This guide will show you how to use USB loader to backup and boot games from a USB drive. There are two methods, Method 1 loads the USB LOADER from the homebrew channel. Method 2 loads the USB LOADER from it's own channel. This is by far the best medhod for playing your Wii backups. No more burning disks, MUCH faster load times!
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<b>First, what's required:</b><br> 
<li>A Nintendo Wii 
<li>Newest Homebrew Channel installed 
<li>CIOS REV 10 DOWNLOAD <a href="http://turdinc.kicks-ass.net/Msntv/ps2/downloads.html">HERE</a>
<li>For Method 1 - Waninkoko's_SD_USB_Loader_1.5.zip DOWNLOAD <a href="http://turdinc.kicks-ass.net/Msntv/ps2/downloads.html">HERE</a>
<li>For Method 2 - USB_Loader_Channel-v1.5.rar DOWNLOAD <a href="http://turdinc.kicks-ass.net/Msntv/ps2/downloads.html">HERE</a>
<li>The original IOS36-64-v1042.wad file DOWNLOAD <a href="http://turdinc.kicks-ass.net/Msntv/ps2/downloads.html">HERE</a>
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<b>METHOD 1:</b> <br> 
-Extract Cios Rev 10 to /apps folder on your SD card<br> 
-Install Cios Rev 10<br> 
-Extract the Waninkoko's_SD_USB_Loader_1.5.zip file into the apps folder of your SD card.  <br> 
-Stick the IOS36-64-v1042.wad file into the root of the SD card. <br> 
-Boot the Homebrew Channel, run the IOS installer <br> 
-Select &quot;WAD Install&quot;, it should install automatically <br> 
-Reset Wii 
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<b>METHOD 2:</b> <br>
Basically the same as method one except you will be extracting USB_Loader_Channel-v1.5.rar to the /wad and /images folder and installing it from the WAD installer.
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<b>Running USB loader:</b> <br>
-Insert a USB drive into the Wii <br>
-Boot the homebrew channel, select USB-LOADER (Method 1)<br>
-Boot the usb channel (Method 2)<br>
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<b>Now one of three things should happen. </b>
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Either A, <br>
-You see a code dump. This is bad. Make sure there's only one USB device in the back of your Wii and that the one USB device is firmly connected. 
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B, <br>
-You get an REV- error. This most likely means the device you're attempting to use does not work. 
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Or C, <br>
-It asks you about formatting and choosing a partition. 
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This WILL erase everything on your USB drive, so be sure to back it up. Yes, the USB drive can be converted back to normal later, it's no big deal. Windows will however, not be able to read your USB drive while it's formatted under the WBFS. 
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-Choose your partition and continue. <br>
-Insert the game disk (original or backup) into your Wii, and press the + button. (give it a second) 
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What It should say; 
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--------------------------------------------------------------------------------<br>
Opening dvd disk.. OK!&quot;<br>
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Then it will proceed to carry on with the ripping operation. 
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<center>
<b>USB LOADER in action.</b><br>
<embed src="http://www.youtube.com/v/akVvh1Lfa4c&amp;hl=en&amp;fs=1&amp;rel=0&amp;color1=0x234900&amp;color2=0x4e9e00&amp;hd=1" type="application/x-shockwave-flash" allowscriptaccess="always" allowfullscreen="true" width="480" height="385"></embed>
</center><br><br>

[b:2763db20a8]Latest USB Loaders... [/b:2763db20a8]These loaders host a ton of features that the original Waninkoko 1.5 loader does not. They are even cooler than the one demoed above! You might want to check these two out. 

CoverFlow - http://code.google.com/p/wiicoverflow/
USB Loader GX - http://usbloadergx.koureio.net/downloads/revisions
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<b>Adding your .iso files to your USB drive from Windows.</b>
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Download WBFS Manager from http://wbfsmanager.codeplex.com then simply fallow the steps below.<br><br>
<b>Step 1.</b> Selcet the Drive letter of your USB device.<br>
<b>Step 2.</b> Drag your .iso file you want to place onto the USB device in the area pictured below.<br>
<b>Step 3.</b> Click on the &quot;Add To Drive&quot; button.<br>
A status indicator should pop up and depending on the size of the game it can take a few minutes or a few seconds to complete the transfer. Enjoy!!
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<center>
<img src="http://turdinc.kicks-ass.net/Msntv/ps2/Wii/wbfs.jpg">
</center><br><br>
 
