Brightness High After wake from sleep...

[Shridhar]

helooo all geniusss...
i need help regarding my dell inspiron 5520 laptop
its i5 3210 with hd4000
everythng is working fyn 99% except the brightness...
i m not using any dsdt so no brightness slider...
at moment i put my laptop to sleep...after wake brightness is high 100%
cant understand why....
do i need dsdt????
i am running mavericks
i hav very little knowledge in dsdt thing i would realy appreciate if anyone help me

 

[RehabMan]

helooo all geniusss...
i need help regarding my dell inspiron 5520 laptop
its i5 3210 with hd4000
everythng is working fyn 99% except the brightness...
i m not using any dsdt so no brightness slider...
at moment i put my laptop to sleep...after wake brightness is high 100%
cant understand why....
do i need dsdt????
i am running mavericks
i hav very little knowledge in dsdt thing i would realy appreciate if anyone help me

You need to patch your DSDT. See: https://github.com/RehabMan/Laptop-DSDT-Patch

Apply: "Brightness Fix"

 

[Shridhar]

Thanx rehabman for ur fast replyy
wen i use mac iasl to extract dsdt i get errors and warnings
even wen i hav not applied any patch
still it has errors in fresh xtractd dsdt??

nd wich patch should i apply???

my graphics are full supported but no brightness slider
and brightness high after i wake feom sleep

 

[RehabMan]

Thanx rehabman for ur fast replyy
wen i use mac iasl to extract dsdt i get errors and warnings
even wen i hav not applied any patch
still it has errors in fresh xtractd dsdt??

That is normal. It is common to need to correct errors in the system DSDT. Post the DSDT if you need help.

my graphics are full supported but no brightness slider
and brightness high after i wake feom sleep

See post #2.

 

[Shridhar]

rehabman i have uploaded my raw dsdt plz telme wat to do

 

[RehabMan]

rehabman i have uploaded my raw dsdt plz telme wat to do

You have one error (TNOT). Use "Fix TNOT Error"

 

[Shridhar]

where is fix tnot patch i cant find it

 

[RehabMan]

where is fix tnot patch i cant find it

See post #2.

 

[Shridhar]

ive attached my dsdt fixed tnot error now wat to do next for my high brightness fix and brightness slider fix

 

[RehabMan]

ive attached my dsdt fixed tnot error now wat to do next for my high brightness fix and brightness slider fix

See post #2.