HP 240 HP 450 Notebook PC and HP 455 Notebook PC Maintenance and Service Guide
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- HP 240 | HP 450 Notebook PC and HP 455 Notebook PC Maintenance and Service Guide - Page 1
HP 240 Notebook PC and HP 245 Notebook PC Maintenance and Service Guide - HP 240 | HP 450 Notebook PC and HP 455 Notebook PC Maintenance and Service Guide - Page 2
the U.S. and other countries. Microsoft and Windows are U.S. registered trademarks of Microsoft Corporation. HP products and services are set forth in the express warranty statements accompanying such products and services. Nothing herein should be construed as constituting an additional warranty. HP - HP 240 | HP 450 Notebook PC and HP 455 Notebook PC Maintenance and Service Guide - Page 3
or obstruct the device air vents. Use the device only on a hard, flat surface. Do not allow another hard surface, such as an adjoining optional printer, or a soft surface, such as pillows or rugs or clothing, to block airflow. Also, do not allow the AC adapter to contact the skin or - HP 240 | HP 450 Notebook PC and HP 455 Notebook PC Maintenance and Service Guide - Page 4
iv Safety warning notice - HP 240 | HP 450 Notebook PC and HP 455 Notebook PC Maintenance and Service Guide - Page 5
...15 Keys ...16 Bottom ...17 3 Illustrated parts catalog ...18 Computer major components ...18 Display assembly subcomponents ...23 Mass storage devices ...25 33 Preliminary replacement requirements 33 Tools required ...33 Service considerations ...33 Plastic parts ...33 Cables and connectors - HP 240 | HP 450 Notebook PC and HP 455 Notebook PC Maintenance and Service Guide - Page 6
Determining the BIOS version 103 Downloading a BIOS update 103 Using Advanced System Diagnostics 104 Windows 8 - Computer Setup (BIOS) and Advanced System Diagnostics 105 Using Computer Setup ...105 Starting Computer Setup 105 Navigating and selecting in Computer Setup 105 Restoring factory - HP 240 | HP 450 Notebook PC and HP 455 Notebook PC Maintenance and Service Guide - Page 7
tools 118 Using f11 recovery tools 119 Using Windows 8 operating system media (purchased separately 119 Using Windows Refresh for quick and easy recovery 120 Remove everything and reinstall Windows 120 Using HP Software Setup 121 8 Power cord set requirements ...122 Requirements for all - HP 240 | HP 450 Notebook PC and HP 455 Notebook PC Maintenance and Service Guide - Page 8
viii - HP 240 | HP 450 Notebook PC and HP 455 Notebook PC Maintenance and Service Guide - Page 9
equipped with an Intel processor Product name HP 245 Notebook PC √ HP 240 Notebook PC √ Processors AMD E2-1800 1.70-GHz processor (1333-MHz memory √ speed, dual core, 18 W) NOTE: This processor is not available on computer models equipped with Windows 7 Starter 32 operating system. AMD E1 - HP 240 | HP 450 Notebook PC and HP 455 Notebook PC Maintenance and Service Guide - Page 10
processor Intel Core i3-3110M 2.40-GHz processor (3.0-MB L3 cache, √ dual core, 35 W) NOTE: This processor is not available on computer models equipped with Windows 7 Starter 32 operating system. Intel Core i3-2370M 2.40-GHz processor (3.0-MB L3 cache, √ dual core, 35 W) NOTE: This processor - HP 240 | HP 450 Notebook PC and HP 455 Notebook PC Maintenance and Service Guide - Page 11
graphics: AMD Radeon HD 7450M Graphics with 1024-MB of √ dedicated video memory (128Mx16 DDR3 900-MHz x 4 PCs; supports DirectX 11) NOTE: This graphics solution is not available on computer models equipped with Windows 7 Starter operating system. UMA graphics: AMD Radeon HD 7340 Graphics (on - HP 240 | HP 450 Notebook PC and HP 455 Notebook PC Maintenance and Service Guide - Page 12
computer models equipped with √ an Intel Core i5-3210M or i3-3110M processor; supports DirectX 11) Intel HD Graphics 3000 (on computer models (4096×1 or 2048×2; not supported with Windows 7 Starter 32 operating system) ● 2048-MB total system memory (2048×1) Supports 6.35-cm (2.5-in) hard - HP 240 | HP 450 Notebook PC and HP 455 Notebook PC Maintenance and Service Guide - Page 13
Computer models equipped with an Intel processor Supports the following hard drives: √ √ ● 750-GB, 5400-rpm, 9.5-mm (not supported with Windows 7 Starter OS) ● 640-GB, 5400-rpm, 9.5-mm (not supported with Windows √ √ Supports Microsoft Premium requirements √ √ HP TrueVision HD webcam - HP 240 | HP 450 Notebook PC and HP 455 Notebook PC Maintenance and Service Guide - Page 14
, and √ √ pinch-zoom enabled Taps enabled by default √ √ Power For computer systems with discrete graphics: requirements 90-W PFC RC V HP Smart AC adapter with localized cable √ plug support (3-wire plug with ground pin, supports 3-pin DC connector; for use in all countries except China - HP 240 | HP 450 Notebook PC and HP 455 Notebook PC Maintenance and Service Guide - Page 15
Serviceability Description Support for the following batteries: ● 6-cell, 55-Whr, 2.55-Ah Li-ion battery ● 6-cell, 47-Whr, 2.20-Ah Li-ion battery Security cable slot Preinstalled: Computer models equipped with an AMD processor Computer models equipped with an Intel processor √ √ √ √ Windows - HP 240 | HP 450 Notebook PC and HP 455 Notebook PC Maintenance and Service Guide - Page 16
2 External component identification Front Component Speakers (2) Description Produce sound. 8 Chapter 2 External component identification - HP 240 | HP 450 Notebook PC and HP 455 Notebook PC Maintenance and Service Guide - Page 17
and the battery is charged. ● Amber: The AC adapter is connected and the battery is charging. ● Off: The computer is using DC power. Connects an AC adapter. Attaches an optional security cable to the computer. NOTE: The security cable is designed to act as a deterrent, but it may not prevent the - HP 240 | HP 450 Notebook PC and HP 455 Notebook PC Maintenance and Service Guide - Page 18
. Connects an optional computer headset microphone, stereo array microphone, or monaural microphone. Connects optional powered stereo speakers, headphones, a device is connected to a headphone jack, the computer speakers are disabled. Supports the following digital card formats: ● Secure Digital (SD - HP 240 | HP 450 Notebook PC and HP 455 Notebook PC Maintenance and Service Guide - Page 19
: The hard drive is being accessed. ● White: The computer is on. ● Blinking white: The computer is in the Sleep state, which is an energy-saving mode. The computer shuts off power to the display and other unneeded components. ● Off: The computer is off or in Hibernation. Hibernation is an energy - HP 240 | HP 450 Notebook PC and HP 455 Notebook PC Maintenance and Service Guide - Page 20
