Compaq Presario XL121 Manuals

Manuals and User Guides for Compaq Presario XL121. We have 2 Compaq Presario XL121 manuals available for free PDF download: Maintenance & Service Manual, Maintenance And Service Manual

Compaq Presario XL121 Maintenance & Service Manual (133 pages)

Presario 1200 Series

Brand: Compaq | Category: Laptop | Size: 3 MB

Using this Guide
2
Before You Begin
3
Technician Notes
4
Serial Number
4
Product Description
7
Models and Features
7
Front of Unit
11
Front Bezel Lights
12
Right-Side Components
13
Left-Side Components
14
Rear Connectors
16
Power Management
17
Low-Power Modes
20
Battery Operating Life
22
Rebooting after a Lockup
23
Recovering from a Loss of Electrical Power
23
Specifications
25
Physical and Environmental
25
System Interrupts
26
System I/O Addresses
27
System Dma
27
System Memory Catalog
29
Display Information
30
Memory Expansion
31
Diskette Drive
31
Hard Drive
32
CD or DVD Drive
32
Pin Assignments
35
Parallel Connector
35
Universal Serial Bus (USB) Connectors
36
Serial Connector
36
Modem Connector
37
Keyboard/Mouse Connector
38
Battery Operations
39
Disposing of a Used Battery Pack
41
Troubleshooting
43
Preliminary Steps
43
Clearing the Power-On Password
44
Power-On Self Test (POST)
45
Compaq Diagnostics
48
Computer Checkup (TEST)
49
View System Information (INSPECT)
50
Diagnostic Error Codes
50
Troubleshooting Without Diagnostics
59
Before Replacing Parts
60
Solving Minor Problems
60
Solving Audio Problems
60
Solving Diskette Drive Problems
64
Solving Display Problems
65
Solving Hard Drive Problems
68
Solving Hardware Installation Problems
69
Solving Keyboard/Numeric Keypad Problems
69
Solving Memory Problems
70
Solving PC Card Problems
70
Solving Power Problems
72
Solving Printer Problems
73
Solving Touchpad/Pointing Device Problems
74
Contacting Compaq Support
75
Shipping Preparation
76
Removal Sequence
81
Serial Number Location
81
Electrostatic Discharge
82
Generating Static
82
Service Considerations
83
Tool and Software Requirements
83
Cables and Connectors
84
ZIF Connector
85
Diskette Drive Ribbon Cable
87
Speaker Assembly Cable
88
Hard Drive Ribbon Cable
89
Preparing the Notebook for Disassembly
90
Removing the Battery
91
Removing the Palmrest Cover with Touchpad
93
Removing the Keyboard
95
Removing the Heatspreader
97
Removing the Processor
98
Removing the Hard Drive
99
Removing the CD/DVD Drive
102
Removing the Battery Charger Board
104
Removing the Modem
105
Removing the Display Panel Assembly
107
Removing the Upper CPU Cover
111
Removing the Speaker Assembly
113
Removing the Diskette Drive
114
Removing the Fan Assemblies
115
Removing the System Board
117
Verifying Dip Switch Settings
120
Removing the Memory Module
121
Illustrated Parts Catalog
123
System Units
124
System Boards
125
Display Panel Assembly
127
Mass Storage Devices
128
Miscellaneous Cables
129
Miscellaneous Hardware
130
Miscellaneous Plastics
130
Documentation and Software
132

Compaq Presario XL121 Maintenance And Service Manual (43 pages)

Presario 1200 Series

Brand: Compaq | Category: Laptop | Size: 1 MB

Serial Number Location
1
Electrostatic Discharge
2
Generating Static
2
Service Considerations
3
Tool and Software Requirements
3
Cables and Connectors
4
Preparing the Notebook for Disassembly
10
Removing the Battery
11
Removing the Palmrest Cover with Touchpad
13
Removing the Keyboard
15
Removing the Heatspreader
17
Removing the Processor
18
Removing the Hard Drive
19
Removing the CD/DVD Drive
22
Removing the Battery Charger Board
24
Removing the Modem
25
Removing the Display Panel Assembly
27
Removing the Upper CPU Cover
31
Removing the Speaker Assembly
33
Removing the Diskette Drive
34
Removing the Fan Assemblies
35
Removing the System Board
37
Verifying Dip Switch Settings
40
Removing the Memory Module
41

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Compaq Presario XL121 Maintenance & Service Manual (133 pages)

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Compaq Presario XL121 Maintenance And Service Manual (43 pages)

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