Release and Renew Your IP Address
When you connect your computer directly to your cable modem, you’re given a unique IP (Internet Protocol) address assigned by a Dynamic Host Configuration Protocol (DHCP) server. This is essentially your address on the Internet. Your IP address doesn’t change often, but there will be times when you’ll be assigned a short-term DHCP lease and will need to release and renew your IP address before you can reconnect to the Internet.
Why Was I Assigned a Short-term DHCP?
You may have been assigned a short-term DHCP lease for a number of reasons:
You connected a new device, such as a computer, or a computer with a new network interface card, to the cable modem for the first time.
You turned on your computer for the first time in a very long time, and the DHCP server interprets it as a new connection.
The device connected to the cable modem isn’t configured to DHCP. You’ll need to obtain DHCP configuration instructions for your router from its manufacturer.
We are performing maintenance on the DHCP servers or elsewhere on our network.
The device connected to the cable modem is not functioning properly.
A properly configured device - regardless of the length of its lease - automatically renews its DHCP lease when the current one expires. This shouldn’t cause an interruption in service. Occasionally, you’ll have to manually release and renew your IP address. (This may happen when there’s been a power outage, you’ve moved your computer, bought a new router, or reconfigured your home network.)
Windows Vista, Windows 7 and Windows 8
1. Click Start and type CMD in the search box. Then click OK.
2. Type ipconfig /release and then press the Enter key on your keyboard.
3. Type ipconfig /renew and then press Enter.
Mac OS X Yosemite, Mac OS X Mavericks and Mac OS X Mountain Lion
Close any open Internet applications (web browsers, email, etc.).
Choose System Preferences from the Apple menu, then click Network.
Select your service that uses DHCP (such as Ethernet or WiFi) in the network connection services list.
Click Advanced.
Click TCP/IP.
Click Renew DHCP Lease.
Open a web browser and attempt to connect to the Internet.
Watch more on increasing speed:
Disable Bandwidth limitation of Windows 7
How to disable the bandwidth limitation of Windows 7 ?
Solution
Go to Start and you type gpedit.msc in the search field of menu.
Click on gpedit.msc at the top of the list and you accept the confirmation of the UAC.
In the window that just opened in the left side, you go to:
Computer Configuration -> Administrative Templates -> Network -> QoS Packet Scheduler
In the right side, you click on Limit bandwidth and you put the value you want to reserve for the system (in%).
So if you want to "unleash it", you put to 0.
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