power is on. NOTE: The internal display switch is not visible from the outside of the computer and online chat by means of streaming video. To use the webcam in WIndows 7: Select Support. To access Help and Support in Windows 8, from the Start screen, type help, and then select Help and Support - HP 240 | HP 450 Notebook PC and HP 455 Notebook PC Maintenance and Service Guide - Page 21
Top TouchPad Component (1) (2) TouchPad on/off button TouchPad light (3) TouchPad zone (4) Left TouchPad button (5) Right TouchPad button Description Turns the TouchPad on or off. ● On: The TouchPad is off. ● Off: The TouchPad is on. Moves the on-screen pointer and selects or activates - HP 240 | HP 450 Notebook PC and HP 455 Notebook PC Maintenance and Service Guide - Page 22
the keys to all capital letters. ● White: The computer is on. ● Blinking white: The computer is in the Sleep state, which is an energy-saving mode. The computer shuts off power to the display and other unneeded components. ● Off: The computer is off or in Hibernation. Hibernation is an energy - HP 240 | HP 450 Notebook PC and HP 455 Notebook PC Maintenance and Service Guide - Page 23
5 seconds to turn off the computer. To learn more about your power settings: In Windows 7, select Start > Control Panel > System and Security > Power Options, or refer to the user guides included with your computer. In Windows 8, from the Start screen, type power options, click Settings, and then - HP 240 | HP 450 Notebook PC and HP 455 Notebook PC Maintenance and Service Guide - Page 24
Description Displays system information when pressed in combination with the fn key. Displays system information when pressed in combination with the esc key. Windows 7: Displays the Windows Start menu. Windows 8: Returns you to the Start screen from an open app or the Desktop. NOTE: Pressing the - HP 240 | HP 450 Notebook PC and HP 455 Notebook PC Maintenance and Service Guide - Page 25
then receive a warning message, remove the module to restore computer functionality, and then contact support through Help and Support. To access Help and Support in Windows 8, from the Start screen, type help, and then select Help and Support from the list of apps. Contains the hard drive. Bottom - HP 240 | HP 450 Notebook PC and HP 455 Notebook PC Maintenance and Service Guide - Page 26
3 Illustrated parts catalog Computer major components 18 Chapter 3 Illustrated parts catalog - HP 240 | HP 450 Notebook PC and HP 455 Notebook PC Maintenance and Service Guide - Page 27
For use in Thailand 698694-281 For use in the United States 698694-001 Power button board (includes cable) 685098-001 Top cover (includes TouchPad) For use use only with computer models equipped with an AMD E2-1800 processor ● Models without Windows 8 ● Models with Windows 8 Standard 688853- - HP 240 | HP 450 Notebook PC and HP 455 Notebook PC Maintenance and Service Guide - Page 28
an Intel Core i5 or i3 processor and a graphics subsystem with UMA video memory ● Models without Windows 8 ● Models with Windows 8 Standard ● Models with Windows 8 Professional For use only with computer models equipped with an Intel Core i5 or i3 processor and a graphics subsystem with UMA video - HP 240 | HP 450 Notebook PC and HP 455 Notebook PC Maintenance and Service Guide - Page 29
(13) (14) (15) (16) Component ● Models without Windows 8 ● Models with Windows 8 Standard ● Models with Windows 8 Professional Power connector cable RTC battery Processor (includes replacement thermal materials): Intel Core 677153-001 690536-001 675794-001 655795-001 Computer major components 21 - HP 240 | HP 450 Notebook PC and HP 455 Notebook PC Maintenance and Service Guide - Page 30
Item (17) (18) (19) (20) (21) Component Spare part number Broadcom 4313GN 802.11b/g/n 1x1 WiFi and 20702 Bluetooth 4.0 Combo Adapter 657325-001 Ralink WLAN Ralink Ripple3 RT5390F_802.11 b/g/n 1x1 PCIe HMC 670691-001 Atheros AR9565 802.11bgn 1x1 WiFi + BT4.0 combo Adapter 690019-001 Ralink - HP 240 | HP 450 Notebook PC and HP 455 Notebook PC Maintenance and Service Guide - Page 31
Display assembly subcomponents Item (1) (2) (3) Component Display bezel (includes Mylar screw covers) Webcam/microphone module: HP TrueVision HD webcam/microphone module HP VGA webcam/microphone module Display panel: 35.6-cm (14.0-in), HD, LED, BrightView display panel Spare part number 685081- - HP 240 | HP 450 Notebook PC and HP 455 Notebook PC Maintenance and Service Guide - Page 32
Item (4a) (4b) (5) (6) (7) (8) Component 35.6-cm (14.0-in), HD, LED, Anti-glare display panel Hinge covers (includes Mylar screw covers): Top hinge covers Side hinge covers Hinges (includes Mylar screw covers) Display cable (includes display panel cable and webcam/microphone cable; also includes - HP 240 | HP 450 Notebook PC and HP 455 Notebook PC Maintenance and Service Guide - Page 33
Mass storage devices Item (1) (2a) Component Spare part number Hard drive (6.35-cm (2.5-in), SATA; does not include hard drive cable or bracket): NOTE: The hard drive cable and bracket are included in the Hard Drive Hardware Kit, spare part number 685089-001. 750-GB, 5400-rpm, 9.5-mm 634250- - HP 240 | HP 450 Notebook PC and HP 455 Notebook PC Maintenance and Service Guide - Page 34
Item (2b) (3) (4) Component Hard drive cable Optical drive (DVD±RW and CD-RW Super Multi Double-Layer Combo Drive; includes rear optical drive bracket but does not include optical drive cable or cable bracket) NOTE: The optical drive cable and cable bracket are included in the optical drive cable - HP 240 | HP 450 Notebook PC and HP 455 Notebook PC Maintenance and Service Guide - Page 35
use in China and India only) For use with computer models equipped with UMA graphics: 65-W RC V HP Smart AC adapter (for use in all countries except China and India) 65-W RC V EM HP Smart AC adapter (for use in China and India only) Power cord (3-pin, black, 1.83-m): For use in Argentina For - HP 240 | HP 450 Notebook PC and HP 455 Notebook PC Maintenance and Service Guide - Page 36
flag designations: A = Mandatory B = Optional C = Service technician recommended N = Non-user replaceable Spare part number Power cord for use in Taiwan (3-pin, black, 1.83-m) Power cord for use in South Korea (3-pin, black, 1.83-m) Power cord for use in Argentina (3-pin, black, 1.83-m) Power - HP 240 | HP 450 Notebook PC and HP 455 Notebook PC Maintenance and Service Guide - Page 37
