Re: fail to dected sound card and wireless network card.
You probably have to download and install the drivers again. when I repaired Xp I had to reinstall all 15 or so drivers. You can get them on Lenovo web page under support and downloads. Make sure you select the correct laptop model and stuff, or else one single wrong driver can make you need to reinstall the whole operating system again (been there). I only had some issues with the wireles (Broadcom), but works fine now. Or did, till I flashed bios and the laptop went coo-coo (stil working on that in FixYa)
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Verify that you have the correct type of authentication in wireless- if your router is set to WPA2, then you would have to go under the connection properties > security tab to change it to match that setup. If that does not work, then the issue may be that the wireless card is defective and starting to fail.
Try this first before you give up...any usb adapter will work by the way....just keep the windows wirless utility as your main wireless software.
Windows WiFi Fix,
Windows Zero Wireless Configuration is one of the best programs to run a WiFi in Windows XP or Vista. Most of the other software packages that come with the different adapters have been poor at best in keeping a connection through Windows. Here is the best guide to get you back up and connected.
Windows XP: Click Start Right click on My Computer When a window pops up click on properties Click on the Hardware tab Click Device Manager Click the [+] next to Network Adapters Find your wireless card and right click on it. Click Disable Windows may warn you that disabling the device may make it stop functioning. Continue disabling the device. Wait 30 seconds or so. Right click on your wireless again and click Enable. Exit the device manager. Reconnect to your router. You should now be able to connect to the internet.
Click Start Logo Right Click Computer Click Device Manager Windows will ask you about opening Device Manager
FIRST OF ALL YOU CAN ATTACH ROUTER TO ANY PC WITH LAN CABLE
AND CHECK IT IS WORKING OR NOT
IF IT IS WORKING THEN
REMOVE THE LAN CABLE
IF YOUR WINDOW IS XP THEN GO TO START SETTING CONTROL PANEL AND NETWORK CONNECTINON AND CHECK THE WIRLESS CONNECTION AND FOUND THE WIRLESS NETWORK
THEN WIRLESS NETWORK FOUND
AND CLICK THE CONNECT
IT IS WORKING
Hi there. If your using Vista or XP, what i want you to do is right click "computer" select "manage"
and then "device manager", then click on the + sign next to "network
adapters" and right click on the wireless network and "un-install" the
device, reboot the PC and wait for windows to detect the wireless
card and install the drivers for it, this will appear in the system
tray (bottom right hand side) when its done try to connect again
to look for wireless icon on windows XP start by clicking
here you shoud able to see wireless network connection
Double click on wirless network connection and below you
would see "show icon in...." and also " notify me...". Check
on this 2 box and click apply.Next time you'll be able to see this icon again.
1. Check if you have a separate button for enabling wireless network. If so in some case you may have to enable the wireless network by switching on the wireless connection manually on getting back from stand by or hibernate mode.
2. Try to refresh the wirless network connection
3. Check the status of the wireless network icon in the task bar.