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Troubleshooting wireless connection problems, Cannot connect to a WLAN

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Troubleshooting wireless connection problems Some possible causes for wireless connection problems include the following: ● Network configuration (SSID or security) has been changed. ● Wireless device is not installed correctly or has been disabled. ● Wireless device or router hardware has failed. ● Wireless device encountered interference from other devices. NOTE: Wireless networking devices are included with select computer models only. If wireless networking is not listed in the feature list on the side of the original computer package, you may add wireless networking capability to the computer by purchasing a wireless networking device. Before working your way through the sequence of possible solutions to your network connection problem, be sure that device drivers are installed for all wireless devices. Use the procedures in this chapter to diagnose and repair a computer that does not connect to the network you want to use. Cannot connect to a WLAN If you have a problem connecting to a WLAN, confirm that the integrated WLAN device is properly installed on your computer: NOTE: Windows includes the User Account Control feature to improve the security of your computer. You may be prompted for your permission or password for tasks such as installing software, running utilities, or changing Windows settings. Refer to Help and Support for more information. 1. Select Start > Control Panel > System and Security. 2. In the System area, click Device Manager. 3. Click the arrow next to Network adapters to expand the list and show all adapters. 4. Identify the WLAN device from the Network adapters list. The listing for a WLAN device may include the terms wireless, wireless LAN, WLAN, Wi-Fi, or 802.11. If no WLAN device is listed, either your computer does not have an integrated WLAN device, or the driver of the WLAN device is not properly installed. For more information on troubleshooting WLANs, refer to the Web site links provided in Help and Support. Cannot connect to a preferred WLAN network Windows can automatically repair a corrupted WLAN connection: ● If there is a network icon in the notification area, at the far right of the taskbar, right-click the icon, and then click Troubleshoot problems. Windows resets your network device and attempts to reconnect to one of the preferred networks. ● If there is no network icon in the notification area, follow these steps: 1. Select Start > Control Panel > Network and Internet > Network and Sharing Center. 2. Click Troubleshoot problems and select a network to repair. Troubleshooting wireless connection problems 21

Section	Page
Getting started	11
Using HP QuickWeb (select models only)	11
Features	12
Identifying hardware	12
Components	12
Top components	12
TouchPad	12
Lights	13
Keys	14
Front components	15
Right-side components	15
Left-side components	16
Bottom components	18
Display components	19
Wireless antennas	20
Additional hardware components	21
Labels	21
Wireless and local area networks	23
Using wireless devices	23
Identifying wireless and network status icons	23
Using the wireless controls	24
Using the wireless button	24
Using Wireless Assistant software	25
Using HP Connection Manager (select models only)	25
Using operating system controls	25
Using a WLAN	26
Setting up a WLAN	26
Protecting your WLAN	26
Roaming to another network	27
Using HP Mobile Broadband (select models only)	27
Inserting a SIM	28
Removing a SIM	29
Using Bluetooth wireless devices	30
Bluetooth and Internet Connection Sharing (ICS)	30
Troubleshooting wireless connection problems	31
Cannot connect to a WLAN	31
Cannot connect to a preferred WLAN network	31
Network icon for WLAN is not displayed	32
Current WLAN network security codes are unavailable	32
WLAN connection is very weak	33
Cannot connect to the wireless router	33
Connecting to a local area network (LAN)	33
Pointing devices and keyboard	35
Using pointing devices	35
Setting pointing device preferences	35
Using the TouchPad	35
Two-finger scrolling	35
Rotating (select models only)	36
Pinching (select models only)	36
Using the action keys	37
Using the hotkeys	38
Using keypads	39
Using the embedded numeric keypad	40
Enabling and disabling the embedded numeric keypad	40
Switching key functions on the embedded numeric keypad	41
Using an optional external numeric keypad	41
Cleaning the TouchPad and keyboard	41
Multimedia	42
Multimedia features	42
Adjusting the volume	42
Using the media activity keys	43
Multimedia software	43
Using HP MediaSmart software	44
Using multimedia software	44
Installing multimedia software from a disc	44
Audio	44
Connecting external audio devices	45
Checking your audio functions	45
Video	45
Connecting an external monitor or projector	46
Connecting an HDMI device	46
Configuring audio for HDMI (select models only)	47
Webcam	47
Webcam tips	48
Adjusting webcam properties	48
Power management	49
Setting power devices	49
Using power-saving states	49
Initiating and exiting Sleep	49
Initiating and exiting Hibernation	50
Using the battery meter	50
Using power plans	50
Viewing the current power plan	50
Selecting a different power plan	51
Customizing power plans	51
Setting password protection on wakeup	51
Using external AC power	51
Connecting AC power	52
Testing an AC adapter	52
Using battery power	53
Finding battery information in Help and Support	53
Using Battery Check	53
Displaying the remaining battery charge	54
Inserting or removing the battery	54
Charging a battery	55
Maximizing battery discharge time	56
Managing low battery levels	56
Identifying low battery levels	56
Resolving a low battery level	57
Resolving a low battery level when external power is available	57
Resolving a low battery level when a charged battery is available	57
Resolving a low battery level when no power source is available	57
Resolving a low battery level when the computer cannot exit Hibernation	57
Calibrating a battery	57
Step 1: Fully charge the battery	57
Step 2: Disable Hibernation and Sleep	58
Step 3: Discharge the battery	58
Step 4: Fully recharge the battery	59
Step 5: Reenable Hibernation and Sleep	59
Conserving battery power	59
Storing a battery	59
Disposing of a used battery	60
Replacing the battery	60
Shutting down the computer	60
Memory modules	61
Drives and external devices	64
Drives	64
Identifying installed drives	64
Handling drives	64
Improving hard drive performance	65
Using Disk Defragmenter	65
Using Disk Cleanup	65
Replacing the hard drive in the hard drive bay	66
Using HP ProtectSmart Hard Drive Protection (select models only)	68
Identifying HP ProtectSmart Hard Drive Protection status	68
Managing power with a parked hard drive	69
Using HP ProtectSmart Hard Drive Protection software	69
Using external drives	69
Connecting optional external drives	70
Sharing optical drives	70
External devices	71
Using a USB device	71
Connecting a USB device	71
Removing a USB device	71
Using Digital Media Slot cards	72
Inserting a digital card	72
Removing a digital card	73
Security	74
Protecting the computer	74
Using passwords	74
Setting passwords in Windows	75
Setting passwords in Setup Utility	75
Administrator password	76
Managing an administrator password	76
Entering an administrator password	76
Power-on password	76
Managing a power-on password	77
Entering a power-on password	77
Using antivirus software	77
Using firewall software	77
Installing critical security updates	78
Installing an optional security cable	78
Changing QuickWeb settings	79
Disabling and enabling QuickWeb	79
Setup Utility (BIOS)	80
Starting Setup Utility	80
Using Setup Utility	80
Navigating and selecting in Setup Utility	80
Changing the language of Setup Utility	80
Displaying system information	81
Restoring default settings in Setup Utility	81
Exiting Setup Utility	82
Setup Utility menus	82
Main menu	82
Security menu	82
System Configuration menu	82
Diagnostics menu	83
Updating the BIOS	83
Determining the BIOS version	83
Downloading a BIOS update	84
Updating programs and drivers	85
Backup and recovery	86
Creating recovery discs	86
Backing up your information	87
Using Windows Backup and Restore	88
Using system restore points	88
When to create restore points	88
Create a system restore point	88
Restore to a previous date and time	89
Performing a recovery	89
Recovering using the recovery discs	89
Recovering using the dedicated recovery partition	89

