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ACPI.sys windows 7 process using 25-50 % cpu after replacing lcd panel dell n5110 17R


i am using Dell inspiron N5110 since one year. reasonably i have replace my lCD panel due to display issue from dell authorized dell dealer in sri lanka.

after i replacement it was too slow my then i format it and reinstall OS with all new drivers (from del website)but issue was continuing.

then i check the process which is consuming high cpu was ACPI.sys and when i Google it its seems the newly install hardware cause this.

i have updated bios to new A11 version with all other updates.but still i am facing it.hope u guys help me to fix this.


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