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my laptop :Acer Aspire E1-572G-54204G75Mnkk
my mb : v5we2 LA-9531P
rev: 1A
2013-05-22
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the problem is bios
i flash bios ( old bios is 2.13 ) (new bios is 2.12 ) with programmer
and successfully system load and i can install windows
but there is a problem
*when i power on the laptop for few time screen is black and need more time to lcd turn on and show Acer logo
but this problem does not in old bios version (2.13)
i update new bios ( ver 2.17) with windows application with acer website and successfully update ( on setup the version of bios changed to 2.17)
but problem does not solve
help me please , because this problem is important for me
sorry for my english