Page 5 - Contents; iii
Contents Chapter 1. About this manual . . . . . 1 Important Safety Information . . . . . . . . . 1 Strategy for replacing FRUs for CTO, CMV, and GAV products . . . . . . . . . . . . . . . . 2 Product definition . . . . . . . . . . . 2 FRU Identification for CTO, CMV, and GAV products . . . . . . . ....
Page 6 - iv
Removing and replacing the diskette drive . . . 133 Removing and replacing the fan assembly . . . . 134 Replacing the cover and connecting the cables . . 135 Chapter 10. Replacing FRUs (Types 8098, 8171, 8172, 8173, 8424, and 8425) . . . . . . . . . . . . . . . 137 Locating controls and connectors o...
Page 7 - Important
Chapter 1. About this manual This manual contains service and reference information for ThinkCentre ® computers listed on the cover. It is intended only for trained servicers who are familiar with Lenovo ® computer products. Before servicing a Lenovo product, be sure to read the Safety Information. ...
Page 11 - General
Chapter 2. Safety information This chapter contains the safety information that you need to be familiar with before servicing a computer. General safety Follow these rules to ensure general safety: v Observe good housekeeping in the area of the machines during and after maintenance. v When lifting a...
Page 15 - To
Safety notices (multi-lingual translations) The caution and danger safety notices in this section are provided in the following languages: v English v Arabic v Brazilian/Portuguese v Chinese (simplified) v Chinese (traditional) v French v German v Hebrew v Italian v Korean v Spanish DANGER Electrica...
Page 16 - Do
CAUTION: When replacing the lithium battery, use only Part Number 33F8354 or an equivalent type battery recommended by the manufacturer. If your system has a module containing a lithium battery, replace it only with the same module type made by the same manufacturer. The battery contains lithium and...
Page 21 - PERIGO; Para
PERIGO A corrente elétrica proveniente de cabos de alimentação, de telefone e de comunicações é perigosa. Para evitar risco de choque elétrico: v Não conecte nem desconecte nenhum cabo ou execute instalação, manutenção ou reconfiguração deste produto durante uma tempestade com raios. v Conecte todos...
Page 29 - DANGER; Connexion
DANGER Le courant électrique provenant de l’alimentation, du téléphone et des câbles de transmission peut présenter un danger. Pour éviter tout risque de choc électrique : v Ne manipulez aucun câble et n’effectuez aucune opération d’installation, d’entretien ou de reconfiguration de ce produit au co...
Page 30 - pas
ATTENTION: Remplacer la pile au lithium usagée par une pile de référence identique exclusivement, (référence 33F8354), ou suivre les instructions du fabricant qui en définit les équivalences. Si votre système est doté d’un module contenant une pile au lithium, vous devez le remplacer uniquement par ...
Page 48 - This
Types 8095, 8096, 8141, 8142, 8145, 8420, and 8421 This section lists the physical specifications. Dimensions Height: 146 mm (5.7 in.) Width: 442 mm (17.4 in.) Depth: 401 mm (15.8 in.) Weight Minimum configuration as shipped: 11 kg (24 lb) Maximum configuration: 14 kg (31 lb) Environment Air tempera...
Page 51 - Attention; Start; did
Chapter 4. General Checkout Attention The drives in the computer you are servicing might have been rearranged or the drive startup sequence changed. Be extremely careful during write operations such as copying, saving, or formatting. Data or programs can be overwritten if you select an incorrect dri...
Page 55 - Passed
Chapter 5. Diagnostics using PC-Doctor for DOS Diagnostics are provided by the PC-Doctor program for DOS. These include a full range of diagnostic utilities to determine the operating condition of the computer ’s hardware components. You can the run diagnostics from the Rescue and Recovery ™ workspa...
Page 60 - Enter; Viewing
The Full Erase Hard Drive provides a DOS utility that performs the following: v Performs all the steps in Quick Erase. v Provides a DOS utility that writes random data to all sectors of the hard drive. v Provides an estimate of time to completion along with a visual representation of completion stat...
Page 65 - Notes
Chapter 7. Symptom-to-FRU Index The Symptom-to-FRU index lists error symptoms and possible causes. The most likely cause is listed first. Always begin with Chapter 4, “General Checkout,” on page 45. This index can also be used to help you decide which FRUs to have available when servicing a computer...
Page 90 - symptoms
No-beep symptoms Symptom/Error FRU/Action No beep during POST but computer works correctly. System board No beep during POST. 1. See “Undetermined problems” on page 90. 2. System Board 3. Memory Module 4. Any Adapter or Device 5. Riser Card 6. Power Cord 7. Power Supply 84 Hardware Maintenance Manua...
Page 91 - POST
POST error codes Each time you power-on the system, it performs a series of tests that check the operation of the system and some options. This series of tests is called the Power-On Self-Test , or POST . POST does the following operations. v Checks some basic system-board operations v Checks the me...
Page 96 - Keyboard; Undetermined
Message/Symptom FRU/Action Some or all keys on the keyboard do not work 1. Keyboard 2. Keyboard Cable 3. System Board Undetermined problems Check the power supply voltages (see “Power Supply Errors” on page 59). If the voltages are correct, return here and continue with the following steps. 1. Power...
Page 104 - Removing
* X XXX X XX XX* * X XXX X XX XX* 6. Rotate the drive bay assembly back to the normal position. 7. To complete the installation, go to “Closing the cover and connecting cables” on page 113. Removing and replacing the battery 1. Open the cover. See “Removing the cover” on page 92. 2. Rotate the drive...
Page 167 - Machine; Item
Chapter 11. FRU lists This section lists field replaceable units (FRUs) for all machine types. Note: A CRU (Customer Replaceable Unit) is identified by a single asterisk (*) or two asterisks (**) in the CRU ID column. An N in the CRU ID Column means that the part is not a CRU. A single asterisk (*) ...
Page 344 - Value
1. Click Start from the desktop, then Programs . 2. Select SystemView Agent 3. Select the Serial Number Information icon 4. Click the plus sign to expand. 5. Select the component you want to view or edit. 6. Double click on the component you want to change. 7. Enter new data in the Value field, then...
Page 345 - Back; Recovering
5. On the Flash BIOS Update page, scroll down to locate the .txt file for the flash from the operating system version. Click the .txt file. 6. Print these instructions. This is very important because these instructions are not on the screen after the download begins. 7. From the browser, click Back ...
Page 349 - Notices
Appendix. Notices Lenovo may not offer the products, services, or features discussed in this document in all countries. Consult your local Lenovo representative for information on the products and services currently available in your area. Any reference to a Lenovo product, program, or service is no...