User manual IBM THINKPAD I 1700

[. . . ] i Before using this information and the product it supports, be sure to read the general information under "Read This First" on page 19. First Edition (November 1999) The following paragraph does not apply to the United Kingdom or any country where such provisions are inconsistent with local law: INTERNATIONAL BUSINESS MACHINES CORPORATION PROVIDES THIS PUBLICATION "AS IS" WITHOUT ANY WARRANTY OF ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE LIMITED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Some states do not allow disclaimers or express or implied warranties in certain transactions; therefore, this statement may not apply to you. This publication could include technical inaccuracies or typographical errors. Changes are periodically made to the information herein; these changes will be incorporated in new editions of the publication. [. . . ] Other symptoms (such as LCD display problems). Symptoms cannot be recreated (intermittent problems). Go to "Power System Checkout" on page 32, then use table in "Power-Related Symptoms" on page 43. "Symptom-to-FRU Index" on page 38, then use table in "No Beep Symptoms" on page 41. "Symptom-to-FRU Index" on page 38. "Symptom-to-FRU Index" on page 38, then use table in "Numeric Error Codes" on page 39. "Running the Diagnostics" on page 48. "Symptom-to-FRU Index" on page 38. Use the customer-reported symptoms, and go to "Symptom-to-FRU Index" on page 38. 26 ThinkPad 390X / i 1700 HMM Audio Checkout Do as follows: 1. (See "PC-Doctor DOS System Diagnostics" on page 48 for details. ) 2. If no sound is played, replace the speaker or the system board. If no music is played, replace the speaker or the system board. Diskette Drive Checkout Do the following to isolate the problem to a controller, drive, or diskette. A scratch, write-enabled, non-defective, high-density (2HD) diskette is required. CAUTION: Make sure that the diskette does not have more than one label attached to it. Multiple labels can cause damage to the drive or can cause the drive to fail. Do the following to select the test device. See "Running the Diagnostics" on page 48 for details. (See "PC-Doctor DOS System Diagnostics" on page 48 for details. ) 2. Follow the instructions in the message window. If an error occurs with the internal diskette drive, reseat the connector on the system board. Replace the system board. ThinkPad 390X / i 1700 HMM 27 CD-ROM Checkout Do the following to isolate the problem to a controller, drive, or CD-ROM. Make sure that the CD-ROM disc does not have any label attached to it. [. . . ] Carefully remove the VR board from the display panel. ThinkPad 390X / i 1700 HMM 95 Microphone 14. 1" "Battery" on page 61 "Hard Disk Drive" on page 62 "Combo Bay" on page 63 "Keyboard" on page 70 "LCD Bezel 14. 1"" on page 93 "Speaker 14. 1"" on page 94 "VR Board 14. 1"" on page 95 To remove the microphone: 1. Disconnect the power cable from the microphone. Lift the LCD away from the display panel. 96 ThinkPad 390X / i 1700 HMM LCD Panel 14. 1" "Battery" on page 61 "Hard Disk Drive" on page 62 "Combo Bay" on page 63 "Keyboard" on page 70 "LCD Bezel 14. 1"" on page 93 "Speaker 14. 1"" on page 94 "VR Board 14. 1"" on page 95 "Microphone 14. 1"" on page 96 Remove the screw covers and screws. Step Size (Quantity) M2 x 4L (2) Head & Color Flat head, silver Torque 1. 6 kgf-cm Note: Make sure you use the correct screw for replacement. ThinkPad 390X / i 1700 HMM 97 LCD Inverter 14. 1" "Battery" on page 61 "Hard Disk Drive" on page 62 "Combo Bay" on page 63 "Keyboard" on page 70 "LCD Bezel 14. 1"" on page 93 "Speaker 14. 1"" on page 94 "VR Board 14. 1"" on page 95 "Microphone 14. 1"" on page 96 "LCD Panel 14. 1"" on page 97 Note: See "Setting the LCD Panel ID" on page 46. Disconnect the cable from the inverter board. [. . . ]