Now I had this issue after replacing lcd and housing only to find out that the pins that connect the lcd ear peace to motherboard weren't contacting the ear peace and I had to rub out some of the film on the new lcd were the sensor array sits . And the ambient light sensor after about 2 hours of fiddling boom it worked I also lifted the pins more and made shore I reseated the front dot projector and camra and made shore I place the emi sheilds back on correctly and hey presto it fixed it end results were no more higher alittle lower problem all fixed
Reset your vedio settings hold power till here bleep then bleep bleep then it gose off then left go and pres and hold till you here bleep ...... bleep then let go
can you get past bios post is is saying please wait on windows boot up you could try factory reseting the laptop common fault is hard drive failure you can also do a few testing points 1 remove cd rom drive 2 remove battery with power connected 3 remove hard drive and test it in another laptop 4 remove your ram and see if laptop bleaps