Lenovo C50 Series Скачать руководство пользователя

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Wifi Combo

Liteon WB335 BT4.0 HMC WLAN

20200437

LTN RTL8723BE BT HMC WLAN

20200439

LTN RTL8821AE 1x1ac+BT4.0 Combo HMC

11202485

CBT RTL8821AE 1x1ac BT combo HMC

20200571

Camera

AVC 720P 5840 Hi162 WB 1DM S Cam

20200643

Bison 720P 5840 Hi162 WB 1DM S Cam

20200644

LT 720P 5840 Hi162 WB 1DM S Cam

20200667

Camera W C50-30 W/Bracket

5B40G86489

Liteon LXH-SM-8825 Black Silk Mouse-LVT

25200528

Sunrex LXH-EMS-10ZA Black Silk Mouse-LVT

25200530

Liteon LXH-SM-8825 W-Silk Mouse

25201068

Sunrex LXH-EMS-10ZA W-Silk Mouse

25201322

Liteon SM-8861(WW) Mouse Black

25203464

Liteon SM-8861 Mouse(No Battery) Black

25203465

Liteon SM-8861 Mouse(MY) Black

25203466

Liteon SM-8861(JP) Mouse-Black

25205773

Liteon SM-8861(WW) 2.4G Mouse White

25211016

Liteon SM-8861 2.4G Mouse(No Battery)WTE

25211017

Liteon SM-8861 2.4G Mouse(MY) White

25211018

Liteon SM-8861 2.4G Mouse(JP) White

25211019

Sunrex EKB-10YA(US) B-Silk USB KB-LVT8

25209111

Primax KB4721(US) B-Silk USB KB-LVT8

25209112

Doking DOK5321(US)B-Silk USB KB-LVT8

OOPC201

Sunrex EKB-10YA(TW) B-Silk USB KB-LVT8

25209114

Sunrex EKB-10YA(TH) B-Silk USB KB-LVT8

25209115

Sunrex EKB-10YA(CZ-SL) B-S USB KB-LVT8

25209116

Sunrex EKB-10YA(IN) B-Silk USB KB-LVT8

25209117

Sunrex EKB-10YA(RU) B-Silk USB KB-LVT8

25209118

Sunrex EKB-10YA(UK) B-Silk USB KB-LVT8

25209119

Sunrex EKB-10YA(Nordic) B-S USB KB-LVT8

25209120

Sunrex EKB-10YA(LA) B-Silk USB KB-LVT8

25209121

Sunrex EKB-10YA(AR) B-Silk USB KB-LVT8

25209122

Sunrex EKB-10YA(SW) B-Silk USB KB-LVT8

25209123

Sunrex EKB-10YA(GE) B-Silk USB KB-LVT8

25209124

Sunrex EKB-10YA(TR) B-Silk USB KB-LVT8

25209125

Sunrex EKB-10YA(SP) B-Silk USB KB-LVT8

25209126

Sunrex EKB-10YA(SL) B-Silk USB KB-LVT8

25209127

Chapter 8

FRU lists

Содержание C50 Series

Страница 1: ...Lenovo C50 Series All In One Computer Hardware Maintenance Manual Machine Types F0B1 C50 30 ...

Страница 2: ......

Страница 3: ...Lenovo C50 Series All In One Computer Hardware Maintenance Manual Machine Types F0B1 C50 30 ...

Страница 4: ...ight Lenovo 2014 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: ...t error 19 Power Supply Problems 19 POST error codes 20 Undetermined problems 20 Chapter 7 Replacing hardware 21 General information 21 Replacing the keyboard and mouse 22 Replacing the power cord 22 Removing the stand base 23 Removing the foot cover 24 Replacing the memory module 25 Replacing the hard disk drive 26 Replacing the optical drive 27 Removing the stand holder 29 Removing the middle co...

Страница 6: ...iv Lenovo C50 Series All In One Computer Hardware Maintenance Manual ...

Страница 7: ...ION 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 nel ...

Страница 8: ...2 Lenovo C50 Series All In One Computer Hardware Maintenance Manual ...

Страница 9: ...from 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 non conductive clip approximately 8 centimeters 3 inches fro...

Страница 10: ... 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 sa...

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: ...rounding 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 conne...

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: ... 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 C50 Series All In One Computer Hardware Maintenance Manual ...

Страница 15: ...ions for your computer This section lists the physical specifications for your computer Type Lenovo C50 30 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 2014 9 ...

Страница 16: ...10 Lenovo C50 Series All In One Computer Hardware Maintenance Manual ...

Страница 17: ...cedure 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 yo...

