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Packard Bell oneTwo M3850 / oneTwo M3851 / oneTwo L5850 / oneTwo L5851 Service Guide

Wireless LAN

Bluetooth

Audio

Webcam

Item

Specification

Model

•

802.11 b/g

– Foxconn T77H121.01 Atheros AR9285 (HB95)

•

802.11 b/g/n

–  Lite-On Atheros AR9283 HB93 2X2 BGN WN6602AH
–  Lite-On B853GQ400G Atheros AR9285(HB95)
–  Realtek RTL8191SE 1X1 BGN  (WN6605LH)
–  BCM 43225 2X2 BGN (HM) T77H103.00
–  Foxconn Atheros HB93 2X2 BGN (HM) WN6602A

Form factor

PCIe Mini Card

Item

Specification

Model

Broadcom BCM2046 (Single-Chip Bluetooth EDR HCI)

Version

Bluetooth 2.1 + EDR

Item

Specification

Controller

Realtek ALC662-VC0-GR 5.1 Channel High Definition Audio Codec

Features

•

Two built-in 5W stereo speakers

•

Right panel audio jacks

– Headphone jack
– Microphone jack

•

Left panel audio jacks

– Line-in jack
– Line-out jack
– Microphone jack

Item

Specification

Resolution

2.0 MP

Supported models

•

Chicony CNFA21321004590L

•

Park Orchid C04PL037F

•

Primax 50-704A4WNT8

Содержание oneTwo L5850

Страница 1: ...wo M3850 oneTwo M3851 oneTwo L5850 oneTwo L5851 All In One Computer Service Guide PRINTED IN TAIWAN Service guide files and updates are available on the Acer CSD web site for more information go to http csd acer com tw ...

Страница 2: ... oneTwo L5850 oneTwo L5851 Service Guide Revision History Refer to the table below for changes made on this version of the Packard Bell oneTwo M3850 oneTwo M3851 oneTwo L5850 oneTwo L5851 All In One Computer Service Guide Date Chapter Updates ...

Страница 3: ...ice Acer Incorporated makes no representations or warranties either expressed or implied with respect to the contents hereof and specifically disclaims any warranties of merchantability or fitness for any particular purpose Any Acer Incorporated software described in this guide is sold or licensed as is Should the programs prove defective following their purchase the buyer and not Acer Incorporate...

Страница 4: ...ual messages that appear on screen NOTE Gives additional information related to the current topic WARNING Alerts you to any physical risk or system damage that might result from doing or not doing specific actions CAUTION Gives precautionary measures to avoid possible hardware or software problems IMPORTANT Reminds you to do specific actions relevant to the accomplishment of procedures ...

Страница 5: ...overed in this generic service guide In such cases please contact your regional offices or the responsible personnel channel to provide you with further technical details FRU Information Please note WHEN ORDERING FRU PARTS that you should check the most up to date information available on your regional web or channel If for whatever reason a part number change is made it will not be noted in the p...

Страница 6: ...vi Packard Bell oneTwo M3850 oneTwo M3851 oneTwo L5850 oneTwo L5851 Service Guide ...

Страница 7: ...Utility 13 Setup Utility Menus 13 Chapter 3 System Disassembly 25 Disassembly Tools 25 Pre disassembly Procedure 25 Disassembly Procedures 26 Removing the Computer Stand 26 Removing the I O Cable Cover 2 7 Removing the Rubber Feet 27 Removing the Rear Cover 28 Removing the I O Cable Plate 28 Removing the Optical Disc Drive 29 Removing the Scaler Board 31 Removing the USB Audio Board 33 Removing th...

Страница 8: ...the Light Bars 55 Chapter 4 Troubleshooting 57 Hardware Diagnostic Procedure 57 System Check Procedures 57 Checkpoints 58 POST Error Indicators 62 BIOS Recovery 73 Clearing CMOS 74 Chapter 5 System Architecture 75 Block Diagram 75 Mainboard Layout 76 Chapter 6 Field Replaceable Unit FRU List 79 Exploded Diagram 80 FRU List 81 Appendix A Model Definitions and Configurations 88 Appendix B Test Compa...

Страница 9: ...x1 slot for TV tuner card installation Display ZX4950 21 5 inch LCD panel ZX4951 21 5 inch LCD touchscreen panel ZX6950 23 inch LCD panel ZX6951 23 inch LCD touchscreen panel Audio Two built in 5W stereo speakers Realtek ALC662 VC0 GR 5 1 Channel High Definition Audio Codec I O ports Right panel USB ports two Headphone jack Microphone jack Left panel Line in line out and microphone jacks USB ports...

Страница 10: ...ower supply 220 W power supply unit with PFC or non PFC option power factor correction Operating system support Microsoft Windows 7 Home Premium x64 x86 Home Basic x86 FreeDOS Linux LL95 Antivirus software Norton Internet Security Security BIOS based user and supervisor passwords Kensington lock Power management ACPI 2 0 compliant Aspect Description System dimension W H D 107 445 560 mm 4 21 17 52...

Страница 11: ...t View Item Icon Component 1 Integrated webcam 2 Display screen 3 Speakers 4 Power button indicator Blue System is in power on mode Flashing blue System is in standby mode 5 Auxiliary lighting capacitive key 6 LCD brightness capacitive key 7 Decrease volume capacitive key 8 Increase volume capacitive key NOTE Icons for the capacitive keys are only visible when the system is turned on ...

Страница 12: ...Left View Item Icon Component Item Icon Component 1 Optical disc drive ODD 8 USB ports 2 I O cable cover 9 Monitor port 3 9 in 1 card reader 10 HDMI port 4 Line in jack 11 PS 2 mouse port 5 Line out jack 12 PS 2 keyboard port 6 Microphone jack 13 AC power jack 7 Ethernet port RJ 45 ...

Страница 13: ...Packard Bell oneTwo M3850 oneTwo M3851 oneTwo L5850 oneTwo L5851 Service Guide 5 Right View Item Icon Component 1 Microphone jack 2 Line out jack 3 USB ports ...

Страница 14: ...6 Packard Bell oneTwo M3850 oneTwo M3851 oneTwo L5850 oneTwo L5851 Service Guide Rear View Item Icon Component 1 Ventilation slots 2 Mounting holes for wall mount option 3 Computer stand ...

