disc read error, error loading operating system- windows 8 pro

Hi,

It’s unfortunate that you are getting an error “error loading operating system” while trying to start the computer.

I can imagine the inconvenience you have experienced. I will certainly help you with this.

-  What is the make and model of the computer?

Let’s follow these methods and check if it helps.

Method 1: Startup Repair

a. Boot using Windows 8 Installation disk and perform startup repair.

b. Insert the disk into DVD drive and restart the computer.

c. Press F12 key (typically this is F12, but it can differ between computer manufacturers) and choose the drive that you inserted the installation media into.

d. Once the Windows Setup window appears click Next.

e. Click on Repair your computer.

f. Click on Troubleshoot and then select Advanced Options.

g. Click on Automatic repair.

h. Follow the on-screen instructions and finish the repair.

Method 2: Perform system restore and check.

Follow method 2 from the following link.

http://support.microsoft.com/kb/2700567#method13

If the issue persists, you may check this:

Make sure that you are using the latest BIOS revision for your computer. Contact the computer manufacturer to inquire about how to obtain and install the latest BIOS update that is available for the computer.

Note: Microsoft provides third-party contact information to help you find technical support. This contact information may change without notice. Microsoft does not guarantee the accuracy of this third-party contact information.

Note: Modifying BIOS/complementary metal oxide semiconductor (CMOS) settings incorrectly can cause serious problems that may prevent your computer from booting properly. Microsoft cannot guarantee that any problems resulting from the configuring of BIOS/CMOS settings can be solved. Modifications of the settings are at your own risk.

Hope it helps. If you have any other questions, please do not hesitate to let us know. We will be glad to help you further.

Thank you.