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Lenovo N23 Hardware Maintenance Manual

Figure 9. Removal steps of LCD panel, LCD cable and hinges (continued)

Remove screws

4

, and then remove the LCD bracket.

d

d

d

d

Step Screw (quantity)

Color Torque

6

M2 x 4 mm, flat-head, nylok-coated(4)

Silver

1.5 kgfcm

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Summary of Contents for N23

Page 1: ...Lenovo N23 Hardware Maintenance Manual ...

Page 2: ...ices on page 64 First Edition June 2016 Copyright Lenovo 2016 All rights reserved LIMITED AND RESTRICTED RIGHTS NOTICE If data or software is delivered pursuant a General Services Administration GSA contract use reproduction or disclosure is subject to restrictions set forth in Contract No GS 35F 05925 2016 Lenovo ...

Page 3: ... Restore of factory default 23 Passwords 24 Power on password 24 Hard disk password 24 Supervisor password 24 Power management 25 Screen blank state 25 Putting the computer to sleep or shutting it down 25 Putting your computer to sleep 25 Shutting down the computer 26 Lenovo N23 27 Specifications 27 Status indicators 29 Fn key combinations 30 FRU replacement notices 31 Screw notices 31 Removing an...

Page 4: ...idelines and safety information required for servicing computers The product specific section includes service reference and product specific parts information Important This manual is intended only for trained servicers who are familiar with Lenovo products Use this manual to troubleshoot problems effectively Before servicing a Lenovo product make sure to read all the information under Safety inf...

Page 5: ...with before you service a Lenovo N23 computer General safety on page 2 Electrical safety on page 3 Safety inspection guide on page 5 Handling devices that are sensitive to electrostatic discharge on page 6 Grounding requirements on page 6 Safety notices multilingual translations on page 7 Laser compliance statement on page 14 ...

Page 6: ...e away from all personnel while you are servicing the machine Keep your toolcase away from walk areas so that other people will not trip over it Do not wear loose clothing that can be trapped in the moving parts of the machine Make sure that your sleeves are fastened or rolled up above your elbows If your hair is long fasten it Insert the ends of your necktie or scarf inside clothing or fasten it ...

Page 7: ...x in the off position If you need to work on a machine that has exposed electrical circuits observe the following precautions Ensure that another person familiar with the power off controls is near you Attention Another person must be there to switch off the power if necessary Use only one hand when working with powered on electrical equipment keep the other hand in your pocket or behind your back...

Page 8: ...a plastic dental mirror The surface is conductive such touching can cause personal injury and machine damage Do not service the following parts with the power on when they are removed from their normal operating places in a machine Power supply units Pumps Blowers and fans Motor generators and similar units This practice ensures correct grounding of the units If an electrical accident occurs Cauti...

Page 9: ...e or missing hardware To determine whether there are any potential unsafe conditions use the following checklist at the beginning of every service task Begin the checks with the power off and the power cord disconnected Checklist 1 Check exterior covers for damage loose broken or sharp edges 2 Turn off the computer Disconnect the power cord 3 Check the power cord for a A third wire ground connecto...

Page 10: ...o eliminate static on your body Prevent the part from touching your clothing Most clothing is insulative and retains a charge even when you are wearing a wrist strap Use the black side of a grounded work mat to provide a static free work surface The mat is especially useful when handling ESD sensitive devices Select a grounding system such as those listed below to provide protection that meets the...

Page 11: ... Austausch der Computer wieder angeschlossen wird muß sichergestellt werden daß keine Schrauben Federn oder andere Kleinteile fehlen oder im Gehäuse vergessen wurden Der Computer muß geschüttelt und auf Klappergeräusche geprüft werden Metallteile oder splitter können Kurzschlüsse erzeugen Prima di accendere l elaboratore dopo che é stata effettuata la sostituzione di una FRU accertarsi che tutte l...

Page 12: ...n Sie darf nicht zerlegt wiederaufgeladen kurzgeschlossen oder Feuer oder Wasser ausgesetzt werden Bei der Entsorgung die örtlichen Bestimmungen für Sondermüll beachten Beim Ersetzen der Bereitschafts oder Systembatterie nur Batterien des Typs verwenden der in der Ersatzteilliste aufgeführt ist Der Einsatz falscher Batterien kann zu Entzündung oder Explosion führen Alcune batterie di riserva conte...

Page 13: ...schlossen oder Feuer oder Wasser ausgesetzt werden Bei der Entsorgung die örtlichen Bestimmungen für Sondermüll beachten Beim Ersetzen der Batterie nur Batterien des Typs verwenden der in der Ersatzteilliste aufgeführt ist Der Einsatz falscher Batterien kann zu Entzündung oder Explosion führen La batteria contiene piccole quantità di nichel Non smontarla gettarla nel fuoco o nell acqua né cortocir...