.11 b/g/n 1x1 PCIe HMC Atheros AR9485 802.11b/g/n 1x1 WiFi Adapter Intel Core i5 2450, 2.50-GHz processor (3.0-MB L3 cache, dual core, 35 W) Intel Pentium B970, cable (includes cable bracket) Power connector cable Fan/heat sink assembly for use only with computer models equipped with an Intel - HP 240 | HP 450 Notebook PC and HP 455 Notebook PC Maintenance and Service Guide - Page 38
system board for use in Brazil and India only; includes replacement thermal materials) HP VGA webcam/microphone module Display enclosure (includes Mylar screw covers) System board for use only with computer models without Windows 8 and equipped with an Intel Core i5 or i3 processor and a graphics - HP 240 | HP 450 Notebook PC and HP 455 Notebook PC Maintenance and Service Guide - Page 39
for use in all countries except China and India) 90-W PFC RC V EM HP Smart AC adapter for use with computer models equipped with discrete graphics (for use in China and India only) System board for use only with computer models without Windows 8 and equipped with an Intel Core i5 or i3 processor and - HP 240 | HP 450 Notebook PC and HP 455 Notebook PC Maintenance and Service Guide - Page 40
for use only with computer models with Windows 8 Standard and equipped Windows 8 Professional and equipped with an Intel Pentium or Celeron processor and a graphics subsystem with discrete video memory (includes replacement thermal materials) 35.6-cm (14.0-in), HD, LED, Anti-glare display panel HP - HP 240 | HP 450 Notebook PC and HP 455 Notebook PC Maintenance and Service Guide - Page 41
parts. Use care when handling the plastic parts. Apply pressure only at the points designated in the maintenance instructions. Cables and connectors CAUTION: When servicing the computer, be sure that cables are placed in their proper locations during the reassembly process. Improper cable placement - HP 240 | HP 450 Notebook PC and HP 455 Notebook PC Maintenance and Service Guide - Page 42
provide some protection, but in many cases, ESD contains enough power to alter device parameters or melt silicon junctions. A discharge of , reducing its life expectancy. CAUTION: To prevent damage to the computer when you are removing or installing internal components, observe these precautions: - HP 240 | HP 450 Notebook PC and HP 455 Notebook PC Maintenance and Service Guide - Page 43
CAUTION: A product can be degraded by as little as 700 V. Event Walking across carpet Walking across vinyl floor Motions of bench worker Removing DIPS from plastic tube Removing DIPS from vinyl tray Removing DIPS from Styrofoam Removing bubble pack from PCB Packing PCBs in foam-lined box Typical - HP 240 | HP 450 Notebook PC and HP 455 Notebook PC Maintenance and Service Guide - Page 44
and use properly grounded tools and equipment. ● Use conductive field service tools, such as cutters, screwdrivers, and vacuums. ● When Avoid contact with pins, leads, or circuitry. ● Turn off power and input signals before inserting or removing connectors or test equipment. 36 - HP 240 | HP 450 Notebook PC and HP 455 Notebook PC Maintenance and Service Guide - Page 45
with ground cords of one megohm resistance ● Static-dissipative tables or floor mats with hard ties to the ground ● Field service kits ● Static awareness labels ● Material-handling packages ● Nonconductive plastic bags, tubes, or boxes ● Metal tote boxes ● Electrostatic voltage levels and - HP 240 | HP 450 Notebook PC and HP 455 Notebook PC Maintenance and Service Guide - Page 46
period (4). This number describes the duration (in years) of the warranty period for the computer. ● Model description (select models only) (5). This is the alphanumeric identifier used to locate documents, drivers, and support for the computer. 38 Chapter 4 Removal and replacement procedures - HP 240 | HP 450 Notebook PC and HP 455 Notebook PC Maintenance and Service Guide - Page 47
to properly reset the notebook firmware (BIOS) back to factory shipped specifications when replacing the system board. The label may have a different number of characters depending on the operating system on the computer. Windows 8 models Non-Windows 8 models Component replacement procedures - HP 240 | HP 450 Notebook PC and HP 455 Notebook PC Maintenance and Service Guide - Page 48
Computer feet Description Rubber computer feet Spare part number 685103-001 The computer feet are adhesive-backed rubber pads. There are 4 rubber feet that attach to the base enclosure in the locations illustrated below. 40 Chapter 4 Removal and replacement procedures - HP 240 | HP 450 Notebook PC and HP 455 Notebook PC Maintenance and Service Guide - Page 49
2. Disconnect all external devices connected to the computer. 3. Disconnect the power from the computer by first unplugging the power cord from the AC outlet and then unplugging the AC adapter from the computer. To remove the battery: 1. Turn the computer upside down on a flat surface. 2. Slide the - HP 240 | HP 450 Notebook PC and HP 455 Notebook PC Maintenance and Service Guide - Page 50
Display bezel (includes Mylar screw covers) HP TrueVision HD webcam/microphone module HP VGA webcam/microphone module Rubber display bumpers computer. 3. Disconnect the power from the computer by first unplugging the power cord from the AC outlet and then unplugging the AC adapter from the computer - HP 240 | HP 450 Notebook PC and HP 455 Notebook PC Maintenance and Service Guide - Page 51
4. Remove the display bezel (3). Component replacement procedures 43 - HP 240 | HP 450 Notebook PC and HP 455 Notebook PC Maintenance and Service Guide - Page 52
5. To remove the webcam/microphone module: a. Remove the two broadhead Phillips PM2.5×2.5 screws (1) that secure the display panel and hinges to the enclosure, and then tilt the display panel (2) away from the enclosure as far as possible. 44 Chapter 4 Removal and replacement procedures - HP 240 | HP 450 Notebook PC and HP 455 Notebook PC Maintenance and Service Guide - Page 53
b. Disconnect the module cable from the module. Component replacement procedures 45 - HP 240 | HP 450 Notebook PC and HP 455 Notebook PC Maintenance and Service Guide - Page 54
c. Remove the webcam/microphone module. (The module is attached to the display enclosure with double-sided tape.) 46 Chapter 4 Removal and replacement procedures - HP 240 | HP 450 Notebook PC and HP 455 Notebook PC Maintenance and Service Guide - Page 55
