HP 1105 Maintenance & Service Guide HP Pro 1105 All-in-One Business PC
HP 1105 Manual
View all HP 1105 manuals
Add to My Manuals
Save this manual to your list of manuals |
HP 1105 manual content summary:
- HP 1105 | Maintenance & Service Guide HP Pro 1105 All-in-One Business PC - Page 1
Maintenance & Service Guide HP Pro 1105 All-in-One Business PC - HP 1105 | Maintenance & Service Guide HP Pro 1105 All-in-One Business PC - Page 2
copyright. No part of this document may be photocopied, reproduced, or translated to another language without the prior written consent of Hewlett-Packard Company. Maintenance & Service Guide HP Pro 1105 All-in-One Business PC First Edition (November 2012) Document Part Number: 713369-001 - HP 1105 | Maintenance & Service Guide HP Pro 1105 All-in-One Business PC - Page 3
About This Book WARNING! Text set off in this manner indicates that failure to follow directions could result in bodily harm or loss of life. CAUTION: Text set off in this manner indicates that failure to follow directions could result in damage to equipment or loss of information. NOTE: Text set - HP 1105 | Maintenance & Service Guide HP Pro 1105 All-in-One Business PC - Page 4
Side Components ...3 Rear Components ...4 2 Installing and Customizing the Software ...5 Activating and customizing the software 5 Activating the Windows Operating System 5 Downloading Windows 8 updates 6 Customizing the monitor display 6 3 Computer Setup (F10) Utility ...7 Computer Setup (F10 - HP 1105 | Maintenance & Service Guide HP Pro 1105 All-in-One Business PC - Page 5
the Monitor ...27 Cleaning the Mouse ...28 Service Considerations ...28 Tools and Software Requirements 28 Screws ...28 Cables and Connectors Sequential part number listing ...35 7 Removal and Replacement Procedures All-in One (AIO) Chassis 37 Preparing to Disassemble the Computer 37 Rear Cover - HP 1105 | Maintenance & Service Guide HP Pro 1105 All-in-One Business PC - Page 6
116 Solving Internet Access Problems ...116 Solving Software Problems ...118 Contacting Customer Support ...120 Appendix B HP PC Hardware Diagnostics 121 Why run HP PC Hardware Diagnostics 121 How to access and run HP PC Hardware Diagnostics 121 Downloading HP PC Hardware Diagnostics to a USB - HP 1105 | Maintenance & Service Guide HP Pro 1105 All-in-One Business PC - Page 7
Interpreting POST Diagnostic Front Panel LEDs and Audible Codes 133 Appendix E Power Cord Set Requirements 137 General Requirements ...137 Japanese Power Cord Requirements 137 Country-Specific Requirements ...138 Appendix F Specifications ...139 All-in One Model ...139 Index ...140 viii - HP 1105 | Maintenance & Service Guide HP Pro 1105 All-in-One Business PC - Page 8
1 Product Features Overview HP Pro 1105 All-in-One Business PC offers the following features: ● Integrated All-in-One form factor ● 18.5-inch, WLED, diagonal widescreen HD (720p) anti-glare display (non-touch) ● Adjustable tilt stand ● Integrated ATI Radeon HD 7310, Microsoft® DirectX®6 11 capable ● - HP 1105 | Maintenance & Service Guide HP Pro 1105 All-in-One Business PC - Page 9
Front Components Component 1 Dual microphones 2 Low-light webcam Component 3 18.5-inch diagonal widescreen LCD HD anti-glare display 4 Stereo speakers 2 Chapter 1 Product Features - HP 1105 | Maintenance & Service Guide HP Pro 1105 All-in-One Business PC - Page 10
Side Components Component 1 Power button 2 Optical disk drive 3 Hard disk drive LED Indicator 4 Media card reader LED Indicator Component 5 6-in-1 media card reader 6 (2) USB 3.0 Port 7 Microphone port 8 Headphone port Side Components 3 - HP 1105 | Maintenance & Service Guide HP Pro 1105 All-in-One Business PC - Page 11
Rear Components Component 1 Adjustable tilt stand 2 Power connector LED Indicator 3 Power connector 4 (4) USB 2.0 ports Component 5 Security lock slot 6 Line-out port 7 RJ-45 ethernet port 4 Chapter 1 Product Features - HP 1105 | Maintenance & Service Guide HP Pro 1105 All-in-One Business PC - Page 12
5 to 10 minutes. Carefully read and follow the instructions on the screen to complete the activation. We recommend that you register your computer with HP during operating system set up so you can receive important software updates, facilitate support questions, and sign up for special offers. You - HP 1105 | Maintenance & Service Guide HP Pro 1105 All-in-One Business PC - Page 13
Click Settings > Change PC Settings. 3. Click Personalize to change the display settings. To customize the Desktop: 1. Click the Desktop app on the Start screen. 2. Right-click on the desktop, and then click Personalize to change display settings. 6 Chapter 2 Installing and Customizing the Software - HP 1105 | Maintenance & Service Guide HP Pro 1105 All-in-One Business PC - Page 14
messages, such as memory count, product name, and other non-error text messages. If a POST error occurs, the error is displayed regardless of the mode selected. To manually switch to Post Messages Enabled during POST, press any key (except F1 through F12). ● Establish an Ownership Tag, the text of - HP 1105 | Maintenance & Service Guide HP Pro 1105 All-in-One Business PC - Page 15
saving system configuration information on a USB device and restoring it on one or more computers. ● Execute self-tests on a specified ATA hard drive (when supported by drive). ● Enable or disable DriveLock security (when supported by drive). Using Computer Setup (F10) Utilities Computer Setup can - HP 1105 | Maintenance & Service Guide HP Pro 1105 All-in-One Business PC - Page 16
Computer Setup-File NOTE: Support for specific Computer Setup options may vary depending on the version) ● Chassis serial number ● Asset tracking number ● ME firmware version ● ME Management mode Displays copyright notice. Allows you to set system time and date. Allows you to update the system ROM - HP 1105 | Maintenance & Service Guide HP Pro 1105 All-in-One Business PC - Page 17
: Support for specific Computer Setup options may vary depending on the hardware configuration. Table 3-3 Computer Setup-Storage Option Device Configuration Description Lists all installed BIOS-controlled storage devices. When a device is selected, detailed information and options are displayed - HP 1105 | Maintenance & Service Guide HP Pro 1105 All-in-One Business PC - Page 18
drives. For more information, see the eSATA white paper at www.hp.com. SATA Emulation Allows you to choose how the SATA controller and devices are of the three options. Operating systems usually do not require additional driver support in IDE mode. RAID - Allows DOS and boot access to RAID volumes - HP 1105 | Maintenance & Service Guide HP Pro 1105 All-in-One Business PC - Page 19
