HP 450 Specifikace stáhnout pdf (Strana 72)

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2. Remove the five Phillips PM2.5×6.0 screws that secure the top cover to the computer.

3. Remove the four Phillips PM1.6×2.0 screws (1) and the Phillips PM2.0×3.0 screw (2) that secure

the top cover to the computer.

4. Remove the eleven Phillips PM2.5×4.0 screws that secure the top cover to the computer.

5. Turn the computer right-side up with the front toward you, and then open the computer.

64 Chapter 4 Removal and replacement procedures

1 2 ... 67 68 69 70 71 72 73 74 75 76 77 ... 141 142

HP 240 Notebook PC and HP 245 1
Notebook PC 1
Safety warning notice 3
Table of contents 5
1 Product description 9
Component Description 16
Speakers (2) Produce sound 16
Right side 17
Left side 18
Left side 11 19
TouchPad 21
Bottom 17 25
3 Illustrated parts catalog 26
Computer major components 19 27
Computer major components 21 29
Mass storage devices 33
Plastics Kit 34
Miscellaneous parts 35
Tools required 41
Service considerations 41
Grounding guidelines 42
Service tag and PCID label 46
PCID label 47
Computer feet 48
Description Spare part number 49
WLAN module 57
Memory module 60
Hard drive 62
RTC battery 65
Optical drive 66
Keyboard 68
Top cover 71
9. Remove the top cover (2) 74
Power button board 75
TouchPad button board 77
Speakers 79
3. Remove the speakers (4) 80
USB board 81
3. Remove the USB board (3) 82
Power connector cable 83
Display assembly 85
System board 94
Optical drive cable 98
Fan/heat sink assembly 100
Processor 106
System Diagnostics 109
Updating the BIOS 111
6 Specifications 118
Hard drive specifications 120
7 Backup and recovery 121
Backing up your information 122
Performing a system recovery 123
Using f11 recovery tools 124
Using HP Software Setup 129
8 Power cord set requirements 130
9 Recycling 133

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