k42j

Forum discussion tagged with k42j.
  1. J

    Question CPU upgrade result blank screen

    My laptop have 988rPGA (idk why listed as 989rPGA in CPU-Z) socket. I already check the HM55 chipset capable to upgrade from i3 350M to i7 640M. I have already upgrade the similar laptop and it's going well. But this time it stuck at blank screen. The BIOS already updated to the last version...