DPS) self-tests. NOTE: This selection will only appear when at least one drive capable of performing the DPS self-tests is attached to the system turns green. After POST is completed, a list of bootable devices is displayed. Use the arrow keys to select the preferred bootable device and press Enter - HP 1105 | Maintenance & Service Guide HP Pro 1105 All-in-One Business PC - Page 20
Computer Setup-Security NOTE: Support for specific Computer Setup options may vary depending on the hardware configuration. Table 3-4 Computer Setup-Security Option Description Setup Password Allows you to set and enable a setup ( - HP 1105 | Maintenance & Service Guide HP Pro 1105 All-in-One Business PC - Page 21
to set: ● Asset tag (18-byte identifier), a property identification number assigned by the company to the computer. ● Ownership tag (80-byte identifier) displayed during POST. ● Universal Unique Identifier (UUID) number. The UUID can only be updated if the current chassis serial number is invalid - HP 1105 | Maintenance & Service Guide HP Pro 1105 All-in-One Business PC - Page 22
and then back on. Default is disabled. Trusted Execution Technology (enable/disable) - Controls the underlying processor and chipset features needed to support a virtual appliance. Changing this setting requires turning the computer off and then back on. Default is disabled. To enable this feature - HP 1105 | Maintenance & Service Guide HP Pro 1105 All-in-One Business PC - Page 23
operating systems. Selecting HP Keys causes the computer boot using the preloaded HP-specific boot keys. Default is HP Keys. ● Fast Boot display advanced boot options. From Windows 8, you can press Shift and select Restart to access the screen that lets you boot to a device or troubleshoot - HP 1105 | Maintenance & Service Guide HP Pro 1105 All-in-One Business PC - Page 24
Computer Setup-Power NOTE: Support for specific Computer Setup options may vary depending on the hardware . Allows certain operating systems to reduce processor voltage and frequency when the current software load does not require the full capabilities of the processor. Default is enabled. - HP 1105 | Maintenance & Service Guide HP Pro 1105 All-in-One Business PC - Page 25
Support for specific some kind of problem while starting the PC. A POST error message will only display on screen if you turn off power to the computer using the switch on a power strip, you will not be able if present. Some versions of the recovery software honor the F11 key press even when this - HP 1105 | Maintenance & Service Guide HP Pro 1105 All-in-One Business PC - Page 26
one graphics controller is installed. Default is disabled. Device Options Allows you to set: ● Printer Force, the UMA Frame Buffer Size option displays, which lets you set the UMA memory Option ROM Download (enable/disable). The BIOS contains an embedded SATA RAID option ROM for RAID support. This - HP 1105 | Maintenance & Service Guide HP Pro 1105 All-in-One Business PC - Page 27
functions once unconfigured. Default is disabled. ● Hide Unconfigure ME Confirmation Prompt (enable/disable). Allows you to set the system to not display the confirmation to unconfigure ME. ● Watchdog Timer (enable/disable). Allows you to set amount of time for a operating system and BIOS - HP 1105 | Maintenance & Service Guide HP Pro 1105 All-in-One Business PC - Page 28
4 Serial ATA (SATA) Drive Guidelines and Features NOTE: HP only supports the use of SATA hard drives on these models of computer. No Parallel ATA (PATA) drives are supported. SATA Hard Drives Serial ATA Hard Drive Characteristics Number of pins/conductors in data cable Number of pins in power - HP 1105 | Maintenance & Service Guide HP Pro 1105 All-in-One Business PC - Page 29
and Recording Technology (SMART) ATA drives for the HP Personal Computers have built-in drive failure prediction that warns may differ from that marked on the hard drive or listed in the computer specification. Drive size calculations by drive manufacturers are bytes to the base 10 while - HP 1105 | Maintenance & Service Guide HP Pro 1105 All-in-One Business PC - Page 30
information for the computer. Adherence to the procedures and precautions described in this chapter is essential for proper service. CAUTION: When the computer is plugged into an AC power source, voltage is always applied to the system board. You must disconnect the power cord - HP 1105 | Maintenance & Service Guide HP Pro 1105 All-in-One Business PC - Page 31
Grounding Methods and Equipment Use the following equipment to prevent static electricity damage to equipment: ● Wrist straps are flexible straps with a maximum of one-megohm ± 10% resistance in the ground cords. To provide proper ground, a strap must be worn snug against bare skin. The ground cord - HP 1105 | Maintenance & Service Guide HP Pro 1105 All-in-One Business PC - Page 32
+/- 10% resistance ● Static-dissipative table or floor mats with hard tie to ground ● Field service kits ● Static awareness labels ● Wrist straps and footwear straps providing one-megohm +/- 10% resistance ● Material handling packages ● Conductive plastic bags ● Conductive plastic tubes ● Conductive - HP 1105 | Maintenance & Service Guide HP Pro 1105 All-in-One Business PC - Page 33
slots on the monitor with any type of material. ● Install or enable power management functions of the operating system or other software, including sleep states. Routine Care General Cleaning Safety Precautions 1. Never use solvents or flammable solutions to clean the computer. 2. Never immerse - HP 1105 | Maintenance & Service Guide HP Pro 1105 All-in-One Business PC - Page 34
To clean the computer case, follow the procedures described below: ● To remove light stains or dirt, use plain water with a clean, lint-free cloth or swab. ● For stronger stains, use a mild dishwashing liquid diluted with water. Rinse well by wiping it with a cloth or swab dampened with clear water. - HP 1105 | Maintenance & Service Guide HP Pro 1105 All-in-One Business PC - Page 35
you should keep in mind during the disassembly and assembly of the computer. Tools and Software Requirements To service the computer, you need the following: ● Torx T-15 screwdriver (HP screwdriver with bits, PN 161946-001) ● Phillips #2 screwdriver ● Phillips #1 screwdriver ● Torx T15 screwdriver - HP 1105 | Maintenance & Service Guide HP Pro 1105 All-in-One Business PC - Page 36
appropriate removal and replacement chapter for the chassis you are working on in this guide for instructions on the replacement procedures. WARNING! This computer contains a lithium battery. There is system or return them to HP, their authorized partners, or their agents. Service Considerations 29 - HP 1105 | Maintenance & Service Guide HP Pro 1105 All-in-One Business PC - Page 37