PM2.0×3.0 screws (1) that secure the display hinges to the display panel, and then tilt the display panel down (2) until it rests on the computer. b. Release the adhesive strip (1) that secures the display panel cable to the display panel, and then disconnect the display panel cable (2) from the - HP 240 | HP 450 Notebook PC and HP 455 Notebook PC Maintenance and Service Guide - Page 56
c. Release the webcam/microphone module cable that is secured to the back of the display panel with adhesive material, and then remove the display panel (3). Reverse this procedure to reassemble and install the display bezel, webcam/microphone module, and display panel. 48 Chapter 4 Removal and - HP 240 | HP 450 Notebook PC and HP 455 Notebook PC Maintenance and Service Guide - Page 57
, remove the module to restore device functionality, and then contact support. Before removing the WLAN module, follow these steps: 1. Shut down the computer. If you are unsure whether the computer is off or in Hibernation, turn the computer on, and then shut it down through the operating system - HP 240 | HP 450 Notebook PC and HP 455 Notebook PC Maintenance and Service Guide - Page 58
To remove the WLAN module: 1. Loosen the memory module/wireless module compartment cover screw (1), and then lift up on the tab (2) and remove the cover (3). The memory module/wireless module compartment cover is available in the Plastics Kit. For more information about the Plastics Kit, see - HP 240 | HP 450 Notebook PC and HP 455 Notebook PC Maintenance and Service Guide - Page 59
NOTE: If the WLAN antennas are not connected to the terminals on the WLAN module, the protective sleeves must be installed on the antenna connectors, as shown in the following illustration. Reverse this procedure to install the WLAN module. Component replacement procedures 51 - HP 240 | HP 450 Notebook PC and HP 455 Notebook PC Maintenance and Service Guide - Page 60
the operating system. 2. Disconnect all external devices connected to the computer. 3. Disconnect the power from the computer by first unplugging the power cord from the AC outlet and then unplugging the AC adapter from the computer. 4. Remove the battery (see Battery on page 41). 5. Remove the - HP 240 | HP 450 Notebook PC and HP 455 Notebook PC Maintenance and Service Guide - Page 61
3. Remove the memory module (2) by pulling it away from the slot at an angle. Reverse this procedure to install a memory module. Component replacement procedures 53 - HP 240 | HP 450 Notebook PC and HP 455 Notebook PC Maintenance and Service Guide - Page 62
the operating system. 2. Disconnect all external devices connected to the computer. 3. Disconnect the power from the computer by first unplugging the power cord from the AC outlet and then unplugging the AC adapter from the computer. 4. Remove the battery (see Battery on page 41). 5. Remove the - HP 240 | HP 450 Notebook PC and HP 455 Notebook PC Maintenance and Service Guide - Page 63
To remove the hard drive: 1. Loosen the hard drive cover screw (1), and then lift up (2) and remove the cover (3). The hard drive compartment cover is available in the Plastics Kit. For more information about the Plastics Kit, see Plastics Kit on page 26. 2. Disconnect the hard drive cable (1) from - HP 240 | HP 450 Notebook PC and HP 455 Notebook PC Maintenance and Service Guide - Page 64
6. Remove the hard drive (3) from the bracket. Reverse this procedure to reassemble and install the hard drive. 56 Chapter 4 Removal and replacement procedures - HP 240 | HP 450 Notebook PC and HP 455 Notebook PC Maintenance and Service Guide - Page 65
the operating system. 2. Disconnect all external devices connected to the computer. 3. Disconnect the power from the computer by first unplugging the power cord from the AC outlet and then unplugging the AC adapter from the computer. 4. Remove the battery (see Battery on page 41). 5. Remove the - HP 240 | HP 450 Notebook PC and HP 455 Notebook PC Maintenance and Service Guide - Page 66
the operating system. 2. Disconnect all external devices connected to the computer. 3. Disconnect the power from the computer by first unplugging the power cord from the AC outlet and then unplugging the AC adapter from the computer. 4. Remove the battery (see Battery on page 41). 5. Remove the - HP 240 | HP 450 Notebook PC and HP 455 Notebook PC Maintenance and Service Guide - Page 67
3. Remove the optical drive (3) by sliding it out of the optical drive bay. 4. If it is necessary to replace the optical drive bracket on the rear of the optical drive, position the optical drive with the rear panel toward you. 5. Remove the two Phillips PM2.0×3.0 screws (1) that secure the bracket - HP 240 | HP 450 Notebook PC and HP 455 Notebook PC Maintenance and Service Guide - Page 68
the operating system. 2. Disconnect all external devices connected to the computer. 3. Disconnect the power from the computer by first unplugging the power cord from the AC outlet and then unplugging the AC adapter from the computer. 4. Remove the battery (see Battery on page 41). 5. Remove the - HP 240 | HP 450 Notebook PC and HP 455 Notebook PC Maintenance and Service Guide - Page 69
-bladed screwdriver or similar tool, push the tabs of the 4 keyboard clips (1) that are visible inside the battery bay towards the rear of the computer to loosen the keyboard. 4. Insert a screwdriver or similar small tool into the keyboard release hole (2), and then press on the back of the keyboard - HP 240 | HP 450 Notebook PC and HP 455 Notebook PC Maintenance and Service Guide - Page 70
6. Lift the rear edge of the keyboard (1), and then swing the keyboard up and forward (2) until it rests upside down on the palm rest. 7. Release the zero insertion force (ZIF) connector (1) to which the keyboard cable is attached, and then disconnect the keyboard cable (2) from the system board. 8. - HP 240 | HP 450 Notebook PC and HP 455 Notebook PC Maintenance and Service Guide - Page 71
through the operating system. 2. Disconnect all external devices connected to the computer. 3. Disconnect the power from the computer by first unplugging the power cord from the AC outlet and then unplugging the AC adapter from the computer. 4. Remove the battery (see Battery on page 41), and then - HP 240 | HP 450 Notebook PC and HP 455 Notebook PC Maintenance and Service Guide - Page 72
. 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 - HP 240 | HP 450 Notebook PC and HP 455 Notebook PC Maintenance and Service Guide - Page 73
