Author Topic: Black Screen - Win7 x64 after upgrade to 2015.10.2.2214  (Read 7648 times)

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Offline Tuscaneer

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Black Screen - Win7 x64 after upgrade to 2015.10.2.2214
« on: March 17, 2015, 02:29:00 PM »
Hi folks,

I just updated to 10.2.2214 (free) on reboot (Win 7 64bit) I get past the login prompt and then get a black screen with mouse cursor and there it stays.
If I rename :
c:\windows\system32\drivers\aswsp.sys
and set the avast service to manual
in safe mode, it will then boot correctly (although I don't know which change fixes it.)
albeit with no running avast.
I have uninstalled avast, then checked, everything is running on reboot
I have re-installed avast, then it fails to reboot cleanly again, once more staying on a black screen.

I have run various malware scan (Malwarebytes, Roguekiller, tdsskiller, etc.) all clear.

Any clues why Avast is hanging the windows boot before it shows explorer ?
Thanks and Best Regards
« Last Edit: March 17, 2015, 04:48:30 PM by Tuscaneer »

Offline Alikhan

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Re: Black Screen - Win7 x64 after upgrade to 2105.10.2.2214
« Reply #1 on: March 17, 2015, 02:31:16 PM »
Do you have any other security software running than Avast?

I'd like you to perform a clean install a final time, please folllow each instruction.

You need to perform a clean install:

Note: It's important you used the stub online installer from the one I linked.. NOT the offline one.

Note: You need to be ONLINE during this install (online installer works in all cases whereas offline sometimes doesn't)

1.Download your version of avast! and the avastclear tool:
Avast Free Antivirus
Avast Pro Antivirus
Avast Internet Security
Avast Premier
Download Avast Clear Tool

2. Uninstall Avast by control panel  [If you don't have Avast in control Panel go to #3]
3. Uninstall in safe mode using Avastclear. [Running Avastclear is normal mode will give a prompt to go into Safe Mode]
Check : Once uninstalled check in device manager>view>show hidden devices if there is anything related to avast with a yellow triangle.. if so, uninstall it and reboot.
5. Install the version you downloaded.
6. Reboot.

Note : If you have a paid license, insert the license key/activation code after the reboot at stage 6.

If you have any questions, please don't hesitate to ask. It's better to ask than make a mistake and start over again with the process.
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Offline Tuscaneer

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Re: Black Screen - Win7 x64 after upgrade to 2105.10.2.2214
« Reply #2 on: March 17, 2015, 02:35:08 PM »
Thanks, as soon as the current ESET scan finishes I will go through this.

Offline Alikhan

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Re: Black Screen - Win7 x64 after upgrade to 2105.10.2.2214
« Reply #3 on: March 17, 2015, 02:36:50 PM »
Thanks, as soon as the current ESET scan finishes I will go through this.

That is fine.

Though, there is a malware removal board where experts help to remove malware on your system (if any) on this forum too.

I'd recommend trying the clean install and if that doesn't work, I'll divert you for expert help for malware removal.
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Offline Tuscaneer

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Re: Black Screen - Win7 x64 after upgrade to 2105.10.2.2214
« Reply #4 on: March 17, 2015, 03:39:50 PM »
Hi,

ok I previously removed avast,  in safe mode, as stated above, on reboot, everything worked.
this time, in safe mode, I uninstalled avast, then ran the "Avast Clear Tool" in safe mode too.
I then removed the devices as advised.
now when I reboot, we're in the same black screen boat. what did the "Avast Clear Tool" actually do ?

Offline Alikhan

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Re: Black Screen - Win7 x64 after upgrade to 2105.10.2.2214
« Reply #5 on: March 17, 2015, 03:42:11 PM »
Hi,

ok I previously removed avast,  in safe mode, as stated above, on reboot, everything worked.
this time, in safe mode, I uninstalled avast, then ran the "Avast Clear Tool" in safe mode too.
I then removed the devices as advised.
now when I reboot, we're in the same black screen boat. what did the "Avast Clear Tool" actually do ?

Avast clear tool is a tool from avast which removes avast completely from the system.

Did you uninstall from control panel, reboot and then use the clear tool?
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Offline Tuscaneer

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Re: Black Screen - Win7 x64 after upgrade to 2105.10.2.2214
« Reply #6 on: March 17, 2015, 03:43:48 PM »
Actually no, in safemode, I uninstalled from control panel, then ran the Avast Clear Tool then rebooted.

Offline Alikhan

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Re: Black Screen - Win7 x64 after upgrade to 2105.10.2.2214
« Reply #7 on: March 17, 2015, 03:44:47 PM »
Reboot into safe mode again and re-run avast clear please.

Thanks.
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Offline Tuscaneer

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Re: Black Screen - Win7 x64 after upgrade to 2105.10.2.2214
« Reply #8 on: March 17, 2015, 03:46:13 PM »
ok, done..   rebooting back into full mode to test.

Offline Tuscaneer

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Re: Black Screen - Win7 x64 after upgrade to 2105.10.2.2214
« Reply #9 on: March 17, 2015, 03:57:25 PM »
ok, rebooted in full mode after running the Avast Clear in safe mode.  went to black screen after login prompt accepted, but this time I waited.. after a few minutes a small white box with "please wait" came up on the screen, another few minutes later it booted into windows.
something definitely amiss !

Offline Alikhan

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Re: Black Screen - Win7 x64 after upgrade to 2105.10.2.2214
« Reply #10 on: March 17, 2015, 03:58:53 PM »
Have you tried rebooting again?

Is there a delay?

Any other security software than avast?

Do you have many programs set to run at user logon?
Windows 10 Home 64-bit • Avast Free (latest stable version) •  Malwarebytes 4 Premium (On-Demand) • Windows Firewall Control • Google Chrome • LastPass • CCleaner • O&O ShutUp10 •

Offline Tuscaneer

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Re: Black Screen - Win7 x64 after upgrade to 2105.10.2.2214
« Reply #11 on: March 17, 2015, 04:05:46 PM »
no other active security products,

will try rebooting again now to see if it does the same.

just a couple of startup programs in the  "All Programs/ Startup" menu

Offline bob3160

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Re: Black Screen - Win7 x64 after upgrade to 2105.10.2.2214
« Reply #12 on: March 17, 2015, 04:08:44 PM »
The delay could also be from the recent patch Tuesday Windows Updates
if you haven't rebooted since that occurrence.
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Offline Tuscaneer

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Re: Black Screen - Win7 x64 after upgrade to 2105.10.2.2214
« Reply #13 on: March 17, 2015, 04:17:37 PM »
Ok, same delay, about 5 minutes of black screen after login .

the system has been booted a few times this week.


Offline Rednose

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Re: Black Screen - Win7 x64 after upgrade to 2105.10.2.2214
« Reply #14 on: March 17, 2015, 04:26:17 PM »
Hi,

Can you look at this tutorial https://forum.avast.com/index.php?topic=53253.0

Scroll down to "Farbar Recovery Scan Tool" and follow the directions for that tool only.
Attach the FRST.txt and Additions.txt here in your next reply.

As soon as you have done that, I will notify Essexboy to help you  :)

Greetz, Red.
« Last Edit: March 17, 2015, 04:29:02 PM by Rednose »
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