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RedBeam Knowledge Base

Motorola/Symbol MC9090 Device Reset Instructions

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Windows CE 5.0 Devices

There are two reset functions, warm boot and cold boot. A warm boot restarts the mobile computer by closing all running programs. A cold boot also restarts the mobile computer, but erases all stored records and entries in RAM. Data saved in flash memory or a memory card is not lost. In addition it returns preferences and other settings to the factory default settings. Perform a warm boot first. This restarts the mobile computer and saves all stored records and entries. If the mobile computer still does not respond, perform a cold boot.

NOTE: Imager decoding usually occurs instantaneously. The mobile computer repeats the steps required to take a digital picture (image) of a poor or difficult bar code, as long as the trigger remains pulled.

NOTE: Scanning procedures depend on the application and mobile computer configuration. An application may use different scanning procedures from the one listed above.

Scan LED Indicators:
LED Status Indication
Off: Not scanning.
Solid Red: Laser enabled, scanning/imaging in process.
Solid Green: Successful decode.

Performing a Warm Boot

Hold down the Power button for approximately five seconds. As soon as the mobile computer starts to perform a warm boot release the Power button.

Performing a Cold Boot

A cold boot restarts the mobile computer and erases all user stored records and entries that are not saved in flash memory (Application and Platform folders) or a memory card.

NOTE: Never perform a cold boot unless a warm boot does not solve the problem

1. Press the primary battery release on the mobile computer to partially eject the battery from the mobile computer.
2. While the battery is partially released, simultaneously press and release the handle trigger and the Power button.
3. Push the battery to fully re-insert it in the mobile computer. One audible click can be heard as the battery is fully inserted.
4. The mobile computer initializes.
5. Calibrate the screen.


Windows Mobile 5.0 Devices

There are two reset functions, warm boot and cold boot. A warm boot restarts the mobile computer and closes all running programs. A cold boot also restarts the mobile computer and closes all running programs but also resets the Real-Time-Clock (RTC). Data saved in flash memory or a memory card is not lost. Perform a warm boot first. This restarts the mobile computer and saves all stored records and entries. If the mobile computer still does not respond, perform a cold boot.


Performing a Warm Boot

Hold down the Power button for approximately five seconds. As soon as the mobile computer starts to perform a warm boot release the Power button.




Performing a Cold Boot

A cold boot restarts the mobile computer. The operating system and all applications are restarted. File storage is preserved. The Real-Time-Clock (RTC) resets.

NOTE: Only perform a cold boot if a warm boot does not solve the problem.

CAUTION: Do not hold down any key, other than the Power button during a reset. Performing a cold boot restores formats, preferences and other settings to the default settings.

NOTE: Any data previously synchronized with a computer can be restored during the next ActiveSync operation.

1. Press the primary battery release on the mobile computer to partially eject the battery from the mobile computer.
2. On an MC9090-G, while the battery is partially released, simultaneously press and release the trigger and the Power button.
3. On an MC-909X-K or MC909X-S, while the battery is partially released, simultaneously press and release the left scan button and the Power button.
4. Push the battery to fully re-insert it in the mobile computer. One audible click can be heard as the battery is fully inserted.
5. The mobile computer initializes.







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