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refuses to boot - Black screen

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peter915:
Shane
Hi there
I haven't been on here in a long time - My HP Pavilion Dv6 laptop has been going well.
Runs Windows 8 Pro, 32 bit version, all updates current up to a week ago
Couple of weeks ago I was getting an intermittent problem with my wireless connection - error 701
A week ago I ran Tweaking for windows - followed all the guides, incl run in safe mode.
Yesterday, the machine would not boot.
Won't allow SFC
Won't boot in Safe Mode
Won't access a USB recovery stick - which works fine on another Laptop
Pulled the battery - for a cold start

Comes up with a black screen after the three colours windows with words "please wait"
I can access a DOS command screen.
Your thoughts?
regards
Peter
 

Boggin:
In what mode can you access the cmd prompt ?

If it is in the Windows Recovery Environment you can run a chkdsk c: /f without the machine needing to reboot, but you may have to first enter the cmd bcdedit |find "osdevice" to determine which partition it sees Windows in as it may not always be C: so you would have to change c in the chkdsk cmd to whatever the partition letter is.

This will tell you if you have any KBs in bad sectors.

Three colours coming up could also point to your GPU failing but as you are unable to boot up even into Safe Mode, then it may be your HDD.

If you have access to another machine, you could see if it will boot up with a Paragon Rescue Disk or a Kaspersky Rescue Disk - how are you changing the Boot order to try with the Recovery stick ?

https://www.paragon-software.com/home/rk-free/

The Kaspersky website is down at the moment for maintenance or so it says, but that is more for checking to see if your problem is due to an infection, but is a good test to see if it will boot up with it.

peter915:
Thanks for reply
Ran chkdsk  / f
No bad sectors
Not sure on your bckdsk command line?
Peter

Boggin:
Do you mean the bcdedit cmd ?

peter915:
Yes

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