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Jerky Framerate on Media Center PC

1234 Views 4 Replies 2 Participants Last post by  TrevaUk

I've built a media center pc, using parts from an older computer and some new parts I purchased.

It all works but there is an odd issue with the display.

It would appear the graphics card is redisplaying an older frame every 2 or 3 frames, like there is an issue with the video card buffer, so any movement on screen appears jerky. The mouse cursor looks like it has a 'ghost clone' following it around the screen. This happens at random, sometimes it's fine and sometimes not.

It didn't do this before converting the PC into a media center, and the graphics card was one of the few components I had to replace because it would not fit into a low profile media case.

I've tried uninstalling and reinstalling Video card drivers.
Changing the display resolution or refresh rate does have a temporarily fix.

System Specs
GPU: Asus HD 4350 512MB DDR2 DVI HDMI Out PCI-E Low Profile
CPU: 3Ghz Single Core
RAM: 4GB DDR2 533MHz (Only 3GB recognised due to 32bit OS)
OS: Windows 7 Home Premium
PSU: 350w
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Do you have the latest drivers installed for the 4350?
Your PSU is lacking sufficient power for a PCI-E GPU.
Have you checked your Temps & Voltages in the Bios?
Some screen shots of the bios, temps, voltages etc (I let the system run for 20 minutes before exiting to bios, to take these pictures)

and some pictures of the system itself with the top cover removed.

I have tried updating the 4350 drivers and removing unnecessary start-up programs, but still the fault exists.
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What psrts are old and what is new?
Your CPU temp is too high. Was the CPU-heatsink/fan purchased new?
If not, did you apply thermal paste?
Are all four legs of the heatsink securely locked in the Mobo?
The new parts are: Case with 350w PSU, Graphics card, 2 sticks of Ram, and added a 1TB Hard Drive.

The CPU heat-sink was already installed as I just moved the motherboard to the new case, although it is a rarther small heat sink

I suspect it might be the cheap graphics card which cost me only GBP £27.69 at time of purchase.

Asus HD 4350 512MB DDR2 DVI VGA HDMI Out PCI-E Low Profile Graphics Card
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