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I have recently bought a HP Envy 4 and wanted to upgrade the harddisk to a SSD and also upgrade the RAM from 4GB to 8GB. After removing all the obvious screws on the bottom of the laptop, the bottom cover still could not be removed. Any help on this would be much appreciated.

Hi I own a Envy 4 and it is much simpler than described above. You just have to remove the 12 bottom screws. Open up and you access everything. I choosed to keep the mechanical drive and replaced the 32gB msata readyboost drive with a 180 GB Intel 530 mSata drive. I also replaced the RAM with 2x8 GB RAM from Kingston. It took about 15 minutes to replace the hardware. Then I booted up from an external DVD-player with a Windows 7 DVD in it. In advanced mode I disabled all drives on HD 0. I then installed Windows on HD 1. Remember to have a backup on all your files before, since they will be lost otherwise. When that was done I partitioned HD 1 as one partition. I now have an Ultrabook with 180 GB C: and a 500GB D: and with 16 GB RAM. This really does it, its really superfast to work with. The Windows experience index on hdd is 7,9 and 7,3 on RAM. A tip also is to replace the WiFi card at the same time with an Intel Dual Band Wireless AC 7260. I´m about to do that since the network card in my model(1090eo) didnt have WiDi. I will at the same time get much faster network transactions.

kok leong Teo, here is what the manual says to do :“Before removing the hard drive or SSD, follow these steps:

  1. Shut down the computer. If you are unsure whether the computer is off or in Hibernation, turn the computer on, and then shut it down through the operating system.
  2. Disconnect all external devices connected to the computer.
  3. Disconnect the power from the computer by first unplugging the power cord from the AC outlet and then unplugging the AC adapter from the computer.
  4. Remove the display panel.
  5. Remove the base enclosure.
  6. Disconnect the battery cable. Remove the hard drive:
  7. Disconnect the hard drive cable from the system board, and then remove the 4 screws securing the hard drive to the top cover.
  8. Remove the hard drive.
  9. Remove the hard drive connector cable. Remove the 4 screws securing the hard drive bracket to the hard drive, and then remove the hard drive bracket.
  10. Remove the hard drive. Reverse these procedures to reassemble and install the hard drive. Download the service and maintenance manual from here. It will give you all the details. Hope this helps, good luck.

you can see a full disassembly http://www.myfixguide.com/manual/hp-envy…