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Compaq 315eu Maintenance and Service Guide - Compaq 100eu Small Form Factor, 1 - Page 188

Solving USB Flash Drive Problems

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Solving USB Flash Drive Problems If you encounter USB flash drive problems, common causes and solutions are listed in the following table. USB flash drive is not seen as a drive letter in Windows. Cause Solution The drive letter after the last physical drive is not available. Change the default drive letter for the flash drive in Windows. USB flash drive not found (identified). Cause Solution The device is attached to a USB port that has been disabled Run the Computer Setup utility and ensure that the USB in Computer Setup. ports are enabled. The device was not properly seated before power-up. Ensure the device is fully inserted into the USB port before applying power to the system System will not boot from USB flash drive. Cause Boot order is not correct. The image on the device is not bootable. Solution Run the Computer Setup utility and change boot sequence. Insert a bootable device. The computer boots to DOS after making a bootable flash drive. Cause Solution Flash drive is bootable. Install the flash drive only after the operating system boots. 178 Chapter 11 Troubleshooting Without Diagnostics

Section	Page
Installing and Customizing the Software	11
Installing the Operating System	11
Downloading Microsoft Windows Updates	12
Installing or Upgrading Device Drivers (Windows systems)	12
Accessing Disk Image (ISO) Files	12
Protecting the Software	13
Computer Setup (F10) Utility	14
Compaq 315eu MT Model – Computer Setup (F10) Utilities	14
Using Computer Setup (F10) Utilities	14
Computer Setup—Main	15
Computer Setup—Advanced	17
Computer Setup—Power	18
Computer Setup—Boot	18
Computer Setup—Exit	19
Compaq 100eu SFF Model – Computer Setup (F1) Utilities	20
Using Computer Setup (F1) Utilities	20
Computer Setup—Main	21
Computer Setup—Advanced	22
Computer Setup—Power	23
Computer Setup—Boot	23
Computer Setup—Exit	24
Compaq 100eu All-in-One Model – Computer Setup (F1) Utilities	25
Using Computer Setup (F1) Utilities	25
Computer Setup—Main	26
Computer Setup—Advanced	27
Computer Setup—Power	28
Computer Setup—Boot	28
Computer Setup—Exit	29
Serial ATA (SATA) Drive Guidelines and Features	30
SATA Hard Drives	30
SATA Hard Drive Cables	30
SATA Data Cable	30
SMART ATA Drives	31
Hard Drive Capacities	31
Identifying the Chassis, Routine Care, and Disassembly Preparation	32
Chassis Designation	33
Microtower	33
Small Form Factor	34
All-in One	34
Electrostatic Discharge Information	35
Generating Static	35
Preventing Electrostatic Damage to Equipment	35
Personal Grounding Methods and Equipment	36
Grounding the Work Area	36
Recommended Materials and Equipment	37
Operating Guidelines	37
Routine Care	38
General Cleaning Safety Precautions	38
Cleaning the Computer Case	38
Cleaning the Keyboard	39
Cleaning the Monitor	39
Cleaning the Mouse	39
Service Considerations	39
Power Supply Fan	40
Tools and Software Requirements	40
Screws	40
Cables and Connectors	40
Hard Drives	41
Lithium Coin Cell Battery	41
Illustrated parts catalog	42
Microtower Chassis spare parts	42
Computer major components	42
Sequential part number listing	44
Small Form Factor Chassis spare parts	46
Computer major components	46
Sequential part number listing	47
All-in One Chassis spare parts	49
Computer major components	49
Sequential part number listing	51
Removal and Replacement Procedures Microtower (MT) Chassis	53
Preparation for Disassembly	53
Access Panel	54
Front Bezel	55
Memory	56
DDR3-SDRAM DIMMs	56
Populating DIMM Sockets	57
Installing Memory Modules	58
Expansion Cards	60
Cable Management	64
Cable Connections	65
Drives	66
Drive Positions	66
Installing Additional Drives	67
System Board Drive Connections	68
Removing an Optical Drive	69
Removing the Hard Drive	70
Front I/O Assembly	72
Power Switch/LED Assembly	74
Heat Sink	75
System Fan	78
Processor	79
Power Supply	80
System Board	82
Battery	84
Type 1 Battery Holder	85
Type 2 Battery Holder	85
Type 3 Battery Holder	86
Removal and Replacement Procedures Small Form Factor (SFF) Chassis	87
Preparation for Disassembly	87
Access Panel	88
Front Bezel	89
Cable Management	90
Cable Connections	91
Memory Module	92
DDR3-SDRAM DIMMs	92
Populating DIMM Sockets	93
Installing SODIMMs	94
Drives	96
System Board Drive Connections	96
Removing an Optical Drive	97
Removing a Hard Drive	100
Expansion Cards	102
Front USB Panel	106
Card Reader	108
Power Switch/LED Assembly	109
Chassis Fan	112
System Board	113
Replacing the Battery	114
Removal and Replacement Procedures All-in One (AIO) Chassis	116
Preparing to disassemble the computer	116
Memory/Optical Drive Cover	117
Memory Module	118
Optical Drive	120
Stand	121
Hinge Cover	122
Rear Cover	123
Webcam module	124
Power Button Board	126
Display Board	127
Rear Metal Cover	128
Hard Drive	130
Driver Board	132
Drive Cable Assembly	133
Speakers	134
Fan Sink	135
Display Cable	136
System Board and I/O Board Assembly	137
WLAN module	140
Stand Bracket	142
Display Panel	143
Cable Routing	145
Restore and Recovery	146
Microsoft System Restore	146
System Recovery	146
System Recovery Options	147
System Recovery from the Windows Start Menu	147
System Recovery at System Startup	148
System Recovery from Recovery Discs	148
Recovery Discs	149
Choosing Recovery Discs	149
Creating Recovery Discs	150
Computer Diagnostic Features	151
Hewlett-Packard Vision Diagnostics	151
Accessing HP Vision Diagnostics	151
Survey Tab	152
Test Tab	153
Status Tab	153
History Tab	154
Errors Tab	154
Help Tab	155
Saving and Printing Information in HP Vision Diagnostics	155
Downloading the Latest Version of HP Vision Diagnostics	155
Protecting the Software	156
Troubleshooting Without Diagnostics	157
Safety and Comfort	157
Before You Call for Technical Support	157
Helpful Hints	158
Solving General Problems	160
Solving Diskette Problems	164
Solving Hard Drive Problems	166
Solving Media Card Reader Problems	168
Solving Display Problems	170
Solving Audio Problems	173
Solving Printer Problems	175
Solving Keyboard and Mouse Problems	176
Solving Hardware Installation Problems	179
Solving Network Problems	181
Solving Memory Problems	184
Solving CD-ROM and DVD Problems	185
Solving USB Flash Drive Problems	188
Solving Front Panel Component Problems	189
Solving Internet Access Problems	190
Solving Software Problems	193
Contacting Customer Support	194
POST Error Messages	195
POST Text Messages	195
Interpreting POST Diagnostic Audible Codes	196
Password Security and Resetting CMOS	198
Resetting the Password Jumper	198
Clearing and Resetting the CMOS	199
Connector Pin Assignments	201
Ethernet BNC	201
USB	201
Microphone	201
Headphone	202
Line-in Audio	202
Line-out Audio	202
4-Pin Power (for CPU)	202
Monitor	203
24-Pin Power	203
PCI Express	204
PCI Express	205
Power Cord Set Requirements	206
General Requirements	206
Japanese Power Cord Requirements	206
Country-Specific Requirements	207
Specifications	208
Microtower models	208
Small form factor models	209
All-in One models	210