How to lagfix when speedMod deleates CWM? this or other fix for Internal SD card prob

I tried upgrading my old phone,a S1 i9000 to cm10 which resulted in a bunch of errors. I than tried to flash back to stock,however i was still getting:
E:failed to mount /sdcard (File exists)
E:copy_dbdata_media:Can't mount /sdcard
your storage not prepared yet. please use UI menu
for format and reboot actions.
Meida files copy failed.
system unable to Format /data...Internal SD card cannot be mounted and such.

I first tried flashing dbdata.rfs,didn't help
Then i tried doing this http://forum.xda-developers.com/show...8#post30415128 (Flash a JVU+Root with a 512 Pit (repartition ticked) ...)
I also tried flashing just pit with rep,and then JVU, ( http://forum.xda-developers.com/showthread.php?t=817186 )
Then i found this- http://forum.xda-developers.com/show...postcount=5335
And tried to flash a speedmod kernel (fixed JVU kernel) in order to get the "universal lag fix menu" on cwm. However after i flash it i don't have cwm anymore.
I've been working on this for hours...please help.. What do i do?

EDIT: Flahsed very old version stock jp something,got same message on recovery but then booted.. into...cm10 . I just got the boot and then black screen.