Black Screen after Malware Bytes Quarantine

Sep 10, 2018
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As I am new to the forums if this post belongs elsewhere please let me know!

I have an older dell optiplex 750 that was running on the slow side, I decided to use malwarebytes and run a scan, sure enough it found about 2k files it thought looked suspicious so I quarantined them. Malware bytes asked for a restart so of course I restarted the computer. After the computer restarted it went through the dell bios boot then the windows 10 boot screens but it never got to the login screen. After the windows 10 boot screens the screen just went black.

I've tried to boot to a recovery usb which it will boot to but the utility doesn't find any issues when attempting startup repair, I have been unsuccessful in using the system restore utility as it gives me an error saying:
An unspecified error occurred during system restore. (0X80070003)

I then tried forcing the system into safe mode using: bcdedit /set {default} safeboot minimal in the command prompt but that does not work either, it boots to the black screen still.

I've tried removing the extra graphics card and only utilizing the onboard graphics, that hasn't worked as well. I've tried every single port for graphics on the darn thing and still no luck.

Please help, i'm seriously at a loss at this point with what to do. I know I can recover the files with putting the HD in an external enclosure then reloading the OS but i'd really prefer not to go down that road if possible.
 
Solution
i would clean reinstall windows. if you were that badly infected, it's probably best and safest for you. practice safe online habits and don't use malwarebytes, they stink. the messed up my notebook more than once. i can't use it on my HP, else it sucks all life out of it.

all you need is built into win10
i would clean reinstall windows. if you were that badly infected, it's probably best and safest for you. practice safe online habits and don't use malwarebytes, they stink. the messed up my notebook more than once. i can't use it on my HP, else it sucks all life out of it.

all you need is built into win10
 
Solution