Hi NASFAT and welcome.
You need to provide us with more detail of the problem, but if your display is distorted then you may possibly have a graphics chip problem. If this is the case then the following Sony announcement will explain things further.
Distorted video, random characters or blank screen issues due to failure of the NVIDIA graphics chip
August 4th, 2009
In July 2008, NVIDIA publicly acknowledged a failure associated with some of their graphics processors (GPU) due to a manufacturing defect in the graphics chip packaging. At that time Sony and NVIDIA jointly investigated whether VAIO models equipped with this GPU were impacted by this issue. This investigation revealed that the issue had not occurred in such VAIO models.
However, after closely monitoring the situation, Sony has now determined that a very small percentage of VAIO computers with the NVIDIA graphics chips may be affected.
These PCs may exhibit distorted video, random characters or a blank screen due to a failure of the NVIDIA graphics chip.
Resolution
As a part of our commitment to quality, for any customer who requires repair of their VAIO computer due to the NVIDIA graphics processor issue, Sony will cover the cost of repair (parts and labor) at no charge during the first four years following the date of purchase of the models in question (see list below).
In case your model is shown in the list below, we invite you to contact VAIO Support to arrange service for your VAIO.
Applicable Models
• VGN-FZ11x, VGN-FZ18x, VGN-FZ21x, VGN-FZ31x, VGN-FZ38x
• VGN-AR11x, VGN-AR21x, VGN-AR31x
• VGN-C1Zx, VGN-C2Zx
• VGC-LM1xx, VGC-LM2xx
• VGC-LT1xx, VGC-LT2xx
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