This document pertains only to HP ProBook 4446s Notebook PC with the following case design:

note:Part numbers are subject to change.
Description
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Part Number
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Requires Return
|
Service cover
|
685400-001 (Modified)
|
Yes
|
note:For customers in countries/regions with RoHS legislation* (e.g. EU, China, etc.) restricting the use of hazardous substances in electrical equipment. The use of the Original Spare part is regulated by RoHS legislation. If your unit contains a part that is labeled with the Modified Spare number, the Modified Spare must be ordered as the replacement part. If your unit contains a part that is labeled with the Original Spare number, please order the Original Spare as the replacement part. In this case either the Original Spare or the Modified Spare may be shipped which will not affect performance or functionality of the unit.
caution:Failure to comply with the precautions could result in damage to the product or loss of data.
note:The following video depicts a specific configuration of the notebook. The same removal and replacement procedures apply to all configurations of the notebook.
Step
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Procedure
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Instruction
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1
|
Remove the battery.
| |
2
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Slide the service door release latch (identified with a service door icon) into the release position to partially eject the service cover.
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3
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Slide the service door towards the front of the notebook.
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4
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Lift the service door and remove.
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Step
|
Procedure
|
Instruction
|
1
|
Align and place the service door into position on the base enclosure.
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2
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Slide the service door toward the rear of the notebook until it is properly seated and the service door release latch clicks.
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3
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Slide the service door release latch (identified with a service door icon) into the locked position.
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4
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Replace the battery.
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