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COMPAQ ADVISORY: Upon powering the iPAQ Pocket PC, the backlight may fail to illuminate - UPDATE
Posted by Arne Hess - on Wednesday, 10.04.02 - 21:08:00 CET under 02 - Windows Mobile News - Viewed 8872x
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When applying power to the iPAQ H3800 Series Pocket PC, the backlight may fail to illuminate. Holding down the power button to engage the backlight may not provide resolution.

This issue is typically experienced after the unit has been off for several hours. The backlight may function correctly after a normal reset or an adjustment to the backlight settings, but may fail again if the unit is powered off for some time.

iPAQ H3800 Series Pocket PC, models: H3835 & H3850
Serial Number 4G22DW33Fxxx and earlier

iPAQ H3800 Series Pocket PC, models: H3870 & H3875 (Bluetooth)
Serial Number: 4G22DW34Fxxx and earlier

Click the Serial Number check link to check serial numbers against the issue described in this advisory. You can enter (or paste from a spread sheet) multiple serial numbers for verification at one time.
My H3870 is affected

Customers with units in the affected serial number range that experience this issue should contact Compaq to have the unit serviced through their normal warranty process:

Thanks to Ed Hansberry for the information!

UPDATE: Compaq provided new information. So the serial number check isn't available on the given site anymore and also the solution is a new one. Compaq doesn't recommends to send in the iPAQ anymore but the problem could maybe resolved with a softpack:

Compaq Engineering is working to resolve this issue.

Compaq will update this Customer Advisory when a resolution has been determined to advise you when it is appropriate to submit your iPAQ Pocket PC for a service event.

Note: It is not recommended that your iPAQ Pocket PC be submitted for a service event until a solution is determined and this Customer Advisory is updated. Thank you for your patience and understanding while we work to determine a resolution.

Thanks to Marc Zimmermann for the update information.

Related Links : [More Information]