IBM THINKPAD 760C/CD (9546) - Manual (Page 142)

1025 Insulator Sheet
To access items under the keyboard other than the battery
pack, first raise the black insulator sheet as shown in the
figures.
To access the hard disk drive and DIMM slots, remove the
three screws and raise the middle section of the insulator
sheet, as shown in the figures.
The location of the screws is different according to the
model.
1
2
OR
130 IBM Mobile Systems - ThinkPad HMM Volume 3