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M471B5773DH0-YK0 2GB D3L-1600S MEMORY

1100642

HMT425S6AFR6A-PB 2GB D3L-1600S MEMORY

1100643

MT8KTF25664HZ-1G6M1 2GB D3L-1600SMEMORY

1100228

Ramaxel Elp_R J2108EDBG-GN-F 2GB D3L-1600S

1100750

2GB

Mic_S D9PFJ 2GB D3L-1600S MEMORY

1100683

M471B5273DH0-YK0 4G D3L-1600S MEMORY

1100637

HMT451S6AFR8A-PB 4G D3L-1600S MEMORY

1100638

MT8KTF51264HZ-1G6J1 4G D3L-1600S MEMORY

1100639

Elp_R J4208EBBG-GN-F 4GB D3L-1600S MEMORY

1100640

Mic_S D9QVG 4GB D3L-1600S MEMORY

1100672

M471B5173QH0-YK0 4GB D3L-1600S MEMORY-HF

1100906

RAM

4GB

M471B5173DB0-YK0 4GB D3L-1600S MEMORY-HF

1100942

WDXL500A WD2500AAKX-08ERMA0 250G HDD-LH

16200245

SGT Pharaoh 4K ST250DM000 250G HDD-LH

16200176

250G

WDXL500A WD2500AAKX-08U6AA0 250G HDD-LH

16200542

WDXL500A WD5000AAKX-08ERMA0 500G HDD-LH

16200247

SGT Pharaoh 4K ST500DM002 500G HDD-LH

16200178

WDXL500A WD5000AAKX-08U6AA0 500G HDD-LH

16200544

500G

TSB Mars 4K 500G DT01ACA050 -LH

16200512

WD XL1000S WD10EZEX-08RKKA0 1TB HDD-LH

16200292

SGT Grenada BP ST1000DM003 1TB HDD-LH

16200293

3.5inch SATA6G 7.2K Grenada BP 1.5 1TB

16200528

1TB

TSB Mars 4K 1TB DT01ACA100 -LH

16200513

HLDS GT80N Slim SATA Rambo

光驱无面板

-LH

25209015

ODD

PLDS DS-8A9SH Slim Tray Rambo

无面板

-LH

25209016

CMI 18.5"WLED M185BGE-L22

90400100

AUO M185XTN01.2

90400101

250nits

BOE: HT185WX1-300

90400192

AUO M185XTN01.3

90400141

Panel

200nits

CMI M185BGEL23

90400147

Liteon PA-1650-52LC NB ADA[TER (EPS2.0)

36001678

Adapter

Delta ADP-65YB DA 65W ADAPTER ( R)

36200337

CBT AR9485 11n HMC WiFi card

11200354

Wi-Fi card

LTN RTL8188EE 11n HMC WiFi card

20200218

Bison M720P VC OV9726 CAM

20200377

720P

AVC M720P RT OV9726 CAM

20200457

Bison MI360 new lens NF CAM(R)

20200327

0.3M

CCY VC346 V7725 NR Cam

20200515

Chapter 10

FRU lists-C255

Содержание IdeaCentre C240

Страница 1: ...Lenovo C240 245 255 All In One PC Hardware Maintenance Manual ideaideaideaCentreidea Machine Types 10113 6268 C240 10114 6269 C245 10137 F0A1 C255 ...

Страница 2: ......

Страница 3: ...Lenovo C240 245 255 All In One PC Hardware Maintenance Manual Machine Types 10113 6268 C240 10114 6269 C245 10137 F0A1 C255 ...

Страница 4: ... Lenovo 2012 2013 LIMITED AND RESTRICTED RIGHTS NOTICE If data or software are delivered pursuant a General Services Administration GSA contract use reproduction or disclosure is subject to restrictions set forth in Contract No GS 35F 05925 ...

Страница 5: ...drive boot error 19 Power Supply Problems 19 POST error codes 20 Undetermined problems 20 Chapter 7 Locating connectors controls and components 21 Chapter 8 Replacing hardware 27 General information 27 Replacing the keyboard and mouse 28 Replacing the optical drive 28 Replacing the power adapter 30 Removing the rear cover 31 Replacing a memory module 32 Replacing the hard disk drive 32 Replacing t...

Страница 6: ...iv Lenovo C240 245 255 All In One PC Hardware Maintenance Manual ...