Страница 15: ... LGA 1156 Package type 32 nm Max TDP 73 W Item Specification System chipset Intel H57 Express Chipset Super I O IT8721F Super I O IT8721F Item Specification BIOS chip AMI BIOS Setup utility CMOS Setup Utility Item Specification Controller Integrated in the Intel processor Number of DIMM slot 4 Maximum memory 8 GB using four 2 GB modules Data rate 1333 MT s Supported capacities 1 or 2 GB DIMM type ...

Страница 16: ...KS 22A7B2 7200 rpm 1 TB Seagate ST31000528AS 7200 rpm HGST HDT721010SLA360 7200 rpm WD WD10EADS 22M4B0 5400 rpm WD1001FALS 22J7B0 7200 rpm 1 5 TB Seagate ST31500341AS 7200 rpm WD WD15EADS 22P8B0 5400 rpm Item Specification Controller Integrated in the Intel H57 Express Chipset Type DVD Super Multi double layer or Blu ray Disc combo drive option Form factor Slim type Tray height mm 12 7 mm Interfac...

Страница 17: ...7H103 00 Foxconn Atheros HB93 2X2 BGN HM WN6602A Form factor PCIe Mini Card Item Specification Model Broadcom BCM2046 Single Chip Bluetooth EDR HCI Version Bluetooth 2 1 EDR Item Specification Controller Realtek ALC662 VC0 GR 5 1 Channel High Definition Audio Codec Features Two built in 5W stereo speakers Right panel audio jacks Headphone jack Microphone jack Left panel audio jacks Line in jack Li...

Страница 18: ...9 Contrast ratio 1000 1 Response time typical 5 ms Touchscreen ZX4950 Yes ZX4951 No ZX6950 Yes ZX6951 No Surface treatment AG type 3H hard coating Haze 25 Supported models AUO M215HW01 LG LM215WF1 E Turbo SR 215M181728D1 touch panel AUO B173RW01 CMO N173O6 L02 LG LP173WD1 TLA3 Samsung LTN173KT01 A01 Inverter board Darfon VZ 13156 B01 Sumida IV30260SPEC139 Item Specification Output max 220 W Suppor...

Страница 19: ... prompted Run Setup message to make changes to the BIOS settings The Setup Utility loads the configuration values in a battery backed nonvolatile memory called CMOS RAM This memory area is not part of the system RAM which allows configuration data to be retained when power is turned off The values take effect when the system is booted POST uses these values to configure the hardware If the values ...

Страница 20: ... is completed you will need to restart the computer Use the Up Down Left Right arrow keys to move between the menu options then press Enter to execute that option Some options lead to pop up dialog boxes that prompt you to verify that you wish to execute that option Other options lead to dialog boxes that prompt you for information Some options marked with a lead to submenus that enable you to cha...

Страница 21: ...nclosed in square brackets is user configurable Grayed out parameters are not user configurable for one of the following reasons The field value is auto configured or auto detected The field value is informational only The field is password protected Esc If you press this key On one of the primary menu screens the Exit menu displays On a submenu screen the previous screen displays When you are mak...

Страница 22: ...ystem Processor Speed Speed of the processor installed on the system System Memory Size of system memory detected during boot up Product Name Official model name of the computer System Serial Number System serial number System BIOS Version Current system BIOS version BIOS Release Date Date when the CMOS setup utility was released Asset Tag Number System asset tag number ...

Страница 23: ...pports four SATA channels each channel allows one SATA device to be installed Press Enter to display the individual configuration screen of installed SATA drive s Halt On Determines whether the system will stop for an error during the POST Options include All Errors Any error detected will pause the system No Errors BIOS will ignore any errors detected during POST All but Keyboard If a keyboard er...

Страница 24: ...boot LAN Hard Disk Drive Priority Press Enter to specify the boot device priority sequence for the installed hard drive s Optical Disk Drive Priority Press Enter to specify the boot device priority sequence for the installed optical drive Removable Device Priority Press Enter to specify the boot device priority sequence for removable drives Network Device Priority Press Enter to specify the boot d...

Страница 25: ...ses a computer to appear to have less memory available than is physically installed Note This feature is useful for systems running on 64 bit OS and those 32 bit systems that support the Physical Address Extension method Enabled Disabled Hybrid SLI Select whether to enable the Hybrid SLI technology when a nVIDIA graphics card is installed Hybrid SLI increases graphics performance with GeForce Boos...

Страница 26: ...n enabled any attached USB mouse or USB keyboard can control the system even when there is no USB driver loaded onto the system Enabled Disabled USB Storage Emulation If set to Auto a USB devices with a capacity of equal or less than 2 GB will be emulated as a bootable floppy disk Auto Floppy Hard Disk Onboard Graphics Controller Enables or disables the onboard graphics controller Enabled Disabled...

Страница 27: ...m to wake up from a power saving mode when an event occurs on an installed PCI device Enabled Disabled Power On by Modem Ring Enables or disables the system to wake up from a power saving mode when a modem signal is received network message Enabled Disabled Power On by Onboard LAN Enables or disables the system to wake up from a power saving mode when the onboard LAN controller received a network ...

Страница 28: ...alue CPU Temperature System Temperature CPU Fan Speed System Fan Speed CPU Core 1 1V 3 30V 5 00V 12 0V 5VSB VBAT These items lets you monitor the parameters for critical voltages temperatures and fan speeds Smart Fan When enabled fan speed will speed up or slow down depending on the system temperature Enabled Disabled ...

Страница 29: ...not Enabled Disabled Spread Spectrum When the mainboard s clock generator pulses the extreme values of the pulses creates EMI electromagnetic interference Set this field to Enabled to reduce this EMI level This reduces interference problems with other electronics in the area Note Remember to disable the Spread Spectrum feature if you are overclocking A slight jitter can introduce a temporary boost...

Страница 30: ...ord If you forget your password you may have to return your computer to your dealer to reset it Field Description Value Supervisor Password Displays the supervisor password status When set to Installed this password will allow the user to access and change all settings in the Setup Utility Installed Not Installed User Password Displays the user password status Only the following menus will be acce...

Страница 31: ...the first entry then press Enter You will be prompted to save the new password 5 Press Enter 6 Press F10 to save the password and close the Setup Utility To remove a system password 1 Select Change Supervisor Password or Change User Password then press Enter The password box appears 2 Type the original password then press Enter 3 Press Enter twice without entering anything in the new and confirm p...

