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Laptop Battery Repair

The greatest strength of a laptop is its portability and the fact that it can be used without needing any external power connections for hours at a time. This makes a laptop battery one of the most important parts in a laptop. It is very important, hence to take care of a laptop battery. Like every other part of the laptop, the battery also undergoes wear and tear and might need repairs.

It must be remembered that most laptop batteries cannot be repaired if damaged. This is because of their complex construction. And even if it were to be repaired, one would need specific and expensive instruments to do so. It is for this reason that often it is suggested that if a battery is damaged, one should buy a new laptop battery, rather than repairing a damaged one. This is often a better and a cheaper idea.

At times when we see the need for a laptop battery repair, it turns out that all it requires is a bit of calibration. This is done in most battery or laptop repair shops locally. However, there are cases when the battery is actually damaged. It then needs thorough repair, or should simply be replaced, as mentioned above.

One needs to remember that it is not a good idea to use a laptop battery that has begun to leak. Do not even think of repairing such a battery as it could be dangerous. Such laptop batteries can usually not be repaired and even if they are, the repairs are expensive and the battery may not be safe to reuse.

However, there are different types of batteries that are available on the market, and quite a few of them even lend themselves to repair in case of damage. One first needs to know the type of battery one has before one goes in for a laptop battery repair. One can then check it out in some local stores. Often the internet is a good source for finding out information regarding the same and also to know whether the laptop battery can really be repaired in the first place.

Laptop Repair provides detailed information on Laptop Repair, Laptop LCD Repair, Laptop Hinge Repair, Laptop Repair Manuals and more. Laptop Repair is affiliated with Used Laptops.

posted by streamyx-90074 @ 11:30 PM 0 comments

Your IP - Now My IP

Internet Protocol (IP) address is given to each device connected to the Net. IP addresses consist of four numbers and look something like 117.0.0.1. All these numbers are usually assigned to Internet Service Providers (ISPs) within the region-based blocks. An IP-address can be used to identify the country or region from which a device is connecting to the Internet.

Earlier, ISPs issues one IP-address to each user. These are called static IP addresses. ISPs now issue IP addresses in a dynamic fashion out of a pool of addresses (using DHCP). These are referred to as dynamic IP addresses. With virtual hosting, a single machine can act like multiple machines (with multiple domain names and protocol addresses).

IP Address reveals your...

Using an IP-address it is quite easy to identify the place including the country, state, city, using a few web applications. Finding IP-address of the Yahoo, Rediff, Hotmail, etc, email senders is easy. Google masks the outgoing IP-address of the sender who sends mails using the Gmail web interface.

Using IP-Tracker like software installed on remote devices, you can access the same from anywhere. IP-Tracker constantly monitors the dynamic IPaddress of the device and whenever the IPaddress changes, it sends a mail to your inbox notifying you of your new IPaddress.

How can I change my IP Address

• If you are using a dial-up connection, you can simply dialup through an alternate access number
• For cable/DSL with a router:

1. Open your router control panel
2. Increase your MAC address by one number
3. Then disconnect and reconnect your router. Now, after doing this, your ISP will give a new IP.
4. If you find any problem, switch back to previous MAC

You can hide your IPaddress using...

• IP changer software.
• anonymous software

Knowing your IPaddress can allow you to access

• services running on your machine (E.g., online games)
• servers (FTP, web, mail)
• remote access utilities (MS Remote Desktop, GoToMyPC, PCAnywhere).

Virtual hosting allows a single machine act like multiple machines (with multiple domain names and IP-addresses).

How can I know the IP-address of the person whom you have been chatting in your IM (Instant Messenger)

• If you want to know the IP, run a packet sniffer and initiate a file transfer.
• You will need to set up a file transfer in order to see the internet protocol address of the person you are communicating with; the transfer will go pretty much direct to the other person's computer. Otherwise you get the protocol address of the server.

If you run a packet sniffer, you need to send a request using ICMP, and then TCP with the SYN ACK flag set) and the target computer will respond. TCP SYN ACK packet gives you the target device's port number, IP-address, etc.

But there are exceptions. If the target device runs behind a router with a hardware firewall, you may not get the actual protocol address you are looking for; instead, a WAN IP of some sort usually the one from the ISP will be displayed.

In conclusion, since internet protocol addresses reveal your physical location and also gives more details to others; it is advisable not to display your protocol address except for essential and important communication. Mask the IP-address for you and your device's security sake.

Resources:
Hacking - What, When & How
Browsers - Gateway to the Internet
Strategies to Learn English Article

posted by streamyx-90074 @ 10:02 PM 1 comments

Your IP - Now My IP

Internet Protocol (IP) address is given to each device connected to the Net. IP addresses consist of four numbers and look something like 117.0.0.1. All these numbers are usually assigned to Internet Service Providers (ISPs) within the region-based blocks. An IP-address can be used to identify the country or region from which a device is connecting to the Internet.

Earlier, ISPs issues one IP-address to each user. These are called static IP addresses. ISPs now issue IP addresses in a dynamic fashion out of a pool of addresses (using DHCP). These are referred to as dynamic IP addresses. With virtual hosting, a single machine can act like multiple machines (with multiple domain names and protocol addresses).

IP Address reveals your...

Using an IP-address it is quite easy to identify the place including the country, state, city, using a few web applications. Finding IP-address of the Yahoo, Rediff, Hotmail, etc, email senders is easy. Google masks the outgoing IP-address of the sender who sends mails using the Gmail web interface.

Using IP-Tracker like software installed on remote devices, you can access the same from anywhere. IP-Tracker constantly monitors the dynamic IPaddress of the device and whenever the IPaddress changes, it sends a mail to your inbox notifying you of your new IPaddress.

How can I change my IP Address

• If you are using a dial-up connection, you can simply dialup through an alternate access number
• For cable/DSL with a router:

1. Open your router control panel
2. Increase your MAC address by one number
3. Then disconnect and reconnect your router. Now, after doing this, your ISP will give a new IP.
4. If you find any problem, switch back to previous MAC

You can hide your IPaddress using...

• IP changer software.
• anonymous software

Knowing your IPaddress can allow you to access

• services running on your machine (E.g., online games)
• servers (FTP, web, mail)
• remote access utilities (MS Remote Desktop, GoToMyPC, PCAnywhere).

Virtual hosting allows a single machine act like multiple machines (with multiple domain names and IP-addresses).

How can I know the IP-address of the person whom you have been chatting in your IM (Instant Messenger)

• If you want to know the IP, run a packet sniffer and initiate a file transfer.
• You will need to set up a file transfer in order to see the internet protocol address of the person you are communicating with; the transfer will go pretty much direct to the other person's computer. Otherwise you get the protocol address of the server.

If you run a packet sniffer, you need to send a request using ICMP, and then TCP with the SYN ACK flag set) and the target computer will respond. TCP SYN ACK packet gives you the target device's port number, IP-address, etc.

But there are exceptions. If the target device runs behind a router with a hardware firewall, you may not get the actual protocol address you are looking for; instead, a WAN IP of some sort usually the one from the ISP will be displayed.

In conclusion, since internet protocol addresses reveal your physical location and also gives more details to others; it is advisable not to display your protocol address except for essential and important communication. Mask the IP-address for you and your device's security sake.

Resources:
Hacking - What, When & How
Browsers - Gateway to the Internet
Strategies to Learn English Article

posted by streamyx-90074 @ 2:44 AM 1 comments