Страница 7: ...UTION and DANGER sections in this manual before following any of the instructions Veuillez lire toutes les consignes de type DANGER et ATTENTION du présent document avant d exécuter les instructions Lesen Sie unbedingt alle Hinweise vom Typ ACHTUNG oder VORSICHT in dieser Dokumentation bevor Sie irgendwelche Vorgänge durchführen Leggere le istruzioni introdotte da ATTENZIONE e PERICOLO presenti ne...

Страница 8: ...2 Lenovo C240 245 255 All In One PC Hardware Maintenance Manual ...

Страница 9: ...rom areas that people may walk through to ensure no one trips over it Do not wear loose clothing that can be trapped in the moving parts of a machine Ensure that your sleeves are fastened or rolled up above your elbows If your hair is long tie or fasten it back Insert the ends of your necktie or scarf inside clothing or fasten it with a nonconductive clip approximately 8 centimeters 3 inches from ...

Страница 10: ...be a complete circuit to cause electrical shock By observing the above rule you may prevent a current from passing through your body When using a tester set the controls correctly and use the approved probe leads and accessories for that tester Stand on suitable rubber mats obtained locally if necessary to insulate you from grounds such as metal floor strips and machine frames Observe the special ...

Страница 11: ...connect the power cord 3 Check the power cord for a A third wire ground connector in good condition Use a meter to measure third wire ground continuity for 0 1 ohm or less between the external ground pin and frame ground b The power cord should be the appropriate type as specified in the parts listings c Insulation must not be frayed or worn 4 Remove the cover 5 Check for any obvious alterations U...

Страница 12: ... grounding of the computer is required for operator safety and correct system function Proper grounding of the electrical outlet can be verified by a certified electrician Safety notices The CAUTION and DANGER safety notices in this section are provided in the language of English DANGER Electrical current from power telephone and communication cables is hazardous To avoid a shock hazard Do not con...

Страница 13: ...row into or immerse in water Heat to more than 100 C 212 F Repair or disassemble Dispose of the battery as required by local ordinances or regulations CAUTION When laser products such as CD ROMs DVD ROM drives fiber optic devices or transmitters are installed note the following Do not remove the covers Removing the covers of the laser product could result in exposure to hazardous laser radiation T...

Страница 14: ...rn off the electrical current supplied to the device The device also might have more than one power cord To remove all electrical current from the device ensure that all power cords are disconnected from the power source 1 2 CAUTION Do not place any object weighing more than 82 kg 180 lbs on top of rack mounted devices 8 Lenovo C240 245 255 All In One PC Hardware Maintenance Manual ...

Страница 15: ...or your computer This section lists the physical specifications for your computer Type Lenovo C240 C245 C255 This section lists the physical specifications Environment Air temperature Operating 10 to 35 C Transit 20 to 55 C Humidity Operating 35 to 80 Transit 20 to 90 40 C Altitude 86KPa to 106KPa Electrical input Input voltage 90V 264V AC Input frequency 47Hz 63Hz Copyright Lenovo 2012 2013 9 ...

Страница 16: ...10 Lenovo C240 245 255 All In One PC Hardware Maintenance Manual ...

Страница 17: ...dure to help determine the cause of the problem 1 Power off the computer and all external devices 2 Check all cables and power cords 3 Set all display controls to the middle position 4 Power on all external devices 5 Power on the computer Look for displayed error codes Look for readable instructions or a main menu on the display If you did not receive the correct response proceed to step 6 If you ...

Страница 18: ...12 Lenovo C240 245 255 All In One PC Hardware Maintenance Manual ...

Страница 19: ...Starting the Setup Utility program You must use the keyboard when using the Lenovo BIOS Setup Utility menu The keys used to perform various tasks are displayed on the bottom of each screen Using passwords You can use the Lenovo BIOS Setup Utility program to set passwords to prevent unauthorized persons from gaining access to your computer and data See Starting the Setup Utility program The followi...

Страница 20: ...novo BIOS Setup Utility program menu and select the Exit option 6 Select Save Changes and Exit from the menu To change an Administrator Password do the following 1 Start the Lenovo BIOS Setup Utility program see Starting the Lenovo BIOS Setup Utility program on page 13 2 From the Security menu select Set Administrator Password and press the Enter key 3 The password dialog box will be displayed Typ...