Страница 32: ...o load the system default settings 1 Select Load Default Settings then press Enter You will be prompted to load the system defaults 2 Select OK then press Enter 3 Press F10 to save the changes you made and close the Setup Utility Save Exit Setup Execute this menu to save the changes made and closes the Setup Utility Keyboard shortcut F10 Exit Without Saving Execute this menu to closes the Setup Ut...

Страница 33: ...ocedure perform the steps listed below 1 Make sure that the optical disc drive and the card reader slot are empty 2 Turn off the power to the computer and all peripherals 3 Unplug the power cord from the computer 4 Unplug the network cable and all connected peripheral devices from the computer 5 Place the computer on a flat steady surface with the rear cover facing upward NOTES To reinstall the sy...

Страница 34: ...oving the Computer Stand 1 Perform the Pre disassembly Procedure on page 25 2 Use a flat screwdriver to pry off the plastic shell covering the computer stand screws 3 Remove the screws securing the computer stand 4 Remove the computer stand Quantity Color Torque Part Number 6 Black 4 0 4 5 kgf cm 86 00N85 266 ...

Страница 35: ... Guide 27 Removing the I O Cable Cover 1 Use a flat screwdriver to pry off the I O cable cover 2 Remove the I O cable cover Removing the Rubber Feet 1 Perform the Pre disassembly Procedure on page 25 2 Use a flat screwdriver to pry off the rubber feet from the computer base ...

Страница 36: ...nd the rubber feet by following the procedures described on page 27 3 Use a flat screwdriver to carefully pry loose the rear cover from the front bezel The picture below shows the location of the plastic snaps securing the cover to the front bezel 4 Remove the rear cover Removing the I O Cable Plate 1 Remove the rear cover by following the procedure described in the previous section 2 Disconnect t...

Страница 37: ... plate from the main chassis 4 Remove the I O cable plate a then pull out the HDMI cable through the plate opening b Removing the Optical Disc Drive 1 Remove the rear cover by following the procedure described on page 28 2 Remove the screw securing the ODD Quantity Color Torque Part Number 1 Black 4 0 4 5 kgf cm 86 00B75 240 ...

Страница 38: ... oneTwo L5851 Service Guide 3 Slide the ODD outward then disconnect the ODD SATA cable from the drive 4 Remove the ODD from the main chassis 5 Remove the screw securing the ODD bracket Quantity Color Torque Part Number 1 Silver 1 3 1 5 kgf cm 86 7A122 4R0 ...

Страница 39: ...r Board 1 Remove the rear cover by following the procedure described on page 28 2 Remove the screw securing the scaler board cover 3 Slide the scaler board cover towards the speaker area to disengage the cover tabs from the main chassis then remove the scaler board cover Quantity Color Torque Part Number 1 Black 4 0 4 5 kgf cm 86 00B75 240 ...

Страница 40: ...o M3850 oneTwo M3851 oneTwo L5850 oneTwo L5851 Service Guide 4 Disconnect all the cables from the scaler board 5 Remove the screws securing the scaler board Quantity Color Torque Part Number 4 Black 4 0 kgf cm 86 00B75 240 ...

Страница 41: ...rear cover by following the procedure described on page 28 2 Remove the screw securing the USB audio board cover A circuit board that is 10 cm2 has been highlighted with a yellow rectangle as shown in the above image Follow local regulations for disposing this type of circuit board Quantity Color Torque Part Number 1 Black 4 0 4 5 kgf cm 86 00B75 240 ...

Страница 42: ... the USB audio board cover outward to disengage the cover tabs from the main chassis then remove the USB audio board cover 4 Disconnect the two cables from the USB audio board 5 Remove the screws securing the USB audio board Quantity Color Torque Part Number 2 Black 4 0 kgf cm 86 00B75 240 ...

Страница 43: ...Remove the rear cover by following the procedure described on page 28 2 Remove the screws securing the wall mount plate A circuit board that is 10 cm2 has been highlighted with a yellow rectangle as shown in the above image Follow local regulations for disposing this type of circuit board Quantity Color Torque Part Number 2 Black 4 0 4 5 kgf cm 86 00B75 240 ...

Страница 44: ...engage the plate tabs from the main chassis then remove the wall mount plate Removing the Hard Disk Drive 1 Remove the wall mount plate by following the procedure described on page 35 2 Remove the screw securing the inverter board cover 3 Remove the inverter board cover Quantity Color Torque Part Number 1 Black 4 0 4 5 kgf cm 86 00B75 240 ...

Страница 45: ...0 oneTwo L5851 Service Guide 37 4 Disconnect the power and SATA cables from the hard drive 5 Slide the HDD assembly outward to disengage the assembly from the main chassis then remove the HDD assembly 6 Disconnect the HDD SATA cable from the mainboard ...

Страница 46: ...r to push the hard drive out of its cage a then pull out the drive out b Removing the Inverter Board 1 Remove the wall mount plate by following the procedure described on page 35 2 Remove the inverter board cover by following steps 2 and 3 on page 36 3 Disconnect all cables from the inverter board Quantity Color Torque Part Number 4 Silver 4 0 4 5 kgf cm 86 00J44 C60 ...

Страница 47: ...crews securing the inverter board 5 Remove the inverter board Quantity Color Torque Part Number 3 Black 4 0 kgf cm 86 00B75 240 A circuit board that is 10 cm2 has been highlighted with a yellow rectangle as shown in the above image Follow local regulations for disposing this type of circuit board ...

Страница 48: ... Assembly 1 Remove the wall mount plate by following the procedure described on page 35 2 Disconnect the HSF cable from its mainboard connector 3 Loosen the HSF s spring loaded screws in a diagonally opposite pattern an X pattern 4 Remove the HSF assembly Quantity Color Torque Part Number 4 Silver 4 0 4 5 kgf cm ...

Страница 49: ...cket body 4 Gently lift the processor out of its socket IMPORTANT When installing a processor Note the golden arrow on the corner to make sure the processor is properly oriented over the socket Moisten a soft cloth with isopropyl alcohol and clean the processor die to remove any thermal grease residue Wipe the die surface several times to make sure that no particles or dust contaminants are eviden...

Страница 50: ...s a then remove the memory modules from the DIMM slots b Removing the Mainboard 1 Remove the hard drive by following the procedure described on page 36 2 Remove the HSF assembly by following the procedure described on page 40 3 Remove the processor by following the procedure described on page 41 4 Remove the memory modules by following the procedure described on page 42 5 Disconnect all cables fro...