6. Release the ZIF connectors to the power button board cable (1) and the TouchPad button board cable (2), and then disconnect the cables from the system board. 7. Remove the two Phillips PM2.5×6.0 screws that secure the top cover to the computer. 8. Lift the rear edge of the top cover (1) until the - HP 240 | HP 450 Notebook PC and HP 455 Notebook PC Maintenance and Service Guide - Page 74
9. Remove the top cover (2). Reverse this procedure to install the top cover. 66 Chapter 4 Removal and replacement procedures - HP 240 | HP 450 Notebook PC and HP 455 Notebook PC Maintenance and Service Guide - Page 75
through the operating system. 2. Disconnect all external devices connected to the computer. 3. Disconnect the power from the computer by first unplugging the power cord from the AC outlet and then unplugging the AC adapter from the computer. 4. Remove the battery (see Battery on page 41), and then - HP 240 | HP 450 Notebook PC and HP 455 Notebook PC Maintenance and Service Guide - Page 76
4. Remove the power button board and cable (3). Reverse this procedure to install the power button board and cable. 68 Chapter 4 Removal and replacement procedures - HP 240 | HP 450 Notebook PC and HP 455 Notebook PC Maintenance and Service Guide - Page 77
through the operating system. 2. Disconnect all external devices connected to the computer. 3. Disconnect the power from the computer by first unplugging the power cord from the AC outlet and then unplugging the AC adapter from the computer. 4. Remove the battery (see Battery on page 41), and then - HP 240 | HP 450 Notebook PC and HP 455 Notebook PC Maintenance and Service Guide - Page 78
5. Remove the TouchPad button board cable (4) from the opening in the top cover, and then remove the TouchPad button board (5). Reverse this procedure to install the TouchPad button board. 70 Chapter 4 Removal and replacement procedures - HP 240 | HP 450 Notebook PC and HP 455 Notebook PC Maintenance and Service Guide - Page 79
through the operating system. 2. Disconnect all external devices connected to the computer. 3. Disconnect the power from the computer by first unplugging the power cord from the AC outlet and then unplugging the AC adapter from the computer. 4. Remove the battery (see Battery on page 41), and then - HP 240 | HP 450 Notebook PC and HP 455 Notebook PC Maintenance and Service Guide - Page 80
3. Remove the speakers (4). Reverse this procedure to install the speakers. 72 Chapter 4 Removal and replacement procedures - HP 240 | HP 450 Notebook PC and HP 455 Notebook PC Maintenance and Service Guide - Page 81
through the operating system. 2. Disconnect all external devices connected to the computer. 3. Disconnect the power from the computer by first unplugging the power cord from the AC outlet and then unplugging the AC adapter from the computer. 4. Remove the battery (see Battery on page 41), and then - HP 240 | HP 450 Notebook PC and HP 455 Notebook PC Maintenance and Service Guide - Page 82
3. Remove the USB board (3). Reverse this procedure to install the USB board. 74 Chapter 4 Removal and replacement procedures - HP 240 | HP 450 Notebook PC and HP 455 Notebook PC Maintenance and Service Guide - Page 83
through the operating system. 2. Disconnect all external devices connected to the computer. 3. Disconnect the power from the computer by first unplugging the power cord from the AC outlet and then unplugging the AC adapter from the computer. 4. Remove the battery (see Battery on page 41), and then - HP 240 | HP 450 Notebook PC and HP 455 Notebook PC Maintenance and Service Guide - Page 84
4. Remove the power connector cable (4). Reverse this procedure to install the power connector cable. 76 Chapter 4 Removal and replacement procedures - HP 240 | HP 450 Notebook PC and HP 455 Notebook PC Maintenance and Service Guide - Page 85
covers) Hinges (includes Mylar screw covers) HP TrueVision HD webcam/microphone module HP VGA webcam/microphone module Rubber display bumpers computer. 3. Disconnect the power from the computer by first unplugging the power cord from the AC outlet and then unplugging the AC adapter from the computer - HP 240 | HP 450 Notebook PC and HP 455 Notebook PC Maintenance and Service Guide - Page 86
USB board (see USB board on page 73) ● Power connector cable (see Power connector cable on page 75) To remove the display Support the display assembly when removing the following screws. Failure to support the display assembly can result in damage to the display assembly and other computer - HP 240 | HP 450 Notebook PC and HP 455 Notebook PC Maintenance and Service Guide - Page 87
4. Remove the display assembly (2). NOTE: Models may have either one or two antennas installed. If it is necessary to replace any of the display assembly subcomponents: 1. To remove the display bezel: a. Remove the two Mylar screw covers (1) and the two Phillips PM2.5×4.0 screws (2) that secure the - HP 240 | HP 450 Notebook PC and HP 455 Notebook PC Maintenance and Service Guide - Page 88
c. Remove the display bezel (6). 2. To remove the webcam/microphone module: a. Position the display assembly with the top edge toward you. b. Remove the two broadhead Phillips PM2.5×2.5 screws (1) that secure the display panel to the enclosure. c. Tilt the display panel (2) up. 80 Chapter 4 Removal - HP 240 | HP 450 Notebook PC and HP 455 Notebook PC Maintenance and Service Guide - Page 89
d. Disconnect the module cable (3) from the module. Component replacement procedures 81 - HP 240 | HP 450 Notebook PC and HP 455 Notebook PC Maintenance and Service Guide - Page 90
e. Remove the webcam/microphone module. (The module is attached to the display enclosure with double-sided tape.) 3. To remove the hinge covers: a. Position the display assembly with the bottom edge toward you. b. Remove the two Phillips PM2.5×4.0 screws (1) that secure the top hinge covers to the - HP 240 | HP 450 Notebook PC and HP 455 Notebook PC Maintenance and Service Guide - Page 91
c. Remove the two Phillips PM2.0×3.0 screws (1) that secure the side hinge covers to the display enclosure, and then remove the side hinge covers (2). 4. To remove the display panel, cable, and hinges: a. Position the display assembly with the top edge toward you. b. Remove the four Phillips PM2 - HP 240 | HP 450 Notebook PC and HP 455 Notebook PC Maintenance and Service Guide - Page 92