Страница 21: ...ayed Type the current password then press the Enter key 4 Type the new password then press the Enter key Retype the new password to confirm it If you typed the new password correctly the new password will be installed A Setup Notice will be displayed confirming that your changes have been saved 5 Return to the Lenovo BIOS Setup Utility program menu and select the Exit option 6 Select Save Changes ...

Страница 22: ... Network Setup press the Enter key then select Onboard Ethernet Support or LAN Boot Agent 4 Select Disabled or Enabled and press the Enter key 5 Return to the Lenovo BIOS Setup Utility program menu and select the Exit option 6 Select Save Changes and Exit from the menu Notes a If you do not want to save the settings select Discard Changes and Exit from the menu Selecting a startup device If your c...

Страница 23: ...operating system before Windows 8 on your computer you must change the boot mode to Legacy support The legacy Windows operating system cannot be installed if you don t change the boot mode To change the booting mode do the following 1 Start the Lenovo BIOS Setup Utility program see Starting the Lenovo BIOS Setup Utility program on page 13 2 From the Lenovo BIOS Setup Utility program main menu sele...

Страница 24: ...18 Lenovo C240 245 255 All In One PC Hardware Maintenance Manual ...

Страница 25: ...disk drive boot error A hard disk drive boot error can have the following causes Error FRU Action The startup drive is not included in the boot sequence configuration Check the configuration and ensure the startup drive is in the boot sequence No operating system is installed on the boot drive Install an operating system on the boot drive The boot sector on the startup drive is corrupted The drive...

Страница 26: ...and set the option to Enabled The BIOS then ignores the missing keyboard during POST Reboot and Select proper Boot device or Insert Boot Media in selected Boot device The BIOS was unable to find a suitable boot device Make sure the boot drive is properly connected to the computer Make sure you have bootable media in the boot device Undetermined problems 1 Power off the computer 2 Remove or disconn...

Страница 27: ...ration shows the location of controls and components on the front of the computer Attention Be careful not to block any air vents on the computer Blocked air vents can cause overheating 1 Built in microphone 6 Volume down 2 Built in camera 7 Volume up 3 System Power On Off indicator 8 Brightness down 4 Hard disk drive indicator 9 Brightness up 5 Wi Fi status indicator Copyright Lenovo 2012 2013 21...

Страница 28: ...controls and components on the left and right side of the computer 1 2 3 5 4 6 1 Optical drive 4 Microphone connector 2 Memory card reader 5 Headphone connector 3 USB 3 0 connectors selected models only 6 Power button 22 Lenovo C240 245 255 All In One PC Hardware Maintenance Manual ...

Страница 29: ... of connectors and components on the rear of the computer 1 2 3 4 1 Power connector 4 Ethernet connector 2 HDMI out connector selected models only 5 Air vents 3 USB 2 0 connectors selected models only Chapter 7 Locating connectors controls and components 23 ...

Страница 30: ... 11 1 Front bezel 9 Camera 2 Motherboard 10 Converter board bracket 3 EMI shielding 11 Converter board 4 Optical drive 12 Heat sink module 5 Front indicator board 13 System fan 6 Power switch board 14 Hard disk drive 7 Speaker system 15 Computer stand 8 Rear cover 24 Lenovo C240 245 255 All In One PC Hardware Maintenance Manual ...

Страница 31: ...ry installed or that can be installed later The following illustration shows the location of connectors and components on the front of the motherboard 1 2 3 4 5 7 8 9 6 1 LVDS cable connector 6 TV Tuner card port 2 CPU 7 Power switch cable connector 3 Memory slots 8 Front indicator board cable connector 4 System fan connector 9 Speaker cable connector 5 Wi Fi card port Chapter 7 Locating connector...

Страница 32: ...26 Lenovo C240 245 255 All In One PC Hardware Maintenance Manual ...

Страница 33: ...the Safety and Warranty Guide go to the Support Web site at http support lenovo com Note Use only parts provided by Lenovo General information Pre disassembly instructions Before starting the disassembly procedure make sure that you do the following 1 Turn off the power to the system and all peripherals 2 Unplug all power and signal cables from the computer 3 Place the system on a flat stable surf...

