Question about Sony Computers & Internet
Check all connection if they are properly installed. if you are having the right MOB and compatible processor and RAM it should work.
did you hear any beeps while booting?
Posted on Mar 30, 2014
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Posted on Jan 02, 2017
given the symptoms, it points to motherboard.. if it was processor, video or ram. it wouldnt boot at all and you'd just get error beeps from your laptop. i'd first try resetting the bios, by removing the bios battery for 30 min, then putting it back in. if that doesnt work try changing it out, usually costs under 8 bucks. if that doesnt work then I would change out the motherboard, if its cost effective.
Posted on Mar 03, 2009
remove and, reseat your memory if that doesn't help try disconecting your dvd drive hard drive(s) one at a time and, retest
Posted on May 24, 2009
SOURCE: Will not boot up
this is motherboard hardware issue
1) first all you need take out all devices like HDD DVD, wireless card then try turn it on if noting yet
2) change RAM stick that you have done
3) check DC PWM standby status, like 3V/5V/1.8V which should be appear before power on.
if no 3V/5V DC output, check this PWM circuite like MOSFET or PWM chip.
if you find 3V/5V, so need check 1.8V DC output and 1.2V that chip fail also cause nothing turn on.
all steps need diagram check where the chips and componenets on your board.
hope help you something fixed, please take a rating let me know how much helped you thanks! keep in touch your question
Posted on May 27, 2009
The 4 blinks are telling you that there is a fault. The same as Computer Bios Beeps.
I,d suggest removing the RAM/Memory, and replacing it. Press and hold the power button for more than 4 seconds, to ensure it isn,t in standby mode. failing this remove the cpu and re-seat it as it may be slightly out of position, or out of it,s socket. finally have a look at the back or underside to see if there is a reset switch/hole.
Mike @ Compurepair.
Posted on Jun 12, 2009
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