6 Illustrated parts catalog Computer major components 30 Chapter 6 Illustrated parts catalog - HP 1105 | Maintenance & Service Guide HP Pro 1105 All-in-One Business PC - Page 38
Item (1) (2) (3) (4) (5) (6) Description Front bezel Display panels (18.5-inch, WLED, non-ZBD, 200 nits) AUO CMI LG Rear cover (does not include stand) Foot assembly Side I/O panel Stand Mylar, for use - HP 1105 | Maintenance & Service Guide HP Pro 1105 All-in-One Business PC - Page 39
(3) Inverter cable (4) Hard drive cable (5) Webcam cable Antenna (not illustrated) Backlight cable for use with AUO and CMI display panels Backlight cable for use with LG display panels 32 Chapter 6 Illustrated parts catalog Spare part number 669996-001 669998-001 669999-001 669997-001 669995-001 - HP 1105 | Maintenance & Service Guide HP Pro 1105 All-in-One Business PC - Page 40
Boards Description (1) System board (includes replacement thermal material) (2) Inverter board (3) WLAN module (802.11b/g/n) Ralink RT3290LE 802.11bgn 1x1 Wi-Fi and Bluetooth 4.0 Combo Adapter (WLAN module) Ralink RT5390R 802.11bgn 1x1 Wi-Fi Adapter (WLAN module) (4) Webcam module (5) Memory - HP 1105 | Maintenance & Service Guide HP Pro 1105 All-in-One Business PC - Page 41
blower Speakers (2) Left speaker (3) Right speaker (4) Rubber grommet (for use in hard drive cage) Mouse (USB, optical; not illustrated) HP Business Digital Headset (not illustrated) Keyboard (not illustrated) USB (United States) USB (Latin America Spanish) USB (Brazilian Portuguese) Wireless (Latin - HP 1105 | Maintenance & Service Guide HP Pro 1105 All-in-One Business PC - Page 42
-GB Hard drive, 500-GB Hard drive, 750-GB HP Business Digital Headset Memory module, 1-GB (PC3-10600) Keyboard, wired HP SuperMulti DVD Writer Drive (includes bezel) Antenna Fan/blower Foot assembly Stand Rubber grommet (for use in hard drive cage) Mylar, for use on stand hinge Webcam cable Display - HP 1105 | Maintenance & Service Guide HP Pro 1105 All-in-One Business PC - Page 43
-001 710537-001 710538-001 710539-001 710540-001 710541-001 710542-001 710543-001 710544-001 Description Hard drive cable Optical drive cable Display panel power cable Speaker, left Speaker, right Memory module, 2-GB (PC3-12800) Memory module, 4-GB (PC3-12800) Ralink RT5390R 802.11bgn 1x1 Wi-Fi - HP 1105 | Maintenance & Service Guide HP Pro 1105 All-in-One Business PC - Page 44
7 Removal and Replacement Procedures All-in One (AIO) Chassis The following sections provide information from the back of the computer. 5. Place the computer face down on a soft flat surface. HP recommends that you set down a blanket, towel, or other soft cloth to protect the screen surface from - HP 1105 | Maintenance & Service Guide HP Pro 1105 All-in-One Business PC - Page 45
-001 Remove the main rear cover to access internal components. The cover is secured by three Phillips screws - two captive in the bottom corners, one non-captive above the stand. To remove the rear cover: 1. Prepare the computer for disassembly (see Preparing to Disassemble the Computer on page 37 - HP 1105 | Maintenance & Service Guide HP Pro 1105 All-in-One Business PC - Page 46
Stand Description Stand Spare part number 669988-001 The stand is secured with four screws that you can remove from the inside of the rear cover. To remove the stand: 1. Prepare the computer for disassembly (see Preparing to Disassemble the Computer on page 37). 2. Remove the rear cover (see Rear - HP 1105 | Maintenance & Service Guide HP Pro 1105 All-in-One Business PC - Page 47
4. Slide the stand bracket through the slot in the rear cover, and then remove the stand from the rear cover. To replace the stand, reverse the removal procedures. 40 Chapter 7 Removal and Replacement Procedures All-in One (AIO) Chassis - HP 1105 | Maintenance & Service Guide HP Pro 1105 All-in-One Business PC - Page 48
Foot assembly Description Foot assembly Spare part number 669986-001 The foot assembly is secured with six screws. On each side, the inside screw is smaller than the two outside screws. To remove the foot assembly: 1. Prepare the computer for disassembly (see Preparing to Disassemble the Computer - HP 1105 | Maintenance & Service Guide HP Pro 1105 All-in-One Business PC - Page 49
3. Remove the six screws that secure the foot assembly to the computer. 4. Lift the foot assembly from the computer. To replace the foot assembly, reverse the removal procedures. 42 Chapter 7 Removal and Replacement Procedures All-in One (AIO) Chassis - HP 1105 | Maintenance & Service Guide HP Pro 1105 All-in-One Business PC - Page 50
Memory Cover Remove the memory cover to access the memory modules (SODIMMs), WLAN module, and RTC battery. The cover is secured by one captive Phillips screws. To remove the memory cover: 1. Prepare the computer for disassembly (see Preparing to Disassemble the Computer on page 37). 2. Loosen the - HP 1105 | Maintenance & Service Guide HP Pro 1105 All-in-One Business PC - Page 51
3. Lift the cover off the computer. To replace the memory cover, reverse the removal procedures. 44 Chapter 7 Removal and Replacement Procedures All-in One (AIO) Chassis - HP 1105 | Maintenance & Service Guide HP Pro 1105 All-in-One Business PC - Page 52
These memory sockets are populated with at least one preinstalled SODIMM. To achieve the maximum memory support, you can populate the system board with ● support CAS latency 9 DDR3 1333 MHz (9-9-9 timing) ● contain the mandatory Joint Electronic Device Engineering Council (JEDEC) specification Memory - HP 1105 | Maintenance & Service Guide HP Pro 1105 All-in-One Business PC - Page 53
SODIMMS ● SODIMMs constructed with x8 and x16 devices; SODIMMs constructed with x4 SDRAM are not supported NOTE: The system will not operate properly if you install unsupported SODIMMs. There are two memory on the computer. 46 Chapter 7 Removal and Replacement Procedures All-in One (AIO) Chassis - HP 1105 | Maintenance & Service Guide HP Pro 1105 All-in-One Business PC - Page 54
1x1 Wi-Fi and Bluetooth 4.0 Combo Adapter (WLAN module) Spare part number 701396-001 701399-001 The WLAN module is secured with one screw and has one connected antenna. The module is located under the memory cover. To remove the WLAN module: 1. Prepare the computer for disassembly (see Preparing - HP 1105 | Maintenance & Service Guide HP Pro 1105 All-in-One Business PC - Page 55
WLAN module, reverse the removal procedures. NOTE: WLAN modules are designed with a notch to prevent incorrect insertion. 48 Chapter 7 Removal and Replacement Procedures All-in One (AIO) Chassis - HP 1105 | Maintenance & Service Guide HP Pro 1105 All-in-One Business PC - Page 56
