How i make my usb discoverable and show usb storage mass when i connect to computer

Wrong time zone and there should be a menu to change it to what ever you need like a computer.

Connect your tablet to the PC via the USB connection

After a few seconds, during which the two computers are negotiating the connection, a small USB icon will appear in the toolbar at the lower right, near the clock

Touch the toolbar clock and in the pop-up menu that will then show, touch the "Turn on USB storage" entry.

In the window that then opens, touch the "Turn On USB Storage" button that appears near the bottom of the frame

You now have files access to and from the PC, and can up and download files to eiher the micro USB card (if fitted) and/or the internal storage memory. [:o)

First, make sure that your computer is discoverable in network settings if you're using a PC. If you're using a MAC it should see it automatically and ask you if you would like to connect, just follow the prompts. In windows you have to add it to your network and you can do this by going to the Windows help and type "How do I connect a Wifi product to my network" and you should find step by step in structions on how to do this.

Reload the original system files

1.) Download the "system.zip" file and unzip (using a program such as WinZip, 7-Zip, WinRAR, etc.) the file.
2.) You will then need to connect the Tabeo tablet to your PC and then select the "Turn on USB storage" option on the screen once it comes up.
3.) After the file has been unzipped it will need to be transferred to the main folder, or "root directory" of the Tabeo tablet. Please ensure that you do not place the "system" folder in any of the folders already in the "root directory".
4.) You will now need to have to go into Settings application (located under the apps list from the top right corner) and go down to "About tablet" and select Start Wizard. Then turn the unit off and on again.

1.) Download the "system.zip" file and unzip (using a program such as WinZip, 7-Zip, WinRAR, etc.) the file.
2.) You will then need to connect the Tabeo tablet to your PC and then select the "Turn on USB storage" option on the screen once it comes up.
3.) After the file has been unzipped it will need to be transferred to the main folder, or "root directory" of the Tabeo tablet. Please ensure that you do not place the "system" folder in any of the folders already in the "root directory".
4.) You will now need to have to go into Settings application (located under the apps list from the top right corner) and go down to "About tablet" and select Start Wizard. Then turn the unit off and on again.

Unplugging it should disable this on the tablet. Also a quick fix would be to reboot the tablet.

You can connect you Archos to you computer by the USB cable which have came along with the tablet.
From tablet you need to choose mass storage device when you connect the cable. Once Mass storage activated you will see your tablet or SD card on your computer. You can copy paste or drag and drop songs from your computer folder to archos tablet Music or Media folder.
Or
You can use various Sync application from Android Market. Below given link is to list of applications available on Market. Please read description before you purchase or install any application.
https://market.android.com/search?q=itune&so=1&c=apps

I highly recommend installing DoubleTwist after you follow the instructions below. The DoubleTwist program lets you do media sync to any android device, it's slick and simple.
Connect your tablet to the computer using the included USB cable (small end to tablet, normal sized USB end to PC)
A USB icon will appear in your notifications bar at the top of your tablet's screen, drag the bar down to open the notification.
From here you'll choose to mount the storage drive (either internal or an external card if you have an SD card installed).
Once that's done your tablet should appear as a "Mass Storage Drive" or another hard drive on your PC. From here you can drag and drop files into it, or use DoubleTwist to do that automatically.

Just use the provided USB cable and connect the tablet to PC. Windows will recognize it as another drive (USB Mass Storage similar as USB HDDs and USB sticks). Copy the APK file anywhere (for example to Downloads folder. Then unplug from PC and run the Files application on Archos. Browse to the directory and clicking on the APK filewill start installation process.