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Windows 7: PC freezing, shutting down etc

15 May 2011   #1
Win7andWinVista

Windows 7 Home Premium X64 or Windows Vista Home Premium X86
 
 
PC freezing, shutting down etc

I have a Dell Inspiron 1545 running Windows 7 64 bit with 2.16 GHZ of processor and 3 GB ram, it has been very slow recently and now every minute or so the screen blinks out flashes a few times (no error message) and turns back on except that the areo effects are off for a minute or so, I am able to simulate the effect by shutting down the most memory hogging svchost.exe process which is on average using 87k to 200k.

The same thing is happening to my Inspiron E1505 which is running Vista X86 that has a 1.6 GHZ or so processor and 2 GB of ram, it is slightly more extreme on that one (lasts longer, completely shuts down the screen for a minute, much slower...)

I have used a few malware, adware and virus scanners and nothing came up, neither of them can run sfc in the command prompt. (they shut down or completely freeze up till I shut them down cold)

Any help would be appreciated.

Thank you.


My System SpecsSystem Spec
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15 May 2011   #2
johnnya

Windows Home Premium 64bit
 
 

Hello Win7andWinVista and welcome to the forum. A couple of questions.
1. Did this problem start on both machines at the same time?
2. What malware programs have you tried so far. Have you tried Malwarebytes program yet? See link below.
3. Have you tried running SFC in an elevated command prompt.
This is a start. Since the same problem is occuring on both machines, for now I would rule out hardware issues.
If you have not already ran Malwarebytes, download/install it, hit the UPDATE TAB and update to latest definitions,
then hit the SCAN TAB and run a FULL scan.
let us know how you make out.
Download Malwarebytes Anti-Malware 1.50.1 - FileHippo.com

Regards
JohnnyA
My System SpecsSystem Spec
15 May 2011   #3
essenbe

Windows 10 Pro/ Windows 10 Pro Insider
 
 

If you havent already, download and run a full scan with Malwarebytes.
My System SpecsSystem Spec
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15 May 2011   #4
Win7andWinVista

Windows 7 Home Premium X64 or Windows Vista Home Premium X86
 
 

The problem started on the Vista PC first then the Windows 7 machine, I have tried McAfee, Spyware Doctor and SpyBot Search and Destroy (which has worked on everything so far) and I am going to do MalwareBytes, SFC only runs in elevated command prompt so yes I did.

Thank you for your help.
My System SpecsSystem Spec
15 May 2011   #5
essenbe

Windows 10 Pro/ Windows 10 Pro Insider
 
 

Can you try a restore point to before the problem started?
My System SpecsSystem Spec
15 May 2011   #6
Win7andWinVista

Windows 7 Home Premium X64 or Windows Vista Home Premium X86
 
 

I would rather not do a restore yet because this is a heavily used computer and is changed very often, I am leaving that as a last resort.

MalwareBytes is running now and I will give the results soon.

Once again thank you.
My System SpecsSystem Spec
15 May 2011   #7
essenbe

Windows 10 Pro/ Windows 10 Pro Insider
 
 

No problem.
My System SpecsSystem Spec
15 May 2011   #8
Win7andWinVista

Windows 7 Home Premium X64 or Windows Vista Home Premium X86
 
 

Nothing significant on MalwareBytes I removed the adware it found.
All drivers that I know of are up to date so...
My System SpecsSystem Spec
15 May 2011   #9
essenbe

Windows 10 Pro/ Windows 10 Pro Insider
 
 

Maybe try running checkdisk on the drive.
My System SpecsSystem Spec
15 May 2011   #10
MacGyvr

Windows 7 Ultimate RTM (Technet)
 
 

Again, System Restore is going to be your best bet. You say the computer is changed a lot...what do you mean? This very well could be the source of the problems.
My System SpecsSystem Spec
Reply

 PC freezing, shutting down etc




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