38). 3. Remove the memory cover (see Memory Cover on page 43). 4. To release the battery from its holder, squeeze the metal clamp that extends above one edge of the battery. When the battery pops up, lift it out (1). RTC Battery 49 - HP 1105 | Maintenance & Service Guide HP Pro 1105 All-in-One Business PC - Page 57
5. To insert the new battery, slide one edge of the replacement battery under the holder's lip with the positive side up. Push the other edge down until the clamp snaps over the - HP 1105 | Maintenance & Service Guide HP Pro 1105 All-in-One Business PC - Page 58
Inverter Board Description Inverter board Spare part number 710541-001 The inverter board is located on the left side of the computer. It is secured with two screws and has three connectors. To remove the inverter board: 1. Prepare the computer for disassembly (see Preparing to Disassemble the - HP 1105 | Maintenance & Service Guide HP Pro 1105 All-in-One Business PC - Page 59
same converter board spare part. You must position the jumper on the converter board based on the display panel installed. Please refer to the table on the base pan near the converter board for the board and LCD panel. 52 Chapter 7 Removal and Replacement Procedures All-in One (AIO) Chassis - HP 1105 | Maintenance & Service Guide HP Pro 1105 All-in-One Business PC - Page 60
Speakers Description Speaker, left Speaker, right Spare part number 669983-001 669984-001 The speakers are located at the bottom of the computer. Two separate speakers are each secured by two screws and have separate cables and system board connectors. To remove the speakers: 1. Prepare the - HP 1105 | Maintenance & Service Guide HP Pro 1105 All-in-One Business PC - Page 61
image to determine correct routing for the speaker cables. To install the speakers, reverse the removal procedures. 54 Chapter 7 Removal and Replacement Procedures All-in One (AIO) Chassis - HP 1105 | Maintenance & Service Guide HP Pro 1105 All-in-One Business PC - Page 62
Optical Drive Description HP SuperMulti DVD Writer Drive (includes bezel) Spare part number 657958-001 The optical drive is located on the left side of the computer (viewed from behind) under the inverter board. It is secured with one screw. To remove the optical drive: 1. Prepare the computer - HP 1105 | Maintenance & Service Guide HP Pro 1105 All-in-One Business PC - Page 63
4. Use the bracket (2) to push the drive out of the bay, and then slide the drive out of the computer (3). To install an optical drive, reverse the removal procedures. 56 Chapter 7 Removal and Replacement Procedures All-in One (AIO) Chassis - HP 1105 | Maintenance & Service Guide HP Pro 1105 All-in-One Business PC - Page 64
Optical Drive Cables and Connector Description Optical drive connector cable Spare part number 669998-001 The optical drive connector is secured with two screws and has two cables that connect to the system board. To remove the optical drive connector: 1. Prepare the computer for disassembly (see - HP 1105 | Maintenance & Service Guide HP Pro 1105 All-in-One Business PC - Page 65
6. Remove the connector from the computer. To install the optical drive connector, reverse the removal procedures. 58 Chapter 7 Removal and Replacement Procedures All-in One (AIO) Chassis - HP 1105 | Maintenance & Service Guide HP Pro 1105 All-in-One Business PC - Page 66
-001 621420-001 621419-001 The hard drive is located on the left side of the computer (viewed from behind). The drive is secured with one captive screw and is housed in a removable cage. 1. Prepare the computer for disassembly (see Preparing to Disassemble the Computer on page 37). 2. Remove the - HP 1105 | Maintenance & Service Guide HP Pro 1105 All-in-One Business PC - Page 67
. 6. Slide the hard drive out of the cage (2). To replace the hard drive, reverse the removal procedures. 60 Chapter 7 Removal and Replacement Procedures All-in One (AIO) Chassis - HP 1105 | Maintenance & Service Guide HP Pro 1105 All-in-One Business PC - Page 68
NOTE: Make sure the grommets are not broken or missing before installing the hard drive. Replacement grommets are available using spare part number 669991-001. Hard Drive Cables and Connector Description Hard drive connector cable Spare part number 669997-001 The hard drive connector is secured - HP 1105 | Maintenance & Service Guide HP Pro 1105 All-in-One Business PC - Page 69
7. Remove the connector from the computer (3). To install the hard drive connector, reverse the removal procedures. 62 Chapter 7 Removal and Replacement Procedures All-in One (AIO) Chassis - HP 1105 | Maintenance & Service Guide HP Pro 1105 All-in-One Business PC - Page 70
Fan Description Fan Spare part number 669981-001 The fan is located in the middle of the computer. It is covered by a bracket and is secured with two screws. To remove the fan: 1. Prepare the computer for disassembly (see Preparing to Disassemble the Computer on page 37). 2. Remove the rear cover - HP 1105 | Maintenance & Service Guide HP Pro 1105 All-in-One Business PC - Page 71
the system board and remove it from the computer (3). To install the fan, reverse the removal procedures. 64 Chapter 7 Removal and Replacement Procedures All-in One (AIO) Chassis - HP 1105 | Maintenance & Service Guide HP Pro 1105 All-in-One Business PC - Page 72
Side I/O Cover Description Side I/O cover Spare part number 710543-001 The side I/O cover is located on the right side of the computer (viewed from behind). Press the tabs to remove it. To remove the side I/O cover: 1. Prepare the computer for disassembly (see Preparing to Disassemble the - HP 1105 | Maintenance & Service Guide HP Pro 1105 All-in-One Business PC - Page 73
it away from the computer to remove it. To replace the side I/O cover, reverse the removal procedures. 66 Chapter 7 Removal and Replacement Procedures All-in One (AIO) Chassis - HP 1105 | Maintenance & Service Guide HP Pro 1105 All-in-One Business PC - Page 74
Spare part number 710544-001 The webcam module is located at the top of the computer. It is secured with tabs (no screws) and has one connector. To remove the webcam module: 1. Prepare the computer for disassembly (see Preparing to Disassemble the Computer on page 37). 2. Remove the rear cover - HP 1105 | Maintenance & Service Guide HP Pro 1105 All-in-One Business PC - Page 75
board (3), and then remove the cable from the computer. To install a webcam module, reverse the removal procedures. 68 Chapter 7 Removal and Replacement Procedures All-in One (AIO) Chassis - HP 1105 | Maintenance & Service Guide HP Pro 1105 All-in-One Business PC - Page 76
System Board Cover The system board cover protects the system board. It is secured with four screws. To remove the system board cover: 1. Prepare the computer for disassembly (see Preparing to Disassemble the Computer on page 37). 2. Remove the rear cover (see Rear Cover on page 38). 3. Remove the - HP 1105 | Maintenance & Service Guide HP Pro 1105 All-in-One Business PC - Page 77
