We offer the following replacement laptop keys for your Lenovo Thinkpad T540

Escape key, F1 key, F2 key, F3 key, F4 key, F5 key, F6 key, F7 key, F8 key, F9 key, F10 key, F11 key, F12 key, Home key, End key, Insert key, Delete key, Calc key, Lock key, Search key, File Explore key, ~` (tilda) key, 1 key, 2 key, 3 key, 4 key, 5 key, 6 key, 7 key, 8 key, 9 key, 0 (zero) key, minus/underscore key, plus/equals key, Backspace key, Num Lock key, Forward Slash (number pad) key, Asterisk (number pad) key, Minus (number pad) key, Tab key, Q key, W key, E key, R key, T key, Y key, U key, I key, O key, P key, [{ key, ]} key, backslash/pipeline key, 7 (number pad) key, 8 (number pad) key, 9 (number pad) key, Caps Lock key, A key, S key, D key, F key, G key, H key, J key, K key, L key, ;: (colon/semicolon) key, apostrophe/quotations key, Enter (main keyboard) key, 4 (number pad) key, 5 (number pad) key, 6 (number pad) key, Left Shift key, Z key, X key, C key, V key, B key, N key, M key, , < (comma/less than) key, . > (period/greater than) key, / ? (forward slash/question mark) key, Right Shift key, 1 (number pad) key, 2 (number pad) key, 3 (number pad) key, Fn key, Left Ctrl key, Windows Logo (start menu) key, Left Alt key, Space Bar key, Right Alt key, PrtSc key, Right Ctrl key, Page Up key, Page Down key, Up Arrow key, Down Arrow key, Left Arrow key, Right Arrow key, Zero/Ins (number pad) key, Del/Period (number pad) key, Plus (number pad) key, Enter (number pad) key, Mouse Nub Cover key