Keyboard Cleaning Product description Keyboard problems | HP 280 G1

HP PC Hardware Diagnostics (UEFI) downloading 106

HP Recovery Disc Creator, using 112

I
installing
battery	118
drive cables 30
expansion card		27
memory	25
Internet access problems			91
K
keyboard
cleaning	16
product description			2
keyboard problems		79

L LEDs

blinking PS/2 keyboard 100

M
media card reader
problems	71
memory
installation		25
problems	86
socket population				25
specifications		25
memory module
product description				1
memory modules
illustrated	10
model name	1
monitor problems			72
mouse
cleaning	17
problems	79
N
network problems			83
numeric error codes			94
O
operating guidelines			15

operating system media, Windows 8 110

operating system media, Windows 8.1 110

operating system, product
description			2
optical drive
options	12
problems			88
product description						1
removal		32
overheating, prevention						15
P
password
clearing		103
power-on			103
setup	103
passwords	104, 105
pointing device, product
description			2
ports
product description						2
POST error messages					94
power cord set requirements
country specific					121
power problems				68
power requirements, product
description			2
power supply
fan 17
illustrated			10
operating voltage range							124
removal and replacement							47
Power-On password					104, 105
power-on password					103
printer problems				78
problems
audio	76
CD-ROM or DVD					88
Computer Setup					64
F10 Setup			64
flash drive			90
front panel			91
general	64
hard drive			69
hardware installation						81
Internet access				91
keyboard			79
Media Card Reader 71
memory		86
monitor		72
mouse	79
network		83

	power	68
	printer	78
	software		92
processor
	product description						1
	removal and replacement							40
processors
	illustrated			10
product description
	audio	1
	chipset	1
	Ethernet		1
	external media cards						2
	graphics		1
	hard drive			1
	keyboard		2
	memory module					1
	operating system					2
	optical drive			1
	pointing device				2
	ports	2
	power requirements						2
	processors			1
	product name				1
	serviceability				3
	wireless		1
product ID locations						8
product name				1
R
rear chassis fan
	removal and replacement							44
rear panel components							6
recovery discs, steps for creating
Windows 7			112
recovery discs, using for restore
116
recovery media, creating							112
recovery media, creating Windows
7	111
recovery partition, Windows 8								108
recovery partition, Windows 8.1
108
recovery USB flash drive, steps for
creating Windows 7						112

recovery using Windows 8 operating system media 110

recovery using Windows 8.1 operating system media 110

Index 127

Image 135

HP 280 G1 manual Keyboard Cleaning Product description Keyboard problems, Memory module

