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Dear experts! Please, who can explain the nature of artefacts on the screen that appear from time to time despite everything. And what can be the reason for hanging/freezing the system randomly (once/twice a day/ in two days/etc). Overheating? But thermal paste on CPU and VIDEOCARD was replaced and the CPU temp ranges 45-69 degrees (depending on workload). OSX was re-installed for several times, all updates were applied (including chamelion and fake smc updates, etc), yet the problem with system hanging remained. With Ububtu the same laptop works perfectly - neither artefacts nor hangs/freeze. Thank you! P.S. Hanging of the system is the major problem for me and I hope sombody hint me the reason for it. Lenovo b570/HD 3000/8 RAM/ OSX 10.8.3.
To: data14 Which AppleHDA do you use? Is your mic functional? Did you patch DSDT to make your sound and mic function? I am asking because I use VoodooHDA and mic is not working, and would like to fix this issue. Thank your in advance!