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Paper Tape
Posts: 1
Registered: ‎03-25-2019
Location: US
Views: 159
Message 1 of 2

ThinkCentre M910Z Network Card/DHCP Issues

Hello All,


My company has been buying the M910Z systems since last year and I have noticed that the NIC card on these things will just randomly not pick up an IP address via DHCP when the PC is first powered on or when a network cable is unplugged. This doesnt happen everytime, but there are instances when the PCs go to sleep and the user is unable to connect back to the network due to the PC dropping the network connection.


To resolve the issue, i have to either shut the PC down and then boot it back up or go into the control panel, diable/enable the NIC card in hopes for it to grab an IP. Is there a fix to this issue because im assuming its either a BIOS or NIC driver issue because I have isolated the issue down to these PCs and i wanted to see if the community could help me out here.

What's DOS?
Posts: 1
Registered: ‎05-06-2019
Location: US
Views: 69
Message 2 of 2

Re: ThinkCentre M910Z Network Card/DHCP Issues

We have a few thousand M910z models with this same behavior. Its very random and we dont have a way to force it to reproduce the issue.

It doesnt happen enough to cause a panic (seems rare), but we keep getting more and more calls about it. Not really an issue for other models that we have (using the same version of windows).


Tried the latest network driver from Lenovo and Intel. Still seems the same.

Will be trying a chipset driver or bios update next.

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