Lenovo E40-30 Laptop Hardware Maintenance Manual - Lenovo E40-xx Notebook - Page 26

Important notice for replacing a system board, FRU identification, Attention, Warranty & Services

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Attention: The drive startup sequence in the computer you are servicing may have been changed. Be extremely careful during write operations such as copying, saving, or formatting. If you select an incorrect drive, data or programs can be overwritten. Important notice for replacing a system board Some components mounted on a system board are very sensitive. Improper handling of a system board can cause damage to those components, and may cause a system malfunction. Attention: When handling a system board: • Do not drop a system board or apply any excessive force to it. • Avoid rough handling of any kind. • Avoid bending a system board and hard pushing to prevent cracking at each ball-grid-array (BGA) chipset. FRU identification Use Lenovo eSupport to identify major FRUs, FRU part numbers, and FRU descriptions for a product at an MT - serial number level. Examples of major FRUs are hard disk drive, system board, liquid crystal display (LCD), and memory module. To identify the major FRUs for a product, do the following: 1. Go to: http://www.lenovo.com/support 2. Click Warranty & Services. 3. Click Check Warranty Status. 4. On the Warranty Status Lookup page, click Parts Lookup. 5. Type your machine type and serial number, and then click Submit. eSupport also can be used to view the general FRU list for a product. To get the general FRU list for a product, do the following: 1. Go to: http://www.lenovo.com/support 2. Click Parts. 3. Follow the instructions on the screen to select product. 4. Click Products and Parts Detail. 5. On the PRODUCT AND PARTS DETAIL page, click the Parts Detail tab to view the FRU list. Note: The FRU list is a general list of components and does not contain specific model information. 20 Hardware Maintenance Manual

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Attention:
The drive startup sequence in the computer you are servicing may have been changed. Be
extremely careful during write operations such as copying, saving, or formatting. If you select an incorrect
drive, data or programs can be overwritten.
Important notice for replacing a system board
Somecomponentsmountedonasystemboardareverysensitive.Improperhandlingofasystemboardcan
causedamagetothosecomponents,andmaycauseasystemmalfunction.
Attention:
When handling a system board:
• Do not drop a system board or apply any excessive force to it.
• Avoid rough handling of any kind.
•Avoidbendingasystemboardandhardpushingtopreventcrackingateachball-grid-array(BGA)chipset.
FRU identification
UseLenovoeSupporttoidentifymajorFRUs,FRUpartnumbers,andFRUdescriptionsforaproductatan
MT-serialnumberlevel.ExamplesofmajorFRUsareharddiskdrive,systemboard,liquidcrystaldisplay
(LCD), and memory module.
To identify the major FRUs for a product, do the following:
1. Go to:
2. Click
Warranty & Services
.
3. Click
Check Warranty Status
.
4. On the Warranty Status Lookup page, click
Parts Lookup
.
5. Type your machine type and serial number, and then click
Submit
.
eSupport also can be used to view the general FRU list for a product.
To get the general FRU list for a product, do the following:
1. Go to:
2. Click
Parts
.
3. Follow the instructions on the screen to select product.
4. Click
Products and Parts Detail
.
5. On the PRODUCT AND PARTS DETAIL page, click the
PartsDetail
tabtoviewtheFRUlist.
Note:
TheFRUlistisagenerallistofcomponentsanddoesnotcontainspecificmodelinformation.
20
Hardware Maintenance Manual