5. Lift the outer side of the cover up to a 45-degree angle, and then lift the cover off the computer (3). To install the system board cover, reverse the removal procedures. 70 Chapter 7 Removal and Replacement Procedures All-in One (AIO) Chassis - HP 1105 | Maintenance & Service Guide HP Pro 1105 All-in-One Business PC - Page 78
the system board. Spare part number 669996-001 To remove the display cable: 1. Prepare the computer for disassembly (see Preparing to Disassemble from the system board (1). 5. Disconnect the cable from the display panel by pressing in the latches on the side of the cable connector (2) and pulling - HP 1105 | Maintenance & Service Guide HP Pro 1105 All-in-One Business PC - Page 79
6. Remove the cable from the metal clips (4) built into the computer. 7. Remove the cable from the computer. To install the display cable, reverse the removal procedures. 72 Chapter 7 Removal and Replacement Procedures All-in One (AIO) Chassis - HP 1105 | Maintenance & Service Guide HP Pro 1105 All-in-One Business PC - Page 80
System Board Description System board Spare part number 669973-001 The system board is secured with nine screws. To remove the system board: 1. Prepare the computer for disassembly (see Preparing to Disassemble the Computer on page 37). 2. Remove the rear cover (see Rear Cover on page 38). 3. - HP 1105 | Maintenance & Service Guide HP Pro 1105 All-in-One Business PC - Page 81
bracket straight up and out of the computer. To install the security bracket, reverse the removal procedures. 74 Chapter 7 Removal and Replacement Procedures All-in One (AIO) Chassis - HP 1105 | Maintenance & Service Guide HP Pro 1105 All-in-One Business PC - Page 82
Description Front bezel Spare part number 710542-001 The front bezel is located on the front of the computer and is secured to the display panel bracket with 6 screws. You can remove the bezel without removing most of the main computer components, which the following procedure demonstrates. To - HP 1105 | Maintenance & Service Guide HP Pro 1105 All-in-One Business PC - Page 83
display panels Backlight cable for use with LG display panels Spare part number 710538-001 710539-001 710540-001 710536-001 710537-001 The display panel is secured to the display remove the display panel: screws that secure the display panel to the bracket. secures the display panels uses letters - HP 1105 | Maintenance & Service Guide HP Pro 1105 All-in-One Business PC - Page 84
Panel manufacturer AUO CMI LG Screw hole label A B C AUO and LG panels: NOTE: Shown with computer not completely disassembled. You do not have to remove most components to replace the display. Display Panel 77 - HP 1105 | Maintenance & Service Guide HP Pro 1105 All-in-One Business PC - Page 85
display. 10. Disconnect the display cable from the display panel. 11. Lift the bracket assembly off the display panel. To install a display panel, reverse the removal procedures. Multiple display the jumper on the converter board based on the display panel installed. Please refer to the table on the - HP 1105 | Maintenance & Service Guide HP Pro 1105 All-in-One Business PC - Page 86
Panel manufacturer LG CMI AUO Jumper setting 1 2 3 Display Panel 79 - HP 1105 | Maintenance & Service Guide HP Pro 1105 All-in-One Business PC - Page 87
, refer to the Safety & Regulatory Information guide. Before You Call for Technical Support If you are having problems with the computer, try the appropriate solutions below to try to isolate the exact problem before calling for technical support. ● Run the HP diagnostic tool. ● Run the hard drive - HP 1105 | Maintenance & Service Guide HP Pro 1105 All-in-One Business PC - Page 88
HP support, use HP Instant Support Professional Edition's online chat feature. Access HP Instant Support Professional Edition at: http://www.hp.com/ go/ispe. Access the Business Support Center (BSC) at http://www.hp.com/go/bizsupport for the latest online support information, software and drivers - HP 1105 | Maintenance & Service Guide HP Pro 1105 All-in-One Business PC - Page 89
Installation Problems on page 105 for instructions. ● Be sure that all the needed device drivers have been installed. For example, if you are using a printer, you need a driver for that model printer. ● to prevent system board or component damage. 82 Appendix A Troubleshooting Without Diagnostics - HP 1105 | Maintenance & Service Guide HP Pro 1105 All-in-One Business PC - Page 90
Problems Computer appears locked up and will not turn off when the power button is pressed. Cause Solution Software control of the power switch Computer date and time display is incorrect. Cause RTC problem persists, replace the RTC battery. See the Removal and Replacement section for instructions - HP 1105 | Maintenance & Service Guide HP Pro 1105 All-in-One Business PC - Page 91
using Computer Setup. In case of forgotten password, power loss, or computer malfunction, you must manually disable the Smart Cover lock . A key to unlock the Smart Cover Lock is not available from HP. Keys are typically available from a hardware store. Poor performance. Cause Processor is too hot - HP 1105 | Maintenance & Service Guide HP Pro 1105 All-in-One Business PC - Page 92
Table A-1 Solving General Problems (continued) Poor performance. Cause Solution Virus resident on the hard , and the click OK. Some software applications, especially games, are stressful on the graphics subsystem. 1. Lower the display resolution for the current application or consult - HP 1105 | Maintenance & Service Guide HP Pro 1105 All-in-One Business PC - Page 93
set to the appropriate voltage. Proper voltage setting depends on your region. 2. Remove the expansion cards one at a time until the 5V_aux light on the system board turns on. 3. Replace the system board power supply. 6. Replace the system board. 86 Appendix A Troubleshooting Without Diagnostics - HP 1105 | Maintenance & Service Guide HP Pro 1105 All-in-One Business PC - Page 94
Problems Power supply shuts down intermittently. Cause If equipped with a voltage selector, voltage selector switch on rear of computer chassis (some models) not switched Solution Select the proper AC voltage using the selector switch. Replace the power supply. Computer powered off automatically - HP 1105 | Maintenance & Service Guide HP Pro 1105 All-in-One Business PC - Page 95
. 3. Check if a device is causing the problem by removing ALL attached devices (such as hard then power off and replace one device at a time and repeat this the failure. Continue adding devices one at a time to ensure all is being used on the All-in One or USDT. The power supply adapter must - HP 1105 | Maintenance & Service Guide HP Pro 1105 All-in-One Business PC - Page 96
