Time to be very careful, it's sounding like you've messed with ios you shouldn't have and semibricked.
What exactly did you do in the first place, which ios have you replaced.
Can you post a syscheck if you don't know so we can see exactly what's been messed with.
Did you backup your nand? I can probably replace your messed up ios with originals from my dumped vios or you could possibly use nusdownloader however I believe they will still show as fakesigned and it may be possible you won't be able to update your wiiu.
You may want to hold off doing anything for now and get some advice from some of the other guy's first, they may be able to help you better. It would still be helpfull to know exactly, step by step what you did and changed, also how you are installing the cios, what versions, your sd card, your usb device give us more accurate information will make it easier to help you before you brick your vwii, if you have used wii ios' we can replace them to original's to hopefully fix your vWii then I suggest you read all the guides and stickies here to learn and understand exactly what it is you are doing and why because it sounds like you used a wii softmod guide with no idea what your doing or why and semi bricked your vwii.
My sys check
sysCheck v1.6.2 by Erik Spyder
Region unknown
The system menu v609 is running under IOS58 (rev 6432)
Hollywood v0x21
Console ID: 608157351
Boot2 v0
Found 91 titles
Found 32 IOS on this console
No IOS Stub on this console
IOS (revision) IOS Stub Trucha Bug ES Identify Flash Access NAND Access Boot2 Access USB 2.0
IOS9 (rev 1290) No Disabled Disabled Disabled Disabled Disabled Disabled
IOS12 (rev 782) No Disabled Disabled Disabled Disabled Disabled Disabled
IOS13 (rev 1288) No Disabled Disabled Disabled Disabled Disabled Disabled
IOS14 (rev 1288) No Disabled Disabled Disabled Disabled Disabled Disabled
IOS15 (rev 1288) No Disabled Disabled Disabled Disabled Disabled Disabled
IOS17 (rev 1288) No Disabled Disabled Disabled Disabled Disabled Disabled
IOS21 (rev 1295) No Disabled Disabled Disabled Disabled Disabled Disabled
IOS22 (rev 1550) No Disabled Disabled Disabled Disabled Disabled Disabled
IOS28 (rev 2063) No Disabled Disabled Disabled Disabled Disabled Disabled
IOS31 (rev 3864) No Disabled Disabled Disabled Disabled Disabled Disabled
IOS33 (rev 3864) No Disabled Disabled Disabled Disabled Disabled Disabled
IOS34 (rev 3864) No Disabled Disabled Disabled Disabled Disabled Disabled
IOS35 (rev 3864) No Disabled Disabled Disabled Disabled Disabled Disabled
IOS36 (rev 3864) No Disabled Disabled Disabled Disabled Disabled Disabled
IOS37 (rev 5919) No Disabled Disabled Disabled Disabled Disabled Disabled
IOS38 (rev 4380) No Disabled Disabled Disabled Disabled Disabled Disabled
IOS41 (rev 3863) No Disabled Disabled Disabled Disabled Disabled Disabled
IOS43 (rev 3863) No Disabled Disabled Disabled Disabled Disabled Disabled
IOS45 (rev 3863) No Disabled Disabled Disabled Disabled Disabled Disabled
IOS46 (rev 3863) No Disabled Disabled Disabled Disabled Disabled Disabled
IOS48 (rev 4380) No Disabled Disabled Disabled Disabled Disabled Disabled
IOS53 (rev 5919) No Disabled Disabled Disabled Disabled Disabled Disabled
IOS55 (rev 5919) No Disabled Disabled Disabled Disabled Disabled Disabled
IOS56 (rev 5918) No Disabled Disabled Disabled Disabled Disabled Disabled
IOS57 (rev 6175) No Disabled Disabled Disabled Disabled Disabled Disabled
IOS58 (rev 6432) No Disabled Disabled Disabled Disabled Disabled Disabled
IOS59 (rev 9249) No Disabled Disabled Disabled Disabled Disabled Disabled
IOS62 (rev 6942) No Disabled Disabled Disabled Disabled Disabled Disabled
IOS80 (rev 7200) No Disabled Disabled Disabled Disabled Disabled Disabled
IOS249 (rev 21010) No Disabled Disabled Disabled Enabled Disabled Enabled
IOS250 (rev 21010) No Disabled Disabled Disabled Enabled Disabled Enabled
IOS251 (rev 21010) No Disabled Disabled Disabled Enabled Disabled Enabled
Report generated on 2015/05/16
I'm using a 1 gig Kodak sd card, my HDD is an old iomega 80 gig one (I used it because it had its own power supply). I've used the cios available in this thread:
http://gbatemp.net/threads/simple-guide-to-install-cios-on-vwii-backup-nand-and-keys.339890/. Every time I try to install these cios now I get the EXCEPTION DSI OCCURRED error.