Hello people. Please I need help.

I was working on my computer, a Lenovo Thinkpad desktop, and had an abrupt power outage.
On rebooting, I realize that my LAN is no longer available and I can't connect to the internet.
I checked through device manager and the network driver (Intel (R) 82566DM Gigabit Network Connection) is missing.

My problem is that I have tried rolling back and system restore and it shows that "the driver was found but their was a problem installing it - Code 10 Error"

Please can anybody suggest how I can fix this?

Try updating the driver. The device should be listed under the "Unknown Devices" or "Other Devices" with a question mark next to it.

In the device Properties dialog box, click the Driver tab, and then click Update Driver to start the Hardware Update Wizard. Follow the instructions to update the driver.

You may be prompted to provide the path of the driver. Windows may have the driver built-in, or may still have the driver files installed from the last time that you set up the device. If you are asked for the driver and you do not have it, you can try to download the latest driver from the hardware vendor’s Web site. (lenovo.com)

You can read up on the error at the following links:
Explanation Of Device Manager Error Code
Description Of Code-10 Related Errors
HowTo Fix Code-10 Errors

Thanks Maleeg. Thing is, I can't update the driver since there's no way I can even connect to the internet. But I copied the driver details and search and downloaded. I've uninstalled and re installed it but it still remains flagged in the device manage.
I upgraded the OS from xp to win7 and it LENOVO doesnt have any driver in network category for win7. Do you think I shud use the ones listed for xp?

feel_me: Thanks Maleeg. Thing is, I can't update the driver since there's no way I can even connect to the internet. But I copied the driver details and search and downloaded. I've uninstalled and re installed it but it still remains flagged in the device manage.
I upgraded the OS from xp to win7 and it LENOVO doesnt have any driver in network category for win7. Do you think I shud use the ones listed for xp?

install it in a compatibility mode by choosing sp2, perhaps you might be lucky

Thanks femi4. I mean, I haven't had any issue since I upgraded to win7 until the abrupt power cut. But I'll try that out like you advised. I hope I get lucky

feel_me: Thanks femi4. I mean, I haven't had any issue since I upgraded to win7 until the abrupt power cut. But I'll try that out like you advised. I hope I get lucky

Then as @femi4 said, you shouldn't have any issues.