, check to see if the device is listed within Computer Setup. If it is listed, the probable cause is a driver problem. If it is not listed, the probable cause is a hardware problem. If this is a newly installed drive, run the Computer Setup utility and try adding a POST delay under Advanced > Power - HP 1105 | Maintenance & Service Guide HP Pro 1105 All-in-One Business PC - Page 97
on page 127 to determine possible causes for the blinking red and beep codes. See the Worldwide Limited Warranty for terms and conditions. 90 Appendix A Troubleshooting Without Diagnostics - HP 1105 | Maintenance & Service Guide HP Pro 1105 All-in-One Business PC - Page 98
the power button for four or more seconds to turn off the power. To restart the computer, press the power button again. Solving Hard Drive Problems 91 - HP 1105 | Maintenance & Service Guide HP Pro 1105 All-in-One Business PC - Page 99
Solving Media Card Reader Problems Table A-4 Solving Media Card Reader Problems Media card will not work in a digital The media card is not inserted properly, is inserted in the wrong slot, or is not supported. Ensure that the card is inserted properly with the gold contact on the correct side. The - HP 1105 | Maintenance & Service Guide HP Pro 1105 All-in-One Business PC - Page 100
remove a media card correctly. Cause The computer's software is used to safely eject the card. Solution In if the reader was just installed into the computer and you are turning the PC on for the first time. Wait a few seconds so that the operating system . Solving Media Card Reader Problems 93 - HP 1105 | Maintenance & Service Guide HP Pro 1105 All-in-One Business PC - Page 101
monitor and to the common causes and solutions listed in the following table. Table A-5 Solving Display Problems Blank screen (no video). Cause Solution Monitor is not turned on and the monitor light is on the onscreen controls and settings. 94 Appendix A Troubleshooting Without Diagnostics - HP 1105 | Maintenance & Service Guide HP Pro 1105 All-in-One Business PC - Page 102
. 1. Reseat DIMMs. Power on the system. 2. Replace DIMMs one at a time to isolate the faulty module. 3. Replace third-party memory with HP memory. 4. Replace the system board. Blank screen and the power card (if applicable) or video connector and the monitor. Solving Display Problems 95 - HP 1105 | Maintenance & Service Guide HP Pro 1105 All-in-One Business PC - Page 103
drivers included in the upgrade kit. drivers may not be loaded. Monitor is not capable of displaying to the documentation that came with the monitor for instructions. Image is not centered. Cause Position may "No Connection, Check Signal Cable" displays on screen. Cause Solution Monitor video - HP 1105 | Maintenance & Service Guide HP Pro 1105 All-in-One Business PC - Page 104
displays on screen. Cause Video resolution and refresh rate are set higher than what the monitor supports. Solution Restart the computer and enter Safe Mode. Change the settings to a supported PC Settings, select General, and then under Advanced startup, click Restart now. 3. Select Troubleshoot, - HP 1105 | Maintenance & Service Guide HP Pro 1105 All-in-One Business PC - Page 105
card. 2. Manually synchronize the Clock and Clock Phase on- screen display functions. To download a SoftPaq that will assist you with the synchronization, go to the following Web site, select the appropriate monitor, and download either SP32347 or SP32202: http://www.hp.com/support Graphics - HP 1105 | Maintenance & Service Guide HP Pro 1105 All-in-One Business PC - Page 106
table. Table A-6 Solving Audio Problems Sound cuts in and out. out of the speaker or headphones. Cause Solution Software volume control is turned down or muted. Double- different audio device than speakers. Some graphics cards support audio over the DisplayPort connection (if applicable), - HP 1105 | Maintenance & Service Guide HP Pro 1105 All-in-One Business PC - Page 107
driver or application software, reconfigure the software. jack or set the jack to its default value. There is no sound or sound volume is too low. Cause The application is set to use a different audio device than speakers. Solution Some graphics cards support A Troubleshooting Without Diagnostics - HP 1105 | Maintenance & Service Guide HP Pro 1105 All-in-One Business PC - Page 108
to the common causes and solutions listed in the following table. Table A-7 Solving Printer Problems Printer will not print. Cause Printer is not turned on and online. The correct printer drivers for the application are not installed. If you are on a network, you may not have made the connection - HP 1105 | Maintenance & Service Guide HP Pro 1105 All-in-One Business PC - Page 109
. Printer memory may be overloaded. Solution Reconnect all cables. Reset the printer by turning it off for one minute, then turn it back on. Printer will not print. Cause The printer may be out of paper. Solution Check the paper tray and refill it if it is empty. 102 Appendix A Troubleshooting - HP 1105 | Maintenance & Service Guide HP Pro 1105 All-in-One Business PC - Page 110
documentation that came with the equipment and to the common causes and solutions listed in the following table. Table A-8 Solving Keyboard Problems A wireless keyboard/mouse is not working correctly. Symptoms include lagging mouse movement, jumpy mouse/ keyboard, or no function of mouse/keyboard - HP 1105 | Maintenance & Service Guide HP Pro 1105 All-in-One Business PC - Page 111
Mouse Problems Mouse does not respond to movement or is too slow. Cause Solution Mouse connector is not properly plugged into the back of the Shut down the computer using the keyboard. computer. Windows 7: 1. Press the Ctrl and Esc keys at the same time (or press the Windows logo key) to display - HP 1105 | Maintenance & Service Guide HP Pro 1105 All-in-One Business PC - Page 112
, use the Add Hardware Wizard and follow the instructions that appear on the screen. To open the touching. Table A-10 Solving Hardware Installation Problems A new device is not recognized as the cable or connector are not bent down. Power switch of new external device is not turned on. Turn - HP 1105 | Maintenance & Service Guide HP Pro 1105 All-in-One Business PC - Page 113
for specific problems. 3. If you still cannot resolve the issue, contact Customer Support. DIMMs. Power on the system. 2. Replace DIMMs one at a time to isolate the faulty module. DIMM4 3. Replace third-party memory with HP memory. 4. Replace the system board. Troubleshooting Without Diagnostics - HP 1105 | Maintenance & Service Guide HP Pro 1105 All-in-One Business PC - Page 114