c. On the back of the display panel, release the adhesive strip (1) that secures the display panel cable to the display panel, and then disconnect (2) and remove (3) the cable. d. Remove the four Phillips PM2.0×3.0 screws (1) that secure the display hinges to the display panel. e. Remove the display - HP 240 | HP 450 Notebook PC and HP 455 Notebook PC Maintenance and Service Guide - Page 93
5. To remove the wireless antenna cables and transceivers: a. Position the display assembly with the bottom edge toward you. b. Release the wireless antenna transceivers (1) from the display enclosure. (The wireless antenna transceivers are attached to the display enclosure with double-sided tape.) - HP 240 | HP 450 Notebook PC and HP 455 Notebook PC Maintenance and Service Guide - Page 94
-001 688853-501 688853-601 System board for use only with computer models equipped with an AMD E1-1200 processor ● For use in models without Windows 8 ● For use in models with Windows 8 Standard ● For use in models with Windows 8 Professional 688852-001 688852-501 688852-601 System board for use - HP 240 | HP 450 Notebook PC and HP 455 Notebook PC Maintenance and Service Guide - Page 95
Windows 8 ● For use in models with Windows 8 Standard ● For use in models with Windows 8 Professional System board for use only with computer page 71) ● USB board (see USB board on page 73) ● Power connector cable (see Power connector cable on page 75) 6. Disconnect the display cable from the system - HP 240 | HP 450 Notebook PC and HP 455 Notebook PC Maintenance and Service Guide - Page 96
, turn it upside down, and then disconnect the optical drive connector cable from the system board. 2. Turn the computer back over, open it, and then remove the two Phillips PM2.5×4.0 screws (1) that secure the system board to the base enclosure. 88 Chapter 4 Removal and - HP 240 | HP 450 Notebook PC and HP 455 Notebook PC Maintenance and Service Guide - Page 97
3. Tilt the system board up to the left slightly (2), and then remove the system board (3). NOTE: A thermal pad services a component on the bottom of the system board. Replacement thermal material is included with all system board spare part kits. Reverse this procedure to install - HP 240 | HP 450 Notebook PC and HP 455 Notebook PC Maintenance and Service Guide - Page 98
through the operating system. 2. Disconnect all external devices connected to the computer. 3. Disconnect the power from the computer by first unplugging the power cord from the AC outlet and then unplugging the AC adapter from the computer. 4. Remove the battery (see Battery on page 41), and then - HP 240 | HP 450 Notebook PC and HP 455 Notebook PC Maintenance and Service Guide - Page 99
3. Release the optical drive cable from the clips (4) built into the base enclosure. Reverse this procedure to install the optical drive cable. Component replacement procedures 91 - HP 240 | HP 450 Notebook PC and HP 455 Notebook PC Maintenance and Service Guide - Page 100
affected by high external temperatures, system power consumption, power management/battery conservation configurations, battery fast charging, and software requirements. Exhaust air is displaced through the ventilation grill located on the left side of the computer. Before removing the fan/heat sink - HP 240 | HP 450 Notebook PC and HP 455 Notebook PC Maintenance and Service Guide - Page 101
sink assembly to the system board. NOTE: The number of screws used to secure the fan/heat sink assembly to the system board varies by computer model. 3. Remove the Phillips PM2.0×3.0 screw (3) that secures the fan/heat sink assembly to the system board. 4. Remove the fan/heat sink assembly (4). NOTE - HP 240 | HP 450 Notebook PC and HP 455 Notebook PC Maintenance and Service Guide - Page 102
NOTE: The following illustration shows the fan/heat sink assembly removal process on a computer model equipped with an Intel processor and a graphics subsystem with UMA memory. 94 Chapter 4 Removal and replacement procedures - HP 240 | HP 450 Notebook PC and HP 455 Notebook PC Maintenance and Service Guide - Page 103
included with the fan/heat sink assembly, processor, and system board spare part kits. NOTE: The following illustration shows the replacement thermal material locations on a computer model equipped with an AMD processor. Component replacement procedures 95 - HP 240 | HP 450 Notebook PC and HP 455 Notebook PC Maintenance and Service Guide - Page 104
paste is used on the graphics subsystem chip (3) and the heat sink section (4) that services it NOTE: The following illustration shows the replacement thermal material locations on a computer model equipped with an Intel processor and a graphics subsystem with UMA memory. 96 Chapter 4 Removal - HP 240 | HP 450 Notebook PC and HP 455 Notebook PC Maintenance and Service Guide - Page 105
● Thermal paste is used on the processor (1) and the heat sink section (2) that services it Reverse this procedure to reassemble and install the fan/heat sink assembly. Component replacement procedures 97 - HP 240 | HP 450 Notebook PC and HP 455 Notebook PC Maintenance and Service Guide - Page 106
, dual core, 35 W): 3230M 2.60-GHz processor 3210 2.50-GHz processor 2450 2.50-GHz processor Intel Core i3 processors (3.0-MB L3 cache, dual core, these steps: 1. Shut down the computer. If you are unsure whether the computer is off or in Hibernation, turn the computer on, and then shut it down - HP 240 | HP 450 Notebook PC and HP 455 Notebook PC Maintenance and Service Guide - Page 107
3. Disconnect the power from the computer by first unplugging the power cord from the AC outlet and then unplugging the AC adapter from the computer. 4. Remove the battery (see Battery on page 41), and then remove the following components: ● WLAN module (see WLAN module on page 49) ● Hard drive (see - HP 240 | HP 450 Notebook PC and HP 455 Notebook PC Maintenance and Service Guide - Page 108
2. Lift the processor (3) straight up, and then remove it. NOTE: The gold triangle (4) on the processor must be aligned with the triangle icon embossed on the processor socket when you install the processor. Reverse this procedure to install the processor. 100 Chapter 4 Removal and replacement - HP 240 | HP 450 Notebook PC and HP 455 Notebook PC Maintenance and Service Guide - Page 109
used with Computer Setup only if USB legacy support is enabled. To start Computer Setup, follow these steps: 1. Turn on or restart the computer, and then main Computer Setup screen, press esc, and then follow the on-screen instructions. Windows 7 - Computer Setup (BIOS) and Advanced System - HP 240 | HP 450 Notebook PC and HP 455 Notebook PC Maintenance and Service Guide - Page 110
