Well, after reading everyone of these hallowed pages, I am still non the wiser as to what to do.
I have two Sony Vaio's -
Both showing the exact same symptoms.
CD/DVD-ROM Spinning (and trying to read when disc inserted),
POWER LIGHT ALWAYS ON,
BATTERY LIGHT FLASHING WHEN AC PLUGGED TILL BATTERY CHARGED
CPU GETS HOT AND FAN KICKS IN
NO EXTERNAL DISPLAY
Like so many of you in the past I have tried the following
1) Tested RAM/CPU/HDD on good systems (all OK)
2) Tested DC adapter (19.5v as per Adapter)
3) Replaced CMOS batteries
One thing I think may be part of it (I know for certain with the FW series) is that the BIOS had been updated due to VT update for the CPU. Could it be a bad flash?
I am OK with component level repairs, but I am at a complete loss as to where to start on these!
So any advice! Any suggestions! There is power there, its just tying to get it to blooming well work!
Answers on a postcard lol
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Often the ram can cause this problem, though you should hear beeps from an on board speaker if that is the problem.
Install only one stick of ram, then try the one stick in each slot.
Have you tried to use an external monitor?
I flashed and ruined the bios on a desktop pc before. i don't think it would even post. This would show up immediately after the flashing of the bios though.
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RAM was my immediate thought as well, often on laptops one of the RAM slots will be the primary slot, which must contain the first RAM chip, when youve had a laptop for a while the regular knocks and bumps can damage the support struts which hold the chip in place, it is possible that the chip isnt seating properly and thus the laptop fails to start.
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