I'm having the same problem. My Legit Copy of Black Ops just killed my Wii. So now I have to send it to Nintendo. Lucky for me I have backup HBC Wii. Still I can't get the game to play on my USB Loader GX
My Wii is at 4.0 Using Rev 19
Here are some other bits of info from it.
sysCheck GX v1.0.0 by Erik Spyder
sysCheck GX is running under IOS61 (rev 4890).
Console ID: 75310429.
Region: NTSC-U.
Hollywood v0x11.
Boot2 v3.
System Menu v417 (4.0U).
BC v2.
MIOS v5.
Blocks the GameCube Action Replay.
Found 185 titles.
Found 41 IOS and 1 IOS Stubs on this console.
IOS 4 (rev 3): Trucha Bug, ES_Identify, FLASH Access, NAND Access
IOS 5 (rev 514): Trucha Bug, ES_Identify, FLASH Access, NAND Access
IOS 9 (rev 65535): Trucha Bug
IOS 11 (rev 65535): Trucha Bug, ES_Identify, NAND Access
IOS 12 (rev 65535): Trucha Bug
IOS 13 (rev 65535): Trucha Bug
IOS 14 (rev 65535): Trucha Bug
IOS 15 (rev 65535): Trucha Bug
IOS 17 (rev 65535): Trucha Bug
IOS 20 (rev 65535): Trucha Bug, ES_Identify, NAND Access
IOS 21 (rev 65535): Trucha Bug
IOS 22 (rev 65535): Trucha Bug
IOS 28 (rev 65535): Trucha Bug
IOS 30 (rev 65535): Trucha Bug, ES_Identify, NAND Access
IOS 31 (rev 65535): Trucha Bug
IOS 33 (rev 65535): Trucha Bug
IOS 34 (rev 65535): Trucha Bug
IOS 35 (rev 65535): Trucha Bug, ES_Identify, NAND Access
IOS 36 (rev 65535): Trucha Bug, ES_Identify, NAND Access
IOS 37 (rev 65535): Trucha Bug, ES_Identify, NAND Access
IOS 38 (rev 65535): Trucha Bug, ES_Identify, NAND Access
IOS 40 (rev 65535): Trucha Bug, ES_Identify, NAND Access
IOS 41 (rev 65535): Trucha Bug
IOS 43 (rev 65535): Trucha Bug
IOS 45 (rev 65535): Trucha Bug
IOS 46 (rev 65535): Trucha Bug
IOS 50 (rev 65535): Trucha Bug, ES_Identify, NAND Access
IOS 51 (rev 4864): Stub
IOS 52 (rev 65535): Trucha Bug, ES_Identify, NAND Access
IOS 53 (rev 65535): Trucha Bug
IOS 55 (rev 65535): Trucha Bug
IOS 56 (rev 65535): Trucha Bug
IOS 57 (rev 5918)
IOS 60 (rev 65535): Trucha Bug, ES_Identify, NAND Access
IOS 61 (rev 4890)
IOS 70 (rev 65535): Trucha Bug, ES_Identify, NAND Access
IOS202 (rev 4): Trucha Bug, ES_Identify, NAND Access, USB 2.0
IOS222 (rev 4): Trucha Bug, ES_Identify, NAND Access, USB 2.0
IOS223 (rev 4): Trucha Bug, ES_Identify, NAND Access, USB 2.0
IOS249 (rev 14): Trucha Bug, ES_Identify, NAND Access, USB 2.0
IOS250 (rev 65535): Trucha Bug, ES_Identify, NAND Access, USB 2.0
IOS254 (rev 65281)
Report generated on 2010-12-24.
If you have any idea how I can get it to work. At least until my Legit Wii gets back.