My ipod touch screen doesnt unlock after i entered my password

Try to Restart iPod touch by until Sleep/Wake button until a red slider appears.Next, turn iPod touch on. If iPod touch not responding reset iPod touch, press and hold the Sleep/Wake button and the Home button with same time least 10 seconds, until the Apple logo appears.
If still screen not appear than Recharge iPod touch or try To restore your iPod touch, first make sure you are using the latest version of iTunes(by http://support.apple.com/kb/HT1414). If still not able to solve than take some help with Apple Support Number .

When your iPod Touch displays a message telling you to connect it to iTunes, it may be in recovery mode, or have been disconnected in the middle of an update.
To get rid of the screen, you must reset your device. If in passcode mode, an iPod Touch must be manually unlocked or fully restored to get back to the home screen.Forcing a Reboot
When your iPod Touch is stuck on a screen that is instructing you to connect with iTunes, a normal restart will probably not work, as the hard drive has become frozen.
You can still, however force the iPod to reboot using a process called resetting.
To reset an iPod Touch, hold down the "Sleep/Wake" and "Home" buttons at the same time until an Apple logo appears, indicating that the device is rebooting.
When an iPod Touch reboots, it always goes back to the lock screen. Passcode mode will still be enabled.

Unlocking With the Passcode
If you know the passcode for your iPod Touch, slide the "Slide to Unlock" arrow and then enter your code on the next screen.
Upon entering your password, you will be directed to the device's home screen. If you enter the wrong password too many times, it will become disabled temporarily.
The iPod Touch can also be set to erase all content after 10 incorrect passcode attempts if you previously enabled this feature, don't attempt more than 9 entries.


Unlocking Without Passcode If you have forgotten the passcode to your iPod Touch, the only way to unlock the device is by restoring it.
Restoring an iPod Touch returns it to the factory settings, meaning that any settings, applications or music you added to the iPod are removed.
Once the device is restored, you can re-add your downloads and other information using the backup copies in your computer iTunes program.
The passcode setting will be disabled unless you manually enable it again.

Consideration

If you don't have a backup of your music and applications in iTunes on your computer, you can also download another copy from the iTunes Store or App Store on your device after a restore.
Any photos that are deleted during restore, however, will be lost forever if a backup does not exist.
Always back up your information via sync on a regular basis to avoid this problem.

Is it locked by a password? Or something more terrible occurred to it? To unlock screen password, you can enter your iPod touch into DFU mode:

1. Plug in your iPod touch and turn it off. Hold down the "Home" and "Sleep/Wake" buttons for about twelve seconds.
You'll briefly see the silver Apple logo and then your touch will appear to turn back off.
2. Release the "Sleep/Wake" button but continue to hold the "Home" button until you see a message in iTunes stating that it has detected an iPod in recovery mode.
More about unlocking iPod screen password.

Apple's iPod touch, a portable music player with a touchscreen display, is powered by a built-in rechargeable battery that provides up to 40 hours of audio playback and up to seven hours of video playback when fully charged. To conserve power, the iPod touch locks by default after a minute of not being used. If you want to use your iPod touch after it locks, you will need to unlock it. You might need to type a password, depending on how you've configured the device.

Press the "Home" button, located below the screen, or press the silver "Sleep/Wake" switch located at the top of the device. Swipe a finger across the "Slide to Unlock" slider on the screen. The iPod touch unlocks. Press the "Home" button or press the "Sleep/Wake" switch when you have enabled passcode protection on your iPod, then swipe a finger across the "Slide to Unlock" slider on the screen. The "Enter a Passcode" message appears. Type in your passcode, and then tap "OK." The iPod touch unlocks. Forgot Your Password b> Connect the iPod Touch to your computer using the USB cable. Wait for iTunes to open and sync with your computer. Eject your iPod Touch from the computer by clicking the "Eject" icon beside the iPod's entry in the "Devices" section of iTunes. Disconnect your iPod Touch from the USB cable. Your iPod Touch will be turned on and will be unlocked. Tap the "General" menu on the iPod Touch. Tap "Passcode Lock," and then tap either "Turn Passcode Off" or "Change Passcode." If you tap "Change Passcode," you can then enter a new passcode.

