HP Pavilion Dv7t 7000 Cto Quad Edition Entertainment Notebook Pc Manual

12 Specifications
Input power 
The power information in this section may be helpful if you plan to travel internationally with the
computer.
The computer operates on DC power, which can be supplied by an AC or a DC power source. The
AC power source must be rated at 100–240 V, 50–60 Hz. Although the computer can be powered
from a standalone DC power source, it should be powered only with an AC adapter or a DC power
source supplied and approved by HP for use with this computer.
The computer can operate on...

Operating environment
Factor Metric U.S.
Temperature
Operating5°C to 35°C41°F to 95°F
Nonoperating-20°C to 85°C-4°F to 185°F
Relative humidity (noncondensing)
Operating5% to 95%5% to 95%
Nonoperating5% to 95%5% to 95%
Maximum altitude (unpressurized)
Operating-15 m to 3,048 m-50 ft to 10,000 ft
Nonoperating-15 m to 15,240 m-50 ft to 50,000 ft
82 Chapter 12   Specifications 

13 Troubleshooting and support
●Troubleshooting
●
Contacting customer support
83 

Troubleshooting
Disc drive problems
If the disc tray fails to open normally, follow these steps:
1.Insert the end of a paper clip into the release access (1) in the front bezel of the drive.
2.Press in gently on the paper clip until the tray is released, and then pull out the tray (2) until it
stops.
3.Remove the disc (3) from the tray by gently pressing down on the spindle while lifting the outer
edges of the disc. Hold the disc by the edges and avoid touching the flat surfaces.
NOTE:If the tray is not...

Cannot connect to a WLAN
If you have a problem connecting to a WLAN, confirm that the integrated WLAN device is turned on
and properly installed on your computer.
1.If the wireless light is off or amber, press the wireless button, wireless switch, or wireless key to
turn the wireless device on.
2.Then try connecting to the WLAN again.
If you are still unable to connect, follow the steps below.
1.Select Start > Control Panel > System and Security.
2.In the System area, click Device Manager.
3.Click the...

Current network security codes are unavailable
If you are prompted for a security code (or network key) or a name (SSID) when connecting to a
WLAN, the network is protected by security. You must have the current codes to make a connection
on a secure network. The SSID and security code are alphanumeric codes that you enter into your
computer to identify your computer to the network.
●For a network connected to your personal wireless router, review the router user guide for
instructions on setting up the...

Cannot connect to the wireless router
If you are trying to connect to the wireless router and are unsuccessful, reset the wireless router by
removing power from the router for 10 to 15 seconds.
If the computer still cannot make a connection to a WLAN, restart the wireless router. For details, see
the router manufacturers instructions.
Network status icon is not displayed
If the network status icon is not displayed in the notification area after you configure the WLAN, the
software driver is either...

Power management problems
Some possible causes for power management problems include the following:
●Low battery levels
●AC adapter problems
Resolving a low battery level
Resolving a low battery level when external power is available
●Connect an AC adapter.
●Connect an optional docking or expansion device.
●Connect an optional power adapter purchased as an accessory from HP.
Resolving a low battery level when no power source is available
●Initiate Hibernation.
●Save your work and shut down the computer....

3.Connect the AC adapter to the computer, and then plug it into an AC outlet.
4.Turn on the computer.
●If the power lights turn on, the AC adapter is working properly.
●If the power lights remain off, check the connection from the AC adapter to the computer
and the connection from the AC adapter to the AC outlet to make sure the connections are
secure.
●If the connections are secure and the power lights remain off, the AC adapter is not
functioning and should be replaced.
Contact customer support for...

Contacting customer support
If the information provided in this user guide or in Help and Support does not answer your questions,
you can contact HP Customer Support at 
http://www.hp.com/go/contactHP.
NOTE:For worldwide support, click Contact HP worldwide on the left side of the page, or go to
http://welcome.hp.com/country/us/en/wwcontact_us.html.
Here you can:
●Chat online with an HP technician.
NOTE:When technical support chat is not available in a particular language, it is available in
English....