Страница 34: ...e defective keyboard cable from the computer and connect the new keyboard cable to the same connector Note The mouse can be replaced using the same method Replacing the optical drive Attention Turn off the computer and wait 3 to 5 minutes to let it cool down before replacing the optical drive To replace the optical drive Step 1 Remove any media disks CDs DVDs or memory cards from the drives shut d...

Страница 35: ...screw that secures the optical drive to the chassis 2 Step 6 Slide out the optical drive as shown 3 Step 7 Use a small flat head screwdriver to press and push out the pins that secure the cover to the disk 4 5 Step 8 Separate the cover from the defective optical drive Step 9 Install the new optical drive as follows Chapter 8 Replacing hardware 29 ...

Страница 36: ...ce the power adapter Step 1 Remove any media disks CDs DVDs or memory cards from the drives shut down the operating system and turn off the computer and all attached devices Step 2 Locate the connector for the power cord Refer to Rear view Step 3 Disconnect the failing power adapter from the computer Step 4 To install the new power adapter a Connect the new power adapter to the same connector 30 L...

Страница 37: ...turn off the computer and all attached devices Step 2 Unplug all power cords from electrical outlets Step 3 Disconnect all cables attached to the computer This includes power cords input output I O cables and any other cables that are connected to the computer Refer to Left and right view and Rear view for help with locating the various connectors Step 4 Remove the 5 screws that secure the rear co...

Страница 38: ... Refer to Left and right view and Rear view for help with locating the various connectors Step 4 Remove the rear cover Refer to Removing the rear cover Step 5 Push out the latches on both sides of the memory socket to release the memory module 1 Gently pull the memory module upward to remove it from its socket 2 2 1 1 Step 6 To install the new memory module a Align the new memory module with the m...

Страница 39: ...rd disk drive into the hard disk drive bay c Secure the new hard disk drive to the rear cover with the 4 screws d Connect the data and power cables to the new hard disk drive Step 10 Reattach the rear cover and secure it with the screws Replacing the heat sink Note Turn off the computer and wait 3 to 5 minutes to let it cool down before removing the rear cover To replace the heat sink Step 1 Remov...

Страница 40: ...heat sink and system fan Step 8 Reattach the rear cover and secure it with the screws Replacing the system fan Note Turn off the computer and wait 3 to 5 minutes to let it cool down before removing the rear cover To replace the system fan Step 1 Remove any media disks CDs DVDs or memory cards from the drives shut down the operating system and turn off the computer and all attached devices Step 2 U...

Страница 41: ...he screws Replacing the Wi Fi card Note Turn off the computer and wait 3 to 5 minutes to let it cool down before removing the rear cover To replace the Wi Fi card Step 1 Remove any media disks CDs DVDs or memory cards from the drives shut down the operating system and turn off the computer and all attached devices Step 2 Unplug all power cords from electrical outlets Step 3 Disconnect all cables a...

Страница 42: ...ter and wait 3 to 5 minutes to let it cool down before removing the rear cover To replace the speaker system Step 1 Remove any media disks CDs DVDs or memory cards from the drives shut down the operating system and turn off the computer and all attached devices Step 2 Unplug all power cords from electrical outlets Step 3 Disconnect all cables attached to the computer This includes power cords inpu...

Страница 43: ... 3 to 5 minutes to let it cool down before removing the rear cover To replace the front indicator board Step 1 Remove any media disks CDs DVDs or memory cards from the drives shut down the operating system and turn off the computer and all attached devices Step 2 Unplug all power cords from electrical outlets Step 3 Disconnect all cables attached to the computer This includes power cords input out...

Страница 44: ...rd Note Turn off the computer and wait 3 to 5 minutes to let it cool down before removing the rear cover To replace the power switch board Step 1 Remove any media disks CDs DVDs or memory cards from the drives shut down the operating system and turn off the computer and all attached devices Step 2 Unplug all power cords from electrical outlets Step 3 Disconnect all cables attached to the computer ...

Страница 45: ...et it cool down before removing the rear cover To replace the motherboard Step 1 Remove any media disks CDs DVDs or memory cards from the drives shut down the operating system and turn off the computer and all attached devices Step 2 Unplug all power cords from electrical outlets Step 3 Disconnect all cables attached to the computer This includes power cords input output I O cables and any other c...