Страница 18: ...12 Lenovo C50 Series All In One Computer Hardware Maintenance Manual ...

Страница 19: ...ee 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 foll...

Страница 20: ...llowing 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 Type the current password then press the Enter key 4 Type the new password then press the Enter key Re type the password to confirm the new password If you t...

Страница 21: ...n Password leave each new password line item blank then press Enter A Setup Notice confirming that changes have been saved will be displayed 4 Return to the Lenovo BIOS Setup Utility program menu and select the Exit option 5 Select Save changes and Exit from the menu Enabling or disabling a device The Devices options is used to enable or disable user access to the following devices USB Functions S...

Страница 22: ... When the Startup Device Menu appears release the F12 key Note If the Startup Device Menu does not display using these steps repeatedly press and release the F12 key rather than keeping it pressed when turning on the computer 3 Use and arrows to select the desired startup device from the Startup Device Menu and press the Enter key to begin Note Selecting a startup device from the Startup Device Me...

Страница 23: ... program main menu You might have to press the Esc key several times Do one of the following If you want to save the new settings select Save changes and Exit from the menu When the Save reset window shows select the Yes button and then press the Enter key to exit the Lenovo BIOS Setup Utility program If you do not want to save the settings select Discard changes and Exit from the menu When the Re...

Страница 24: ...18 Lenovo C50 Series All In One Computer Hardware Maintenance Manual ...

Страница 25: ...d disk drive boot error A hard disk drive boot error can be caused by the following 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 dr...

Страница 26: ...d 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 disconnec...

Страница 27: ...he Safety and Warranty Guide go to the Support Web site at http consumersupport 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 stab...

Страница 28: ...uter Step 4 Disconnect the defective keyboard cable from the computer and connect the new keyboard cable to the same connector Step 5 The mouse can be replaced using the same method Replacing the power cord Attention Turn off the computer and wait 3 to 5 minutes to let it cool down before removing the cover Step 1 Remove any media disks CDs or memory cards from the drives shut down the operating s...

Страница 29: ...rotect the touch screen from scratches or other damage Step 1 Remove any media disks CDs 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 cables that are connected...

Страница 30: ...novo recommends that you use a blanket towel or other soft cloth to protect the touch screen from scratches or other damage Step 1 Remove any media disks CDs 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 ...

Страница 31: ...a blanket towel or other soft cloth to protect the touch screen from scratches or other damage Step 1 Remove any media disks CDs 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...

Страница 32: ...ool down before removing the cover Note It may be helpful to place the computer face down on a soft flat surface for this procedure Lenovo recommends that you use a blanket towel or other soft cloth to protect the touch screen from scratches or other damage Step 1 Remove any media disks CDs or memory cards from the drives shut down the operating system and turn off the computer and all attached de...

Страница 33: ... drive and bracket back into position Step 9 Reattach the foot cover and stand base Replacing the optical drive Attention Turn off the computer and wait 3 to 5 minutes to let it cool down before removing the cover Note It may be helpful to place the computer face down on a soft flat surface for this procedure Lenovo recommends that you use a blanket towel or other soft cloth to protect the touch s...

Страница 34: ...the foot cover Refer to Removing the foot cover Step 6 Locate the optical removal notch and then use a screw driver push the optical drive out Step 7 Push a small iron stick paper clip into the small hole on the optical drive cover so that the disk springs out as shown Step 8 Remove the 2 screws that secure the optical drive to the metal bracket 1 Step 9 Use a small flat head screwdriver to press ...

Страница 35: ...r screen from scratches or other damage To remove the stand holder 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 cables t...

Страница 36: ... computer screen from scratches or other damage To remove the middle cover 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 ...

Страница 37: ...ove the seven screws that secure the middle cover to the chassis then Step 9 The middle cover is pinned to the rear deco use a plastic spudger to release the middle cover as shown Chapter 7 Replacing hardware 31 ...

Страница 38: ...he 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 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 ...

Страница 39: ...face for this procedure Lenovo recommends that you use a blanket towel or other soft cloth to protect the computer screen from scratches or other damage To replace the EMI cover 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 Disconne...

Страница 40: ...he computer face down on a soft flat surface for this procedure Lenovo recommends that you use a blanket towel or other soft cloth to protect the computer screen from scratches or other damage 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 cord...

Страница 41: ...ard to the motherboard with the screw c Connect the antenna cables to the new Wi Fi card Step 14 Reattach the EMI cover middle cover optical drive stand holder foot cover and stand base Replacing the heat sink Note Turn off the computer and wait 3 to 5 minutes to let it cool down before removing the cover Note It may be helpful to place the computer face down on a soft flat surface for this proced...