Страница 51: ...connect the 4 pin and 20 pin ATX power cables from their mainboard connectors a Press the top portion of the cable s retaining latch b Pull the cable straight up from its connector 7 Remove the screws securing the mainboard Quantity Color Torque Part Number 6 Black 4 0 kgf cm 86 00B75 240 ...

Страница 52: ...n page 36 3 Disconnect the ATX power cables by performing step 11 of the mainboard removal procedure on page 43 4 Remove the screws securing the PSU to the main chassis A circuit board that is 10 cm2 has been highlighted with a yellow rectangle as shown in the above image Follow local regulations for disposing this type of circuit board The RTC battery has been highlighted with a yellow circle in ...

Страница 53: ...U bracket from the power supply unit 7 Remove power supply unit from the front bezel and lay it down beside the system Some PSU connector cables are still secured underneath the main chassis so you won t be able to remove the PSU completely Quantity Color Torque Part Number 2 1 2 Black 4 0 kgf cm 86 00J44 C60 1 3 Black 4 0 kgf cm 86 3AR26 8R0 ...

Страница 54: ...Detach the black tape from the touchscreen control board cables 3 Push the tabs securing the touchscreen control board 4 Remove the touchscreen control board and turn it over to expose the cable connectors underneath it A circuit board that is 10 cm2 has been highlighted with a yellow rectangle as shown in the above image Follow local regulations for disposing this type of circuit board ...

Страница 55: ...ll cables from the touchscreen control board Removing the Bluetooth Module 1 Remove the PSU by following the procedure described on page 44 2 Push the tabs securing the Bluetooth module 3 Remove the Bluetooth module from the front bezel and turn it over to expose the cable connector underneath it ...

Страница 56: ...Service Guide 4 Disconnect the Bluetooth cable from the module Removing the Power Button Assembly 1 Remove the PSU by following the procedure described on page 44 2 Push the tabs securing the power button assembly 3 Remove the power button assembly from the front bezel ...

Страница 57: ...move the scaler board by following the procedure described on page 31 4 Remove the USB audio board by following the procedure described on page 33 5 Remove the mainboard by following the procedure described on page 42 6 Remove the PSU by following the procedure described on page 44 7 Disconnect the light bar cables from the light bars 8 Remove the screws securing the speakers 9 Remove the speakers...

Страница 58: ...o M3851 oneTwo L5850 oneTwo L5851 Service Guide 10 Disconnect the capacitive LED board cable 11 Disconnect the webcam cable 12 Remove the screws securing the main chassis Quantity Color Torque Part Number 5 Black 4 0 kgf cm 86 3AR26 8R0 ...

Страница 59: ...ring the LCD assembly to the front bezel 14 Detach the LCD assembly from the front bezel Removing the Main Chassis 1 Remove the LCD assembly by following the procedure described on page 49 2 Remove the screws securing the main chassis to the LCD module Quantity Color Torque Part Number 4 Black 4 0 kgf cm 86 00B75 240 ...

Страница 60: ...wo L5851 Service Guide 3 Remove the main chassis from the LCD module and lay it down beside the LCD module 4 Release the inverter cables from the main chassis 5 Remove the tapes securing the system cables then release the cables from their main chassis latches ...

Страница 61: ...e the tapes securing the LCD cable 3 Press the two sides of the LCD cable connector then pull to disconnect the cable from the LCD board Removing the LCD Panel Brackets 1 Remove the main chassis by following the procedure described on page 51 2 Remove the screws securing the LCD panel bracket a then detach the brackets b Quantity Color Torque Part Number 4 Black 4 0 kgf cm 86 00B75 240 ...

Страница 62: ...embly by following the procedure described on page 49 2 Push the tabs securing the webcam module 3 Push the tabs securing the webcam module then remove the module from the front bezel Removing the Capacitive LED Board 1 Remove the LCD assembly by following the procedure described on page 49 2 Remove the capacitive LED board cover ...

Страница 63: ...ervice Guide 55 3 Pry the capacitive LED board from the front bezel Removing the Light Bars 1 Remove the LCD assembly by following the procedure described on page 49 2 Push the tabs securing both ends of the two light bars 3 Remove the light bars from the front bezel ...

Страница 64: ...56 Packard Bell oneTwo M3850 oneTwo M3851 oneTwo L5850 oneTwo L5851 Service Guide ...

Страница 65: ...ge If the system will not power on do the following Check if the power cable is properly connected to the AC power jack and a functional AC power source Check if the voltage selector switch is set to the correct voltage setting System External Inspection 1 Inspect the power and LED indicators on the front panel Go to Front View section on page 3 for the location and description of the LED behaviou...

Страница 66: ...d also referred to as a POST card or POST diagnostic card These are ISA or PCI add in cards that show the value of I O port 80h on a LED display Checkpoints may appear on the bottom right corner of the screen during POST This display method is limited since it only displays checkpoints that occur after the video card has been activated Boot Block Initialization Code Checkpoints The boot block init...

Страница 67: ... Restore CPUID value back into register Give control to BIOS POST ExecutePOSTKernel See the POST Code Checkpoints section for more information Checkpoint Description E0 Initialize the floppy controller in the super I O Some interrupt vectors are initialized DMA controller is initialized 8259 interrupt controller is initialized L1 cache is enabled E9 Set up floppy controller and data Attempt to rea...

Страница 68: ...n of KB MS using AMI KB 5 0A Initializes the 8042 compatible Key Board Controller 0B Detects the presence of PS 2 mouse 0C Detects the presence of Keyboard in KBC port 0E Testing and initialization of different Input Devices Also update the Kernel Variables Traps the INT09h vector so that the POST INT09h handler gets control for IRQ1 Uncompress all available language BIOS logo and Silent logo modu...

Страница 69: ... the user and gets the user response for error 87 Execute BIOS setup if needed requested Check boot password if installed 8C Late POST initialization of chipset registers 8E Program the peripheral parameters Enable Disable NMI as selected 90 Late POST initialization of system management interrupt A0 Check boot password if installed A1 Clean up work needed before booting to OS A2 Takes care of runt...

Страница 70: ...escription 2A Initialize different buses and perform the following functions Reset Detect and Disable function 0 Static Device Initialization function 1 Boot Output Device Initialization function 2 Function 0 disables all device nodes PCI devices and PnP ISA cards It also assigns PCI bus numbers Function 1 initializes all static devices that include manual configured onboard peripherals memory and...