Страница 46: ...port on the new motherboard and secure it with the screw b Connect the antenna cable s to the Wi Fi card c Line up the holes on the new motherboard with the mounting holes on the rear cover and secure the new motherboard with the 7 screws d Attach the heat sink Wi Fi card memory modules to the new motherboard e Connect all the cables to the new motherboard Step 11 Reattach the rear cover and secur...

Страница 47: ...tep 6 Remove the 6 screws that secure the computer stand to the rear cover 1 Step 7 Slide out the system fan supporting bracket Step 8 Slide out the computer stand as shown 2 1 2 Step 9 To install the new computer stand a Line up the computer stand with the mounting hole on the rear cover and slide it into position b Line up the system fan supporting bracket with mounting hole on the new computer ...

Страница 48: ...e new camera with the 2 screws Step 8 Reattach the rear cover and secure it with the screws Replacing the converter board Note Turn off the computer and wait 3 to 5 minutes to let it cool down before removing the rear cover To replace the converter board Step 1 Remove any media disks CDs DVDs or memory cards from the drives shut down the operating system and turn off the computer and all attached ...

Страница 49: ... Replacing the LED panel Note Turn off the computer and wait 3 to 5 minutes to let it cool down before removing the rear cover To replace the LED panel Step 1 Remove any media disks CDs DVDs or memory cards from the drives shut down the operating system and turn off the computer and all attached devices Step 2 Unplug all power cords from electrical outlets Step 3 Disconnect all cables attached to ...

Страница 50: ...tep 8 Press the pins to unlock the LVDS cable from the connector on the LED panel 1 then pull it out as shown 2 Step 9 Press the pin to unlock the converter cable from the connector on the LED panel 3 then pull the converter cable out as shown 4 1 2 1 3 4 Step 10 Remove the 2 screws that secure the LED panel to the front bezel 44 Lenovo C240 245 255 All In One PC Hardware Maintenance Manual ...

Страница 51: ...tion b Secure the LED panel to the front bezel with the 2 screws c Attach all the cables to the new LED panel d Reattach the converter bracket to the front bezel e Reattach the converter board to the bracket f A converter jumper setting is required after replacing the old panel with a new panel Follow the below diagram to insert the jumper heads to the pins properly depending on the panel brands P...

Страница 52: ...JP 7 Setting LG 18 5 LM185WH2 TLK1 CMI 18 5 M185BGE L23 AUO 18 5 M185XTN01 3 BOE 18 5 B3 HT185WX1 300 Step 13 Reattach the rear cover and secure it with the screws 46 Lenovo C240 245 255 All In One PC Hardware Maintenance Manual ...

Страница 53: ... 2 in the CRU column are Customer Replaceable Units CRUs 1 identifies parts that are fairly simple to replace requiring few or no tools 2 identifies parts that are slightly more difficult to replace N identifies parts that are not to be replaced by the customer 1 2 3 4 5 6 7 8 9 10 13 14 15 12 11 Item Description Service Part Number FRU CRU ID 1 Front bezel C240 FRONT BEZEL BLACKE 90202143 N C240 ...

Страница 54: ...UMA CPU_E2 1800 1 7G MB 90001858 N C245 W8S UMA CPU_E1 1200 1 4G MB 90001859 N C245 W8S UMA CPU_E 450 1 65G MB 90001860 N C245 NOK UMA CPU_E 350D 1 6G MB 90002219 N C245 W8P UMA CPU_E 350D 1 6G MB 90002220 N C245 W8S UMA CPU_E 350D 1 6G MB 90002221 N 3 EMI shielding C245 MB SHIELDING 90202167 N 4 Optical drive PLDS DS 8A8SH 25201487 2 HLDS GT50N 25201635 2 PLDS DS 8A9SH 25209016 2 HLDS GT80N 25209...

Страница 55: ...D For LG 90001848 N C240 CONVERTER BOARD For BOE 90001849 N 12 Heat sink module C240 UMA COOLERMASTER THERMAL 90202151 N C240 UMA AVC THERMAL 90202152 N 13 System fan C240 DELTA FAN 90202149 N C240 SUNON FAN 90202150 N 14 Hard disk drive WD XL500A WD2500AAKX 08ERMA0 250G16M7200 SATA6GHDD LH 16200245 N Seagate Pharaoh 4K ST250DM000 250G HDD LH 16200176 N WD XL500A 6G WD5000AAKX 08ERMA0 16200247 N S...

