Win7 lenovo ideapad "no internet access" to wifi router

I tried the configuration you suggested over my notebook's ethernet card as well as on my desktop eth. card with win xp configuration but it didn't work....

What are your settings here:

Control Panel/Network & Sharing/Change Adapter Settings/. Double click the wireless network then have a look at wireless properties.

Mine has the first & third box ticked.

ok i think u need to turn on your wifi.. seems simple, it is but first install lenovo powermanagement software from their site!!

Version 45CN38WW
Installation README
Updated Date 2011-11-01
This package updates the basic input/output system (BIOS) on IdeaPad Z570

BIOS, abbreviation of Basic Input£¯Output System, is integrated in ROM chip on main board, which contains the basic input/output program, system configuration information, system startup self-check and pre-setup programs. BIOS provides most basic low-level hardware operations; it is the connection between software and hardware, and interfacing window of hardware and operating system.

Note: Make note of any settings you have changed in the BIOS Configuration Utility. These settings may have to be re-entered after updating the BIOS.

Attention: Do not power off or restart your computer during the BIOS flashing process, which will cause serious damage and improper functioning of your computer.

Print this file so that you can refer to it during the installation.

Downloading the package
=======================
1. Click the file link to download the file from the web page.
2. For Windows operation system, there is an update packages available, 45CN38WW.exe. It can run both in 32-bit and 64-bit Windows.
3. When prompted, select a drive and directory in which to save the downloaded file.

Installing the package in Windows.
======================
1. Restart computer.
2. Locate the file 45CN38WW.exe that has been downloaded.
3. Double click the 45CN38WW.exe. For Windows 7, you may run it as administrator by left-clicking on the icon and selecting ¡°Run as administrator¡±.
4. Click ¡°Install¡±.
5. When a window prompt, click ¡°OK¡±.
6. Press Enter to start flashing. During the process, you are advised not to turn off the computer.
7. When the update finishes, the computer will automatically reboot for the changes to take effect.
8. Enter to BIOS menu, load default setting-> save and exit.
9. Please reboot the system again.

Updated Information:

Latest Version BIOS fixed all merged issues from previous.

Summary of changes
==================
General Information:
44CN38WW:
1 Solved BIOS failed to save boot order issue
2 Solved Intel WLAN failed to work only when CD was selected as the first boot order.

45CN36WW:
Fixed the hanging up issue when install non-OEM version Windows 7 Operating system.


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