Страница 71: ...S could not boot from a particular device This message is usually followed by other information concerning the device Invalid Boot Diskette A diskette was found in the drive but it is not configured as a bootable diskette Drive Not Ready The BIOS was unable to access the drive because it indicated it was not ready for data transfer This is often reported by drives when no media is present A Drive ...

Страница 72: ...nd configure IDE ATAPI devices in POST 5th Master Hard Disk Error The IDE ATAPI device configured as Master in the 5th IDE controller could not be properly initialized by the BIOS This message is typically displayed when the BIOS is trying to detect and configure IDE ATAPI devices in POST 5th Slave Hard Disk Error The IDE ATAPI device configured as Slave in the 5th IDE controller could not be prop...

Страница 73: ...r in the 6th IDE controller failed an ATAPI compatibility test This message is typically displayed when the BIOS is trying to detect and configure IDE ATAPI devices in POST 6th Slave Drive ATAPI Incompatible The IDE ATAPI device configured as Slave in the 6th IDE controller failed an ATAPI compatibility test This message is typically displayed when the BIOS is trying to detect and configure IDE AT...

Страница 74: ...ecksum Bad NVRAM Cleared There was an error in while validating the NVRAM data This causes POST to clear the NVRAM data Resource Conflict More than one system device is trying to use the same non shareable resources Memory or I O NVRAM Ignored The NVRAM data used to store Plug n Play PnP data was not used for system configuration in POST NVRAM Bad The NVRAM data used to store Plug n Play PnP data ...

Страница 75: ...ware is not responding when the keyboard controller is initialized PS 2 Keyboard not found PS 2 keyboard support is enabled in the BIOS setup but the device is not detected PS 2 Mouse not found PS 2 mouse support is enabled in the BIOS setup but the device is not detected Keyboard Interface Error Keyboard controller failure This may indicate a problem with system hardware Unlock Keyboard PS 2 keyb...

Страница 76: ...an still does not work then replace the heat sink fan Mainboard Processor test failed Processor Mainboard NOTE Normally the processor fan should be operative and the processor clock setting should be exactly set to match its speed requirement before diagnosing any processor problems Mainboard and Memory related Symptoms Symptom Error Action FRU Memory test failed Memory module Mainboard Incorrect ...

Страница 77: ...works normally Enter CMOS Setup and load the default settings DIMM Mainboard CD DVD ROM drive LED flashes for more than 30 seconds before LED shutting off Software asks to reinstall disc Software displays a reading CD DVD error CD DVD ROM may have dirt or foreign material on it Check with a known good disc CD DVD ROM is not inserted properly CD DVD ROM is damaged CD DVD ROM drive cannot load or ej...

Страница 78: ...re the telephone application is configured correctly for your modem and set to receive messages and or fax Data fax modem software program invoked but cannot receive send data fax Ensure the modem card is installed properly Fax voice modem software program invoked but has no sound output Data files are received normally voice from modem cannot be produced but system sound feature works normally En...

Страница 79: ...oms Symptom Error Action FRU Pressing the power button does not turn off the system Only unplugging the power cord from electrical outlet can turn off the system Ensure the Soft off by PWR BTTN in CMOS Setup under Power Management is not set to Instant off Power switch cable assembly Pressing the power button does not turn on the system Power switch cable assembly Executing software shutdown from ...

Страница 80: ...replace the mainboard and then LCD assembly one at a time Do not replace a non defective FRU Beep Status Possible Causes One short beep System ready System is OK Continuous one long beep Memory not installed or memory error Something is wrong with the memory installed There is problem accessing the memory i e mainboard problem One long beep then two short beeps and repeat VGA not installed or VGA ...

Страница 81: ...Note that all data on the USB storage device will be cleared during the creation of the crisis disk 2 Set up a computer running the Windows XP or Windows Vista operating system and plug in the USB storage device into an available USB port 3 Copy the target BIOS ROM file to the USB storage device and rename it as amiboot rom 4 Unplug the USB storage device 5 Eject the removable USB storage device f...

Страница 82: ...Reinstall the rear cover by following the procedure described on page 28 6 Remove the wall mount plate by following the procedure described on page 35 7 Remove the hard drive by following the procedure described on page 36 8 If necessary remove any other assemblies or cables that prevent access to the CMOS clear jumper 9 Locate the CLR_CMOS jumper on the mainboard 10 Remove the jumper block and se...

Страница 83: ...l oneTwo M3850 oneTwo M3851 oneTwo L5850 oneTwo L5851 computer Procedure for using the G116 hardware gap to clear the BIOS password is also shown Block Diagram The core subsystems of the Packard Bell oneTwo M3850 oneTwo M3851 oneTwo L5850 oneTwo L5851 computer are depicted in the following block diagram System Block Diagram System Architecture Chapter 5 ...

Страница 84: ...PCI E1 1X2 PCI Express x1 expansion slot reserved for TV tuner card installation 5 SPEAKER1 Internal speaker cable connector 6 F_AUDIO Side I O board cable connector 7 AUDIO Left panel audio jacks line in line out and microphone jacks 8 NIC_USB Left Ethernet port Right USB ports 9 USB USB ports 10 VGA Monitor port 11 HDMI HDMI port 12 KB MS Left PS 2 mouse port Right PS 2 keyboard port 13 PWR2 4 p...

Страница 85: ...R1 24 pin ATX power connector 22 BUZ1 Internal buzzer 23 F_USB4 Card reader function connector 24 F_USB2 Card reader function connector 25 F_USB3 Front panel USB cable connector 26 F_USB1 Card reader function connector 27 AMI BIOS chip 28 SATA1 HDD SATA cable connector 29 SATA2 ODD SATA cable connector 30 Intel H57 Express Chipset Item Code Component ...

Страница 86: ...78 Packard Bell oneTwo M3850 oneTwo M3851 oneTwo L5850 oneTwo L5851 Service Guide ...

Страница 87: ...noted in this printed Service Guide The part numbers listed in this Service Guide may differ from those given to regional AUTHORIZED SERVICE PROVIDERS You MUST use the local FRU list provided by your regional office to order FRU parts for repair and service of customer machines Make sure that you are using the most up to date information available on your regional web site or channel when ordering...

Страница 88: ...sh plate 10 Computer stand 2 Front bezel 11 Computer stand shells 3 Front bezel frame 12 Inverter board cover 4 Webcam module 13 USB audio board cover 5 Main chassis 14 Power button holder 6 Mainboard 15 Power button knob 7 Wall mount plate 16 Capacitive LED board cover 8 Rear cover 17 Light bar guide 9 I O cable cover 18 Light bar cover ...

