Laptop Screen blurring

HI, Since i installed window 8 my screen keep blurring constantly image below

here is my laptop info Summary
Operating System
Windows 8 Pro with Media Center 32-bit
Intel Mobile Core 2 Duo P8400 @ 2.26GHz 60 °C
Penryn 45nm Technology
3.00GB Dual-Channel DDR2 @ 398MHz (6-6-6-1Cool
Sony Corporation VAIO (N/A) 66 °C
Generic PnP Monitor (1440x900@60Hz)
Intel Mobile Intel 4 Series Express Chipset Family (Sony)
Intel Mobile Intel 4 Series Express Chipset Family (Sony)
232GB FUJITSU MHY2250BH ATA Device (SATA) 40 °C
Optical Drives
Optiarc DVD RW AD-7560S ATA Device
High Definition Audio Device
Thanks you

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Clarification Request
If it's just the background as in the picture.

Use a solid color background and keep using this PC.

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It's still the same

I did it as u said but it's no use,

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I don't see how this would not fix that background.

I'm trying to avoid a factory recovery. Unless there's more detail I think that's next.

You dumped some details but no make or model. Windows on a fresh install could do this. That's why most can't install Windows today. They are new to installing Windows and what to install after windows.

In short, drivers and machine specific apps. It's not automatic and I don't own your laptop so I can't create a step by step. Step by step is either from the maker or the owner that wrote it down.

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