Computer working Extremely slow. Not sure what the issue is

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Macavy

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Ok... Story time because I feel like this needs some backstory.

In November I had a tech savvy friend and his tech savvy brother help me buy parts for a new tower computer. We went in to the store, bought all the parts, had the staff there install the graphics card to the mother board, then they offered to take it home and build the rest for me.
I get it back that night,set up windows and add my programs yadda yadda. All is well until near the end of December.

Suddenly I start getting a 'could not detect boot device' error. Around this same time I had installed more RAM - same brand, speed, and gb amount. The only thing was that it was a used one that was returned to the store. I don't remember if the problem started before or after I installed it but my computer detected it and everything so idk. I thought everything was fine.

The error happens constantly - i open my computer multiple times to try and push cables in or something until finally last week or so I unplug the harddrive cable and plug it back in. Have not gotten the error since BUT now my computer is running extremely slow. It has a lot of RAM, plenty of memory space, and has a 3.5 ghz AMD processor and Nvidia graphics card so it definitely should not be freezing just trying to open a file.

Finally today it gave up. It froze so I turned it off and on, and now windows is trying to repair itself. Constantly restarting in an attempt tofinish the process.

My main question with this is. . . any idea what may have caused it? Bad RAM? Windows issue from all the times the harddrive got disconnected? I have the disc so I can just reinstall it but I really don't want to loose my files.

I'd ask my friend but I bothered them so much already with the boot issue that I want to try other options before I resort to that. I appreciate any help.

EDIT: It was not able to repair i think. It can't get past the black screen you see right before it shows the sign-in page. I can move my mouse around but that's it. i can't access my desktop. . .
 
Last edited:

dmccoy

Darrin
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Oct 7, 2017
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You are going to need a Windows 10 install drive to either allow us to try some repair options or reinstall Windows. Please let us know how you want to proceed?

How to Clean install Windows 10 from USB

How to make a bootable DVD or USB via the media creation tool
https://www.microsoft.com/en-us/software-download/windows10

When it asks "enter your Product Key", leave blank and continue
Windows will auto-activate from the key embedded in your system

https://answers.microsoft.com/en-us.../aef0ae63-2117-41ee-a8ea-4a3181625b08?auth=1p

Backup files outside of Windows
https://www.easeus.com/todo-backup-resource/backup-data-without-booting-into-windows.html
 

Macavy

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Does the installation disc not work the same as a repair drive? I have the key and everything
If possible id really like to repair it. There are some important files i never backed up on this computer.
 

dmccoy

Darrin
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Oct 7, 2017
Messages
4,489
Yes, do you have a Win 10 install disk? If so, then try booting with this disk and see if you can either get into safe mode with or without networking or to a command prompt. Let me know if you need help with this operation.
 

Macavy

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Messages
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Yes I do. I tried using it to repair it and boot into safe mode but nothing worked. I got a "The requested system device cannot be found." Error when trying to do it via command prompt. I even tried to reset it while keeping personal files and there was a problem with that, too! Absolutely none of the workarounds I've looked up are working and I'm starting to think an important system file is missing or something.
 
Last edited:

dmccoy

Darrin
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Okay, are you saying you cannot even get to safe mode command prompt using the win 10 disk? need to at least get there to try and perform any repairs. Do you have another computer to be able to doenload files from?
 

Macavy

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Yes, correct. Whenever I try it simply restarts and says it's repairing itself but then nothing. Tried it with and without networking but it just goes back to the blue troubleshooting screen instead of activating safe mode.
I have a TB drive that I'm going to try moving stuff onto using the method you linked above then doing a complete reinstall. I think that's my only option at this point..

And yes, I have a laptop available.
 

dmccoy

Darrin
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If you want to perform a clean install that is always a good idea. However, I still recommend a backup image especially when installing the latest version of Windows. It is very buggy and can cause lots of issues.
 

Macavy

Thread Starter
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Jan 9, 2018
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Is that possible even without being able to get into the desktop? I woke up this morning with a plan but low and behold the computer can't detect the hard drive again. Unplugging and plugging in the cable didn't fix the issue like last time either. I'm so frustrated.
 

Macavy

Thread Starter
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Jan 9, 2018
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26
Nope. This was the issue I had before. It would only show the disc drive.
I finally got it to recognize it, though, and am transferring some files now.
Usually when this issue happened I'd go into the BIOS and have to set up the order it would load by putting something called Windows Boot Assist or something like that first, then the hard drive, then the ASUS drisc drive. For now I just used the Windows install disc to open up command prompt so I could transfer files.
 

dmccoy

Darrin
Joined
Oct 7, 2017
Messages
4,489
Okay, yes Windows boot manager should be listed as first boot device. Make that is the default. Let me know when the backup is complete and if you want to try some repair options or if you are going to reinstall.
 

Macavy

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Jan 9, 2018
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Will do. Thank you for putting up with me, haha.
I'm transferring a lot of video so this will probably take all day but I'll get back to you once all that is done.
 

Macavy

Thread Starter
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26
Ok file transfer done. Is there any repair options you can still recommend? If possible I'd still like to try them.
 
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