Question about Sony VAIO VGC-RB42G PC Desktop
Green light blinking, making a ticking sound. I opened the case unplugged all wires to the motherboard, waited 10 min , plugged back in, light went solid. Still will not turn on.
This type scenario normally indicates a power supply failure. Try connecting a known good power supply to your Sony Vaio desktop.
If you do not have a spare power supply, (many people do not) the alternative is to short the the black and green wire on the power lead connecting to the motherboard using a paper clip. This is not a desirable solution and very dangerous, but will help to diagnose the problem. Do not insert any objects while the power supply is energized. Ensure it is unplugged first.
Should the computer start with the green and black wire shorted, the problem is with the power supply. If not, the problem is likely at the motherboard level.
Hope this helps you.
Posted on Dec 29, 2008
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Posted on Jan 02, 2017
Tips for a great answer:
test all power and data leads that attach to your hard drive SATA
the leads from your (motherboard to your hard drive) make sure they have a secure dust free connections and are not faulty
make sure all leads that are attached to your drives dvd\cd have secure connections and are not faulty
even something as small as faulty fan lead can cause you problems
computers need all of the data and power to travel through every working device and to have an end for a computer to be able work properly
a motherboard and a hard drive any leads between them will fail before your motherboard or your hard drive check all power and data leads make sure they are securely seated even the cd/dvd drives need to have current go through make sure these devices are working
check the CPU central processing unit make sure it has thermal paste and dust free secure seating
also check your computer ram modules and cmos battery make sure it has charge and they are dust free and securely seated some motherboards cmos batteries are soldered in
hope it helps
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