Solution Bad option card. 1. Check each option card by removing the cards one at time (if multiple cards), then power on the system to see if the process of debugging the network cabling. Table A-11 Solving Network Problems Wake-on-LAN feature is not functioning. Cause S5 Maximum Power Saving - HP 1105 | Maintenance & Service Guide HP Pro 1105 All-in-One Business PC - Page 115
list of applications, and then select Device Manager. Network driver is not properly loaded. Reinstall network drivers. System cannot autosense the network. Disable auto-sensing capabilities and force the system into the correct operating mode. 108 Appendix A Troubleshooting Without Diagnostics - HP 1105 | Maintenance & Service Guide HP Pro 1105 All-in-One Business PC - Page 116
cause. Cause Solution The files containing the network drivers are corrupted. Reinstall the network drivers using the Recovery Disc Set in Windows 7 or Windows recovery tools in Windows 8. If necessary, download the softpaq from the web (from a different computer). Solving Network Problems 109 - HP 1105 | Maintenance & Service Guide HP Pro 1105 All-in-One Business PC - Page 117
drivers for your NIC. System setup utility reports unprogrammed EEPROM. Cause Unprogrammed EEPROM. Solution Contact an authorized service provider. Solving Memory Problems If you encounter memory problems that support ECC memory, HP does not support mixing to download, decompress, and - HP 1105 | Maintenance & Service Guide HP Pro 1105 All-in-One Business PC - Page 118
but LEDs continue flashing.) Cause Solution Memory is installed incorrectly or is bad. 1. Reseat DIMMs. Power on the system. 2. Replace DIMMs one at a time to isolate the faulty module. 3. Replace third-party memory with HP memory. 4. Replace the system board. Solving Memory Problems 111 - HP 1105 | Maintenance & Service Guide HP Pro 1105 All-in-One Business PC - Page 119
second pause. Cause Solution The current processor does not support a feature previously 1. Install a TXT (Trusted Execution Technology with the optional device. Table A-14 Solving CD-ROM and DVD Problems System will not boot from CD-ROM or DVD drive. Cause Troubleshooting Without Diagnostics - HP 1105 | Maintenance & Service Guide HP Pro 1105 All-in-One Business PC - Page 120
it is listed, the probable cause is a driver problem. If it is not listed, the probable cause is a hardware problem. If this is a newly installed drive, run . Cause Movie may be regionalized for a different country. Decoder software is not installed. Damaged media. Movie rating locked out by - HP 1105 | Maintenance & Service Guide HP Pro 1105 All-in-One Business PC - Page 121
Manager. 2. Restart the computer and let Windows detect the CD or DVD driver. Recording or copying CDs is difficult or impossible. Cause Wrong or poor Problems If you encounter USB flash drive problems, common causes and solutions are listed in the following table. 114 Appendix A Troubleshooting - HP 1105 | Maintenance & Service Guide HP Pro 1105 All-in-One Business PC - Page 122
Table A-15 Solving USB Flash Drive Problems USB flash drive is not seen as a drive letter in Windows. Cause Solution The drive letter after the last physical drive only after the operating system boots. Flash drive is defective. Try a different flash drive. Solving USB Flash Drive Problems 115 - HP 1105 | Maintenance & Service Guide HP Pro 1105 All-in-One Business PC - Page 123
one end is connected to the device and one end is connected to a live outlet. The correct device driver is not installed. 1. Install the correct driver USB Security. Solving Internet Access Problems If you encounter Internet access problems, consult your Internet Service Provider (ISP) or refer - HP 1105 | Maintenance & Service Guide HP Pro 1105 All-in-One Business PC - Page 124
Web server can store temporarily with the Web browser. This is useful for having the browser remember some specific information that the Web server can later retrieve.) Windows 7: 1. Select Start > Control Panel. 2. on to your ISP and launch the desired program. Solving Internet Access Problems 117 - HP 1105 | Maintenance & Service Guide HP Pro 1105 All-in-One Business PC - Page 125
-installed operating system, check to be sure it is supported on the system. If you encounter software problems, see the applicable solutions listed in the following table. Computer will not continue and the HP logo does not display. Cause Solution ROM issue - POST error has occurred. Observe - HP 1105 | Maintenance & Service Guide HP Pro 1105 All-in-One Business PC - Page 126
not continue after HP logo screen displays. Cause Solution System files may be damaged. In Windows 7, use recovery media to scan hard drive for errors, or use Windows Startup Repair to fix problems that might prevent Windows from starting correctly. Windows Startup Repair is one of the recovery - HP 1105 | Maintenance & Service Guide HP Pro 1105 All-in-One Business PC - Page 127
to an authorized reseller, dealer, or service provider for service, remember to provide the setup and power-on passwords if they are set. Refer to the number listed in the warranty or in the Support Telephone Numbers guide for technical assistance. 120 Appendix A Troubleshooting Without Diagnostics - HP 1105 | Maintenance & Service Guide HP Pro 1105 All-in-One Business PC - Page 128
by the operating system or other software components. ● Failure ID: When support or provide replacement parts. How to access and run HP PC Hardware Diagnostics You can run the diagnostics from one (to download the diagnostics tools to a USB drive, see the instructions in Downloading HP PC Hardware - HP 1105 | Maintenance & Service Guide HP Pro 1105 All-in-One Business PC - Page 129
Downloading HP PC Hardware Diagnostics to a USB device 1. Go to http://www.hp.com. 2. Click the Support & Drivers link. 3. Select the Drivers & Software tab. 4. Enter the product name in the text box and click Search. 5. Select your specific computer model. 6. Select your operating system. 7. In the - HP 1105 | Maintenance & Service Guide HP Pro 1105 All-in-One Business PC - Page 130
select from the list of displayed options. NOTE: For detailed instructions on various backup and restore options, perform a search for these topics in Help and Support. From the Start screen, type h, and then select Help and Support. In case of system instability, HP recommends that you print the - HP 1105 | Maintenance & Service Guide HP Pro 1105 All-in-One Business PC - Page 131
of displayed options. 2. Follow the on-screen instructions to set Repair to fix problems that might the Windows operating system and software programs installed at the factory Support. 1. If possible, back up all personal files. 2. If possible, check for the presence of the HP the Driver Recovery - HP 1105 | Maintenance & Service Guide HP Pro 1105 All-in-One Business PC - Page 132
