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HP Pavilion ze4900 Reference Guide - Page 75

If the Modem Is Not Detected, If the Modem Dials, But You Cannot Hear It, If the Modem Connects

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Troubleshooting If the Modem Is Not Detected ■ Check the modem setup. In Control Panel, open Phone and Modem Options. Check the COM port. ■ Open the hardware Device Manager. Select Start > Control Panel > Performance and Maintenance > System. If the modem is disabled, try to enable it. If it has a conflict, try disabling another device. ■ If you are running fax software using fax Class 2, try using Class 1. If the Modem Dials, But You Cannot Hear It ■ If your model has an audio mute light, make sure it is turned off. If it is on, press the audio mute button. ■ Check the speaker volume setting. ■ In Control Panel, open Phone and Modem Options, then select the modem and select Properties. Check the volume setting on the General tab. If the Modem Connects, But Transferred Data Is Bad ■ In Control Panel, open Phone and Modem Options. Make sure the parity, speed, word length, and stop bits match on sending and receiving modems. ■ Try a different phone line or dial a different server number. If the Modem Causes an ERROR Message A string of AT commands may contain an incorrect command. If you entered commands as extra settings for the modem in Control Panel or in your communications software, check the commands. 6-12 Reference Guide

Section	Page
Contents	3
Getting Started with Your Notebook	7
Identifying Parts of the Notebook	7
Front Panel and Right Panel Components	8
Left Panel and Back Panel Components	9
Bottom Panel Components	10
Status Lights	11
Setting Up Your Notebook	13
Step 1: Insert the Battery Pack	13
Step 2: Connect AC Power	14
Step 3: Connect a Phone Line	15
Step 4: Turn On the Notebook	16
Step 5: Set Up Windows	17
Basic Operation	18
Operating Your Notebook	18
Default Power Settings	19
To Reset the Notebook	20
To Change the Boot Device	20
To Use the TouchPad	21
To Use the Tap to Click Function of the TouchPad	22
To Use the Function Hot Keys	23
To Use the One-Touch Buttons	24
To Use the Windows and Applications Keys	25
To Type Alternate Graphics Using the ALT GR Key	26
Using CDs or DVDs	27
To Insert or Remove a CD or DVD	27
To Play DVD Movies	28
To Write to DVD Media (Select Models Only)	29
To Create or Copy CDs	29
Securing Your Notebook	30
To Set Up Password Protection	30
To Lock Your Notebook	30
To Attach an Optional Security Cable	31
To Protect Against Viruses	31
To Lock the Hard Drive	32
Taking Care of Your Notebook	32
To Protect Your Hard Drive	32
To Maintain Your Notebook	33
To Safeguard Your Data	33
To Extend the Life of the Display	34
To Clean Your Notebook	34
Battery Packs and Power Management	35
Managing Power Consumption	35
How the Notebook Manages Power Automatically	36
To Change Timeout Settings and Create Power Schemes	37
Using Battery Power	37
To Check Battery Status	37
To Respond to a Low-Battery Warning	38
To Recharge the Battery Pack	39
To Get the Most from Your Battery Packs	39
Disposing of a Used Battery Pack	41
Modem and Network Connections	42
Using the Modem	42
To Connect the Modem	43
Special Restrictions in Certain Countries	44
To Change Your Modem Settings	45
Connecting to a Local Area Network (LAN)	46
Making Wireless Network Connections (Select Models Only)	47
To Turn Wireless Communication On and Off	48
Turning On Communication and Making a Connection	48
Turning Off Communication and Ending a Connection	49
Add-On Devices	50
Connecting External Devices	50
To Insert or Remove a PC Card	50
Inserting a PC Card	50
Removing a PC Card	51
To Connect an Audio Device	52
To Connect a TV to Your Notebook (Select Models Only)	53
Switching the Display to the External Monitor (Select Models Only)	54
Adjusting Monitor Resolution and Other Settings	54
Using Dual Display Mode	55
To Connect a 1394 Device (Select Models Only)	56
To Connect an Infrared Device (Select Models Only)	56
Using the Infrared Port	57
Avoiding Standby While Using Infrared	57
Printing to an Infrared Printer	57
Transferring Files Through an Infrared Connection	57
