weird system behaviour windows 7

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speed 76
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Hi everyone I have a really frustrating problem with my system! the boot process is all fine until the 'welcome' screen hides away the desktop shows up. the thing is that once its booted and I press an application on my taskbar and start menu the whole taskbar and start menu freezes! it stays like this from 1 to 2 minutes strangely though the gadgets I have on my screen work without any problems. I've tried defragmenting the hdd, I ran a full kaspersky and malwarebytes scan, I even wiped the whole thing and reinstalled the whole os. but the problem is still here. I thought it might be a hard drive issue but after doing a full scan usuing seatools it passed the test. any suggestions as to what is the problem here? thanks in advance for the replies :)

system specs
Intel core i5 750 oc to 3.7GHz
ASRock H55M pro LGA 1156 motherboard
8GB of OCZ DDR3 RAM (2*4gb sticks)
650W OCZ ZT power supply
seagate barracuda 7200rpm 1tb hdd
windows 7 home premium 64-bit

Adam

eire1274
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Sounds like a driver is loading and occupying the system. It's not uncommon to sub-apps (gadgets) continue to work. I'd recommend an update on all drivers, and if that doesn't work, get yourself a reputable registry cleaning tool and let it do its thing.

Nick McDermott

speed 76
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oh and I forgot to mention the GPU: asus engts450 1gb gddr5. I did check the drivers and all of them are up to date. I also ran a full ccleaner scan but that didn't help either.

eire1274
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You checked system chipset drivers as well?

Nick McDermott

Razear
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Sometimes a fresh OS install may be the best remedy.

eire1274
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Razear wrote: Sometimes a fresh OS install may be the best remedy.

Yeah, I don't subscribe to that idea. I can fix ANYTHING. Sometimes it will make you pull your hair out, though, before you find success!

Nick McDermott

speed 76
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I did check all the drivers on the device manager as well as the ones installed as programs but all of them seemed fine. I'm starting to run out of ides. It also appears to occur randomly. sometimes the PC boots without any problems but another time it does what I have stated above.

eire1274
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I just noticed how aggressive your overclocking is. Voltage issues due to power supply delivery can cause strange "pauses" during operation. Have you checked your PSU voltages under load? Please try dropping your processor to stock speed and see if the problem changes in any way.

Nick McDermott

Tivon
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Looks like an overclock problem, as Nick said. Perhaps the north or south bridge are failing. Files are loading into memory and starting to corrupt. Reduce the overclock until the problem goes away.

Don't test my skills, I was trained by myself! Check out my Gaming Videos!

speed 76
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I have used a feature thats on my motherboard called turbo 40%. It basically automatically set up all the voltages and clocks on the cpu and memory by itself to increase the cpu clock by 40%. However I have returned everything to stock a few days ago but the problem is still here.

Tivon
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When the taskbar and start menu freezes. Do you see alot of HDD activity on your case hdd led light?

Have you tried hitting F8 at boot and logging into safemode?

You can also try going to:
Start --> Run --> type 'sfc /scannow' without the quotes... this will check your system files for problems and hopefully correct them.

If you can update the video and sound drivers this might help.

Perhaps jump the gun and remove a few sticks of memory and move the drives around. Maybe even remove any extra add-on cards.

Should none of that help it would save alot of time to reinstall the OS.
"How to Do a Repair Install to Fix Windows 7"
http://www.sevenforums.com/tutorials/3413-repair-install.html

If reinstall of OS does not work then you have hardware problems. HDD's, SSD's and Memory fail all the time, even more so if they have been overclocked and over-volted.

Tivon
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I just reread your post.. "I even wiped the whole thing and reinstalled the whole os."
Hmmmmmmmmm... well then perhaps this is not a virus or corrupt file of the OS.

This looks more like a hardware problem. Try running Memmtest86 and check the Memory.
http://www.memtest86.com/

Image for creating boot-able CD
http://www.memtest86.com/downloads/memtest86-iso.zip

Could be something simple, try another keyboard and mouse.

Plug the HDD into another SATA port.

Remove a few sticks of Memory.

speed 76
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I have a few spare drives so I picked up one and installed the system on it. everything seems to be fine! ill give an update in a few days but I think it should work fine now. thanks very much for all the replies! they were very helpful!

PcTestCard.co.uk
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I would suggest we disable all startup app using 'msconfig' then select each option back until we see which startup app causing the problem.

also, we can try reset the Bios default, install the latest mobo chipset driver, reboot, install the video card driver again.

Check if the same problem happens in the safe mode or we can use a USB mouse to see if ok.

If all these still the same problem, we need to scan the HDD for virus.
I have seen the OS just reboot once login and see the desktop icons on some infected computers.

Hope this helps.
Bill
Tech Manager, WPTinc.

Hope this helps.

Bill
Tech Manager - WPTinc.