Page 14: ...s Typs dürfen nicht aufgeladen zerlegt über 100 C erhitzt oder verbrannt werden Auch darf ihr Inhalt nicht mit Wasser in Verbindung gebracht oder der zur richtigen Polung angebrachte Verbindungsstecker entfernt werden Bei der Entsorgung die örtlichen Bestimmungen für Sondermüll beachten Beim Ersetzen der Batterie nur Batterien des Typs verwenden der in der Ersatzteilliste aufgeführt ist Der Einsat...

Page 15: ...irm besteht aus Glas und kann zerbrechen wenn er unsachgemäß behandelt wird oder der Computer auf den Boden fällt Wenn der Bildschirm beschädigt ist und die darin befindliche Flüssigkeit in Kontakt mit Haut und Augen gerät sollten die betroffenen Stellen mindestens 15 Minuten mit Wasser abgespült und bei Beschwerden anschließend ein Arzt aufgesucht werden Nel caso che caso l LCD si dovesse rompere...

Page 16: ...tery can produce enough current to burn personnel or combustible materials Bien que le voltage des batteries principales soit peu élevé le court circuit ou la mise à la masse d une batterie peut produire suffisamment de courant pour brûler des matériaux combustibles ou causer des brûlures corporelles graves Obwohl Hauptbatterien eine niedrige Spannung haben können sie doch bei Kurzschluß oder Erdu...

Page 17: ...t déconnectez tous les cordons d interface Die Stromzufuhr muß abgeschaltet alle Stromkabel aus der Steckdose gezogen der Akku entfernt und alle Verbindungskabel abgenommen sein bevor eine FRU entfernt wird Prima di rimuovere qualsiasi FRU spegnere il sistema scollegare dalle prese elettriche tutti i cavi di alimentazione rimuovere la batteria e poi scollegare i cavi di interconnessione Antes de q...

Page 18: ...mance of procedures other than those specified herein might result in hazardous radiation exposure O uso de controles ajustes ou desempenho de procedimentos diferentes daqueles aqui especificados pode resultar em perigosa exposição à radiação Pour éviter tout risque d exposition au rayon laser respectez les consignes de réglage et d utilisation des commandes ainsi que les procédures décrites Werde...

Page 19: ...uz Rayonnement laser si carter ouvert Évitez de fixer le faisceau de le regarder directement avec des instruments optiques ou de vous exposer au rayon Laserstrahlung bei geöffnetem Gerät Nicht direkt oder über optische Instrumente in den Laserstrahl sehen und den Strahlungsbereich meiden Kinyitáskor lézersugár Ne nézzen bele se szabad szemmel se optikai eszközökkel Kerülje a sugárnyalábbal való ér...

Page 20: ...d on the customer support site http support lenovo com Strategy for replacing FRUs Before replacing parts Make sure that all software fixes drivers and BIOS downloads are installed before replacing any FRUs listed in this manual After a system board is replaced ensure that the latest BIOS is loaded to the system board before completing the service action To download software fixes drivers and BIOS...

Page 21: ...onfiguration settings using the View Configuration option then when service has been completed verify that those settings remain in effect Strategy for replacing a hard disk drive Always try to run a low level format before replacing a hard disk drive This will cause all customer data on the hard disk to be lost Make sure that the customer has a current backup of the data before performing this ac...

Page 22: ...nce well before the implementation date and expects its suppliers to be ready to support Lenovo s requirements and schedule in the EU Products sold in 2005 and 2006 will contain some RoHS compliant FRUs The following statement pertains to these products and any product Lenovo produces containing RoHS compliant FRUs RoHS compliant FRUs have unique FRU part numbers Before or after the RoHS implement...

Page 23: ...ence might have been altered If you select an incorrect drive data or programs might be overwritten Replace an FRU only with another FRU of the correct model When you replace an FRU make sure that the machine model and the FRU part number are correct by referring to the FRU parts list An FRU should not be replaced just because of a single unreproducible failure Single failures can occur for a vari...

Page 24: ...arranty by referring to the following list The following are not covered under warranty LCD panel cracked from the application of excessive force or from being dropped Scratched cosmetic parts Distortion deformation or discoloration of the cosmetic parts Plastic parts latches pins or connectors that have been cracked or broken by excessive force Damage caused by liquid spilled into the system Dama...

Page 25: ... continuity and installation If the computer does not charge during operation go to Checking operational charging on page 21 To check the AC adapter follow the steps below 1 Unplug the AC adapter cable from the computer 2 Measure the output voltage at the plug of the AC adapter cable See the following figure 2 1 Note Output voltage for the AC adapter pin No 2 may differ from the one you are servic...

Page 26: ...f the battery status indicator or icon is not lit remove the battery pack and let it return to room temperature Reinstall the battery pack If the charge indicator or icon is still off replace the battery pack If the charge indicator is still not lit replace the system board ...

