Hey guys. Yet another puzzle.

I'm getting a new computer soon, and I'm building it. So, as experience, I took apart everything in my computer and put it back in. It's working perfectly fine, but it's just abit slower then usual. Or it may be my imagination.

Could Hardware affect my computer being slow?

Any replies are very much appreciated =]

Could Hardware affect my computer being slow?

Umm, not sure what you mean here. There is slow hardware, fast hardware, and some in between.

Did you reinstall Windows?

Did you download and install all new drivers?

I didnt reinstall windows. I just took this pc apart (actually truth is I took it out to see if my old Cooler would work on this one. Turns out it didnt, and I had to take out the mobo to fit it back in)

I have the latest drivers.

I didnt add any new hardware, so my PC should stay normal, right? Its just really slow.

I didnt reinstall windows. ...truth is I took it out to see if my old Cooler would work on this one. Turns out it didnt, and I had to take out the mobo to fit it back in)

Did you remove the CPU's heatsink fan (HSF) assembly? If you did, did you thoroughly remove the old TIM (thermal interface material), clean the mating surfaces, and apply new TIM before installing the HSF back?

Did you take all the necessary ESD precautions to ensure you didn't destroy any sensitive devices?

Any errors in Device Manager?

I actually might've been abit hard on the motherboard (it was hard at first to put in the cooler), but other then that, it's in top shape. I'm just wondering if I done anything wrong.

Nah, I didnt remove the paste.

There is actually a "system interrupt controller" that keeps coming up when I turn on my computer, but that was before I took my PC apart.

If you removed the HSF and broke the seal of the old paste, then you must clean and prepare the mating surfaces, then apply a fresh application of new paste. Typical TIM cannot be re-cured. See my sticky, TIM for more information.

If you had to press too hard, and the motherboard flexed too much, microfractures may occur. They may or may not cause problems now, but may increase the aging process, resulting in premature failure down the road.

System Interrupt Controller errors is normally a motherboard issue - perhaps corrupt drivers. I ask again, any errors in Device Manager? I would check your motherboard maker's website for new drivers and BIOS for updates.

I also asked if you took necessary ESD precautions before handling, or getting in near proximity to any ESD sensitive devices?