Match case Limit results 1 per page

Troubleshooting wireless connection problems

Some possible causes for wireless connection problems include the following:

●

Network configuration (SSID or security) has been changed.

●

Wireless device is not installed correctly or has been disabled.

●

Wireless device or router hardware has failed.

●

Wireless device encountered interference from other devices.

NOTE:

Wireless networking devices are included with select computer models only. If wireless

networking is not listed in the feature list on the side of the original computer package, you may add

wireless networking capability to the computer by purchasing a wireless networking device.

Before working your way through the sequence of possible solutions to your network connection

problem, be sure that device drivers are installed for all wireless devices.

Use the procedures in this chapter to diagnose and repair a computer that does not connect to the

network you want to use.

Cannot connect to a WLAN

If you have a problem connecting to a WLAN, confirm that the integrated WLAN device is properly

installed on your computer:

NOTE:

Windows includes the User Account Control feature to improve the security of your computer.

You may be prompted for your permission or password for tasks such as installing software, running

utilities, or changing Windows settings. Refer to Help and Support for more information.

Select

Start

Control Panel

System and Security

In the

System

area, click

Device Manager

Click the arrow next to

Network adapters

to expand the list and show all adapters.

Identify the WLAN device from the Network adapters list. The listing for a WLAN device may include

the terms

wireless

wireless LAN

WLAN

Wi-Fi

, or

802.11

If no WLAN device is listed, either your computer does not have an integrated WLAN device, or

the driver of the WLAN device is not properly installed.

For more information on troubleshooting WLANs, refer to the Web site links provided in Help and

Support.

Cannot connect to a preferred WLAN network

Windows can automatically repair a corrupted WLAN connection:

●

If there is a network icon in the notification area, at the far right of the taskbar, right-click the icon,

and then click

Troubleshoot problems

Windows resets your network device and attempts to reconnect to one of the preferred networks.

●

If there is no network icon in the notification area, follow these steps:

Select

Start

Control Panel

Network and Internet

Network and Sharing Center

Click

Troubleshoot problems

and select a network to repair.

Troubleshooting wireless connection problems