Страница 89: ...04A4WNT8 56 18009 521 Graphics card VGA CARD PCPARTNER 288 1E153 A00AC HD5450 512MB SDDR 3 64BITS SAMSUNG DVI HDMI W LP BKT ROHS 4 LAYER VG APC54 513 VGA CARD ECS 89D386 303408 HD5450 512MB 64BIT DDR3 DVI HDMI VGA LP BRACKET ROHS VG ECS54 511 VGA CARD ECS 89D386 469013 NV G315 512MB 64BIT DDR3 DVI HDMI LP BRACKET ROHS VG ECS31 5L1 VGA CARD PCPARTNER 288 1E145 A01AC HD5450 512MB SDDR3 64BITS SAMSUN...

Страница 90: ...CER DDR3 1333MHZ 1G UNB DIMM GU502203EP0201 LF 128 8 0 065UM KN 1GB0B 036 MEMORY KINGSTON DDR3 1333MHZ 1G ACR128X64D3U1333C9 KN 1GB01 031 MEMORY SAMSUNG DDR3 1333MHZ 1G UNB DIMM GU502203EP0201 LF 128 8 46NM KN 1GB0F 005 MEMORY TRANSCEND DDR3 1333MH 1G UNB DIMM JM1333KLU 1G KN 1GB0H 015 MEMORY UNIFOSA DDR3 1333MHZ 1G UNB DIMM GU502203EP0201 LF 128 8 0 065UM KN 1GB0C 008 MEMORY APACER DDR3 1333MHZ 2...

Страница 91: ...GP KH 15K08 001 HDD 1 5TB 3 5 7200RPM SATA SEAGATE BRINKS ST31500341AS 32MB CC4H 7 KH 15K01 002 Optical drive ODD HLDS BD COMBO 12 7MM TRAY DL 4X CT21N LF W O BEZEL 1 00 SATA FOR HF WINDOWS7 KO 00407 004 ODD PANASONIC BD COMBO 12 7MM TRAY DL 4X UJ141AL LF W O BEZEL SATA FOR HF WINDOWS7 KO 0040D 004 ODD PANASONIC BD RW 12 7MM TRLY DL4 4X UJ240A SATA KU 00407 015 ODD HLDS SUPER MULTI DRIVE 12 7MM TR...

Страница 92: ...50 3CM07 001 SPEAKER CABLE 50 3CM26 001 Webcam cable CAMERA CABLE 50 3CM06 001 CAMERA CABLE 50 3CM25 001 Microphone cable FIO MIC CABLE 50 3CM02 001 FIO MIC CABLE 50 3CM21 001 Wireless LAN cable WIRELESS CR CABLE 50 3CM04 001 WIRELESS CR CABLE 50 3CM23 001 Power supply unit POWER SUPPLY 220W CHICONYPOWER EPA CPB09 D220E AAGASSI PY 22009 008 POWER SUPPLY 220W CHICONYPOWER PFC CPB09 D220A AAGASSI PY...

Страница 93: ...YBOARD RF2 4 109KEY CHICONY KG 08330J12995V BLACK JAPANESE KB RF403 183 KEYBOARD RF2 4 109KEY CHICONY KG 08330PA2995V BLACK BRAZILIAN PORTUGUESE KB RF403 361 KEYBOARD USB 104KEY CHICONY KU 08333RD2976V BLACK TRADITIONAL CHINESE KB USB03 239 KEYBOARD USB 104KEY CHICONY KU 08333RE2976V BLACK SIMPLIFIED CHINESE KB USB03 305 KEYBOARD USB 104KEY CHICONY KU 08333T02976V BLACK THAILAND KB USB03 306 KEYBO...

Страница 94: ...BAR BOARD PGREENWOOD 1 LIGHT BAR BOARD DIP MP TBD RISER BOARD FOR SHORT VGA PGREENWOOD 1 RISER FOR SHORT VGA DIP MP TBD SCALER BOARD PGREENWOOD 1 SCALER BOARD DIP MP TBD DVI TO D SUB CABLE C A DVI TO D SUB CABLE DTX_AIO TBD HDMI CABLE 600MM C A HDMI 600MM CABLE DTX AIO TBD LVDS CABLE 23 C A LVDS CABLE 21_5 PG TBD ASSY MB COVER BRACKET PG ASSY MB COVER BRACKET PG TBD BACK COVER FOR 23 ASSY BACK COV...

Страница 95: ...NEL LEFT AND RIGHT 21 5 GLUE GLASS PANEL L R 21_5 PG TBD GLUE FOR GLASS PANEL TOP AND LOWER 21 5 GLUE GLASS PANEL T B 21_5 PG TBD SCRW 4 40 4 75H 4 8 7 NI SCRW 4 40 4 75H 4 8 7 NI TBD SCRW M TRUSS M4 8L TB BLACK NI SCRW M TRUSS M4 8L TB BLACK NI TBD SCRW M2 CAP L4 NI SCRW M2 CAP L4 NI TBD SCRW M3 CAP 6L BLK ZN H801 SCRW M3 CAP 6L BLK ZN H801 TBD SCRW M4 P07 CAP 6L BLK ZN SCRW M4 P07 CAP 6L BLK ZN ...

Страница 96: ...oneTwo L5850 oneTwo L5851 Service Guide 88 This chapter provides features summary for each of the Packard Bell oneTwo M3850 oneTwo M3851 oneTwo L5850 oneTwo L5851 computer model configurations Model Definitions and Configurations Appendix A ...

Страница 97: ... Ci3 540 2G 2 1000G 1 NSM8XS B23 GT320 802 11 b g n KB RF2 4 0420_PB HX093I PAIO1023 Ci3 540 U2GBII I13 N N D1000GB 5 4KS NSM8XS D23FHD Nvidia GT320 1GB HDMI DVI LP N 802 11 b g n mini card USB half size Kit N RF2 4 0420_PB RF2 4 0420_PB N PFC 220W 8 5L EuP South Africa W7HP64E M oTL5851 PW U5KE2 009 oTL5851 CH EMEA001 W7HP64EMP UEA206 Ci3 540 2G 2 1500G 1 NSM8XS B23 GT320 802 11 b g n KB RF2 4 04...

