Hey,

I recently was playing minecraft (server) and I closed my minecraft coz i needed to go to the toilet, and I reopened Minecraft when I got back and all i got was a black screen. I re-updated it and it still did'nt work, I copied my saves and deleted the whole Minecraft folder. I let my Minecraft re-install but it still got a black screen. Then I re-installed Java and I still got a black screen. So I manually downloaded the Minecraft.jar from here assets.minecraft.net/1_5_1/minecraft.jar and installed it still got a black screen. HELP! I use minecraft alot.

(Also right before that I downgraded to 1.9 Pre-Release coz I was bored so wonder if that caused it?)

EDIT: I have tried 1.3.2 and it worked, 1.4.2 worked and 1.4.7 worked but not 1.5 or 1.5.1