Why does DHCP not work on my laptop?

Question

I'm currently using a laptop at work and every day, I connect to my company's wireless. Randomly today, it wouldn't connect to the wireless no matter what I did.

The WPA2 key had been saved onto my laptop so there I didn't enter the password wrong. To verify this, I even reentered the password instead of going with the saved one. Still nothing fixed.

After doing a ipconfig, I noticed the laptop was not getting an address from DHCP. I confirmed my connection was set to use DHCP and even changed to a static address and then back to DHCP; still nothing. I changed my laptop to a static ip address to work on the network and it connected fine. When switching about to DHCP, I lost connection again.

I know that the DHCP server isn't down because everyone else in my office is connected via wireless and wired connections, all using DHCP.

Here's the interesting part, I used a physical connection to connect to the network and DHCP still didn't work. I then changed to another static ip address on the network and it worked fine.

It seems as if the DHCP request from my laptop to not getting to the server even though I can connect remotely to the server perfectly fine after I connect using a static address.


I have no clue what's wrong. I narrowed the issue down to my laptop and it's DHCP not working. Any way to figure out what's causing this?

Answer 1

Normally there should be a DHCP client process running in the laptop. Check that this is still installed and running on your laptop. Check is Task Manager to see if it is still listed. Check in msconfig that it is still enabled for running at start up.



If you use the laptop only at work and always in one location, ask the network administrator if you can run permanently with a static address.



If it has happened only recently, try a system restore to a time before the problem started.

Answer 2

It is possible that the network DHCP server has used up all available free IP addresses. You have to talk to the IT department to find out...

Answer 3

I accept as true with each thing Adam says, yet i decide to easily upload one extra little bit of tips for you which of them may well be what you're finding for: For some reason, Microsoft desperate to make it extra complicated than it ought to be. The homestead windows GUI does not actual use the word "DHCP"; somewhat, it says "get carry of an IP handle immediately" with a small radio button next to it. This does, certainly, enable DHCP interior the OS, yet Microsoft chosen to apply an unnecessarily roundabout way of articulating that, for some reason. start up->administration Panel-> community Connections in case you splendid click on the NIC you utilize to connect with the internet and choose "properties" and then "TCP/IP" and click the "properties" button, you will locate the button I stated above.

Answer 4

Why are you not contacting your company's IT Help Desk? That's who you should be telling all this too.



Every Company's infrastructure, ie network architecture is unique to that Company. What may work for at one company won't work at a different company.