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HP nx9000 Reference Guide - Page 85

PC Card problems, Performance problems, If a PC Card modem is not working

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Troubleshooting and Maintenance Troubleshooting Your Notebook PC Card problems If the notebook doesn't recognize a PC Card • Remove and reinsert the PC Card. • Restart the notebook: select Start > Turn Off Computer > Restart. • Try the card in another computer to see whether the card functions properly. • Zoomed Video is not supported. • If the card requires an IRQ, make sure one is available. Open the hardware Device Manager: select Start > Control Panel > Performance and Maintenance > System. If a network PC Card stops communicating properly • The card may have been reset if the notebook entered Standby or shut off. Exit any applications, then remove and reinsert the card. • Check settings in Control Panel. If a PC Card modem is not working Disable the internal modem: 1. Open the hardware Device Manager: select Start > Control Panel > Performance and Maintenance > System. 2. Select Modem to list the current modem devices. 3. Select the internal modem, then select the option to disable the modem. Performance problems For best performance, your notebook should have at least 128 MB of memory (RAM). If the notebook pauses or runs sluggishly • This may be normal Windows behavior. Background processing can affect response time. • Certain background operations (such as a virus-scanning program) can affect performance. 76 Reference Guide

Section	Page
Important Safety Information	3
HP Software Product License Agreement	4
Contents	7
Getting Started with Your Notebook	11
Identifying Parts of the Notebook	12
Front panel and right panel components	12
Left panel and back panel components	14
Bottom panel components	16
Status lights	18
Setting Up Your Notebook	20
Step 1: Insert the battery	20
Step 2: Connect AC power	21
Step 3: Connect a phone line	22
Step 4: Turn on the notebook	23
Step 5: Set up Windows	23
Basic Operation	24
Operating Your Notebook	25
Default power settings	25
To reset the notebook	26
To change the boot device	26
To use the TouchPad	27
To use the function hot keys	28
To use the One-Touch buttons	29
To use the Windows and Applications keys	30
To use the ALT GR key	30
Using CDs or DVDs	31
To insert or remove a CD or DVD	31
To play DVD movies	32
To create or copy CDs	32
Securing Your Notebook	33
To set up password protection	33
To lock your notebook	33
To attach a security cable	34
To protect against viruses	34
To lock the hard drive	35
Taking Care of Your Notebook	36
To protect your hard drive	36
To maintain your notebook	36
To safeguard your data	37
To extend the life of the display	37
To clean your notebook	37
Batteries and Power Management	38
Managing Power Consumption	39
How the notebook manages power automatically	39
Using Battery Power	41
To check battery status	41
To respond to a low-battery warning	42
To recharge the battery	42
To get the most from your batteries	43
Modem and Network Connections	44
Using the Modem	45
To connect the modem	46
To change your modem settings	47
Connecting to a Local Area Network (LAN)	48
Making Wireless Network Connections (select models only)	49
To prepare for connections	49
To turn wireless communication on and off	51
Making Wireless Bluetooth Connections (select models only)	53
To turn Bluetooth communication on and off	53
To prepare for Bluetooth connections	54
To send or receive files using Bluetooth	55
Add-On Devices	56
Connecting PC Cards	57
To insert or remove a PC Card	57
Connecting External Devices	59
To connect an audio device	59
To use an external monitor	61
To connect an IEEE 1394 device (select models only)	62
To connect an infrared device (select models only)	63
To use a port replicator (select models only)	64
Installing Additional RAM (Memory)	67
To install a RAM expansion module	67
To remove a RAM expansion module	69
Replacing the Hard Drive	71
To replace the hard drive	71
To replace the hard drive holder	72
To prepare a new hard drive	73
Troubleshooting and Maintenance	74
Troubleshooting Your Notebook	75
Audio problems	75
CD-ROM and DVD problems	76
Display problems	77
Hard drive problems	78
Heat problems	79
Infrared problems	79
Keyboard and pointing device problems	80
Local area network (LAN) problems	81
Memory problems	82
Modem problems	82
PC Card problems	85
Performance problems	85
Power and battery problems	86
Printing problems	88
Serial, parallel, and USB problems	89
Startup problems	90
Wireless problems	91
Configuring Your Notebook	93
To run the BIOS Setup utility	93
To change video memory settings using BIOS Setup utility	96
Reinstalling and Updating Software	97
To replace a damaged QuickRestore System Recovery CD	97
Reference Information	98
Modem Reference Information	99
Modem Reference (Conexant)	99
Safety Information	106
Power cords	106
Battery safety	107
Laser safety	107
LED safety	108
Mercury safety	108
Exposure to radio frequency radiation	109
Regulatory Information	110
U.S.A.	110
Canada	112
European Union	113
Japan	115
New Zealand	116
Russia	117
International	117