Страница 98: ...N RF2 4 0420_PB RF2 4 0420_PB EMEA Win7 WMC PFC 220W 8 5L EuP UK W7HP64 oTL5851 PW U5KE2 031 oTL5851 CH EMEA001 W7HP64PNO9 105 Ci3 540 2G 2 1000G 1 NSM8XS B23 802 11 b g n KB mouse HX093I PAIO1023 Ci3 540 U2GBII I13 N N D1000GB 5 4KS NSM8XS D23FHD N N 802 11 b g n mini card USB half size Kit N USB 0420_PB USB 0420 N PFC 220W 8 5L EuP EU W7HP64 oTL5851 PW U5KE2 034 oTL5851 CH EMEA001 W7HP64PIT06 06...

Страница 99: ...ATI HD5450 512MB HDMI DVI LP N 802 11 b g n mini card USB half size Kit N USB 0420_PB USB 0420 N PFC 220W 8 5L EuP EU W7HP64R U oTL5851 PW U5KE2 045 oTL5851 CH EMEA001 W7HP64PNO9 105 Ci3 540 2G 2 640G 1 NSM8XS B23 GT320 802 11 b g n KB RF2 4 0420_PB HX093I PAIO1023 Ci3 540 U2GBII I13 N N D640GB7 2KS NSM8XS D23FHD Nvidia GT320 1GB HDMI DVI LP N 802 11 b g n mini card USB half size Kit N RF2 4 0420_...

Страница 100: ...i3 540 2G 2 640G 1 NBDRW4XS B23 HD5570 802 11 b g n RF2 4 0420_PB RF2 4 0420_PB HX093I PAIO1023 Ci3 540 U2GBII I13 N N D640GB7 2KS NBDRW4 XS D23FHD ATI HD5570 1GB HDMI DVI LP N 802 11 b g n mini card USB half size N RF2 4 0420_PB RF2 4 0420_PB N PFC 220W 8 5L EuP EU W7HP64 oTM3851 PW U5ME 2 005 oTM3851 CH EMEA001 W7HP64EMPI T2605 PDCG6950 2G 1 1G 1 500G 1 NSM8XS D21 5H 315 802 11 b g n KB mouse HX...

Страница 101: ...I13 N N D640GB7 2KS NSM8XS D21 5WU XGA N PCIe SW DVB T DTXAIO_Kit 802 11 b g n mini card USB half size Kit Bluetooth Kit RF2 4 0420_PB RF2 4 0420_PB EMEA Win7 WMC PFC 220W 8 5L EuP EU W7HP64 oTM3851 PW U5ME 2 052 oTM3851 CH EMEA001 W7HP64PES0 407 Ci3 540 2G 2 640G 1 NSM8XS D21 5H H753 D Kit 802 11 b g n Bluetooth EMEA Win7 WMC KB RF2 4 0420_PB HX093J PAIO1021 Ci3 540 U2GBII I13 N N D640GB7 2KS NSM...

Страница 102: ...i5 650 2G 2 1000G 1 NSM8XS D21 5H 315 H753 D Kit 802 11 b g n Bluetooth EMEA Win7 WMC KB RF2 4 0420_PB HX093J PAIO1021 Ci5 650 U2GBII I13 N N D1000GB 5 4KS NSM8XS D21 5WU XGA Nvidia 315 512MB HDMI DVI LP PCIe SW DVB T DTXAIO_Kit 802 11 b g n mini card USB half size Kit Bluetooth Kit RF2 4 0420_PB RF2 4 0420_PB EMEA Win7 WMC PFC 220W 8 5L EuP EU W7HP64 oTM3851 PW U5ME 2 147 oTM3851 CH EMEA001 W7HP6...

Страница 103: ...0G 1 NSM8XS D21 5H GT320 802 11 b g n KB mouse HX093J PAIO1021 Ci3 540 U2GBII I13 N N D1000GB 5 4KS NSM8XS D21 5WU XGA Nvidia GT320 1GB HDMI DVI LP N 802 11 b g n mini card USB half size Kit N USB 0420_PB USB 0420 N PFC 220W 8 5L EuP EU UK W7HP64E M oTM3851 PW U5ME 2 161 oTM3851 CH EMEA001 W7HP64PBEA 706 Ci3 540 2G 2 640G 1 NSM8XS D21 5H 315 H753 D Kit 802 11 b g n EMEA Win7 WMC KB RF2 4 0420_PB H...

Страница 104: ...5H 802 11 b g n KB RF2 4 0420_PB HX093J PAIO1021 PDCG6 950 U2GBII I13 N N D640GB7 2KS NSM8XS D21 5WU XGA N N 802 11 b g n mini card USB half size Kit N RF2 4 0420_PB RF2 4 0420_PB N PFC 220W 8 5L EuP EU W7HP64 Model Part No Description Chassis Bezel CPU DIMM2 DIMM3 DIMM4 HDD ODD LCD VGA TV Tuner Add on Card 1 Add on Card 2 Keyboard Mouse Remote Control PSU Power Cord OS ...

Страница 105: ...97 Packard Bell oneTwo M3850 oneTwo M3851 oneTwo L5850 oneTwo L5851 Service Guide ...

Страница 106: ...Bluetooth Devices Bluetooth Stereo Headset ModeNum HT820 Motorola Bluetooth Mouse ModeNum 097855020512 Logitech Motorola Bluetooth Wireless Headset H300 Motorola Sony Ericsson Stereo Bluetooth Headset HBH DS970 Sony External LCD P243W 24 inch LCD Monitor Acer P244W 24 inch LCD Monitor Acer SP2208WFP 22 inch LCD Monitor Dell UltraSharp 3008WFP 30 inch LCD Monitor Dell 2407FPW 24 inch LCD Monitor De...

Страница 107: ...r Copier 1200x2400 dpi HP USB Speaker Joystick iFun USB Speaker JS1200UA JS Dell USB Speaker Dell Wireless Printer Photosmart C309 CC35A All in One Printer 4x6 photos CD DVD Quick Forms Scanner Copier Fax Port USB2 0 Ethernet PictBridge 802 11g BT HP Photosmart C4580 All in One Printer 4x6 photos Scanner Copier Port USB2 0 802 11g b Memory Card HP Memory Stick High Speed 1 GB Memory Stick Pro Duo ...

