN 103
- NTERNAL 103
- IMPORTANT: 104
- Setting Up the Modem 105
- Loading a Lotus Script File 106
- Internationally 109
- Travel Connection Checklist 111
- (Windows 95 or Windows 98) 113
- (Windows NT 4.0) 114
- (Windows 2000 Professional) 115
- ONNECTING TO A 116
- Connecting to a LAN 117
- (Windows 95 and Windows 98) 119
- Reinstalling LAN Drivers 123
- Reinstalling Modem Drivers 123
- PGRADING 126
- Inserting or Removing a 127
- Memory Expansion Board 127
- Upgrading Memory 9-3 128
- Replacing the Keyboard 129
- UDIO AND 130
- Selecting an Audio Connector 131
- Adjusting Volume 132
- Changing the Video Mode 134
- Setting Video Preferences 134
- Using PC Cards 11-1 135
- Selecting a PC Card Slot 136
- Configuring a PC Card 136
- Inserting a PC Card 137
- Removing a PC Card 138
- NFRARED 139
- OMMUNICATION 139
- Enabling the Infrared Port 140
- Positioning the Infrared Port 141
- NTELLIGENT 142
- ANAGEABILITY 142
- OMPUTER 144
- ETUP AND 144
- IAGNOSTICS 144
- TILITIES 144
- Using Computer Setup 145
- Select To Do This 146
- Using Compaq Diagnostics 149
- AINTENANCE 151
- Downloading Software Updates 152
- Installing Software Updates 153
- Installing a System ROM 153
- Restoring Software 154
- Operating System 154
- Caring for the Computer 156
- chapter 158
- Quick Solutions Checklist 159
- Solving Audio Problems 160
- Solving Battery Problems 162
- Solving Hard Drive 166
- Problems 166
- Solving Infrared Problems 167
- Solving Modem Problems 169
- Solving PC Card Problems 173
- Solving Power Problems 175
- Solving Screen Problems 176
- Solving USB Problems 177
- USTOMER 178
- Worldwide Telephone Numbers 179
- Location 180
- Code Telephone Number 180
- EGULATORY 188
- Modifications 189
- Canadian Notice 190
- Avis Canadien 190
- Japanese Notice 190
- Airline Travel Notice 191
- Power Cords 191
- Battery Notice 191
- Energy Star Compliance 192
- German Ergonomics Notice 192
- Laser Safety 193
- Safety Precautions for Modems 194
- Telecom Network Approvals 194
- Use of Modems 195
- Regulatory Notices B-9 196
- NOTICE: 197
- European Union Notice 198
- New Zealand Modem Statements 199
- Regulatory Notices B-13 200
- LECTROSTATIC 201
- ISCHARGE 201
- Grounding Methods 202
- PECIFICATIONS 203
- Rated Input Power 204
- Port and COM Port Settings 204
- Modem Specifications 205
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