HP Armada m300 Specifications Page 43
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Troubleshooting
Table 2-15
Problem Possible Cause Solution
Modem does not dial correctly. Telephone number is not entered
correctly in the modems dialing
software.
■
Make sure the telephone number
you dialed is correct if you are using
the dialing directory or the terminal
mode.
■
Dial 1 if using dialing long distance.
■
The other line could be busy or not
answering.
■
Make sure call waiting is disabled.
■
The modem may not recognize an
international dial tone. Try the
ATX3DT command and the
telephone number.
Characters are garbled/transfer
rates are slow.
There is noise in the telephone
line.
■
Check your telephone and modem
cable connections. If they are a
little loose, they can cause noise
on the line.
■
Check with your local telephone
company for a phone line filter.
Phone line noise causing a
disconnection.
Hang-up Delay S Register (S10)
set too low.
Change S10 default to 150.
To set S10=150:
1.
Select Start
Æ
Programs
Æ
Accessories
Æ
HyperTerminal,
then go to Command Mode.
2.
Type
ATS10=150
and press
Enter.
This command causes the modem to
take longer to disconnect even if there
is no noise on the line.
No dial tone Phone service is not connected to
the telephone wall jack.
Verify that service from the local
phone company by following these
steps:
1.
Unplug the telephone cable from the
telephone wall jack.
2.
Connect a telephone to the jack,
pick up the handset, and listen for a
dial tone. If there is a dial tone,
reconnect the modem to the
telephone wall jack with the
telephone cable and make sure all
connections are secure.
3.
If there is still no dial tone, contact
your local phone company or
building manager.
The modem is not responding to
commands from the computer
keyboard.
Verify the modem and computer are
connected:
1.
Select Start
Æ
Programs
Æ
Accessories
Æ
HyperTerminal, then
go to Terminal Mode.
2.
Type
AT
and press the
Enter
key. If
the modem displays OK, the modem
and computer are working together.
If the modem displays ERROR, or
does not respond, restart the
computer and repeat step 1.
3.
Type
ATDT
and listen for dial tone.
4.
Type
ATH0
to hang up.
- Compaq Armada M300 1
- Series of Personal Computers 1
- DOCUMENTATION SURVEY 2
- MAINTENANCE AND SERVICE GUIDE 3
- CONTENTS 4
- SPECIFICATIONS 6
- USING THIS GUIDE 7
- Serial Number 8
- PRODUCT DESCRIPTION 9
- Table 1-1 10
- Table 1-2 11
- Features 12
- Accessing the Web Agent 13
- Asset Management 13
- Intelligent Manageability 13
- Fault Management 14
- Fault Management Alerts 14
- Security Management 14
- Configuration Management 15
- Managing Power 15
- Accessing Power Management 15
- Power Management Levels 15
- Figure 1-2. Top Components 16
- Table 1-3 17
- Top Components 17
- Table 1-4 18
- Left Side Components 18
- Table 1-5 19
- Right Side Components 19
- Table 1-6 20
- Front Components 20
- Table 1-7 21
- Rear Components 21
- Table 1-8 22
- Bottom Components 22
- 1.3 Design Overview 23
- System Board 23
- ROUBLESHOOTING 24
- 2.1 Preliminary Steps 25
- 2.2 Clearing Passwords 26
- 2.4 POST Error Messages 27
- Table 2-2 28
- Fatal Error Messages 28
- 2.5 Compaq Utilities 29
- Diagnostics for Windows 30
- Using Computer Setup 30
- File Menu 31
- Security Menu 31
- Advanced Menu 32
- Factory Default Settings 33
- Before Replacing Parts 35
- Obtaining Update Information 35
- Table 2-8 36
- Solving Audio Problems 36
- Table 2-9 37
- Table 2-9 38
- Table 2-10 39
- Table 2-11 39
- Table 2-12 40
- Solving Hard Drive 40
- Problems 40
- Table 2-13 41
- Solving Infrared 41
- Table 2-15 43
- Table 2-16 44
- Solving PC Card 44
- Table 2-19 47
- Solving USB 47
- ILLUSTRATED PARTS CATALOG 48
- Table 3-1 50
- Table 3-2 51
- Spare Part Number 136254-001 51
- 3.4 Mass Storage Devices 52
- 3.5 Miscellaneous 53
- REMOVAL AND REPLACEMENT 54
- PRELIMINARIES 54
- Cables and Connectors 55
- Workstation Precautions 57
- Table 4-1 59
- Table 4-2 59
- Static-Shielding Materials 59
- PROCEDURES 60
- Expansion Unit 62
- ➊ (Figure 5-4) 63
- 5.6 Battery Packs 65
- Replacing the Battery Pack 66
- 5.7 Hard Drives 67
- Inserting a Hard Drive 68
- 5.8 PC Cards 69
- Removing a PC Card 70
- Inserting a PC Card 71
- 5.9 Modem or Modem/NIC Card 72
- Remove the card 73
- ➊ (Figure 5-13) 74
- 5.11 Keyboard 75
- ➊ (Figure 5-15) 76
- Remove the keyboard 76
- 5.12 Memory Expansion 77
- ➋ snap into 78
- 5.13 Switch Cover 79
- ➊ (Figure 5-19) 80
- 5.14 Display Assembly 81
- 5.15 Top Cover with TouchPad 82
- ➊ from the system 83
- ➋, and swing the front 83
- 5.16 Voltage Converter Board 84
- 5.17 Modem Connector Board 85
- 5.18 PC Card Assembly 87
- 5.19 System Board 88
- ➊ (Figure 5-28) 89
- ➌, around the USB port ➌, and 89
- 6.2 Display 91
- 6.3 Hard Drive 92
- 6.4 Diskette Drive 93
- 6.5 Li-Ion Battery Pack 93
- 6.6 CD-ROM Drive 94
- 6.7 DVD-ROM Drive 95
- 6.8 System Interrupts 96
- 6.9 System DMA 96
- 6.10 System I/O Addresses 97
- 6.11 System Memory Map 98
- Index I-1 99
- I-2 Index 100
- Index I-3 101
- I-4 Index 102
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