Hi my name is ***** ***** I will be the expert working with you today to help and resolve the problem you have posted.
I am sorry to know that you are facing problem with windows 8 your computer.
Unplug all external devices from the computer and power down the computer by removing the power cable.
Now as the power cable is unpiugged push and hold down the power button for 30 seconds and release it.
Plug in the cable and turn on the pc and let me know on which screen you see if there is any error.
Press contol alt and esc keys together and let me know if you get something on the screen.
i am sorry to hear that. Not a problem we will fix it. Shut down the computer and wait for 3 mins. Power it on and keep tapping F8 key for a couple of times. let me know what screen you get.
post me a message tomorrow morning with the time when you would like to continue
This solution is to disable the automatic repair from starting if your computer fails to boot into windows.
What you will need - A Windows 8 or 8.1 CD
Step 1: Place the CD in your drive and proceed to boot from it
Step 2: When the install screen pops up, look to the bottom left and select "Repair Your Computer".
Step 3: You will now see a screen that says "Choose an option". Select "Troubleshoot", then "Advanced Options", and finally "Command Prompt".
Step 4: You should now see the command prompt. Type "bcdedit" (without quotes) and hit enter.
Step 5: A list should have appeared. Towards the top, you should see "resumeobject" (It is under "default"). Highlight the long number, including the brackets, and copy.
Step 6: Now type "bcdedit /set (the long number you copied) recoveryenabled No" (Without quotes). Hit enter.
Step 7: You should now see the message "The operation completed successfully"
Step 8: Type "Exit" (Without quotes)
Step 9: Reboot
Booting into safe mode first, then rebooting the computer.
What you will need - nothing
So you are at the screen that says something on the lines of "Windows did not load properly".
Step 1: Select "Advanced repair options"
Step 2: Select "Troubleshoot"
Step 3: Select "Advanced Options"
Step 4: Select "Start up settings"
Step 5: Select "Restart"
Step 6: The computer should restart. Now you want to hit the 4 key, which is safe mode.
Step 7: You should be able to log in now. Restart the computer and the computer should boot normally.
Running check disk to see if your hard drive is the problem
Step 4: Type "chkdsk /r C:" (Without quotes)
Step 5: The scan should start. This could take several hours depending on the size of your hard drive.
Step 6: Once the scan is done, type "exit" (without quotes).
Step 7: Reboot
Solution 4 (Found out by user DayDay13)
Making sure your hard drive is first in boot priority.
Step 1: Boot into BIOS on your computer
Step 2: Go into your boot priority list
Step 3: If you see "Windows Boot Manager" as number 1 in your priority, change it so that your hard drive is number 1.
Step 4: Save and exit BIOS
Step 5: Reboot
Referred : Microsoft
shut down the pc by holding the power button for 10 seconds and the retry the steps option 2.