Hardware Maintenance Manual
Page 60
... for use . Sudden physical shock could cause drive errors. 54 ThinkPad T420 and T420i Hardware Maintenance Manual Status indicators Indicator 1 Speaker mute Meaning Orange: The speaker is on , and the radio link is being transmitted. 4 Bluetooth wireless or Wireless USB status Green: The Bluetooth wireless feature is on, and the radio link is on . When...
... for use . Sudden physical shock could cause drive errors. 54 ThinkPad T420 and T420i Hardware Maintenance Manual Status indicators Indicator 1 Speaker mute Meaning Orange: The speaker is on , and the radio link is being transmitted. 4 Bluetooth wireless or Wireless USB status Green: The Bluetooth wireless feature is on, and the radio link is on . When...
Hardware Maintenance Manual
Page 160
Thermal grease 91P8835 - Table 9. ac power adapter (see "Keyboard" on page 164.) CRU ID N * N 154 ThinkPad T420 and T420i Hardware Maintenance Manual Parts list-Overall (continued) No. FRU (Overall) FRU no. PBx, PCx, PDx, PEx, PFx, PGx, PHx, PJx, PKx, PLx, PMx, PNx, PPx, ..., PWx, PXx, PYx, PZx, Q2x, Q3x, Q7x, Q8x, Q9x, QAx, QBx, QCx, QDx, QEx, QFx, QHx, QKx, QLx • 4237-CTO • 4238-CTO 28 Bluetooth daughter card (BDC-3.0) 60Y3271 • 4177-CTO, 23x, 24x, 25x, 26x, 27x, 29x, 2Bx, 2Cx, 2Dx, 2Ex, 2Fx, 2Gx, 2Hx, 60Y3275 2Kx, 2Lx, 2Mx, 2Nx...
Thermal grease 91P8835 - Table 9. ac power adapter (see "Keyboard" on page 164.) CRU ID N * N 154 ThinkPad T420 and T420i Hardware Maintenance Manual Parts list-Overall (continued) No. FRU (Overall) FRU no. PBx, PCx, PDx, PEx, PFx, PGx, PHx, PJx, PKx, PLx, PMx, PNx, PPx, ..., PWx, PXx, PYx, PZx, Q2x, Q3x, Q7x, Q8x, Q9x, QAx, QBx, QCx, QDx, QEx, QFx, QHx, QKx, QLx • 4237-CTO • 4238-CTO 28 Bluetooth daughter card (BDC-3.0) 60Y3271 • 4177-CTO, 23x, 24x, 25x, 26x, 27x, 29x, 2Bx, 2Cx, 2Dx, 2Ex, 2Fx, 2Gx, 2Hx, 60Y3275 2Kx, 2Lx, 2Mx, 2Nx...
(English) User Guide
Page 20
... the instructions in stereo speaker (left) 16 Bluetooth antenna 18 Touch pad buttons 20 CapsLock key indicator 22 Volume control buttons 1 Computer display The high-resolution, thin-film transistor (TFT) display provides clear and brilliant text and graphics. If you cannot turn on the computer. ThinkPad T420/T420i front view 1 Computer display 3 Fingerprint reader...
... the instructions in stereo speaker (left) 16 Bluetooth antenna 18 Touch pad buttons 20 CapsLock key indicator 22 Volume control buttons 1 Computer display The high-resolution, thin-film transistor (TFT) display provides clear and brilliant text and graphics. If you cannot turn on the computer. ThinkPad T420/T420i front view 1 Computer display 3 Fingerprint reader...
(Japanese) User Guide
Page 20
ThinkPad T420/T420i 前面 1 3 Fingerprint Reader 5 TrackPoint 7 9 11 ThinkLight 13 UltraConnect 15 17 19 Fn キー 21 2 4 TrackPoint ボタン 6 ThinkVantage ボタン 8 UltraConnect 10 12 14 16 Bluetooth 18 20 Caps Lock 22 1 71 2 ThinkPad ThinkPad 2 2 前面 図 1.
ThinkPad T420/T420i 前面 1 3 Fingerprint Reader 5 TrackPoint 7 9 11 ThinkLight 13 UltraConnect 15 17 19 Fn キー 21 2 4 TrackPoint ボタン 6 ThinkVantage ボタン 8 UltraConnect 10 12 14 16 Bluetooth 18 20 Caps Lock 22 1 71 2 ThinkPad ThinkPad 2 2 前面 図 1.