Hello,
Thanks for posting your query to Microsoft forum. I will certainly help you with this.
Since you don't have a Windows 8.1 DVD, I would suggest you to download and create a bootable media of Windows 8.1 DVD and perform the steps below.
Refer to this link:
**Create installation media for****Windows 8.1**
Please remove all external devices apart from mouse and keyboard before performing the troubleshooting steps.
Now, let’s follow the methods below.
Method 1: Perform Automatic repair using disc.
Automatic Repair can detect and fix certain types of system problems that might prevent Windows from starting, such as missing or damaged system files.
If you have Windows 8.1 bootable DVD or USB drive then using the same perform a Startup Repair and check if that helps.
You can follow the steps below to perform Automatic Repair
- Insert the installation DVD or USB and boot Windows 8 from it.
- In the ‘Windows setup’ page select the language to install’, ‘Time and currency format’ and the ‘keyboard or input method’ and click on ‘next’.
- Click on ‘Repair your computer’ and select ‘Troubleshoot’.
- Click on ‘Advanced options’ and select ‘Automatic Repair’ and select the operating system.
If the issue persists, follow method 2.
Method 2: If the issue persists, I would suggest you to try booting the computer in Safe mode and check.
Follow these steps to boot the computer in safe mode.
Step 1: Safe Mode with DVD.
Let’s boot from the Windows 8 DVD and login in Safe Mode.
a) Boot from Windows 8 DVD.
b) After you see a Choose an Option, click on ‘Troubleshoot’.
c) Now click on ‘Advanced Options’ and then on ‘Windows Startup Settings’.
d) Use your arrow keys to go to **‘Safe Mode’**and hit Enter.
If you are able to boot into safe mode, try performing a clean boot.
Step 2: Perform Clean Boot.
To help troubleshoot error messages and other issues, you can start Windows 8 by using a minimal set of drivers and startup programs. This kind of startup is known as a "clean boot." A clean boot helps eliminate software conflicts.
**http://support.microsoft.com/kb/929135**
Important: Reset the computer to start to normal startup.
Note: After you have finished troubleshooting, follow these steps to boot to normal startup.
a) Press the ‘Windows + R’ key on the keyboard.
b) In the ‘Run’ window type ’MSCONFIG’ and click ‘Ok’.
c) On the ‘General’ tab, click the ‘Normal Startup’ option, and then click ‘OK’.
d) When you are prompted to restart the computer, click ‘Restart’.
Hope this information is helpful. If the issue still persists, please post back for further assistance, we'll be glad to assist you.
_______________
Thanks & Regards,
Isha Soni