Key buttons are not working after booting the device

This is a generic factory reset for most tablets:

1. Power off your Tablet.
2. Press and hold Volume up and Power button at the same time until you boot into the Android system recovery. ...
3. Choose Wipe data/Factory Reset with your volume keys and then press the power button to confirm.

Hi,

I searched, and the manual for this model is useless for this problem (the "factory reset" option is in one of the inside menus, which you won't be able to see.

I can't promise this will work, but in most Android devices that I've worked with, there is a two-button combo. With the device turned off, simultaneously press and hold the "volume-up" and the "On" buttons, which would turn it on and boot in basic mode, which in turns allows a hard factory reset in the options.

Best of luck,

Charlie.

try this

If You Can't Boot

If safe mode doesn't help fix your device, you can perform a hard reset by booting into a special recovery mode. First, ensure your device is fully shut down.
Press and hold the correct keys to boot the device into recovery mode. This will vary from device to device. Here are some examples:

• Nexus 7: Volume Up + Volume Down + Power
• Samsung Galaxy S3: Volume Up + Home + Power
• Motorola Droid X: Home + Power
• Devices With Camera Buttons: Volume Up + Camera

Similar devices will likely use similar key combinations. For example, the Nexus 4 also uses Volume Up + Volume Down + Power.
If your device isn't on this list and none of the above methods work, do a Google search for the name of your device and "recovery mode" - or look in the device's manual or support pages.
Release the buttons when the device powered on. You'll see an image of an Android lying on its back with its chest open and its internals revealed.

Press the Volume Up and Volume Down keys to scroll through the options until you seeRecovery mode on the screen.

Press the Power button to restart into recovery mode. You'll soon see an Android with a red triangle.

Hold down the Power button and tap Volume Up. You'll see the Android system recovery menu appear at the top of your screen.

Select wipe data / factory reset with the volume keys and tap the Power button to activate it.
Select Yes - erase all user data with the volume buttons and tap Power. Your device will be reset to its factory state and all your data will be erased.

If your device freezes at any point, hold down the Power button until it restarts.

If You Can Boot

You can reset your Android phone or tablet normally from its Settings screen. Tap the Backup & reset option on the latest versions of Android or tap Privacy if you're using Android 2.3.

Tap the Factory data reset option and to through the reset of the steps to confirm the factory reset.

If the factory reset process doesn't fix your problems - or doesn't work at all - it's likely that there's a problem with your device's hardware. If it's still under warranty, you should have it fixed or replaced.
(There's one exception to this: If you've been flashing custom ROMs and messing with your device's low-level software, it's possible that you could have overwritten the stock recovery software. In this case, it's possible that you have a software problem and not a hardware problem.)



goodluck sir

tested 100% working How to Factory Reset Your Android Phone or Tablet When It Won't Boot
Safe mode can help you troubleshoot your Android, but sometimes you'll need to wipe everything and restore your device to its factory state. You can even perform a factory reset when your Android phone or tablet won't boot normally.
Ensure you have any important data backed up before doing a reset. This includes your Google Authenticator credentials, which will be lost during the reset. Disable two-factor authentication on your accounts first or you'll experience some trouble afterwards.

If You Can't Boot

If safe mode doesn't help fix your device, you can perform a hard reset by booting into a special recovery mode. First, ensure your device is fully shut down.
Press and hold the correct keys to boot the device into recovery mode. This will vary from device to device. Here are some examples:

• Nexus 7: Volume Up + Volume Down + Power
• Samsung Galaxy S3: Volume Up + Home + Power
• Motorola Droid X: Home + Power
• Devices With Camera Buttons: Volume Up + Camera

Similar devices will likely use similar key combinations. For example, the Nexus 4 also uses Volume Up + Volume Down + Power.
If your device isn't on this list and none of the above methods work, do a Google search for the name of your device and "recovery mode" - or look in the device's manual or support pages.
Release the buttons when the device powered on. You'll see an image of an Android lying on its back with its chest open and its internals revealed.

Press the Volume Up and Volume Down keys to scroll through the options until you seeRecovery mode on the screen.

Press the Power button to restart into recovery mode. You'll soon see an Android with a red triangle.

Hold down the Power button and tap Volume Up. You'll see the Android system recovery menu appear at the top of your screen.

Select wipe data / factory reset with the volume keys and tap the Power button to activate it.
Select Yes - erase all user data with the volume buttons and tap Power. Your device will be reset to its factory state and all your data will be erased.

If your device freezes at any point, hold down the Power button until it restarts.

If You Can Boot

You can reset your Android phone or tablet normally from its Settings screen. Tap the Backup & reset option on the latest versions of Android or tap Privacy if you're using Android 2.3.

Tap the Factory data reset option and to through the reset of the steps to confirm the factory reset.

If the factory reset process doesn't fix your problems - or doesn't work at all - it's likely that there's a problem with your device's hardware. If it's still under warranty, you should have it fixed or replaced.
(There's one exception to this: If you've been flashing custom ROMs and messing with your device's low-level software, it's possible that you could have overwritten the stock recovery software. In this case, it's possible that you have a software problem and not a hardware problem.)


goodluck

Normally when you power on your Toshiba Satellite laptop it attempts to boot the operating system installed on its hard drive.
In some instances you may want to boot the Satellite laptop from a different device, such as an operating system installation CD or a USB drive.
The boot order doesn't have to permanently be set to the hard drive.
It's possible to access the boot order before the operating system loads and change which device is set to boot first.

