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Showing results for tags 'screen flickering then blank'.
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I own a Sony VAIO VPCF115FM, Model number PCG-81114L. It is quite old but was working perfectly up until a few days ago. The screen started flickering and would sometimes go black. I could hit the display off button a couple of times and the screen would come back on. Today, the screen was flickering and I was going through some driver updates from the Sony support site and the screen went from flickering to very dim. You can barely see anything and can not at all see where the cursor is. The display button no longer does anything. I removed the battery and did the 30-1-2; hold the power for 30 seconds then check screen then 1 minute then 2 minutes if nothing worked. It did not help. I then removed the RAM and tried every combination; swap sticks, one stick lower then the same upper and then tried the same combo with the other stick. Nothing worked. I then tried plugging in a separate monitor and I could not get the monitor to recognize anything, just read no power signal. This laptop has the i7 with the Nvidia GeForce GT 330m GPU full 1080 display. I can just barely see the screen so the computer is working. It appears that I was able to get into the BIOS but the screen is too dim to make anything out. Could this be a back lighting issue? Would anyone have any other ideas?
