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Troubleshooting, Cannot connect to a WLAN

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11 Troubleshooting Cannot connect to a WLAN Before troubleshooting a network connection problem, be sure that device drivers are installed for all wireless 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, add wireless networking capability to the computer by purchasing a wireless networking device. Possible causes for wireless connection problems include: ● Changing the network configuration (SSID or security) ● Disabling or incorrectly installing the wireless device ● Failing wireless device or router hardware ● Encountering interference from other devices If you have a problem connecting to a WLAN, confirm that the integrated WLAN device is properly installed on the computer: NOTE: Windows includes the User Account Control feature to improve the security of the computer. You might be prompted for your permission or password for tasks such as installing software, running utilities, or changing Windows settings. For more information, see Help and Support. 1. Select Start > Control Panel > System and Security. 2. In the System area, click Device Manager. 3. Expand the list of Network adapters by clicking the plus (+) sign. 4. Identify the WLAN device from the Network adapters list. The listing for a WLAN device might include the term wireless, wireless LAN, WLAN, Wi-Fi, or 802.11. If no WLAN device is listed, either the computer does not have an integrated WLAN device, or the driver for the WLAN device is not properly installed. For more information on troubleshooting WLANs, see the website links provided in Help and Support. Cannot connect to a WLAN 89

Section	Page
Features	7
Identifying hardware	7
Components	8
Top components	8
TouchPad	8
TouchPad buttons	9
Lights	10
Buttons and Fingerprint Reader (select models only)	11
Keys	12
Front components	13
Right-side components	13
Left-side components	14
Bottom components	15
Display components	16
Wireless antennas (select models only)	17
Additional hardware components	18
Labels	19
Wireless, local area network, and modem	20
Using wireless devices	20
Identifying wireless and network status icons	21
Using the wireless controls	21
Using the wireless key	21
Using HP Wireless Assistant	22
Using operating system controls	22
Using a WLAN	23
Setting up a WLAN	23
Protecting your WLAN	24
Connecting to a WLAN	25
Roaming to another network	25
Using Bluetooth wireless devices (select models only)	26
Bluetooth and Internet Connection Sharing (ICS)	26
Connecting to a local area network	27
Pointing devices and keyboard	28
Using pointing devices	28
Setting pointing device preferences	28
Using the TouchPad	28
Turning the TouchPad on and off	29
Using TouchPad gestures	29
Scrolling	29
Pinching	30
Rotating	30
Using the touchscreen (select models only)	31
Calibrating the touchscreen	31
Performing actions on the touchscreen	32
Performing clicks	32
Performing flicks	32
Changing or testing click settings	32
Changing or creating flick assignments	32
Setting touchscreen preferences	33
Connecting an external mouse	33
Using the action keys	33
Using the hotkeys	35
Cleaning the TouchPad and keyboard	36
Multimedia	37
Multimedia features	37
Identifying your multimedia components	38
Adjusting the volume	39
Using the media activity keys	40
Multimedia software	41
Using HP MediaSmart software	41
Using other preinstalled multimedia software	41
Installing multimedia software from a disc	41
Audio	42
Connecting external audio devices	42
Checking your audio functions	42
Video	43
Connecting an external monitor or projector	43
Connecting an HDMI device	44
Configuring audio for HDMI (select models only)	44
Webcam	45
Power management	46
Setting power options	46
Using power-saving states	46
Initiating and exiting Sleep	46
Initiating and exiting Hibernation	47
Using the battery meter	47
Using power plans	47
Viewing the current power plan	48
Selecting a different power plan	48
Customizing power plans	48
Setting password protection on wakeup	48
Using external AC power	49
Connecting the AC adapter	50
Using battery power	51
Finding battery information in Help and Support	51
Using Battery Check	51
Displaying the remaining battery charge	51
Inserting or removing the battery	52
Charging a battery	53
Maximizing battery discharge time	53
Managing low battery levels	54
Identifying low battery levels	54
Resolving a low battery level	54
Resolving a low battery level when external power is available	54
