Startup Blockage "Diagnosing Your Computer" Solved

Question

Hello everyone

I have a Lenovo G580 running Windows 8, and I recently started having a startup issue. Let me explain: the computer powers on normally displaying the "Lenovo" logo, then just below the logo, I get a message saying "Preparing Automatic Repair" with a loading screen, followed by another message "Diagnosing your PC" with a continuous loading screen, but it just loops and loads indefinitely without any results.. I have tried several solutions found online with difficulty; many people have encountered this problem, but there aren't really any solutions. So I don't know what to do, I feel stuck..

If someone could help me find a solution, that would be great, as I have everything on my PC and I feel a bit lost without it! Haha

Thank you in advance to everyone who responds to my problem!

pistouri · Accepted Answer

Press Ctrl + ALT + Del
From there, hold down the SHIFT key until the end of the procedure. (SHIFT is the upward arrow key, located at the bottom left of the keyboard)
- Click on the power button at the bottom right of the screen, then click on "Restart"
You are now on a blue page
Release the SHIFT key
Click on "Choose an option"
Troubleshoot

Settings
Restart (at the bottom of the window)
Choose F4 (Safe Mode)
Let Windows load
Once on the desktop, the icons will be larger
Restart

--
Scalpel

pistouri · Answer

sometimes ctrl+alt+delete helps.
that's not the case here.
if your lenovo try
"OneKey Rescue" key (or F11 key depending on the models)

this key is often located next to the power button of the PC
it allows you to directly launch the Recovery partition without going through the system

--
scalpel

pistouri · Answer

try to wait to see if it gets fixed  -- surgery

pistouri · Answer

Turn off and then restart the computer and tap F11 at startup to access the recovery options if you can  -- pistouri

pistouri · Answer

try System Recovery  -- scalpel

pistouri · Answer

The ideal solution would be to create a USB flash drive or DVD of your Windows
and instead of reinstalling, there is an option to repair the startup with advanced options like restoring the system or using the command prompt.
We might end up with the same issue.
You can try if you have the time.
You'll need to find the Windows ISO
and adjust the BIOS to boot from it..

--
pistouri

pistouri · Answer

Make a backup of your important documents on a USB drive or external hard drive for the future
and right now do a Windows update.
From there, you can start off on solid ground, which I wish for you.
If you can create a recovery drive as explained here:
https://forum.pcastuces.com/creer_un_disque_de_reparation_sur_windows_81-f7s2207.htm

--
scalpel

pistouri · Answer

We took the strong approach for the restoration because we couldn't access the advanced options without a DVD or recovery key.  The system restore worked well, it's better than nothing.    -- pistouri

Startup Blockage "Diagnosing Your Computer"

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