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PC Games slow after new Motherboard installation?

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January 28, 2014 8:12:10 AM

Hello there,

i'm new here, so hi everybody.
The problem i've got is, i changed from an ASROCK P5B-de to a Conroe Kentsfield FSB1066 Motherboard. My ASROCK motherboard broke because of a new gpu installation, so i had to buy this new one. It works great, but there are a few problems, the first is, in my Windows Experience Index all my hardware are getting lower marks, the second is, when my PC is off, all the fans keep running. My CPU's temp is around the 38 degrees Celsius so i don't see this as a problem. The 3rd problem is that all my Games are slower than they were before, and at last my Reset button doesn't work anymore. I think there shouldn't be this much problems since i connected everything correctly, i didn't check for dust yet though.

My specs are:
CPU: Intel Pentium(R) Dual_Core CPU E6700 @ 3.20GHz
GPU: NVIDIA Geforce 9600Gso (Drivers are up to date)
Memory: 3071MB DDR2 RAM
OS: WIndows 7 Professional 64Bit
MOBO: Conroe Kentsfield FSB1066

I really hope someone can help me! Thanks a lot already.




January 28, 2014 9:14:14 AM

Hey, the problem even got worse. My dads PC crashed, and my younger brothers PC crashed, for no reason!? They all won't give a beep :/  Could it be something with our power supply in the house? My brothers XBOX and TV wont start too!?
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a b V Motherboard
January 28, 2014 9:15:29 AM

"the first is, in my Windows Experience Index all my hardware are getting lower marks"

I'm sorry, Conroe is the name for the first core 2 architecture, Kentsfield is its quad-core equivalent. What is the model of your new motherboard? There should be some model number/description on it.

The difference in performance is likely due to some difference in clock settings. Some motherboards actually operate a little above/below the reference clock by default. Should be a negligible difference, though.


"the second is, when my PC is off, all the fans keep running. My CPU's temp is around the 38 degrees Celsius so i don't see this as a problem."

Now this is very weird. It means it didn't really shut down, as the PSU is still on. Isn't your OS set to "sleep" or "hibernate" on a power down? Try opening a command prompt (windows key+R, type "cmd", right-click, "run as administrator", then type "shutdown -s". It should shutdown completely.

Otherwise, there is probably some issue with your system installation since it can't properly shut down.


"The 3rd problem is that all my Games are slower than they were before"

Can you quantify this? Maybe it's the same difference in clock, maybe your RAM is set to a lower profile.

"and at last my Reset button doesn't work anymore. I think there shouldn't be this much problems since i connected everything correctly, i didn't check for dust yet though."

If I recall correctly, the reset switch simply cuts power while you hold it, so my best bet would be double-checking the connection pin diagram for your motherboard.
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a b V Motherboard
January 28, 2014 9:20:09 AM

DutchPanther said:
Hey, the problem even got worse. My dads PC crashed, and my younger brothers PC crashed, for no reason!? They all won't give a beep :/  Could it be something with our power supply in the house? My brothers XBOX and TV wont start too!?


Well, it is very likely that you have a power issue in your house. Get someone with a multimeter to measure the voltage on the outlets. Also, get someone to check your circuit breakers, they might have tripped.
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a b V Motherboard
January 28, 2014 9:46:35 AM

I wanted to add a bad ground can cause many problems and be a safety risk, also. Unless there was a lightening strike, that could cause problems. Do you have Surge Suppressors on all your electronics?
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January 28, 2014 9:49:23 AM

bkoop said:
I wanted to add a bad ground can cause many problems and be a safety risk, also. Unless there was a lightening strike, that could cause problems. Do you have Surge Suppressors on all your electronics?


For as far as i know i don't have Surge Suppressors. There hasn't been a lightning strike here, no thunder or anything.
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January 28, 2014 9:55:26 AM

Ok, i found out what the problem was with my younger brothers PC, the temperature there is very high, this probably caused overheating. My dad's PC is giving 1 single beep, after that the CPU Fan turns off, and turns on again and so on and on, it turns very slowly. The PC is stuck in the splash screen too..
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a b V Motherboard
January 28, 2014 9:57:30 AM

What is your video card? Your older motherboard had one PCI-Express 16x slot, the new one only does up to 4x. Depending on your videocard, this bandwidth limit may very well be holding you back. The bad news is that only a new motherboard can fix that, if it is indeed the case.

Edit: sorry, just noticed you already wrote that.
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January 28, 2014 10:01:39 AM

Well, i just swapped my GPU to my newer one that i didn't test yet (which is working great now), its the NVIDIA Gtx275.
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a b V Motherboard
January 28, 2014 10:07:22 AM

make sure the new motherboard is up to date (BIOS version)..sounds like a bigger problem tho
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January 28, 2014 10:19:20 AM

Beezy said:
make sure the new motherboard is up to date (BIOS version)..sounds like a bigger problem tho


I just updated the BIOS :)  And @Murissokah, i used the CMD Command, this worked, all the fans stopped, BUT i got very scared when i wanted to turn my pc on, it suddenly didnt POST anymore, so i unplugged the power cord, hold the power button for 10 seconds, and put it back in, this luckily worked!
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a b V Motherboard
January 28, 2014 10:20:03 AM

Mmm... a 9600 GSO wouldn't have a problem with 4x, a GTX 275, though, will very likely be held back by a 4x interface. Here's a thread with some people discussing the issue, some had been there and report big performance limitations:

http://forums.guru3d.com/showthread.php?t=269450
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January 28, 2014 10:54:53 AM

Okay thanks, i think this is the problem indeed. I think i will just look for a new MOBO and see if that would change it. Thanks for the help everyone.
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a b V Motherboard
January 28, 2014 11:06:49 AM

I would advise surge protectors for your computers and then for your TVs, surges can be caused by things other than lightning strikes. APC is a good brand, but Monster are way overpriced.
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a b V Motherboard
January 28, 2014 11:23:47 AM

You never said if you installed the drivers for the new motherboard, some people even do a fresh install of the operating system when they get a new motherboard. Warning: save your data first and requires the re-install of all programs.
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January 28, 2014 12:34:04 PM

I already reinstalled Windows 7 ;) 
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