for Startup Menu" message is displayed at the bottom of the screen. 2. Press f10 to enter Computer Setup. 3. Use a pointing device or the arrow keys to select File > Restore Defaults. 4. Follow the on-screen instructions. 5. To save your changes and exit, click the Save icon in the lower-left corner - HP 240 | HP 450 Notebook PC and HP 455 Notebook PC Maintenance and Service Guide - Page 111
optional docking device, or connected to an optional power source. During the download and installation, follow these instructions: Do not disconnect power on the computer by unplugging the power cord from the AC outlet. Do not shut down the computer or initiate sleep. Do not insert, remove, connect - HP 240 | HP 450 Notebook PC and HP 455 Notebook PC Maintenance and Service Guide - Page 112
computer to a network, consult the network administrator before installing any software updates, especially system BIOS updates. BIOS installation procedures vary. Follow any instructions that are displayed on the screen after the download is complete. If no instructions contact HP support to report - HP 240 | HP 450 Notebook PC and HP 455 Notebook PC Maintenance and Service Guide - Page 113
you want to run, and then follow the on-screen instructions. NOTE: If you need to stop a diagnostics test while it is running, press esc. Windows 8 - Computer Setup (BIOS) and Advanced System Diagnostics Using Computer Setup Computer Setup, or Basic Input/Output System (BIOS), controls communication - HP 240 | HP 450 Notebook PC and HP 455 Notebook PC Maintenance and Service Guide - Page 114
for Startup Menu" message is displayed at the bottom of the screen. 2. Press f10 to enter Computer Setup. 3. Use a pointing device or the arrow keys to select File > Restore Defaults. 4. Follow the on-screen instructions. 5. To save your changes and exit, click the Save icon in the lower-left corner - HP 240 | HP 450 Notebook PC and HP 455 Notebook PC Maintenance and Service Guide - Page 115
optional docking device, or connected to an optional power source. During the download and installation, follow these instructions: Do not disconnect power on the computer by unplugging the power cord from the AC outlet. Do not shut down the computer or initiate sleep. Do not insert, remove, connect - HP 240 | HP 450 Notebook PC and HP 455 Notebook PC Maintenance and Service Guide - Page 116
computer to a network, consult the network administrator before installing any software updates, especially system BIOS updates. BIOS installation procedures vary. Follow any instructions that are displayed on the screen after the download is complete. If no instructions contact HP support to report - HP 240 | HP 450 Notebook PC and HP 455 Notebook PC Maintenance and Service Guide - Page 117
, press esc. When the Startup Menu is displayed, press f2. 2. Click the diagnostic test you want to run, and then follow the on-screen instructions. NOTE: If you need to stop a diagnostics test while it is running, press esc. Windows 8 - Computer Setup (BIOS) and Advanced System Diagnostics 109 - HP 240 | HP 450 Notebook PC and HP 455 Notebook PC Maintenance and Service Guide - Page 118
6 Specifications Computer specifications Metric U.S. Dimensions Depth 23.1 cm 9.09 in Width 34.2 cm 13.46 in Height (front to back) 3.00 to 3.55 cm 1.18 to 1.40 in Weight 2.19 kg 4.84 lb Input power Operating voltage and current 18.5 V dc @ 3.5 A or 19.5 V dc @ 3.33 A - 65 W 19 V - HP 240 | HP 450 Notebook PC and HP 455 Notebook PC Maintenance and Service Guide - Page 119
specifications Dimensions Height Width Diagonal Number of colors Contrast ratio Brightness Pixel resolution Pitch Format Configuration Backlight Character display Total power consumption Viewing angle Metric U.S. 17.6 cm 31.2 cm 35.7 cm Up to 16.8 million 200:1 (typical) 200 nits (typical) 6.93 - HP 240 | HP 450 Notebook PC and HP 455 Notebook PC Maintenance and Service Guide - Page 120
°F to 140°F) *1 GB = 1 billion bytes when referring to hard drive storage capacity. Actual accessible capacity is less. NOTE: Certain restrictions and exclusions apply. Contact technical support for details. 112 Chapter 6 Specifications - HP 240 | HP 450 Notebook PC and HP 455 Notebook PC Maintenance and Service Guide - Page 121
the security of your computer. You may be prompted for your permission or password for tasks such as installing software, running utilities, or changing Windows settings. See Help and Support for more information. Creating recovery media with HP Recovery Disc Creator HP Recovery Disc Creator is - HP 240 | HP 450 Notebook PC and HP 455 Notebook PC Maintenance and Service Guide - Page 122
HP Recovery Disc Creator can create two kinds of recovery DVDs as follows: ● Windows DVD-Installs the operating system without additional drivers or applications. Choosing this selection creates a DVD that restores the original operating system and the software programs installed at the factory. ● - HP 240 | HP 450 Notebook PC and HP 455 Notebook PC Maintenance and Service Guide - Page 123
as well as the drivers, software, and utilities from the backup used for recovery. 1. If possible, back up all personal files. 2. If possible, check for the presence of the Windows partition and the HP Recovery partition. To check for the Windows partition, select Start > Computer. To check for the - HP 240 | HP 450 Notebook PC and HP 455 Notebook PC Maintenance and Service Guide - Page 124
5. Follow the on-screen instructions. Using a Windows 7 operating system DVD (purchased separately) To order a Windows 7 operating system DVD, go to the HP website. For U.S. support, go to http:// www.hp.com/go/contactHP. For worldwide support, go to http://welcome.hp.com/country/us/en/ wwcontact_us - HP 240 | HP 450 Notebook PC and HP 455 Notebook PC Maintenance and Service Guide - Page 125
the User Account Control feature to improve the security of your computer. You may be prompted for your permission or password for tasks such as installing software, running utilities, or changing Windows settings. Refer to Help and Support for more information. From the Start screen, type help, and - HP 240 | HP 450 Notebook PC and HP 455 Notebook PC Maintenance and Service Guide - Page 126