Страница 42: ...move the sealing tape between the system fan and heat sink Step 11 Remove the five screws that secure the heat sink to the motherboard and chassis Step 12 Lift up the heat sink to remove it Attention Place the heat sink upside down on a flat surface to prevent thermal grease from contaminating other components Attention Use an alcohol pad to wipe the thermal grease off the CPU Step 13 To install t...

Страница 43: ...ludes 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 stand base Refer to Removing the stand base Step 5 Remove the foot cover Refer to Removing the foot cover Step 6 Remove the optical drive Refer to Replacing the optical drive Step 7 Remove the st...

Страница 44: ...eplace 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 input output I O cables and any other cables that are connected to the computer Refer t...

Страница 45: ...hat you use a blanket towel or other soft cloth to protect the computer screen from scratches or other damage 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 comp...

Страница 46: ... Note It may be helpful to place the computer face down on a soft flat surface for this procedure Lenovo recommends that you use a blanket towel or other soft cloth to protect the computer screen from scratches or other damage 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 d...

Страница 47: ...cing the WLAN card Step 13 Unplug the following cables from connectors on the motherboard Converter cable System fan power cable Touch control board cable Optical drive SATA cable Red Hard disk drive SATA cable Black Hard disk drive and optical drive power cable Power switch board cable Speaker system cable Camera cable LVDS cable Step 14 Remove the six screws that secure the motherboard to the ch...

Страница 48: ...e rear deco 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 cables that are connected to the computer Refer to Left and rig...

Страница 49: ...en from scratches or other damage To replace the camera 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 cables that are con...

Страница 50: ... flat surface for this procedure Lenovo recommends that you use a blanket towel or other soft cloth to protect the computer screen from scratches or other damage To replace the LED panel module 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...

Страница 51: ...he power switch board Refer to Replacing the power switch Step 13 Remove the rear deco Refer to Removing the rear deco Step 14 Remove the camera Refer to Replacing the camera Step 15 Disconnect the converter cable from the connector on the LED panel Step 16 Disconnect the LVDS cable from the connector on the motherboard Step 17 Remove the four screws that secure the chassis to the front bezel push...

Страница 52: ...Step 19 Remove the four screws that secure the LED panel to the chassis Step 20 Lift up the chassis from the LED panel 46 Lenovo C50 Series All In One Computer Hardware Maintenance Manual ...

Страница 53: ... Step 22 To install the new the LED panel module a Connect the LVDS cable to the LED panel b Line up the chassis with new LED panel module place the chassis into position c Connect the converter cable to the connector on the LED panel Chapter 7 Replacing hardware 47 ...

Страница 54: ...odule then slide the rear deco into position i Secure the rear deco to the new LED module with the screws j Line up the chassis and new LED panel with the front bezel and then place it into position k Secure the chassis and LED panel to the front bezel using the four screws l Attach the speaker module to the new LED module Step 23 Reattach the system fan EMI cover middle cover optical drive comput...

Страница 55: ...30W8P 2G I3 4030U 820A MB 5B20G81604 W C50 30W8PI3 4030UW HD_INUMAMB 5B20G81608 W C50 30 W8P I3 4030U UMA MB 5B20G81611 W C50 30W8P 1G I5 4210U 820A MB 5B20G81615 W C50 30W8P 2G I5 4210U 820A MB 5B20G81618 W C50 30W8PI5 4210UW HD_INUMAMB 5B20G81606 W C50 30 W8P I5 4210U UMA MB 5B20G81609 W C50 30 W8P 1G 3558U 820A MB 5B20G81612 W C50 30 W8P 2G 3558U 820A MB 5B20G81617 W C50 30 W8P 3558U UMA MB 5B2...

Страница 56: ...eld W C50 30 W HD_IN OUT 5M20G86522 N STAND Stand Module W C50 30 Dark 5SE0G86490 Stand Module W C50 30 Light 5SE0G86510 N SPEAKERINT Speaker W C50 30 5SB0G86486 N BRACKET Bracket ODD B5030 5B40G56047 Bracket HDD B5030 5B40G56064 Middle Frame LG W C50 30 5B40G86491 Middle Frame SAM W C50 30 5B40G86512 N SHIELD Shielding HDD B5030 5S60G56046 N CABLE W C50 30 Camera Cable 5C10G86498 W C50 30 Convert...

