docs/install/x200_external.md

@@ -108,14 +108,13 @@ completely, since the flash chip is on the other side of the board).
 Remove these screws:\
 ![](images/x200/disassembly/0003.jpg)
 
-Gently push the keyboard towards the screen, then lift it off, and optionally
-disconnect it from the board:\
+Push the keyboard forward, gently, then lift it off and disconnect it
+from the board:\
 ![](images/x200/disassembly/0004.jpg)
 ![](images/x200/disassembly/0005.jpg)
 
-Disconnect the cable of the fingerpring reader, and then pull up the palm rest,
-lifting up the left and right side of it:\
-![](images/x200/disassembly/0006.1.jpg)
+Pull the palm rest off, lifting from the left and right side at the back
+of the palm rest:\
 ![](images/x200/disassembly/0006.jpg)
 
 Lift back the tape that covers a part of the flash chip, and then
@@ -128,10 +127,19 @@ to your PSU:\
 ![](images/x200/disassembly/0009.jpg)
 ![](images/x200/disassembly/0010.jpg)
 
-Connect the 3.3V DC supply from your PSU to the flash chip (via the clip):\
+Connect the 3.3V supply from your PSU to the flash chip (via the clip):\
 ![](images/x200/disassembly/0011.jpg)
 ![](images/x200/disassembly/0012.jpg)
 
+Of course, make sure that your PSU is also plugged in and turn on:\
+![](images/x200/disassembly/0013.jpg)
+
+This tutorial tells you to use an ATX PSU, for the 3.3V DC supply. The
+PSU used when taking these photos is actually not an ATX PSU, but a PSU
+that is designed specifically for providing 3.3V DC (an ATX PSU will
+also work):\
+![](images/x200/disassembly/0014.jpg)
+
 Now, you should be ready to install libreboot.
 
 Flashrom binaries for ARM (tested on a BBB) are distributed in