Step 1:
The iPod Touch is a type of iPod that features a touch screen and can function as both a portable media player and as a pocket computer. It is possible to password protect your iPod Touch so that you will have to enter a password every time you want to unlock the iPod Touch screen. If you repeatedly enter the incorrect passcode, your iPod Touch will become disabled. To unlock a disabled iPod Touch, you need to sync your iPod Touch device with iTunes on your computer.

Attach the iPod Touch data cable to the bottom of your iPod Touch device and attach the other end of the data cable to an available USB port on your computer. Open iTunes on your computer and then select your iPod Touch device from the list of available devices on the left side of the iTouch window. Click the "Restore" button. If you have previously backed up your iPod Touch, you can choose to restore the device to the last back up or any saved backup. If you have never backed up your iPod Touch, this process will restore your iPod Touch's factory settings. Wait while iTunes syncs with your iPod Touch and restores the device. iTunes will prompt you when this process is complete.

I'm sure you have forgotten your iPhone password so that need to unlock iPhone. It's a common situation. You can solve this problem by means of iTunes or iCloud. Just follow below steps.

-Use iCloud

• (1). Open and log in iCloud on your laptop or PC that is connected with the iPod touch.
• (2). Click Find My iPod and let it start to search and connect with your iPod touch APP.
• (3). When iCloud is connected to the iOS device, its position will be fixed and shown on the map, then click the option at the upper right of Clear iPod and follow the next indication.

-Use recovery mode

• (1). If iTunes prompts you to enter the password, and you cannot remember it, try to use the recovery mode to unlock iPod touch without password. Given that you are using recovery mode, you are not able to backup before resetting device, which means that you are going to lose all the data on the iPod touch.
• (2). Close iPod device completely. Hold Power button and slide the Power Slider to close iPod touch.
• (3). Connect your iPod touch to the computer and use iTunes to enter into recovery mode.
• (4). Open iTunes and hold Power+Home buttons long before the logo of Apple appears. Then click Recovery Mode.
• (5). Click Set Up As New iPod Touch. Initialize the settings of your iPod touch and import the backup and restore the data.

For more methods, check: How to Unlock iPod Touch

Apple's iPod touch, a portable music player with a touchscreen display, is powered by a built-in rechargeable battery that provides up to 40 hours of audio playback and up to seven hours of video playback when fully charged. To conserve power, the iPod touch locks by default after a minute of not being used. If you want to use your iPod touch after it locks, you will need to unlock it. You might need to type a password, depending on how you've configured the device.

Press the "Home" button, located below the screen, or press the silver "Sleep/Wake" switch located at the top of the device. Swipe a finger across the "Slide to Unlock" slider on the screen. The iPod touch unlocks. Press the "Home" button or press the "Sleep/Wake" switch when you have enabled passcode protection on your iPod, then swipe a finger across the "Slide to Unlock" slider on the screen. The "Enter a Passcode" message appears. Type in your passcode, and then tap "OK." The iPod touch unlocks. Forgot Your Password b> Connect the iPod Touch to your computer using the USB cable. Wait for iTunes to open and sync with your computer. Eject your iPod Touch from the computer by clicking the "Eject" icon beside the iPod's entry in the "Devices" section of iTunes. Disconnect your iPod Touch from the USB cable. Your iPod Touch will be turned on and will be unlocked. Tap the "General" menu on the iPod Touch. Tap "Passcode Lock," and then tap either "Turn Passcode Off" or "Change Passcode." If you tap "Change Passcode," you can then enter a new passcode.
Hope it helps

You can unlock your IPOD Touch passcode or password by following these simple steps.

• Connect your IPOD Touch to iTunes
• Press or Hold the power and home keys 10 seconds.
  
• Screen goes black, now release the power button
• Make sure you do not release the Home key until your iTunes says "We have detected an itouch in recovery mode."
• After this its simple all you got to do is a simple restore using your iTunes