[G Tablet Android Development] grinch247:
followed this perfectly....still nothing:

Part One – Install ClockworkMod v08

ClockworkMod is what will ultimately be used for all your flashing of ROMs, backing up, clearing cache, etc.

Step 1.

Download ClockworkMod v08 (This version has been found to work best...the newer version causes some issues with some ROMs.) There are two versions available; one for installing ClockworkMod from the internal memory, one for installing it from external memory (microSD/microSDHC card).

Step 2.

Unzip the file you chose (cwmod_internal.zip OR cwmod_microsd.zip) to the root folder on the storage option of your choice.

So, for example, if the storage option you chose has the drive letter “F:” assigned to it when hooked up to your computer, you would want it to look something like this…

A folder located at “F:\recovery”

A file located at “F:\update.zip”

Step 3.

Turn off your device.

Step 4.

Press the power button and the Volume+ button at the same time and release them when the Viewsonic splash screen pops up. You should see "Detect a recovery key pressed" pop up in the upper left corner of the screen.

Step 5.

Watch ClockworkMod install. This will not take long. Your tablet will reboot when installation is complete.

Step 6.

Enter ClockworkMod:

To get into ClockworkMod you need to shut down your device, then press the Power and Volume+ button (the same way you did to install ClockworkMod).

Navigating ClockworkMod: Vol+ and Vol- are to scroll up and down, the home button selects an option, and the back button backs up.

Step 7.

Re-Partition your Tablet:

In order to make sure the Android Market works correctly after installing any ROM, we must re-partition the device.

Select the advanced option at the bottom of the ClockworkMod menu, then go to “partition SD card”, for the first option select 2048, and for the second option select 0. This erases data on your tablet. Be prepared.

Part Two – Install a ROM.

A ROM (explained in very basic terms) is like Windows on your computer (assuming you’re not running Linux or Mac OS). Each ROM contains a customized version of Android that comes packaged with software, themes, and everything else you actually see when the device powers up. You install any additional apps you would like to use after installing the ROM. Beware, ROMs are device specific. You cannot reliably install ROMs designed for another device.

Step 1.

Now that your device is essentially empty, we need to be able to put files on it. ClockworkMod can do this for us. Connect your tablet’s USB cable from your tablet to your computer. Go to the ClockworkMod main menu, then navigate down to “mounts and storage”, and then select “mount USB storage”. The tablet’s internal storage will then be accessible from your computer. You will want to open it, and create a folder called “ROMs”.

Step 2.

Download whatever ROM you want to use. The links to the ROMs are located above. Click on the link to see what that ROM looks like. The most popular ROMs for this device are TnT Lite and VEGAn Tab.

Step 3.

Copy whatever ROM you wish to install (it should be a .zip file) to the ROMs folder on your tablet. (Leave it zipped, Clockwork will install it from the .zip file as is).

Note: If the ROM you downloaded has multiple files, look for the one named “update.zip” and rename it to whatever you want (something to help you differentiate it from other ROMs), then copy that to the tablet. If an “update.zip” doesn’t exist, and you’re lost…read through that ROM’s thread and see if anybody else asked about it…if not then you probably should (on that ROM’s thread…each one is different).

Step 4.

Turn off your device.

Step 5.

Boot into ClockworkMod. (Press the power button and the volume+ button at the same time until the Viewsonic splash screen pops up, release, then you should see “Detect a recovery key pressed”. After that it will think for a few seconds and then it should boot into ClockworkMod)

Step 6.

Stand up and do a dance. Sitting too long isn't good for you.

Step 7.

Back up to the main menu, then navigate down to “mounts and storage”. When that is highlighted press the home button to select it.

Step 8.

We want to mount “/system” and “/data”.

The goal is to see the following:

“unmount/system”

and,

“unmount/data”

If either one says “mount” instead of “unmount” you need to navigate to that line and press the home button to mount it.

Step 9.

This is the step that we actually flash the ROM in.

From the ClockworkMod main menu, navigate down to “install zip from sdcard” and press the home button to select that option at the menu.

Then, navigate to “choose zip from sdcard” and press the home button to select that option.

Navigate to the line that reads “ROMs” and press the home button to select that option.

Navigate to the line that reads whatever .zip file you wish to install and press the home button to select that option.

Navigate to the line that reads “Yes – Install yourzipfile.zip” and press the home button to select that option.

You will now see it do its thing. When complete you will see something along the lines of “install zip from sdcard complete” at the bottom of the screen.

Press the back arrow over and over again until you get to the Clockwork’s main menu.

Step 10.

Here is where we prepare the system to run the new ROM.

Navigate down to “mounts and storage”, select it, and mount “/system” and “/data” again as in steps 7 and 8.

Back up to Clockwork’s main menu.

Navigate to “wipe data/factory reset”, select it. Navigate down to “Yes – delete all user data”, and select it to wipe out user data and all the cache. (You need to do this for the new ROM to function correctly)

Now, navigate to the top option “reboot system now” and select it. Your tablet will now reboot. It may take up to 15 minutes to start up the first time as it rebuilds the user data and cache for this ROM.

If your tablet boots to UID errors, or has force closes (known to fix a few of them)…

Press and hold the power button to shut the device down. Boot back into Clockwork. Select the advanced option at the bottom, and then go to “Fix Permissions”. Afterwards, back out to the main menu, then select “reboot system now”. If that is unsuccessful then boot back into Clockwork and redo steps 7-10.