Contents

Maintenance and Service Guide Product notice Iii Safety warning notice Iv Safety warning notice Table of contents System board callouts Sata data cable 105 100103 104 Viii 120121 124 Product description Product description SoftPaq Serviceability End user replaceable parts Standard Configuration Features Product Features Front panel components Front panel componentsMm Microphone Jack Rear panel components Power cord connector Rear panel components Serial Number Location Illustrated parts catalog Computer major componentsComputer major components Item Description Front bezel Access panelFront I/O assembly Illustrated parts catalog Graphics card, GeForce GT705 PCIe x16, 1 GB Wlan 802.11 a/b/g/n + Bluetooth 4.0 moduleMisc parts Misc parts Description Hard drives/Solid-state drives DrivesItem Description Mouse Relative Humidity Event 55% 40% 10% Electrostatic discharge informationGenerating static Electrostatic discharge information Static Shielding Protection Levels Preventing electrostatic damage to equipmentPersonal grounding methods and equipment Grounding the work area Recommended materials and equipment Operating guidelines Routine care General cleaning safety precautionsCleaning the Computer Case Cleaning the keyboard Power supply fan Service considerationsCleaning the monitor Cleaning the mouse Hard Drives Cables and connectorsLithium coin cell battery Screws Smart ATA drives Serial ATA Hard Drive CharacteristicsSata hard drives Sata hard drive cables Cable management Preparation for disassembly Removal and replacement procedures Access panel Front bezel Optical drive bezel blank Populating Dimm sockets MemoryDIMMs DDR3/DDR3L-SDRAM UDIMMs Installing DIMMs Expansion cards Removal and replacement procedures Page Drives Drive positions Removing an optical drive Removing a hard drive Front I/O and power switch assembly Page Removal and replacement procedures Card reader Removal and replacement procedures Heat sink Processor Speaker Page Page Rear chassis fan Page Hood sensor Power supply Page System board Sys Bd Label Color Component System board callouts Computer Setup F10 Utilities Computer Setup F10 Utility Using Computer Setup F10 Utilities Computer Setup-File Computer Setup F10 Utility Computer Setup-Storage Computer Setup-Security USB Security Network BootMaster Boot Security Device Security System Security these Secure BootConfiguration Legacy Support to disabled Management Computer Setup-PowerHardware Power Option Description Option Computer Setup-AdvancedPower-On Options Bios Power-On Bus Options PCI VGA ConfigurationUsing the Dash Terminal Type option Connected Bios Recovering the Configuration Settings Safety and comfort Before you call for technical support Troubleshooting without diagnostics Helpful hints Computer will not respond to keyboard or mouse Cause Solving general problems Solving general problems Poor performance Cause Solution Apps iconUnder Windows System, click Run Processor thermal protection activated Power supply shuts down intermittently Cause Solution Solving power problems Solving hard drive problems Solving hard drive problems Storage Boot Order Nonsystem disk/NTLDR missing message Cause SolutionStorage Boot Order list Computer will not boot from hard drive Cause Solution Solving media card reader problems Solving media card reader problemsCan not write to the media card Cause To the electrical outlet Solving display problemsInserted media card has boot capability Blank screen no video Cause Solution Blank screen no video Cause Solving display problems Monitor needs to be degaussed Dim characters Cause SolutionInstall the video drivers included in the upgrade kit Be sure the monitor cable is securely connected to Horizontal or vertical position of the image Image is not centered Cause SolutionPosition may need adjustment No Connection, Check Signal Cable displays on screen Cause Solving audio problems Certain typed symbols do not appear correct CauseSound cuts in and out Cause Solution Solving audio problems Control Panel , and then select Device Manager Solving printer problemsPrinter will not print Cause Solution Line-in jack is not functioning properly Cause Make the proper network connections to the printer Solving keyboard and mouse problemsSolving keyboard and mouse problems Printer prints garbled information Cause Solution Computer, and then restart the computer Keyboard connector is not properly connectedProgram in use has stopped responding to commands Shut down the computer using the keyboard Mouse may need repair Solving Hardware Installation ProblemsSolving Hardware Installation Problems That pins in the connector are not bent down Computer will not start Cause Solution Solving Network Problems Solving Network Problems Network status link light never flashes Cause Solution Cable Correctly Correct operating modeDiagnostics reports a failure Cause Solution Settings for the board New network card will not boot Cause Solution Solving memory problems Insufficient memory error during operation Cause Solution Solving memory problemsOut of memory error Cause Memory count during Post is wrong Cause Solution Solving CD-ROM and DVD problems Computer Setup utilitySecurity Network Boot Solving CD-ROM and DVD problems Movie will not play in the DVD drive Cause SolutionCannot eject compact disc tray-load unit Cause Security USB Security Solving USB flash drive problemsUSB flash drive not found identified Cause Solution System will not boot from USB flash drive Cause Solution Solving front panel component problems Solving Internet access problemsSolving front panel component problems System files may be damaged Solving software problemsDelete button Log on to your ISP and launch the desired program Solving software problems Advanced startup, click Restart nowSelect Automatic Repair Control panel message Description Recommended action Post error messagesPost error messages Post numeric codes and text messages Post numeric codes and text messages Download to Disable to prevent PXE Depressed Flash Screen Image Corrupted Flash Screen image has errorsECC Memory Module Detected ECC Ensure that none of the keys are Computer Setup or Windows utilities Power Supply fan not detectedReseat power supply fan Reconfigure card resources and/or run System Bios version Sata Cabling Error One or more Sata devices are improperlyReboot the computer Functionality contained in the system Bios Attached Enabled Turned off Activity Beeps Possible cause Recommended action Times, once every second Unable to boot Faulty modulePre-video graphics error For systems with a graphics card Red Power LED flashes seven Problem persists, replace the system board Open hood and check that the power buttonCheck that both power supply cables are Replace the power button harness. If Resetting the Cmos and password jumper Password security and resetting Cmos Changing a Setup or Power-On password Press Enter Deleting a Setup or Power-On password Deleting a Setup or Power-On password HP PC Hardware Diagnostics Why run HP PC Hardware DiagnosticsHow to access and run HP PC Hardware Diagnostics Diagnostic section, click HP Uefi Support Environment System backup and recovery Creating recovery media and backupsRestoring and recovering using Windows tools Select Reset Follow the on-screen instructions to continue Using Reset when the system is not responding Backing up, restoring, and recovering in Windows Click All Programs Creating recovery media To create the Windows DVD System backup and recovery To create recovery discs Close all open programs Follow the on-screen instructions to set up your backup System Restore System Recovery when Windows is responding System Recovery System Recovery when Windows is not responding Select Install now Page Battery replacement Page Power Cord Set Requirements Japanese Power Cord RequirementsGeneral Requirements Country-Specific Requirements Country-Specific RequirementsCountry Accrediting Agency Appendix C Statement of Volatility Statement of Volatility Enter the F10 setup utility Specifications SpecificationsAppendix D Specifications 125 Recycling Index Keyboard Cleaning Product description Keyboard problems Memory moduleIllustrated Product description Audio Chipset Ethernet Processor Rear chassis fan Speaker 108 Safety and comfort Safety precautions CleaningSystem restore points, creating Flash drive 112 System Recovery 114