“Operating System not found” – Os Boot Failure – Part 1

The intention this post is to give a solution to “os not found” problem when you boot windows operating system.

Problem Statement

When there are two operating systems installed in a computer something there are cases that one of them to get corrupted.  So while the computer is booted for the next time it just throws an error “Operating system not found” and stops there.

Solution

To proceed with fixing this you should have the windows XP OS installation CD/DVD. At the time your computer reports “operating system not found” error,insert the installation disc and reboot the system.

Prerequisite>> set the primary boot device as CD/DVD drive in the BIOS.

1. Now let the installation disc to prompt for action. Press “R” in your keyboard.

2. This should take you to the WIndows Recovery mode. If you are asked for the password provide the Administrator password.

3. Now you should see C:\WINDOWS> in the command prompt. If you are eager to know what is the fix just type ‘help’ (without quotes) and try to trace what will be the next step.

4. Just give “fixboot” at the prompt. C:\WINDOWS>fixboot. Press enter.Give yes if you are asked confirmation.

5. Next C:\WINDOWS>fixmbr. Press enter.Give yes if you are asked confirmation.

These two commands will fix the Master Boot Record of the partition in case of any errors.

Now eject the disc and reboot the computer. You should be able to login to your Operating system.

Cool…

Regards,

R.Gopinath

 

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502 bad gateway error in phpBB (Solution)

Hi visitors,

This is a post regarding an issue in phpBB forum installation.

I have installed the phpBB forum in my server and faced a issue.

 1. When i try to register a new user there was an error saying “502 Bad gateway”. But the user has been registered successfully.

2. Finally i got a solution for this

Goto—->Admin control panel—> General —-> Security Settings
Here,
Uncheck this option: Check e-mail domain for valid MX record

Now that error is gone.

Hope this will help  you.

Regards,
R Gopinath

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Re-verify site in Google Webmaster

Hi folks,

I was struggling to re-verify my website in google’s webmaster. I found a way through which you can easily re-verify your site.

Problem Statement

The problem here is google webmaster asks to re-verify  your site if you want to set a preferred domain. The main use of setting the preferred domain (www version and non-www version) is the other end. Before that how to re-verify your site?

Solution

For example if i want to re-verify my domain sub domain  www.techtalk.neuronring.com. For that first add www and non-www versions of the site in webmaster.For instance i added http://techtalk.neuronring.com and www.techtalk.neuronring.com and verified both the sites.

Now the main picture:

You want to set the preferred domain. goto dashboard of the site you want to re-verify. Click settings—>set preferred domain.

Now if  you set your preferred domain,you will get an error saying to re-verify the ownership.

A piece of cake

1. Goto dashboard —> click on the site you want to reverify.——->note the url in the address bar. It should be  https://www.google.com/webmasters/tools/dashboard?hl=en&siteUrl=http%3A%2F%2Ftechtalk.neuronring.com%2F               (in my example)

2. Remove the dashboard?hl=en& and replace it with verification?  Press enter. Thats all re-verification is done.

3. Now you can set your preferred domain with freedom.

Regards,

R Gopinath

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CD/DVD drive is not accessible

Problem Statement

Many of us had faced the problem with the CD/DVD drive. When you insert a CD/DVD disc into the drive and when you try to open, it reports “F:\  is not  accessible. Incorrect function”.

 

 

CD/DVD Read problem-screenshot

CD/DVD Read problem-screenshot

Solution

If you really stuck up with this problem follow two easy steps to get rid of this

1. Right click the CD/DVD drive from My Computer and goto properties.

 2. Goto–> recording tab and tick “Enable CD Recording on this drive”

Enable CD recording

Thats it. You can access the CD/DVD.  Hope this will fix your problem.

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