Slow Perfomance Laptop

I have the following laptop :

Manufacturer: iBuyPower Computers
Rating: 5.9 Windows Experience index
Processor: Intel(R) Core(TM) i7-3630QM CPU @2.40GHZ 2.40 GHZ
Installed Memory (RAM) : 16.0 GB () (15.9 usable)
System type: 64 bit Operating System

it is using windows 7 home Premium

It is very slow  when I open windows explorer or internet explorer, or firefox or any local application. and you would think it is using a lot of resources, But When I open up task manager to see memory and cpu perfomance it is not using even 2%.

I have run antiMalware. anti Virus, TDSKiller, and disk defrag, but it is still very slow.

I am not sure what else to do to get it back to normal.

Any help will be very much appreciated.

Thank you
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nobusConnect With a Mentor Commented:
i also suspect a disk problem, so best do a backup first;
then run HDDRegenerator :      

here is how i handle bad drives :

i suppose you did use msconfig, to check if it is application, or service?
run msconfig :
-in startup tab, click disable all
-in services tab, click "Hide MS services" -now click disable all

reboot to test!
jmcmillan227Connect With a Mentor Commented:
I would strongly suggest backing up your data with a 2 week carbonite trial and just reinstalling windows.  This will get your computer operating in its fastest possible state.
rindiConnect With a Mentor Commented:
I've had bad disks showing this type of issue. The problem was that the disk diagnostic wouldn't show any issues.

Try cloning the system to another disk, then check if the issue has gone when using the new disk. If that is the case, the disk was bad...
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aadihConnect With a Mentor Commented:
You could also think of doing a repair install (before a reinstall) just to see if it clears up the problem.
MereteConnect With a Mentor Commented:
How long since you ran a disc cleanup first then your defrag
start with these. Often times if when the hdd is bloated with fragmentation,  you install and uninstall stuff leaves old edits in the regestry, every time you move files around it leaves small imprint of where it was, windows search tools/indexing has to research to find the files if they are moved.
Defragging compacts the files  yes but if the temp folders and thumbnails files are still there defragging doesnt help alot.
Go to your start menue all programs assessories system tools disc cleanup
make a note of how big the temp files are thumbnails views.
Once it's cleaned up then defrag to compact the hdd again

Check the vents for any dust.

Ccleaner is good for removing old reg keys and temp files as well
Before deleting anything it finds let it do a backup you can restore.
Ccleaner how to use/read first
Noting you have scanned with these> antiMalware. anti Virus, TDSKiller
how many anti virus tools spyware killer programs do you have installed?
More than one anti virus is definately a way to slow your computer.
Uninstall your anti spyware for test purposes. Have only your current anti virus software
It should include scanning for rootkits spyware stuff like that
Which anti virus software do you?

check your running programs in the task manager
can see which one is using cpu?
Any scans running in the back ground. Look on the taskbar
any foreign programs installed in the task manager, always get to know / be familiar with your programs running in your task manager so if new ones appear you get a good idea something is a miss if you didnt install it.
Is windows updates sitting there?
Let windows updates update your computer reboot if necessary
windows updates  running will cause your system to really slow down.

Just so you know that 2.40 GHZ is not very fast if your playing a lot of video or running games.
Laptops do get hot, put your hand underneath when its slowing is it really hot, eleviate it with a book under one end so more air flows in.
Are you running with battery and AC ?
I'd recomend you shutdown plug in AC fully charge the battery then take it out while on AC.
Having both on can reduce the life of the battery
ded9Connect With a Mentor Commented:
Tap F8 key on boot -select enable low res mode- if everything works fine in this mode then problem is caused by graphics card driver.

Boot the computer in normal mode and install updated drivers.

Can also try clean boot

Clean boot process

Start-type - msconfig- click on startup tab- click disable all...then click services tab- put a check on hide all microsoft services ...and then click disable ok and then restart the computer in normal mode.

If everything works fine in clean boot then enable five startup items and services at a time to find the faulty software.

jskfanAuthor Commented:
I reinstalled the system...though I think something wrong with my disk
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