- Mar 27, 2012
- 292
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- 10,810
I have an old Acer Aspire SA90 and I recently installed a GTS 450 after I fitted a Corsair CX430 PSU... Everything was going fine until I installed the drivers. After I installed the Nvida drivers my Core 0 CPU usage jumped to 100% (50% overall on the Core 2 Duo) and the Performance was stuttery. I assumed this was some weird driver issue which was caused by remnants of the old AMD GPU drivers... I decided to have a clean install of windows 7 Home Premium 32bit (which was an upgrade from vista! 😀) and exactly the same problem was still occuring - Core 0 at 100% with the nvidia drivers installed.
Recently I found an old Gforce 6200 to see if that worked with the drivers (which was compatible with the 6200 *(Nv drivers 285.62)) and the CPU usage was back to normal with the drivers... I installed the GTS 450 and booted with the same drivers and the CPU was back to Core 0 - 100%
I also updated the Bios to the latest version but it didn't change anything.
The motherboard isn't a typical Board though, It uses a 3rd party (non-intel) chipset!
CPU-Z says it's a - SiS 671/FX/DX/MX Motherboard Chipset
I'm thinking about buying a new motherboard now... I've found a Q45 board for £30 and i'm really tempted... plus I'll have more options since it supports the Core 2 quad. It says it supports the 65nm E6700 Core 2 duo so I should be ok. Another good thing is that I have enough spare components to build another system if I reused the Acer MB!
Recently I found an old Gforce 6200 to see if that worked with the drivers (which was compatible with the 6200 *(Nv drivers 285.62)) and the CPU usage was back to normal with the drivers... I installed the GTS 450 and booted with the same drivers and the CPU was back to Core 0 - 100%
I also updated the Bios to the latest version but it didn't change anything.
The motherboard isn't a typical Board though, It uses a 3rd party (non-intel) chipset!
CPU-Z says it's a - SiS 671/FX/DX/MX Motherboard Chipset
I'm thinking about buying a new motherboard now... I've found a Q45 board for £30 and i'm really tempted... plus I'll have more options since it supports the Core 2 quad. It says it supports the 65nm E6700 Core 2 duo so I should be ok. Another good thing is that I have enough spare components to build another system if I reused the Acer MB!
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