my minecraft wont show any of the mobs skins. its just black.i also cant see my skin its just pitch black and it wont go back to normal.i run my minecraft on a Acer aspire 1 laptop with 1GB 320GB storage and it has intel atom.I have downloaded it and redownloaded it 10 times and nothing happens so far.the only way i could get the skins of mobs to show is getting singleplayer commands and doing /light.also with optifine.PLEASE REPLY BACK FAST.