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Compaq Evo n400c Notebook PC - Removing and Replacing Hard Disk Drive

Introduction
This document is provided to assist in removing and replacing the hard disk drive for the Compaq Evo n400c Notebook PC.
Minimum skill level
The End User requires no hardware-specific training to replace the defective part. The End user should have familiarity with system hardware and software requiring repair.
Parts required
  note:
Part numbers are subject to change.
The replacement part number will vary depending on the hard disk drive that is being replaced. If a part is listed as "Yes" under "Requires Return" then the defective part needs to be returned to HP. Click here for more information on returning parts to HP.
Description
Part Number
Requires Return
40GB Hard drive (MultiBay)
265495-001 (Original)
Yes
30GB Hard Drive
304095-001 (Original)
Yes
30GB IDE hard disk drive - 4,200 RPM, 2.5-inch form factor, 9.5 mm thick
257660-001 (Original)
Yes
20GB ATA-4 IDE hard drive - 4,200 RPM, 2.75-inch form factor, 9.5 mm high
218371-001 (Original)
Yes
10GB ATA-5 IDE hard drive - 4,200 RPM, 2.75-inch form factor, 9.5 mm high
218370-001 (Original)
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 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.
Summary of instructions
To view a video demonstrating the procedure for removing the hard disk drive, click on the link below. Or use the product video listing on the HP Services Media Library (Click here to go to HP Service Media Library), then select Hard disk drive from the menu on the upper left hand side of the screen.
Click here to view the hard disk drive removal video (right-click on the link to open in a new window/tab).
Hard disk drive removal
  1. Review the safety considerations before performing the steps listed below by clicking on the following link:
      caution:
    Failure to comply with the precautions could result in damage to your product or loss of data.
  2. Remove the plastic spacer.
  3. Grasp the metal foil tab and pull to disengage the drive from the system board connector.
  4. Lift the drive to remove it.
  5. Store the drive in a static dissipative bag.
Hard disk drive replacement
  1. Remove the drive from the static dissipative bag.
  2. Lift all cables from under the keyboard to prevent them from being caught under the hard disk drive.
  3. Locate the alignment pins on each side of the drive and align them to the connector.
  4. Slide the drive to the right into the connector until it clicks into place.
  5. Insert the plastic spacer.

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