Страница 108: ... HI 10800 078 Processor Intel Core i5 670 3 46G 4M 1333FSB Clarkdale 73W KC 67001 CI5 Core i5 660 3 33G 4M 1333FSB Clarkdale 73W KC 66001 CI5 Core i5 650 3 2G 4M 1333FSB Clarkdale 73W KC 65001 CI5 Core i3 550 3 2G 4M DDR3 1333 73W KC 55001 CI3 Core i3 540 3 06G 4M 1333FSB Clarkdale 73W KC 54001 CI3 Pentium G6950 2 8G 3M 1066FSB Clarkdale 73W KC 69501 DEG Memory Unifosa DDRIII1333 GU502203EP0201 LF...

Страница 109: ...m 320GB ST3320418AS Pharaoh KH 32001 015 7200rpm 640GB ST3640623AS Brinks KH 64001 002 7200rpm 1000GB ST31000528AS Pharaoh KH 01K01 007 7200rpm 1500GB ST31500341AS Brinks KH 15K01 002 Optical drive HLDS ODD HLDS Super Multi DRIVE 12 7mm Tray DL 8X GT31N KU 0080D 054 ODD HLDS BD COMBO 12 7mm Tray DL 4X CT21N KO 0040D 004 PLDS ODD PLDS Super Multi DRIVE 12 7mm Tray DL 8X DS 8A5SH KU 0080F 014 Panaso...

Страница 110: ...DDR3 DVI HDMI LP BRACKET ROHS VG ECS31 5L1 HD5450 512MB 64BIT DDR3 DVI HDMI VGA LP BRACKET ROHS VG ECS54 511 WLAN module Lite On Lite On WN6607LH WLAN WN6607LH Realtek RTL8191SU 802 11bgn 1Tx2R WLAN mini card USB interface Half Size WN6607LH NI 10200 041 WLAN antenna ACON_Main ANTENNA MAN WLAN ACON Main AMM8P 700017 AMM8P 700017 25 91344 001 ACON_Aux ANTENNA AUX WLAN ACON_Aux AMM8P 700018 AMM8P 70...

Страница 111: ...06 PY 22009 006 CP CPB09 D220R PY 2200F 004 PY 2200F 004 Delta DPS 220UB 1 A PY 22009 007 PY 22009 007 CP CPB09 D220A PY 2200F 005 PY 2200F 005 LiteOn PS 5221 9AE RoHS FR 220W ES PY 2200B 008 PY 2200B 008 Delta DPS 220UB 2 B FR 220W ES PY 22009 008 PY 22009 008 CP CPB09 D220E FR 220W ES PY 2200F 006 PY 2200F 006 Bluetooth module Chicony BT MODULE BT V2 1 EDR CSR BLUECORE4 PC R BC10B 04C1 56 25034 ...

Страница 112: ...SB03 257 Keyboard CHICONY KU 0420 USB 105KS Black Polish KB USB03 258 Keyboard CHICONY KU 0420 USB 105KS Black Slovenian KB USB03 259 Keyboard CHICONY KU 0420 USB 105KS Black Slovak KB USB03 260 Keyboard CHICONY KU 0420 USB 105KS Black Russian KB USB03 261 Keyboard CHICONY KU 0420 USB 105KS Black Hungarian KB USB03 262 Keyboard CHICONY KU 0420 USB 105KS Black Greek KB USB03 263 Keyboard CHICONY KU...

Страница 113: ...70 RF2 4 105KS Black Swiss G with PB logo KB RF403 192 Keyboard CHICONY WUG0570 RF2 4 105KS Black Belgium with PB logo KB RF403 193 Keyboard CHICONY WUG0570 RF2 4 105KS Black Icelandic with PB logo KB RF403 194 Keyboard CHICONY WUG0570 RF2 4 105KS Black Norwegian with PB logo KB RF403 195 Keyboard CHICONY WUG0570 RF2 4 105KS Black Hebrew with PB logo KB RF403 196 Keyboard CHICONY WUG0570 RF2 4 105...

Страница 114: ... with PB logo KB RF403 209 Keyboard CHICONY WUG0570 RF2 4 105KS Black Nordic with PB logo KB RF403 210 Keyboard CHICONY WUG0570 RF2 4 105KS Black Arabic English KB RF403 212 Keyboard dongle receiver Chicony Chicony Dangle Receiver USB external receiver RV 11000 022 MCE remote controller receiver Philips Philips Remote Controller RC2604307 01BG for EMEA pair with RV 11000 007 EMEA Win7 Philips RT 1...

Страница 115: ...Packard Bell oneTwo M3850 oneTwo M3851 oneTwo L5850 oneTwo L5851 Service Guide 107 ...

Страница 116: ... download information on all Acer notebook desktop and server models including Service guides for all models User s manuals Training materials BIOS updates Software utilities Spare parts lists TABs Technical Announcement Bulletin For these purposes we have included a PDF file to facilitate the problem free downloading of our technical material Also available on this website are Detailed informatio...

Страница 117: ...ed cards 1 checkpoints boot block 58 DIM 62 overview 58 POST 60 CMOS clear 74 CMOS Setup Utility access 12 Advanced BIOS Features menu 16 Advanced Chipset Features menu 17 BIOS Security Features menu 22 Exit Without Saving 24 Frequency Voltage Control menu 21 Integrated Peripherals menu 18 Load Default Settings 24 navigation keys 13 overview 11 PC Health Status menu 20 Power Management Setup menu ...

Страница 118: ...ion display 14 model configurations 89 specifications 7 status monitoring 20 troubleshooting 57 HDD see hard disk drive 1 HDMI port 4 headphone jack 5 heat sink fan cable connector 76 part number 82 remove 40 HSF see heat sink fan 40 I I O cable cover remove 27 I O cable plate remove 28 I O ports listing 1 Integrated Peripherals menu 18 inverter board bracket remove 36 part number 81 remove 38 sup...

Страница 119: ...cam module 81 WLAN cable 84 PC Health Status menu 20 POST see Power On Self Test 60 power AC power jack 4 ACPI compliance 2 button assembly part number 81 button assembly remove 48 button indicator 3 specifications 2 wake up options 19 power management configure 19 specifications 2 power supply unit 24 pin ATX connector 77 4 pin ATX connector 76 part number 84 remove 44 supported models 10 trouble...

Страница 120: ... 3 left view 4 rear view 6 right view 5 T temperature monitoring 20 touchscreen by model 10 control board remove 46 troubleshooting BIOS checkpoints 58 BIOS recovery 73 clearing CMOS 74 component failure 68 hardware diagnostic procedure 57 online support information 108 POST error indicators 62 TV tuner card part number 81 U undetermined problems 72 USB ports bootable device 18 left 4 legacy devic...

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