logo is displayed. The computer Startup Menu displays. 4. Press f11 to select the System Recovery option. 5. Follow the on-screen instructions. Using Windows 8 operating system media (purchased separately) To order Windows 8 operating system media, go to http://www.hp.com/support, select your - HP 1105 | Maintenance & Service Guide HP Pro 1105 All-in-One Business PC - Page 133
, press any keyboard key. 4. Follow the on-screen instructions. After the repair is completed: 1. Remove the Windows 8 operating system media, and then insert the Driver Recovery media. 2. Install the Hardware Enabling Drivers first, and then install Recommended Applications. 126 Appendix C Backup - HP 1105 | Maintenance & Service Guide HP Pro 1105 All-in-One Business PC - Page 134
source of the problem, and steps you can take to resolve the error condition. POST Message Disabled suppresses most system messages during POST, such as memory count and non-error text messages. If a POST error occurs, the screen will display the error message. To manually switch to the POST - HP 1105 | Maintenance & Service Guide HP Pro 1105 All-in-One Business PC - Page 135
POST text message is displayed on the screen. Control download during POST. 1. In Computer Setup, set Advanced > Device Options > NIC PXE Option ROM Download Setup can also be used). If the problem persists, replace the RTC battery. 164-MemorySize test using HP-only memory. 4. Verify proper - HP 1105 | Maintenance & Service Guide HP Pro 1105 All-in-One Business PC - Page 136
1. If additional memory was recently ECC memory error correction. added, remove it to see if the problem remains. 2. Check product documentation for memory support information. Keyboard failure. 1. Reconnect keyboard with computer turned off. 2. Check connector for bent or missing pins - HP 1105 | Maintenance & Service Guide HP Pro 1105 All-in-One Business PC - Page 137
initialize There is an incompatibility/problem with this device and the hp.com/support.) 3. Back up contents and replace hard drive. 1801-Microcode Patch Error Processor is not supported preheated air. 2200-PMM Allocation Error during MEBx Download Memory error during POST execution of the 1. - HP 1105 | Maintenance & Service Guide HP Pro 1105 All-in-One Business PC - Page 138
Control panel message Description Recommended action 2201-MEBx Module did not checksum correctly Memory error during POST execution of the 1. Management Engine (ME) BIOS Extensions option ROM. 2. Reboot the computer. Unplug the power cord, re-seat the memory modules, and reboot the computer. - HP 1105 | Maintenance & Service Guide HP Pro 1105 All-in-One Business PC - Page 139
a valid version third party management console for the current ME firmware. software. 2. If the error persists and system BIOS has been recently updated, execution which fails into the "General" grouping. Status information displayed along with the error provides further clarity into the failure. - HP 1105 | Maintenance & Service Guide HP Pro 1105 All-in-One Business PC - Page 140
Control panel message Network Server Mode Active and No Keyboard Attached Parity Check 2 Description Keyboard failure while Network Server Mode enabled. Parity RAM failure or a PCI/PCIe device is asserting a SERR#. Recommended action 1. Reconnect keyboard with computer turned off. 2. Check - HP 1105 | Maintenance & Service Guide HP Pro 1105 All-in-One Business PC - Page 141
the connector on the system board. 2. Check if a device is causing the problem by removing ALL attached devices (such as hard, diskette, or optical drives, Reseat DIMMs. 2. Replace DIMMs one at a time to isolate the faulty module. 3. Replace third-party memory with HP memory. 4. Replace the system - HP 1105 | Maintenance & Service Guide HP Pro 1105 All-in-One Business PC - Page 142
after fifth iteration but LEDs continue until problem is solved. Red Power LED flashes 11 Bad option card. The current processor does not support a feature previously enabled on this system. 1. . 1. Check each option card by removing the card (one at a time if multiple cards), then power on the - HP 1105 | Maintenance & Service Guide HP Pro 1105 All-in-One Business PC - Page 143
Red Power LED flashes twelve iteration but LEDs continue until problem is solved. System does not power on and LEDs are If it is turned on, then replace the power button harness. If the problem persists, replace the system board. 5. If the 5V_aux light on the system board is not turned on, - HP 1105 | Maintenance & Service Guide HP Pro 1105 All-in-One Business PC - Page 144
100-120 or 220-240 volts AC. Power supplies on those computers that do not have external power switches are equipped with internal switches that sense the incoming voltage and automatically switch to the proper voltage. The power cord set received with the computer meets the requirements for use in - HP 1105 | Maintenance & Service Guide HP Pro 1105 All-in-One Business PC - Page 145
Requirements Additional requirements specific to a country are shown in parentheses and explained below. Country Accrediting Agency Country Accrediting Agency Australia (1) EANSW Italy (1) IMQ Austria (1) OVE Japan (3) METI Belgium (1) CEBC - HP 1105 | Maintenance & Service Guide HP Pro 1105 All-in-One Business PC - Page 146
F Specifications All-in One Model Desktop Dimensions Width Depth Height Approximate Weight (includes stand) Temperature Range Operating Nonoperating Relative Humidity (noncondensing) Operating 5° to 35°C -30° to 66°C 15-80% at 26°C 0 - 2000 m 4,572 m 100-240 V 50-60 Hz - HP 1105 | Maintenance & Service Guide HP Pro 1105 All-in-One Business PC - Page 147
spare part number 32, 36 hard drive connector removing 61 hard drive problems 89 hard drive recovery 125 hardware installation problems 105 helpful hints 81 HP Business Digital Headset, spare part number 34 I Internet access problems 116 inverter spare part number 31, 36 inverter board removing 51 - HP 1105 | Maintenance & Service Guide HP Pro 1105 All-in-One Business PC - Page 148
103 network 107 power 87 printer 101 processor 112 software 118 processor problems 112 R rear components 4 rear cover removing 38, 43 spare part number 31 recovery partition 125 removal and replacement procedures 57, 61 All-in One chassis 37 display cable 71 display panel 76 fan 63 foot assembly - HP 1105 | Maintenance & Service Guide HP Pro 1105 All-in-One Business PC - Page 149
V ventilation, proper 26 W Wake-on-LAN feature 107 webcam cable, spare part number 32, 35 webcam module removing 67 spare part number 33 Windows 8 operating system DVD 125 WLAN module removing 47 spare part number 33, 36 142 Index
Maintenance & Service Guide
HP Pro 1105 All-in-One Business PC