Question about Sony VAIO VGC-LS21N PC Desktop
One long beep + 3 short beeps denotes a video problem for Sony Vaio. Unfortunately it doesn't get more specific. If you have a video card, try re-seating the card. Try using a different monitor. Try upgrading the drivers (probably here: http://www.driverboost.com/lp/drivers/update/ati-video-drivers.php ) of course you will have to go to a different PC to download them onto a CD/dvd and try to run them. You might consider trying to boot into safe mode and doing a system restore. It could be many things. Without more information I can't really be of much more help. Hope one of these works for you.
Posted on Oct 15, 2010
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Posted on Jan 02, 2017
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