Turn off the Toshiba Satellite laptop.
Turn it back on immediately and wait for the "press the F2 key to enter Setup" entry to show up on the screen.
Press the "F2" key to access the Toshiba Satellite's BIOS menu.
Use the right arrow key to navigate to the BIOS tab labeled "Boot."

Scroll down to the option labeled "Boot Priority" and tap Enter.
Check through the list of devices and locate the specific device you want to use to Boot your Toshiba laptop, such as "CD-ROM," "USB" or "LAN."

Highlight the name of the device in the list and then tap Enter to make it the top boot priority.
Use the right arrow key again to scroll over to the "Exit" BIOS menu.

Tap the down arrow key to highlight the "Save and Exit" option.
Press Enter to save the new boot order and restart your Toshiba Satellite laptop.

Repeat the procedure when you want to change the boot order back to its original setting.
How to boot your Toshiba PC from CD-ROM, LAN, or diskette
http://www.csd.toshiba.com/cgi-bin/tais/support/jsp/bulletin.jsp?soid=403623
Toshiba support
http://askiris.toshiba.com/ToshibaSupportSite/search.do?cmd=displayKC&docType=ex&bbid=bb42&url=&dialogID=111194172&stateId=1%200%20111190763

My suggestion would be to go into BIOS Setup, and in Boot Options; change the first boot device to CDROM.

Computer off. (Press the Power On button in for a count of 10 seconds, or until computer turns off)

AS SOON AS you press the Power On button, start tapping on the F10 key.
Tap in 2 second intervals.
If you hear beeps ignore them. They are Stuck Key Error Code beeps, and it is You that is doing it. (It's OK)

Takes a few seconds, then you should be looking at the Main menu, in BIOS Setup,

System Information
Standard CMOS Setup
Advanced BIOS Features
Advanced Chipset Features
Integrated Peripherals
Power Management Setup

PnP/PCI Configuration
PC Health Status
Load Optimized Defaults
Supervisor Password
Set User Password
Save and Exit Setup
Exit Without Saving

You CANNOT use your mouse anymore. You need to use the Keyboard.

Use the Down Arrow key, and highlight Advanced BIOS Features.
Press the Enter key.

First Boot Device
Second Boot Device
Third Boot Device
Fourth Boot Device

You want CDROM as the First Boot Device.
This FORCES the computer to boot off of a disk in the optical drive.
(CD/DVD drive)

So you will want Optical Drive as the first boot device.

BIOS Setup changes. There are different versions.
The manual is unclear, of how to move Optical Drive to the top of the list, or also can be said as move to First Boot Device.

Let's see if this method is used;
Use the Down Arrow key, and highlight -> First Boot Device
Now press the Enter key.

Use the Down Arrow to highlight Optical Drive.
Press the Enter key.
Now look at the navigation guide at the bottom. (Does NOT state navigation guide)

Use the appropriate keys to Change Value.
It should either be the + / - keys, or the Page Up/Page Down keys.

(If you can, I would use the Minus { - } key, and not use the Plus
{ + } key )

Tap the key until Optical Drive is at the top of the list, or across from First Boot Device.
Press the Enter key.

Now use the Up or Down Arrow key to highlight -> Save and Exit, and press the Enter key.

Don't have your Restoration Disk in the optical drive?
That's OK. Open the drive, put it in.
Now press the CTRL, ALT, and DELete keys AT THE SAME TIME.
This will restart the computer.

For additional questions please post in a Comment.
Regards,
joecoolvette

HP Support > Service Reference Guide > HP Compaq DX2200 MT Desktop PC,

http://bizsupport2.austin.hp.com/bc/docs/support/SupportManual/c00631987/c00631987.pdf

Go into the BIOS and change the boot startup device order. Make the CD the first boot device and the hard disk the second boot device.
If you do not wish to change the BIOS you may select the CD drive as an alternate boot device by pressing F10 or F!2 as the laptop boots up to bring up a list of devices to want to boot from, select the CD drive and the follow the screen prompt.

ESC (Escape) on the keyboard should be the Boot Menu key, means you have to tap the ESC key once you press the power button to switch on the Machine and select the boot device from the options available.

If ESC key doesn't work, then try F2 or F8 or F12 (these are all the boot menu keys for Asus motherboards and Laptops).

Let me know if you need further help, but with more details about your problem.

Good Luck.
Thanks.

To get into the BIOS configuration, try pressing the DEL key or the ESC key. Then got to the startup device or Boot up order. You can then change the boot order of the devices.

Shutdown the system and disconnect the power cable.Disconnect external peripherials.Hold the power button for 10 secs to drain static power.connect the power cable to the computer.turn on the computer and hit the F2 key to boot in bios.If you are in the bios turn on the caps lock,scroll lock, and numlock key.then Hold the Alt key + E, then Alt key + F, Alt key + B. Computer will restart check for hdd or boot device.If hdd is detected it should boot to desktop.If issue persist .Shut down the system.disconnect power cable.Hold power button for 10 secs.Open the tower and disconnect the hdd from the sata or ide cable.Connect hdd in a different sata or ide connector.Connect power cable and turn on the computer and follow steps 1.If still getting same error possible hdd gone bad.Good Luck.