I installed SQL Server 2008 R2 in my Windows 7 to configure SharePoint 2010 as a Farm. After trying many options, I am still having problem to install SharePoint 2010 in Windows 7 as a farm using SQL Server 2008 instead of SQL Server 2008 Express Edition.
It’s time to remove SQL Server 2008 from Windows 7 so that I can use SQL Server 2008 Express to install SharePoint as stand alone installation.
To Remove SQL Server 2008 from Windows 7, do the following steps
1. Go to Control Panel | Program | Uninstall Programs |Microsoft SQL Server 2008 R2 (64-bit) | and click on Uninstall
2. You will get option to Add/Repair and Remove SQL Server 2008 . Click Remove
3. Once Setup Support Rules completed, click OK
4. Select Instance to remove
Select the instance of SQL Server to remove. To remove Management Tools and Shared Features only, Select
Remove Shared Features only and then click next.
5. Select the features to remove
The SQL Server Features on this computer are shown below. To remove a feature, select the checkbox next to the feature name
6. Click next to Removal Rules and your system is ready to Remove SQL Server 2008
7. Removal of SQL Server 2008 R2 from Windows 7 computer
8. Complete: Your SQL Server 2008 R2 Removal Completed Successfully.
Aryan Nava 
I am just got headache on this problem…really thks for your sharing..I just uninstalled it successfully.
Thanks for this information, it saved me a whole lot of headache.
Thank
Thank You
Thank You!!!!!!!!!!!!
Thanks
I got the error
TITLE: SQL Server Setup failure. —————————— SQL Server Setup has encountered the following error: The INSTALLSHAREDWOWDIR command line value is not valid. Please ensure the specified path is valid and different than the INSTALLSHAREDDIR path. Error code 0x84B40000. —————————— BUTTONS: OK ——————————
in the last step.
What can I do to uninstall SQLServer2008 R2 totally?
Thanks
http://support.microsoft.com/kb/955404
i cant uninstall sql server 2008 this step.i dont understand.Microsoft SQL Server 2008 Databace Engine Services(Use source) .please help me!
Hello Aryan I am getting some issue. I remove SQL Server 2008 R2 and It removed successfully but It still appears in Control Panel/Uninstall. What can I do? and Is it harmful or any problem if it appears in it?
Good Job