must recover your operating system and programs using the Windows 8 operating system DVD and the Driver Recovery media (both purchased separately). 3. If the Windows partition and the HP Recovery partition are listed, restart the computer. After Windows has loaded, press and hold the shift key while - HP 240 | HP 450 Notebook PC and HP 455 Notebook PC Maintenance and Service Guide - Page 127
, go to http://www.hp.com/support, select your country or region, and follow the on-screen instructions. You can also order the DVD by calling support. For contact information, see the Worldwide Telephone Numbers booklet included with the computer. CAUTION: Using a Windows 8 operating system media - HP 240 | HP 450 Notebook PC and HP 455 Notebook PC Maintenance and Service Guide - Page 128
f11 key or from the Start screen. To use the f11 key: 1. Press f11 while the computer boots. - or - Press and hold f11 as you press the power button. 2. Select Troubleshoot from the boot options menu. 3. Select Reset your PC, and follow the on-screen instructions. 120 Chapter 7 Backup and recovery - HP 240 | HP 450 Notebook PC and HP 455 Notebook PC Maintenance and Service Guide - Page 129
, and then select General from the PC settings screen. 4. Under Remove everything and reinstall Windows, select Get started, and follow the on- screen instructions. Using HP Software Setup HP Software Setup can be used to reinstall drivers or select software that has been corrupted or deleted from - HP 240 | HP 450 Notebook PC and HP 455 Notebook PC Maintenance and Service Guide - Page 130
from 100 to 120 volts ac, or from 220 to 240 volts ac. The 3-conductor power cord set included with the computer meets the requirements for use in the country or region where the equipment is purchased. Power cord sets for use in other countries and regions must meet the requirements of the - HP 240 | HP 450 Notebook PC and HP 455 Notebook PC Maintenance and Service Guide - Page 131
Requirements for specific countries and regions Country/region Argentina Australia Austria Belgium Brazil Canada Chile Denmark Finland France Germany India Israel Italy Japan The Netherlands New Zealand Norway The People's Republic of China Saudi Arabia Singapore South Africa South Korea Sweden - HP 240 | HP 450 Notebook PC and HP 455 Notebook PC Maintenance and Service Guide - Page 132
each element. Corset approval number and logo must be printed on a flag label. 6. The flexible cord must be Type HVCTF 3X1.25mm2 conductor size. Power cord set fittings (appliance coupler, cable, and wall plug) must bear the BSMI certification mark. 7. For 127 V ac, the flexible cord must be Type - HP 240 | HP 450 Notebook PC and HP 455 Notebook PC Maintenance and Service Guide - Page 133
HP encourages customers to recycle used electronic hardware, HP original print cartridges , and rechargeable batteries. For more information about recycling programs, see the HP Web site at http://www.hp This HP product instructions disassembly instructions. Specific - HP 240 | HP 450 Notebook PC and HP 455 Notebook PC Maintenance and Service Guide - Page 134
Perform the following steps: 1. Remove all screw covers (1) and screws (2) that secure the display bezel to the display assembly. 2. Lift up and out on the left and right inside edges (1) and the top and bottom inside edges (2) of the display bezel until the bezel disengages from the display - HP 240 | HP 450 Notebook PC and HP 455 Notebook PC Maintenance and Service Guide - Page 135
4. Disconnect all display panel cables (1) from the display inverter and remove the inverter (2). 5. Remove all screws (1) that secure the display panel assembly to the display enclosure. 6. Remove the display panel assembly (2) from the display enclosure. 7. Turn the display panel assembly upside - HP 240 | HP 450 Notebook PC and HP 455 Notebook PC Maintenance and Service Guide - Page 136
10. Remove the display panel frame (2) from the display panel. 11. Remove the screws (1) that secure the backlight cover to the display panel. 12. Lift the top edge of the backlight cover (2) and swing it outward. 13. Remove the backlight cover. 14. Turn the display panel right-side up. 128 Chapter - HP 240 | HP 450 Notebook PC and HP 455 Notebook PC Maintenance and Service Guide - Page 137
15. Remove the backlight cables (1) from the clip (2) in the display panel. 16. Turn the display panel upside down. 17. Remove the backlight frame from the display panel. WARNING! The backlight contains mercury. Exercise caution when removing and handling the backlight to avoid damaging this - HP 240 | HP 450 Notebook PC and HP 455 Notebook PC Maintenance and Service Guide - Page 138
19. Disconnect the display cable (1) from the LCD panel. 20. Remove the screws (2) that secure the LCD panel to the display rear panel. 21. Release the LCD panel (3) from the display rear panel. 22. Release the tape (4) that secures the LCD panel to the display rear panel. 23. Remove the LCD panel. - HP 240 | HP 450 Notebook PC and HP 455 Notebook PC Maintenance and Service Guide - Page 139
battery release latch, identifying 17 BIOS determining version 103, 107 downloading an update 103, 107 updating 103, 107 buttons left TouchPad 13 optical drive eject 9 power 15 right TouchPad 13 TouchPad on/off 13 C cables, service considerations 33 caps lock light, identifying 14 chipset, product - HP 240 | HP 450 Notebook PC and HP 455 Notebook PC Maintenance and Service Guide - Page 140
16 function 16 Windows applications 16 Windows logo 16 L legacy support, USB lights AC adapter 9 caps lock 14 hard drive 11 optical drive 9 power 11, 14 number 29 P packaging guidelines 36 PCID label 39 plastic parts, service considerations 33 Plastics Kit illustrated 19, 26 spare part number 29 - HP 240 | HP 450 Notebook PC and HP 455 Notebook PC Maintenance and Service Guide - Page 141
power requirements 6 processor 1 product name 1 security 7 serviceability 7 video 5 wireless 5 product name 1 R recovery partition 116, 119 reinstall Windows U USB board illustrated 19 removing 73 spare part number 29 USB legacy support 101, 105 USB ports, identifying 9, 10 V vents, identifying 10, - HP 240 | HP 450 Notebook PC and HP 455 Notebook PC Maintenance and Service Guide - Page 142
removing 85 spare part number 29 wireless light, identifying 14 wireless module compartment, identifying 17 wireless, product description 5 WLAN module illustrated 21 removing 49 spare part number 28, 29 workstation guidelines 36 134 Index
HP 240 Notebook PC and HP 245
Notebook PC
Maintenance and Service Guide