Installing Additional RAM (Memory)	58
To Install a RAM Expansion Module	58
To Remove a RAM Expansion Module	59
Replacing the Hard Drive	61
To Replace the Hard Drive	61
To Replace the Hard Drive Holder	62
To Prepare a New Hard Drive	63
Troubleshooting	64
Troubleshooting Your Notebook	64
Audio Problems	65
If No Sound is Audible	65
If Sound Does Not Record	65
If You Hear Loud, High-Pitched Feedback from the Speakers	65
CD-ROM and DVD Problems	66
If You Cannot Boot from a CD or DVD	66
If a DVD Plays Erratically	66
If You Get a Region Code Error When Playing a DVD Movie	66
If the Notebook Cannot Read a CD or DVD	66
If a DVD Movie Does Not Fill the Screen	67
If a DVD Does Not Play with Two Displays	67
If the Notebook Cannot Find Wordpad.exe After Inserting a CD	67
Display Problems	67
If the Notebook Is On, But the Screen Is Blank	67
If the Screen Is Difficult to Read	68
If an External Display Does Not Work	68
Hard Drive Problems	68
If the Notebook Hard Drive Does Not Spin	68
If the Hard Disk Makes a Buzzing or Whining Noise	68
If Files Are Corrupted	69
Heat Problems	69
If the Notebook Gets Abnormally Hot	69
Infrared Problems	70
If You Have Problems with Infrared Communications	70
Keyboard and Pointing Device Problems	70
If the Pointer Is Difficult to Control	70
If the TouchPad Does Not Work	71
If the TouchPad Moves the Pointer or Cursor While You Type	71
Local Area Network (LAN) Problems	71
If the Built-In Network Adapter Does Not Connect to the LAN	71
If You Cannot Browse the Network Neighborhood or My Network Places	72
If You Cannot Log In to Netware Servers	72
If a Network Connection Responds Slowly	72
Memory Problems	72
If a Message Reports You Are Out of Memory	72
If Memory Does Not Increase After Adding RAM	72
If the Notebook Beeps But Does Not Start After Adding RAM	73
Modem Problems	73
If the Modem Seems Slow	73
If the Modem Does Not Dial or No Dial Tone Is Detected	73
If the Modem Dials Incorrectly	74
If the Modem Dials, But Does Not Connect	74
If the Modem Is Not Detected	75
If the Modem Dials, But You Cannot Hear It	75
If the Modem Connects, But Transferred Data Is Bad	75
If the Modem Causes an ERROR Message	75
If the Modem Does Not Fax	76
If Excessive Line Current Is Detected	76
If the Modem Clicks Repeatedly, But Does Not Connect	76
PC Card (PCMCIA) Problems	76
If the Notebook Does Not Recognize a PC Card	76
If a Network PC Card Stops Communicating Properly	77
If a PC Card Modem Is Not Working	77
Performance Problems	77
If the Notebook Pauses or Runs Sluggishly	77
If the Notebook Stops Responding	78
Power and Battery Pack Problems	78
If the Notebook Turns Off Immediately After It Turns On	78
If the Notebook Keeps Beeping	79
If the Battery Pack Does Not Charge	79
If the Notebook Has a Short Operating Time	79
If the Time Remaining for the Battery Pack Is Not Correct	80
If the Notebook Does Not Enter Standby Mode as Expected	80
If the Notebook Does Not Enter Hibernation as Expected	80
Printing Problems	81
If a Serial or Parallel Printer Does Not Print	81
If the Left Edge of Printed Output Is Missing	81
If an Infrared Printer Does Not Print	81
Serial, Parallel and USB Problems	82
If a Serial Mouse Does Not Work	82
If a Serial Modem Does Not Work Properly	82
If the Serial or Parallel Port Is Not Working	83
If the USB Port Is Not Working	83
Startup Problems	83
If the Notebook Does Not Respond When You Turn It On	83
If the Notebook Will Not Boot from Battery Power	83
If the Notebook Will Not Boot from the Diskette Drive	84
If the Notebook Stops Responding After Booting	84
If the Notebook Takes a Long Time to Resume After Entering Standby	84
Wireless Problems	85
If You Have Problems with Wireless 802.11 Communication	85
If You Have Trouble Connecting to Another Notebook in the Network Neighborhood or My Network Places	85
If You Cannot Connect to a Particular Notebook on the Network	86
If You Can Connect, But the Network Is Slow	86
Configuring Your Notebook	87
To Run the BIOS Setup Utility	87
Updating Software and Drivers from the Web	92
Using System Recovery Features	92
Safeguarding Your Data	93
Operating System (OS) CD Repair	94
OS CD Reinstall	95
Reinstalling Drivers	96
Restoring Software Applications	96