HP 255 G2 Disassembly Guide

crwdns2936071:01crwdne2936071:0 — Remove the battery

Lay the laptop closed face down on a soft surface to avoid scratching the flap.

crwdns2936071:02crwdne2936071:0 — Remove RAM/WLAN cover

In the first picture you can see the RAM/WLAN cover.

crwdns2936071:03crwdne2936071:0 — Remove old RAM

The laptop should now look like this. If you only want to change the RAM stick, follow the steps below. If you want to change the hard drive, go to step 6.

crwdns2936071:04crwdne2936071:0 — Insert new RAM

Position the new RAM bar at a 45° angle and carefully slide it into the socket.

crwdns2936071:05crwdne2936071:0 — Change WiFi card

If you want or have to, you can also change the WLAN card.

crwdns2936071:06crwdne2936071:0 — Remove case screws and ZIF connections

To get to the hard drive, you have to loosen all case screws and detach the two case halves (bottom and keyboard) from each other.

crwdns2936071:07crwdne2936071:0 — Separate the case halves

Turn the laptop over and open it.

crwdns2936071:08crwdne2936071:0 — Separating the case halves...the hardest part

If you've easily separated the case halves on the front and sides, you've done most of the work.

crwdns2936071:09crwdne2936071:0 — Uncover hard drive

If you've successfully separated the halves, you've passed the hardest part.

crwdns2936071:010crwdne2936071:0 — Remove the Hard Drive

Use the PH0 screwdriver to loosen the three screws that anchor the hard drive frame to the case.

crwdns2936071:011crwdne2936071:0 — Insert a new hard disk into the caddy

On both sides of the hard drive bracket you will find black screws that hold the hard drive in place.