Windows 8.1 Upgrade and no WiFi no Ethernet

Hi there,
Im praying that somebody could help me with my problem.
ive upgraded from windows 8 to 8.1 and since then my wifi connection breakes every now and then and my ethernet adaptor doesnt work anymore. according to my research thats a common problem. i tried all solutions i found but nothing works.
my device manager says that both (wifi and ethernet) drivers are up to date and ready to use but the wifi breaks down and needs a reset. the ethernet adptor doesnt work either. lan cable (brand new and tested) is not recognized.
id be so thankful, if somebody could help me.
my laptop is a 3000 N200 (0769), windows 8.1 32bit
wifi adaptor intel wifi link 4965agn
driver version 13.3.0.137
ethernet broadcom netlink (TM)
driver version 15.6.13
thanks so much
manu

Hi Manu,
Welcome to Lenovo Community!
I’m sorry to hear that the LAN and Wireless is not working as expected after updating to Windows 8.1, normally to avoid compatibility issue all the drivers should be updated when the computer is in Windows 8. Hence, I suggest you to perform “System Restore” and the follow the update procedure. Below is the link to perform “System Restore” then a link with exact Windows 8.1 upgrade procedure.
System Restore for Windows 8
Windows 8.1 - Update consideration & Resources
Do post us back if the issue still persists.
Best Regards
Shiva Kumar
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<Personal Information Edited by Host>

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