Watch strap is old and worn.
Replace the factory strap with a new strap.
The Asus ZenWatch uses a 22mm strap. You can replace with either the factory replacement or a generic strap of your choice. A tutorial is available to show you how to do this here.
Screen won’t turn on.
No matter what I do I can’t get the screen to come on.
Device not fully charged.
You plug the cord into the black plastic charging cradle and seat the watch into it.
Device screen frozen.
The smartwatch has on physical button that when held will rest.
LCD is damaged.
A replacement LCD may be required.
Watch stopped responding.
The watch is slow on bootup or is completely frozen.
A factory reset may be needed.
Make sure the watch is off. Power on by holding the On/Off button. Make a diagonal gesture top right → lower- left while in boot screen
(The watch will reboot, and you’ll see an image of an Android robot with a red exclamation mark)
Tap the screen to open recovery options. Swipe down to wipe data/factory reset and swipe left for this selection. Swipe down to confirm Yes- delete all user data and swipe left to select.
(Your device will reset to factory settings)
Watch won’t pair or stay connected.
Cannot get watch to pair to my device or keeps disconnecting.
Try these steps to reconnect watch.
Make sure if using android OS that it is 4.3 or newer. Turn off Bluetooth, then back on. Un-pair then re-pair device. Uninstall and then reinstall the Android Wear app on your phone.
My watch randomly opens an app or comes to life.
Touch screen might be dirty.
Clean watch face with soft cloth. Make sure no water is on screen or moisture present within device. A bag of rice may remove the moisture if it is present.
Short Battery Life.
Battery life doesn’t last as long as it ought to.
Tips to improve battery life of the ZenWatch.
Lower brightness level in settings. Turn "Screen Always On" Off. Shut off apps running in the background. These simple tricks can help lengthen battery life
Device’s Battery Drains.
Wait until the battery depletes itself fully and then fully recharge the watch.
Once the watch has a full battery, turn it on.
Battery life doesn’t improve with the above steps.
Probably time to replace the battery.
You can follow the tutorial here.
Vibration mode on watch won't work.
I no longer get a vibration in any notification.
Quickest possible fix.
Reboot the watch. Uninstall and reinstall AndroidWear.
If the previous repair options do not correct the issue then the actual vibrator motor may be defective. Replacement of the motor will correct the issue then. A tutorial for that is here.
I have acquired a previously used ZenWatch.
Factory reset your ZenWatch.
Select factory reset from the settings menu.
The watch is plugged in but not charging.
Reconnect the charging cable.
Make sure the wall outlet has power. Restart the device. A repair for the charging cradle may be necessary. The tutorial for that is here.
If these steps don’t correct the issue then replacing the battery with the tutorial here.