Hello. I had my Sony VGN-690 reballed to fix the graphics card solder connection ilness. When I got it back, I put in the power cord but never did see the charging amber light blink on the front. I thought it should have shown charge but the battery had been fully charged the month before, when I shipped it out without the battery. So, the laptop started and the screen looked nice like it does with no graphics trouble. It was nice to have this old sony running again. I did not use it much because I had bought a new laptop. (a week later...) So, last night I unplug the power from where it was on the desk and took it with me to my bed and started cleaning old files off of it. I put it in hibernation and went to sleep. This morning I started it up and was uninstalling some programs and noticed the battery down to 40% and carried it over to the desk and plugged in the power and the moment I did that the computer died... like as if I had pulled out the battery. It is dead. Nothing I can do to make it show any signs of life. I do not know if the battery had happened to go dead at that moment. I don't know anyone with a Sony to try a different battery. My AC power adapter shows 19.69 volts DC at the plug. Any suggestions?
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Try removing the battery. I'd normally expect the Vaio to work off mains alone. If it doesn't, this might suggest a problem with your power cable or adapter. Let us know whether it works.
When charging batteries that have been completely exhausted it's not unusual for the charging indicator light …
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What reasons make you suspect it's the RAM?
I think it's more likely a CMOS battery issue, because you mentioned the computer is old, it was shipped without power, and you had to reset the system clock.
A blown fuse also seems unlikely given that you succeeded in charging the …
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