So, i have this problem for around 2 weeks.
It happend when i was normally playing City: Skylines,
I tried deleting my videocard drivers and reinstalling them, but when downloading the drivers it gives my pc an blackscreen.
Processor: AMD A8-3870 APU with RADEON(tm)
System: 64-bits operating system, 64x-processor
Videocard: AMD Radeon HD series 7800
Motherboard: Gigabyte Technology Co. Ltd. GA-A55-DS3P (Socket M2)