Black screen upon start up

July 23, 2011 at 07:05:08
Specs: Windows 7
Sony VAIO, windows 7 on occasion black screen. In the past I've always been able to resurrect it but do not understand what it is I did which resulted in the screen returning. Last night, shut it down, this morning, green light, yellow light, whirring sound, black please

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July 24, 2011 at 04:19:59
Test the hard drive with the drive manufacturer's diagnostic software. You will need the DOS version which runs from a bootable CD which you create from the downloaded ISO file. Links are here:

The purpose of the test is to determine if the hard drive is starting to fail, or has already failed. You may think this highly unlikely if your Vaio is new, but it's by no means unusual for new hard drives to fail prematurely - it may have come from a bad batch for example.

If it has failed, and it's less than a year old, you are entitled to a no-cost replacement from Sony.

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