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Windows 7: Dell Laptop running very slowly

14 Sep 2015   #1

Windows 7 Home Premium
Dell Laptop running very slowly

I am trying to find the faults on a friend's Dell Latitude D531 running Windows 7 Home Premium 32 bit.
it is fitted with a AMD Turion 64 X2 processor and 4 GB of RAM.
The laptop is running very slowly and taking a very long time to boot into Windows 7, but although it is slow, everything seemed to be working fine - hardware and software.....

Unfortunately, my friend did not have any Anti-Virus software installed so I suspected virus and/or Malware infections might be causing the problem. I ran several Anti Virus programs (one at a time) and Anti-Malware programs to try to find any 'crap' but only found a few 'PUP' programs, which have been removed.

Looking at the the 'performance' graph in the 'Windows Task Manager', the CPU Usage often tops out at 100% even when it's not performing any really intensive tasks - for example, just opening a blank browser page.... So I decided to re-install Windows 7 Home Premium +SP1 from an ISO DVD which I have used successfully in the past. Everything went as normal with the re-installation, but the laptop is still running Very Slowly - particularly when accessing websites - and the CPU still frequently tops out at 100%.

My broadband speed is good at around 14-15 Mbits and using my own laptop to access websites is blisteringly fast.... so there is no problem with my Broadband or router.

Thinking that despite re-installing Windows 7, there may still be some kind of Malware lurking on the laptop, I carried out scans with AVG, RKill, TDSKill, Spybot Search & Destroy, MalwareBytes, and Ccleaner. Nothing was reported by any of these programs..... I have also carried out a full Memory test and there were no errors reported.

When starting Windows 7, the boot process is taking around 5 minutes during which, the system just sits at the 'Starting Windows' Logo screen with no hard disc activity for about 2 minutes and then continues to load Windows. The System Rating is showing a Windows Experience Index of 1 !! I've never see such a low value before !

I have tried everything I know to try to overcome this problem but have been unable to find a solution. I would be very grateful for any help/advice while I still have a few strands of hair left !!

My System SpecsSystem Spec
24 Sep 2015   #2

Windows 7 Home Premium

166 views and no responses - very disappointed.....
My System SpecsSystem Spec
24 Sep 2015   #3
Layback Bear

Windows 10 Pro. 64/ version 1709 Windows 7 Pro/64

Take a read through this tutorial by Brink.

Clean Startup should give some clues to your problem.

Troubleshoot Application Conflicts by Performing a Clean Startup
My System SpecsSystem Spec


 Dell Laptop running very slowly

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