Question about HP Pavilion a450n PC Desktop

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HP a450n P4

Network adapter stopped working and disappeared from the device manager

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Re-install the network adapter drives correctly with the CD you get
if the network card still not working
remove it carefully from the slot and clean the lan card and the PCI clot.
replace the lancard and re-install the drives
Restart the system after installing

Let me know if your problem is solved and rate me as FIXYA!

Posted on Apr 16, 2008

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Hp a1010n not recognizing LAN adapter


In device manager make sure your driver is installed under networks.
You can try uninstalling and then restarting pc and reinstalling.

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Brought a IBM computer with no Operating system. Have installed Windows XP but I have no driver for the ethernet card to connect it to the internet


you can check few things

click on start on theleft bottom corner, then right click on my computer and you wil get the option of manage, once clicking on manage, you will be redirected to a page where on the left side you will get the option od device manager, once you click on device manager, you will get a list of deices on the right, in the list there would be an option of networ adapters, once you click on network adapters you will get the option of NIC, note down the name of NIC card, find the card model in google and install the drivers

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  1. Try a system restore to a previous date when you were able to use the internet. E.g. yesterday.
  2. If not, try to disable and enable the Wi-Fi adapter in the device manager and see whether its help.
  3. Try to install the driver for your wireless card and see whether it helps.
  4. Open your computer and check for any loose connection
  5. I very much doubt for a faulty wireless card but if the above steps fail, you need to consider.

Good Luck!

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It sounds to me like you need a new driver for the LAN adapter that is compatible with Windows 7 64 bit. Right click on Computer under the start menu, chose manage, and open the Device Manager applet. Look for your network card under Network adapters. Right click on your adapter and click on properties. Go to the driver tab and click on update driver. You can also try uninstalling the driver from there and then have the computer scan of new hardware from the device manager screen and let Windows reinstall the driver. Let me know what you find so I can help you further troubleshoot if this does not fix the problem.

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Will not connect to wireless network after reformat (no wireless driver cd avail)


go to start>>control panel>>system.>>hardware tab and device manager.
make sure the network adapters is listed and working by right click on the adapter and select properties.
if the adapter show a yellow ! mark, then you need a working machine and download the network card driver from HP website.

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My Wi Fi on my Acer Aspire 3003LC has disappeared I cannot find it in the device manager or anywhere


in device manager highlight network adapters and go to action and scan for hardware changes if that doesn't work i would back everything up and reistall windows.and if that still doesn't work i would have to say it is a device failure.

Apr 24, 2009 | Computers & Internet

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Compaq presario broadcom adapter not showing


Hi!

I will assume that your broadcom adapter is not showing up under Device Manager > Network Adapters. It will happen if the driver is not properly installed.

Look for "Other Devices" under Device Manager. Usually, it will show as Network Controller or Ethernet Controller. Right click that and select update driver. Make sure that you have the driver or file for that adapter. Once the driver is properly installed, it will be under Network Adapter with the correct name.

I hope that helps.

Good luck and have a nice day!


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Cannot connect to internet..network adapter


l had similar problem: my techy said that the firewall was stopping the modem from getting an automatic ip address - having said that he fixed it. sorry l can't offer more detail than that

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My HP wireless doesn't work? I don't have wireless connection on my compaq laptop anymore.


check your wireless adapter is on... the switch is on the front of your laptop and you should show a blue light when it's on, also go into device manager and see network adapters.. you should have 2 (the wire one built-in and your wireless network adapter.. if you only have one network adapter, check the front and see if the light indicating the status of your wireless network adapter is amber.. (if it's showing amber and you're sure it's in the on position you may have a motherboard problem and you may need to send the system back (I just had one of those with a compaq computer and since the item was within warranty the fixed in a week)

if your wireless adapter light is blue and you see your wireless adapter in device manager follow this instructions and you should be ok,

vista
http://www.home-network-help.com/vista-to-connect-wireless-network.html

xp
http://www.home-network-help.com/wireless-adapter.html

Oct 03, 2008 | Computers & Internet

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Wireless Lan on HP Pavilion M1000


Surely you can find out if you have a wireless network card installed . For this you can goto device manager and under network adapters look for any wireless adapter.

Heres How you check device manager.
  • Right-click My Computer then select Properties
  • Select the Hardware tab
  • Click the Device Manager button
  • Alternative solution: invoke devmgmt.msc
  • Alternative solution #2: Device Manager is part of the Computer Management, which also includes Event Viewer, Services Manager, Disk Management, as well as many other things. Right-Click My Computer then select Manage to start Computer Management, or invoke compmgmt.msc.
Picture of device manager and random wireless adapter
http://www.cisco.com/warp/public/102/wlan/xpleap_02.gif

Also I am not too sure about what system you are using and whats the operating system you are using.

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