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HP Compaq dc7800 Small Form Factor PC - Removing and Replacing the Power supply
This document pertains only to HP Compaq dc7800 Small Form Factor PCs with the following case design:
Before you begin
WARNING: The edges of metal panels can cut skin. Be careful not to slide skin along any interior metal edge of the computer.
CAUTION: This product contains components that can be damaged by electrostatic discharge (ESD). To reduce the chance of ESD damage, work over a noncarpeted floor, use a static dissipative work surface (such as a conductive foam pad), and wear an ESD wrist strap connected to a grounded surface.
Video overview (in English)
To view a video demonstrating the procedure for removing the power supply, right-click Power supply removal video and select Open link in new window/tab.
Replacement part information
The following HP part numbers are known to be compatible with this system:
NOTE: Part numbers are subject to change.
* If a part is listed as "Yes" under "Requires Return" then the defective part needs to be returned to HP. For more information about returning parts to HP select one of the links below:
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 labelled with the Modified Spare number, the Modified Spare must be ordered as the replacement part. If your unit contains a part that is labelled 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.
Power supply removal
CAUTION: Review the following safety considerations before performing the following steps. Failure to comply with these safety considerations could result in damage to the product.
Power supply replacement