Страница 56: ...C240 STAND BLACK 90202158 N C240 STAND WHITE 90202159 N 50 Lenovo C240 245 255 All In One PC Hardware Maintenance Manual ...

Страница 57: ...requiring few or no tools 2 identifies parts that are slightly more difficult to replace N identifies parts that are not to be replaced by the customer 1 2 3 4 5 6 7 8 9 10 13 14 15 12 11 Item Name Part Description English FRU PN CRU ID C255 NOK UMA CPU_E1 2500 1 4G 15W MB 90003560 N C255 W8P UMA CPU_E1 2500 1 4G 15W MB 90003564 N 2 Mainboard C255 W8S UMA CPU_E1 2500 1 4G 15W MB 90003568 N C240 DE...

Страница 58: ...ONT BEZEL W Camera WHITE 90202144 N C240 FRONT BEZEL W O Camera BLACK 90202525 N 1 Front bezel C240 FRONT BEZEL W O Camera WHITE 90202526 N C240 HDD BRACKET 90202147 N C240 HDD SHIELDING 90202425 N C240 ODD DOOR BLACK 90202153 N C240 ODD DOOR WHITE 90202154 N C240 ODD BRACKET 90202155 N C240 STAND BLACK 90202158 N 15 Computer stand C240 STAND WHITE 90202159 N C240 REAR COVER W ODD BLACK 90202161 N...

Страница 59: ... Pharaoh 4K ST500DM002 500G HDD LH 16200178 N WDXL500A WD5000AAKX 08U6AA0 500G HDD LH 16200544 N 500G TSB Mars 4K 500G DT01ACA050 LH 16200512 N WD XL1000S WD10EZEX 08RKKA0 1TB HDD LH 16200292 N SGT Grenada BP ST1000DM003 1TB HDD LH 16200293 N 3 5inch SATA6G 7 2K Grenada BP 1 5 1TB 16200528 N 14 1TB TSB Mars 4K 1TB DT01ACA100 LH 16200513 N HLDS GT80N Slim SATA Rambo光驱无面板 LH 25209015 N 4 ODD PLDS DS...

Страница 60: ...9 1 Sunrex EKB 10YA FR B Silk USB KB LVT8 25209130 1 Sunrex EKB 10YA GK B Silk USB KB LVT8 25209131 1 Sunrex EKB 10YA HG B Silk USB KB LVT8 25209132 1 Sunrex EKB 10YA BG B Silk USB KB LVT8 25209133 1 Sunrex EKB 10YA HR B Silk USB KB LVT8 25209134 1 Sunrex EKB 10YA JP B Silk USB KB LVT8 25209135 1 Sunrex EKB 10YA EN FR B S USB KB LVT8 25209136 1 Sunrex EKB 10YA PT B Silk USB KB LVT8 25209137 1 Sunr...

Страница 61: ...Silk Mouse 25200529 1 Sunrex LXH EMS 10ZA B Silk Mouse 25200530 1 Liteon LXH SM 8825 W Silk Mouse 25201068 1 Sunrex LXH EMS 10ZA W Silk Mouse 25201322 1 Primax M300 USB gesture mouse BLK 25213876 1 Liteon M300 USB gesture mouse BLK 25213877 1 Mouse Mouse Primax M300 USB gesture mouse WHT 25213977 1 longwell Black Single end 1 0m3wire ULCSA Power Cable 31033857 1 Volex 1m C5 US Power Cable 31033858...

Страница 62: ...olex 1m C5Denmarl Power Cable 31049503 1 Luxshare1 0m C5 Denmarl Power Cable 31503360 1 Longwell Black Single end 1 0m Switzerland C5 Power Cable 31039103 1 Volex 1m C5Switzerland Power Cable 31049508 1 Luxshare1 0m C5 Switzerland Power Cable 31503361 1 Longwell Black Single end 1 0m Israel C5 Power Cable 31039107 1 Volex 1m C5 Israel Power Cable 31049502 1 Luxshare1 0m C5 Isereal Power Cable 3150...

Страница 63: ... is allowed to control the power management features of the computer and the settings for Advanced Power Management APM BIOS mode is ignored Not all operating systems support ACPI BIOS mode Automatic Power On features The Automatic Power On features within the Power Management menu allow you to enable and disable features that turn on the computer automatically Wake Up on Alarm You can specify a d...

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