How To Fix Dell Blue Screen, Black Screen Blinking Cursor, Stuck Diagnosing, BSOD PC Errors

THIS VIDEO HAS BEEN UPDATED HERE:    • How To Fix Dell Preparing Automatic R...  
Use this video to troubleshoot and repair why your Dell is showing you a Blue Screen Error, stuck in a Boot Loop, stuck loading, stuck diagnosing PC or other boot up issues. Make sure these are happening AFTER the initial Logo Screen. Please note, this can also be caused by a loose HDD.
Try unplugging it and plugging it back in! That is called 'Reseating' the HDD. Check out the FAQ's and Related Video Links below !!

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FAQ's:
Q: What are the buttons you press?
A: F2 - BIOS, F12 - Diagnostic Options

Q: What if I cannot seem to switch between Legacy and UEFI or switching does not work?
A: If you cannot locate the options to switch between or if switching does not work, then skip that step and continue with the rest of the steps in this updated video:    • How To Fix Dell Preparing Automatic R...   :) What was the result of the Diagnostic Scan?

Q: It has an error saying 'legacy option cannot be enabled with PTT enable'
A: Disable PTT Security by going to the Security Tab, and selecting PTT Security. Uncheck the box. If you cannot locate the options to switch between or if switching does not work, then skip that step and continue with the rest of the video :) What was the result of the Diagnostic Scan?

Q: What if my diagnostic test shows the HDD as 'Not Installed"?
A: That means the hard drive is either loose or bad. I would 'Reseat' it (unplug it and plug it back in). Try the scan again. If it still says that its not installed, then its most likely bad and needs to be replaced. You can see how to do that here;    • How To Replace Upgrade HDD, RAM - Ace...  .
You would also then need to install an operating system onto the new one.
You can see how to install Windows 10 here:    • How To Install Upgrade Dell to Window...  .
You can create Win10 Install Media for free as seen here;    • How To Create Windows 10 Install Medi...  .
You can see how to install Windows 11 here:
You can create Win11 Install Media for free as seen here:    • How To Create Windows 11 Install Medi...  .
If you cant create your own, you may have to purchase it. You can see an example of a good install media USB in the Repair Tools list here; https://www.amazon.com/shop/pcmonkey.

Q: My hard drive didn't pass the test. What do I do now?
A: You should then replace the hard drive as seen here;    • How To Replace Upgrade HDD, RAM - Ace...  .
You would also then need to install an operating system onto the new one.
You can see how to install Windows 10 here:    • How To Install Upgrade Dell to Window...  .
You can create Win10 Install Media for free as seen here;    • How To Create Windows 10 Install Medi...  .
You can see how to install Windows 11 here:
You can create Win11 Install Media for free as seen here:    • How To Create Windows 11 Install Medi...  .
If you cant create your own, you may have to purchase it. You can see an example of a good install media USB in the Repair Tools list here; https://www.amazon.com/shop/pcmonkey.

Q: Changing the settings in BIOS didn't help and my HDD passed the test.
A: If changing the setting sin BIOS didn't identify the issue and your Hard Drive passed the test, then the issue is most likely Operating System related. You would need to reinstall it.
You can see how to install Windows 10 here:    • How To Install Upgrade Dell to Window...  .
You can create Win10 Install Media for free as seen here;    • How To Create Windows 10 Install Medi...  .
You can see how to install Windows 11 here:
You can create Win11 Install Media for free as seen here:    • How To Create Windows 11 Install Medi...  .
If you cant create your own, you may have to purchase it. You can see an example of a good install media USB in the Repair Tools list here; https://www.amazon.com/shop/pcmonkey.

Q: I cant run the diagnostic scan. It wont complete or I cant access it.
A: If you cannot run the scan, we don't know for sure if the HDD is healthy or not. We will have to continue troubleshooting assuming it is for now. If its healthy, and if the issue is operating system related, I would then reinstall it.
You can see how to install Windows 10 here:    • How To Install Upgrade Dell to Window...  .
You can create Win10 Install Media for free as seen here;    • How To Create Windows 10 Install Medi...  .
You can see how to install Windows 11 here:
You can create Win11 Install Media for free as seen here:    • How To Create Windows 11 Install Medi...  .
If you cant create your own, you may have to purchase it. You can see an example of a good install media USB in the Repair Tools list here; https://www.amazon.com/shop/pcmonkey.