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Compaq 435 Maintenance and Service Guide - Page 94

The following illustration shows the replacement thermal material locations on a computer

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NOTE: The following illustration shows the fan/heat sink assembly removal process on a computer model equipped with an Intel Celeron processor. The thermal material must be thoroughly cleaned from the surfaces of the heat sink and the system board components each time the heat sink is removed. Replacement thermal material is included with the base enclosure, fan/heat sink assembly, processor, and system board spare part kits. NOTE: The following illustration shows the replacement thermal material locations on a computer model equipped with an AMD processor. 86 Chapter 4 Removal and replacement procedures

Section	Page
Product description	9
External component identification	18
Display	18
Button	19
Keys	20
Lights	21
TouchPad	22
Left side	23
Right side	24
Bottom	25
Illustrated parts catalog	26
Service tag	26
Computer major components	28
Cable Kit	33
Display assembly subcomponents	34
Mass storage devices	36
Miscellaneous parts	37
Plastics Kit	38
Sequential part number listing	38
Removal and replacement procedures	44
Preliminary replacement requirements	44
Tools required	44
Service considerations	44
Plastic parts	44
Cables and connectors	44
Drive handling	45
Grounding guidelines	45
Electrostatic discharge damage	45
Packaging and transporting guidelines	47
Workstation guidelines	47
Equipment guidelines	48
Component replacement procedures	49
Service tag	49
Computer feet	50
Battery	51
WLAN module	52
Memory module	55
Hard drive	56
Optical drive (select models only)	59
Keyboard	61
Top cover	64
Power button board	68
TouchPad button board	69
Speakers	71
USB board	73
Power connector cable	74
Display assembly	76
System board	84
Optical drive connector cable	87
RTC battery	89
Fan/heat sink assembly	91
Processor	97
Setup Utility (BIOS) and System Diagnostics	100
Using Setup Utility	100
Starting Setup Utility	100
Changing the language of Setup Utility	100
Navigating and selecting in Setup Utility	101
Displaying system information	101
Restoring factory settings in Setup Utility	102
Exiting Setup Utility	102
Updating the BIOS	102
Determining the BIOS version	103
Downloading a BIOS update	103
Using System Diagnostics	104
Specifications	105
Computer specifications	105
14.0-inch display specifications	106
Hard drive specifications	107
Backup and recovery	108
Restore	108
Creating restore media	109
Performing a system restore	110
Restoring using the dedicated recovery partition (select models only)	110
Restoring using the restore media	111
Changing the computer boot order	111
Backing up and recovering your information	112
Using Windows Backup and Restore	113
Using Windows system restore points	113
When to create restore points	113
Create a system restore point	114
Restore to a previous date and time	114
Power cord set requirements	115
Requirements for all countries	115
Requirements for specific countries and regions	116
Recycling	117
Battery	117
Display	117

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NOTE:

The following illustration shows the fan/heat sink assembly removal process on a computer

model equipped with an Intel Celeron processor.

The thermal material must be thoroughly cleaned from the surfaces of the heat sink and the system

board components each time the heat sink is removed. Replacement thermal material is included with

the base enclosure, fan/heat sink assembly, processor, and system board spare part kits.

NOTE:

The following illustration shows the replacement thermal material locations on a computer

model equipped with an AMD processor.

Chapter 4

Removal and replacement procedures