Is your heat sink installed correctly. ie is it on the right way round?
Have you un-installed your graphics card and reinstalled it. ie un-install software then physically removed the card and start a fresh.
Huawei P10 review
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New iPad, iPhone SE & Red iPhone 7 on sale now
Synology invites you to visit them at Insomnia on 26th – 29th August. Book your tickets now and visit Synology.