Yes, you can use 70% rubbing alcohol to clean the CPU.
Yes, you can use 70% rubbing alcohol to clean the CPU.
You can use 70% isopropyl alcohol on a Q-tip to clean the CPU, but make sure to follow proper safety steps and avoid damaging the components.
It simply requires a little more time to dry compared to 99%. Just avoid scattering it everywhere.
I tried 70% isopropyl alcohol first, then moved to 99% and even 90%. It functioned well and might be better, though it dries more slowly due to its higher water content.