Страница 57: ...6526 Front Cover W C50 30 BLK NT 5CB0G86493 Front Cover W C50 30 WHT NT 5CB0G86513 N DISPLAY LCD Module W C50 30 TS LG BLK 5D10G81603 LCD Module W C50 30 TS SAM BLK 5D10G81610 LCD Module W C50 30 TS LG WHT 5D10G81607 LCD Module W C50 30 TS SAM WHT 5D10G81605 LCDModuleW C50 30 TS LGOfilm BLK 5D10H03852 LCDModuleW C50 30 TS SAMOfilm BLK 5D10H03853 LCDModuleW C50 30 TS LGOfilm WHT 5D10H03854 LCDModul...

Страница 58: ...00983 HMT425S6AFR6A PB 2GB D3L 1600S Memory HF 1100643 MT4KTF25664HZ 1G6E1 2GB D3L 1600S Memory 1100956 Mic_R D9PSH 2GB D3L 1600S Memory HF 1100965 M471B5173DB0 YK0 4GB D3L 1600S Memory HF 1100942 HMT451S6BFR8A PB 4GB D3L 1600S Memory HF 1100985 HMT451S6AFR8A PB 1100638 MT8KTF51264HZ 1G6E1 4GB D3L 1600S Memory HF 1100957 Mic_R D9QBJ 4GB D3L 1600S Memory HF 1100967 M471B5674QH0 YK0 2GB D3L 1600S Me...

Страница 59: ...teon SM 8861 2 4G Mouse No Battery WTE 25211017 Liteon SM 8861 2 4G Mouse MY White 25211018 Liteon SM 8861 2 4G Mouse JP White 25211019 Sunrex EKB 10YA US B Silk USB KB LVT8 25209111 Primax KB4721 US B Silk USB KB LVT8 25209112 Doking DOK5321 US B Silk USB KB LVT8 OOPC201 Sunrex EKB 10YA TW B Silk USB KB LVT8 25209114 Sunrex EKB 10YA TH B Silk USB KB LVT8 25209115 Sunrex EKB 10YA CZ SL B S USB KB ...

Страница 60: ...B LVT8 25209150 Sunrex EKB 10YA RU W Silk USB KB LVT8 25209151 Sunrex EKB 10YA UK W Silk USB KB LVT8 25209152 Sunrex EKB 10YA Nordic W S USB KB LVT8 25209153 Sunrex EKB 10YA LA W Silk USB KB LVT8 25209154 Sunrex EKB 10YA AR W Silk USB KB LVT8 25209155 Sunrex EKB 10YA SW W Silk USB KB LVT8 25209156 Sunrex EKB 10YA GE W Silk USB KB LVT8 25209157 Sunrex EKB 10YA TR W Silk USB KB LVT8 25209158 Sunrex ...

Страница 61: ...9191 Liteon SK 8861 IT 2 4G KB Black8 25209192 Liteon SK 8861 IL 2 4G KB Black8 25209193 Liteon SK 8861 FR 2 4G KB Black8 25209194 Liteon SK 8861 GR 2 4G KB Black8 25209195 Liteon SK 8861 HU 2 4G KB Black8 25209196 Liteon SK 8861 BG 2 4G KB Black8 25209197 Liteon SK 8861 KR 2 4G KB Black8 25209198 Liteon SK 8861 JP 2 4G KB Black8 25209199 Liteon SK 8861 EN FR 2 4G KB Black8 25209200 Liteon SK 8861...

Страница 62: ...B LAck single head 1 0M 3wire ULCSA Power Cord 31033857 Volex 1 0M C5 US Power Cord 31033858 Luxshare 1 0M C5 US Power Cord 31049517 Longwell B LAck single head 1 0M SAA Power Cord 31035397 Volex 1 0M C5 Macao Power Cord 31049500 Luxshare 1 0M C5 Macao Power Cord 31049520 Longwell 1 0M C5 2pin Japan Power Cord 31503423 Volex 1 0M C5 2pin Japan Power Cord 31503424 Luxshare 1 0M C5 2pin Japan Power ...

Страница 63: ...M Switzer LAnd C5 Power Cord 31039103 Volex 1 0M C5 Switzer LAnd Power Cord 31049508 Luxshare 1 0M C5 Switzer LAnd Power Cord 31503361 Longwell B LAck single head 1 0M Israel C5 Power Cord 31039107 Volex 1 0M C5 Israel Power Cord 31049502 Luxshare 1 0M C5 Israel Power Cord 31503362 Longwell B LAck single head 1 0M Taiwan C5 Power Cord 31038885 Volex 1 0M C5 Taiwan Power Cord 31049499 Luxshare 1 0M...

Страница 64: ...58 Lenovo C50 Series All In One Computer Hardware Maintenance Manual ...

Страница 65: ... As this computer has an ACPI BIOS system the operating system 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 t...

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Lenovo C50 Series, Руководство по техническому обслуживанию аппаратной части

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