<b>Troubleshooting: </b>
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Q: When installing the IOS file, i get &quot;extracting content #00... ERROR! (ret = -1017)&quot;?<br>
A: Use AnytitleDeleter to get rid of ISO249.
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Q: When I boot USB Loader, I get: Could not initialize USB subsystem! (ret = -1) ?<br>
A: This means either your USB drive is corrupted or it is not supported. Please use another drive or doublecheck connections. Also, if you have something plugged in the other USB port, be sure to remove it. If all that doesn't work, try switching your USB port. Some people reported this working via hotswapping, but I do not support this method. Other people are reporting that plugging two errored USB's in at once makes one work.
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Q: While in the ripping process, it freezes. (I got passed 0.01%)<br>
A: Mine did this, but because my flash drive was overheating. It sounds ridiculous, but try keeping it cooled off. Or if you have another flash drive, try that.
If your flash drive has an LED and it's still blinking, leave it be, it's just running slow! If it's stopped blinking for more than 40 seconds you'll need to reset your Wii. Also, sometimes it wont work the first time, but works great the second or third.
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Q: When I go to rip the disk, it freezes at 0.01% or 0.00%?<br>
A: If your Wii is hard modded, I don't have a solution for you :[..but if it isn't, try reinstalling the IOS file or cleaning your disk.
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Q: When I go to rip, it says &quot;Invalid Wii game&quot;?<br>
A: You're most likely using a backed up game or a ligit scratched game. Clean the DVD, try a few more times. If that fails burn another copy.
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Q: WTF's a partition?<br>
A: The best way to describe it, is a segment of your hard drive that is reserved for one file system
. Most computer come with the entire hard drive as one partition, but you can split hard drives into multiple partitions for better organization or different file systems.
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Q: How do i turn my USB device back compatible with windows?<br>
A: Using XP, right click &quot;My computer&quot; and go to &quot;Manage&quot; while your USB drive is connected. Click &quot;Disk Managment&quot;. Right click your device and format or create a new partition.
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Q: I know what a partition is, is there any way for me to repartition my drive without loosing current data?<br>
A: Unfortunately, there's no easy way to just repartition without deleting previous partitions that I know of.
[EDIT: Apparently you can use Partition Magic, but I have no experience there]
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Q: Can i dump Gamecube games?<br>
A: No. Im sure it'll eventually be supported, but not at this time.
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Q: It says that there's only x.xxgb's avaliable, but I have a lo tmore space than that!!<br>
A: Either you messed up with the Partitioning, or you're not using my USB Loader pack.
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Q: Do I need FW v4.0?<br>
A: Nope.
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Q: Can I put the ISO on my Hard drive through Windows?<br>
A: Yes, the [Only Registered Users Can See Links. Click Here To Register].
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Q: How big are the Wii games and how long do they take to dump?<br>
A: Most games take under 20 mins to dump, except Super Smash Bros Brawl. Here's some examples.<br>
The Legend Of Zelda: Twilight Princess :::: 1.12gb :::: 13 mins<br>
Link's Target Training :::: 0.25gb :::: 3 mins, 25 seconds<br>
Wii Sports :::: 0.36gb :::: 5 mins, 13 seconds<br>
Super Smash Bros Brawl :::: 6.87gb :::: 1 Hour, 34 minutes, 8 seconds
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Q: My disk drive is really loud and making weird noises!!<br>
A: Don't worry about it. The noise amount varies between models and use.
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Q: My picture is black and white / distorted / Grainy / ect?<br>
A: It's cross-video compatibility. Some PAL games work great on NTSC consoles, others dont, and vise versa. There's been numerous reports of fixes and video patches, and forcing NTSC, but nothing is clear yet.
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Q: Does this include USB 2.0 support?<br>
A: Yes
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Q: Does usb loader dump brickblocked backup discs?<br>
A: Yes.
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Q: How big can my partition be?<br>
A: 512gb max for now.
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Original guide found on gbatemp, modified by: MattMan