Question about Sony VAIO RB30C (VGCRB30) PC Desktop

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Computer Turns on but nothing on monitor

I got a Vaio RB-30. Starts fine, but the moment it does, the green light on the monitor goes orange (off). I hooked up my laptop to the monitor, using the current cable that connects the RB-30 to the monitor, and the monitor works just fine. Would appreciate your assessments and thoughts. Thanks

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  • pklinuxguru
    pklinuxguru May 11, 2010

    My first thought is a bad video card. However, there are other things that can cause your computer to start to boot and then fail. Things like a bad BIOS upgrade or a bad CPU or memory chip would stop the boot. A bad HD or floppy disk will not stop anything being displayed. If your video is built-in instead of an add-on card that could be really tough to fix as they aren't really fixable on the motherboard. Do you get any beeps when it boots? That's usually an indicator of bad memory or CPU. Something to try and no guarantee on this is to remove the battery for a minute and try the boot. It won't fix a bad CPU or memory chip, but could clear out a bad BIOS setting. There's also a jumper on the motherboard that does that, too. You'd have to look it up in the manual to see where it's at.

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  • Sony Master
  • 5,568 Answers

The monitor detects the presence or absence of synchronization signals so your video (integrated or otherwise) isn't putting out video or sync signals. This could be because the boot isn't happening as it should or just a bad video installation. 

Posted on Dec 22, 2008

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