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Whenever we try to use a dial up connection on one of the computers, the computer stops working. It appears that some kind of malware has been installed on the computer. In such a case, the best option is to have multiple computers for different applications. When you are not connected to the internet and the computer / laptop has no wifi connection, the chances of a hacker gaining access to it are minimal.

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If your computer remains connected to the internet for some time, i.e two or three hours continuously, it is likely to become slow or hang. The simplest way this problem can be solved is by restarting the computer. So it is advisable to disconnect your internet connection whenever possible.

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This is a problem which I face repeatedly while updating my websites or adding new eBay listings. The PS2 keyboard stops working, though the mouse continues to function properly.

The files on the website and on my hard disk also seem to be changed and have a number of grammatical mistakes.
The problem is temporarily solved by disconnecting the internet cable connection and restarting the computer. The problem of text alteration exists even with a EVDO connection.

Restarting the computer  is only a short term solution. In the long term the problem can be only be fixed by finding out who is hacking my computer , taking remote access, what his motivation is, who is funding him

Standard instructions for troubleshooting a LAN internet connection are usually as follows:

• Check if the LED is blinking
• Plug and unplug the Ethernet cable
• Disable and re enable the LAN ethernet connection

USB hub with power supply

Most computers have  only 4 USB ports, which is often insufficient when you are using a number of  USB drives.  Also most external HDDs have to be connected to  at least  2 USB ports so that they get adequate power for operation.  Using an USB hub with a power supply solves this problem  to  some extent.

SATA or Serial ATA is the interface used to connect hard drives and other storage devices to the bus . Hard disks ( HDD) which use the SATA interface are more compact compared to the earlier IDE  HDD.  SATA HDD are also cheaper, more compact and usually faster.

Sometimes instead of web pages with data, you only see blank web pages.  Some of the reasons for this could be :

1) The PHP code does not execute mid-way through rendering the page server-side so it crashes returning null headers back to the client browser.
2) The server the website is running on has no memory left to process the request , this is an intermittent problem.
3) The  website is running on non-server grade hardware that does not have ECC RAM and/or production grade CPUs  with adequate capacity. So whenever there is memory corruption or bad bits the Apache process fails midway.

In each case, you can try again after some time.

If you have a broadband connection through a LAN , sometimes  the connection may suddenly stop working.  If you ping the default gateway, you will get the error message,  operation timed out. It usually resumes working automatically after some time.

One way to troubleshoot this problem is to unplug the ethernet cable and connect it back again.  If this does not work, disable the LAN connection from the network settings and enable it again.

If your internet connection has become very slow and MSN and other programs do not work, it is because the IPV6  Teredo pseudo tunelling interface is installed.

Go to the DOS prompt and type ipconfig/all.

This will give details of your network connections and ip address, which will be in the following format.

Tunnel adapter Teredo Tunneling Pseudo-Interface:

Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : Teredo Tunneling Pseudo-Interface
Physical Address. . . . . . . . . : FF-FF-FF-FF-FF-FF-FF-FF
Dhcp Enabled. . . . . . . . . . . : No
IP Address. . . . . . . . . . . . : fe80::ffff:ffff:fffd%5
Default Gateway . . . . . . . . . :
NetBIOS over Tcpip. . . . . . . . : Disabled

Tunnel adapter Automatic Tunneling Pseudo-Interface:

Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : Automatic Tunneling Pseudo-Interface

Physical Address. . . . . . . . . : C0-A8-01-66
Dhcp Enabled. . . . . . . . . . . : No
IP Address. . . . . . . . . . . . : fe80::5efe:192.168.1.102%2
Default Gateway . . . . . . . . . :
DNS Servers . . . . . . . . . . . : fec0:0:0:ffff::1%1
fec0:0:0:ffff::2%1
fec0:0:0:ffff::3%1
NetBIOS over Tcpip. . . . . . . . : Disabled

Since not much is known about IPV6, it is advisable to uninstall it.You can uninstall Teredo by opening the command prompt and typing:

IPv6 uninstall

You will have to restart the computer after this.

Tips to troubleshoot and fix your tech problems, computer, laptop and internet connectivity problems