Resolving a low battery level when a charged battery is available	54
Resolving a low battery level when no power source is available	54
Resolving a low battery level when the computer cannot exit Hibernation	54
Calibrating a battery	55
Conserving battery power	57
Storing a battery	57
Disposing of a used battery	57
Replacing the battery	57
Switching between graphics modes (select models only)	58
Shutting down the computer	58
Drives	60
Handling drives	60
Optical drive	61
Identifying the installed optical drive	61
Using optical discs	61
Selecting the right disc (CDs, DVDs, and BDs)	62
CD-R discs	62
CD-RW discs	62
DVD±R discs	62
DVD±RW discs	62
LightScribe DVD+R discs	62
Blu-ray discs (BD)	63
Playing a CD, DVD, or BD	63
Configuring AutoPlay	64
Changing DVD region settings	64
Observing the copyright warning	65
Copying a CD or DVD	65
Creating (burning) a CD or DVD	66
Removing a CD, DVD, or BD	67
Using external drives	68
Improving hard drive performance	69
Using Disk Defragmenter	69
Using Disk Cleanup	69
Using HP ProtectSmart Hard Drive Protection	70
Identifying HP ProtectSmart Hard Drive Protection status	70
Managing power with a parked hard drive	70
Using HP ProtectSmart Hard Drive Protection software	71
Replacing a drive in the primary hard drive bay	72
External devices	75
Using a USB device	75
Connecting a USB device	75
Removing a USB device	76
Using an eSATA device	76
Connecting an eSATA device	77
Removing an eSATA device	78
External media cards	79
Using Digital Media Slot cards	79
Inserting a digital card	79
Removing a digital card	80
Memory modules	81
Security	85
Protecting the computer	85
Using passwords	86
Setting passwords in Windows	86
Setting passwords in Setup Utility	87
Administrator password	87
Managing an administrator password	88
Entering an administrator password	88
Power-on password	88
Managing a power-on password	89
Entering a power-on password	89
Using antivirus software	90
Using firewall software	90
Installing critical security updates	91
Installing an optional security cable	91
Using the fingerprint reader (select models only)	92
Locating the Fingerprint Reader	92
Registering fingerprints	93
Using your registered fingerprint to log on to Windows	94
Troubleshooting	95
Cannot connect to a WLAN	95
Cannot connect to a preferred network	96
Network icon is not displayed	96
Current network security codes are unavailable	96
WLAN connection is very weak	97
Cannot connect to the wireless router	97
The optical disc tray does not open for removal of a CD, a DVD, or a BD	97
The computer does not detect the CD, DVD, or BD drive	98
A CD, DVD, or BD does not play	99
A CD, DVD, or BD does not play automatically	100
A DVD or BD movie stops, skips, or plays erratically	100
A DVD or BD movie is not visible on an external display	100
The process of burning a CD or DVD does not begin, or it stops before completion	100
A DVD or BD playing in Windows Media Player produces no sound or display	101
A device driver must be reinstalled	101
Obtaining the latest HP device drivers	101
Obtaining the latest Windows device drivers	102

Match case Limit results 1 per page

Troubleshooting

Cannot connect to a WLAN

Before troubleshooting a network connection problem, be sure that device drivers are installed for all

wireless 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, add wireless

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

Possible causes for wireless connection problems include:

●

Changing the network configuration (SSID or security)

●

Disabling or incorrectly installing the wireless device

●

Failing wireless device or router hardware

●

Encountering interference from other devices

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

installed on the computer:

NOTE:

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

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

utilities, or changing Windows settings. For more information, see Help and Support.

Select

Start

Control Panel

System and Security

In the System area, click

Device Manager

Expand the list of Network adapters by clicking the plus (+) sign.

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

include the term

wireless

wireless LAN

WLAN

Wi-Fi

, or

802.11

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

the driver for the WLAN device is not properly installed.

For more information on troubleshooting WLANs, see the website links provided in Help and Support.

Cannot connect to a WLAN