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Laptop keep losing static IP address settings in windows 7 Home Premium

I am unable to configure a static IP address on the network card over our company s LAN.
I have done the usually static IP configuration in TCP/IP properties in the network card.
However, when I finished, a reboot message appears.
When I do the reboot in the tcp/ip properties tab the addresses are vanished (ip address, subnet, gateway, dns1 and dns2)
When I do ipconfig /all in dos the computer have the fix IP settings apart from the DNS server addresses.
In fact I am not able to connect to the internet but I can connect to the company database and skype functions.
What could be the problem? Why is the the computer loosing the static IP settings?
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btdownloads7
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Try unplugging the network cable, then open command prompt, and run the command
netsh int ip reset
and
netsh int winsock reset
. Then restart your computer and try connecting again.
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I was able to do netsh int ip reset whereas netsh int winsock reset produces an Access denied error. The situation hasnt change
Try opening command prompt as admin and run the winsock reset. Did you unplug the network cable before doing this? If you did, try disabling the network adapter in the device manager before you run that command.
I opened the command prompt as admin
Disabled the the card, unplug the cable, ran the comand netsh int winsock reset but still got the message Access Denied.
I have access to the laptop with the administrator account
I dont also understand why the Network ID button is disabled
(System Properties ->Computer Name).
It can be use to put the laptop in the company domain and maybe in that situation it may accept the configuration
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Also, I want to make sure that I was clear about opening command prompt as admin. I want to make sure that you didn't just open it normally -- even if you're an admin user, that's not opening it as admin. You have to hold the shift key and right-click on the command prompt shortcut, then click the option to open it as administrator.
"You have to hold the shift key and right-click on the command prompt shortcut, then click the option to open it as administrator." It's exactly what I have being doing each time I had to lunch a command from cmd

I have disinstalled the antivirus completedly and tried the command but the situation hasn't changed.
In that case, you either have a virus infection, or some of the OS system files or registry entries are corrupted. The only other thing I can sugest is running "sfc /scannow" in the admin command prompt, and that may fix it.
I have done it but no change.
Maybe there is a windows service that has to be active for the command (netsh winsock reset ) to work.
What can be done to enable 'the 'Network ID' button
Maybe has a windows service have to be active.
I wish the laptop can be inserted in the company's domain
Try logging out add the domain user, and log back in using a local account on the laptop itself. There could be a domain GPO in place that's preventing you from changing certain settings
At the moment I cann't a domain user
The Network ID button is disable
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You don't need to add a domain user. Log in add a local machine administrator instead of logging into the domain
The problem is that whenever I set the fix IP the computer will ask me to do a restart
no matter the user.
 We I try to set the fix IP  the process dllhost.exe is lunched which seems to be normal.
The cause of the maybe that the dllhost.exe file is corrupt. However, I have done all possible clean up.
I'm going to repeat this again -- have you tried logging in using a local admin account?
As I said no matter the user the situation doesn't change. I have used a local admin account but it didn't keep the fix IP. I disconnected the LAN cable, tried to set the static IP but it wouldn't keep it. I tried a domain user no positivo results.
I intend to do an upgrade to windows 7 professional.  Hope it will help.
I upgraded Home premium to windows 7 profesional but the problem wasn't resolved.
I then did a fresh installation of windows 7 professional, inserting the disc and clicking twice on the file setup.exe
The installation was successful and I installed the latest driver for the network card
It is now functioning.
Verifying the register I noticed there is a new user dhcp in the DHCP and TCP/IP service.
I don't think that was the problem but it was a significant difference I noticed from the old state