is this windows or linux?
either way, i try on windows and i get
"adb is not recognized as an internal or external command."
I was a little confused too in the beginning. But adb is, like the output said, not a Windows command.
You should go to the following URL and download Android SDK:
http://developer.android.com/sdk/index.html
Then install the .exe.
Once the Android SDK program has started, it'll (down)load and show you all the Android versions and tools.
Make sure you have only selected the checkboxes "Android SDK Platform Tools" and "Google USB driver". Now click on the right bottom button labeled: "Install packages".
Select the radio button: "Accept All" and click "Install".
Now, start cmd (Click start and type cmd and press enter or press the Windows flag + R on your keyboard and type cmd).
A black window will open.
Type (for 64 bit computers, if you don't know what 64 bit is, just try it. If you see an error stating it cannot find the directory, type the quoted command below 32 bit):
cd "C:\Program Files (x86)\Android\android-sdk\platform-tools"
32 bit:
cd "C:\Program Files\Android\android-sdk\platform-tools"
Before you continue, install the OEM USB driver:
http://developer.android.com/tools/extras/oem-usb.html
(Click with the right mouse button on Computer, click Manage. Go to Device Manager. Right click Acer A700, click update driver software.
Choose "Browe my computer for driver software". Choose "Let me pick from a list".
Click all devices or/and Have disk..
Go to C:\Program Files (x86)\Android\android-sdk\extras\google\usb_driver\ and click the file under the 2 folders (android_winusb.inf)
Click on the
first one and install.)
Now follow the instructions as in the first topic, only a little bit different:
In the android-sdk go to the "platform-tools" folder.
Then launch a terminal and type:
-> Device is rebooting
Before you continue, install the OEM USB drivers again, only this time on the Fastboot device:
http://developer.android.com/tools/extras/oem-usb.html
(Click with the right mouse button on Computer, click Manage. Go to Device Manager. Right click Fastboot, click update driver software.
Choose "Browe my computer for driver software". Choose "Let me pick from a list".
Click all devices or/and Have disk..
Go to C:\Program Files (x86)\Android\android-sdk\extras\google\usb_driver\ and click the file under the 2 folders
Click on the second one and install.)
type:
now press the + Volume button to select Unlock then - Volume Button to confirm.
restart:
(not fastboot reboot-bootloader)
Your bootloader is now unlocked.