Page 27: ...overy System In order to save application files and the initial backed up files of the system the hard disk in a Lenovo computer includes a hidden partition when it is shipped If you need to restore the system to the point of your first boot up just enter Lenovo OneKey Recovery System and run System Recovery For details of OneKey Recovery System see the User Guide for Lenovo OneKey Recovery system...

Page 28: ...ystem administrator who can use it to get access to the hard disk drive even if the user has changed the user HDP Attention If the user HDP has been forgotten check whether a master HDP has been set If it has it can be used for access to the hard disk drive If no master HDP is available neither Lenovo nor Lenov authorized service technicians provide any services to reset either the user or the mas...

Page 29: ...d working with your computer you can put it to sleep or shut it down Putting your computer to sleep If you will be away from your computer for only a short time put the computer to sleep When the computer is in sleep mode you can quickly wake it to resume use bypassing the startup process To put the computer to sleep do one of the following Close the display lid Press the power button Move the cur...

Page 30: ...o use your computer for a long time shut it down To shut down your computer do one of the following Move the cursor to the lower left corner and then select the Start button Select Power Shut down Right click the Start button in the lower left corner and select Shut down or sign out Shut down ...

Page 31: ... table lists the specifications of the Lenovo N23 Table 1 Specifications Feature Description Form Factor Dimensions Appr 300 5 mm 212 5 mm 23 3 mm Weight Appr 1 4 kg with battery LCD size 11 6 inch Processor Processor See the system properties of your computer you can do this as follows Click Control Panel then click Hardware and Sound click Device Manager under Devices and Printers and double cli...

Page 32: ...ry card slot Micro SD slot 1 Battery pack Type Li ion battery pack Cells Capacity 3 Cells 45 Wh Note The capacity given here is the typical or average capacity as measured in a specific test environment Capacities measured in other environments may differ but are no lower than the rated capacity see product label AC power adapter Input 100 240 V 50 60 Hz Output voltage 20 V DC Power 45 W Miscellan...

Page 33: ... battery has more than 20 charge Solid amber The battery has between 5 and 20 charge Fast blinking amber The battery has between 1 and 5 charge Connected Slow blinking amber The battery is being charged When battery charge reaches 20 the blinking color changes to white Slow blinking white The battery has between 20 and 80 charge and is still charging When the battery reaches 80 charge the light wi...

Page 34: ...ware Maintenance Manual Fn key combinations The following table describes the functions of Fn key combinations Table 3 Function key combinations Fn PgUp Enable Disable the scroll lock Fn PgDn Activate the system request ...

Page 35: ...s for reuse when replacing FRUs Use a torque screwdriver if you have one Tighten screws as follows Plastic to plastic Turn an additional 90 after the screw head touches the surface of the plastic part more than 90 Cross section Logic card to plastic Turn an additional 180 after the screw head touches the surface of the logic card more than 180 Cross section Torque driver If you have a torque screw...

Page 36: ...iven by the arrow in the figure 7 To put the new FRU in place reverse the removal procedures and follow any of the notes that pertain to replacement For information about connecting and arranging internal cables see Locations on page 51 8 When replacing an FRU use the correct screw as shown in the procedures DANGER Before removing any FRU turn off the computer unplug all power cords from electrica...

Page 37: ...steps of base cover Remove the screws 1 Carefully pry off the base cover and lift it up in the direction shown by arrow 2 b a a a a a a a a a a a Step Screw quantity Color Torque 1 M2 5 5 5 mm flat head nylok coated 11 Lower to Upper Black 2 kgf cm ...

Page 38: ...rom the old base cover and put on the new base cover a Rating label b Print label c BT WL for US CA TW ISRAEL label d INDIA label e KOREA label f Indonesia SDPPI label 15 X 10 mm g Indonesia label 26 X 10 mm For some models you also need to apply one or two FCC labels Check the old base cover if it has one or two FCC labels find duplicates of them in the label kit and apply them to the new base co...

Page 39: ...battery could ignite or explode Figure 2 Removal steps of battery pack Unplug the battery connector 1 and remove the screws 2 Then remove the battery pack in the direction shown by arrow 3 b b b b a c b Step Screw quantity Color Torque 2 M2 3 mm flat head nylok coated 5 Bty to Upper Black 1 5 kgf cm When installing Make sure that the battery connector is attached firmly ...

Page 40: ...in order to comply with FCC and IC regulations Refer to Table 4 Parts list Overall on page 54 for Lenovo part numbers for the approved modules Figure 3 Removal steps of PCI Express Mini Card for wireless LAN Peel off the adhesive tape Disconnect the two wireless LAN cables black white 1 and then remove the screw 2 a a b Step Screw quantity Color Torque 2 M2 3 mm flat head nylok coated 1 WLAN to Up...

Page 41: ...has 2 cables in step 1 The wireless LAN card in some models might have 3 cables in step 1 When installing In models with a wireless LAN card that has two antenna connectors plug the black cable 1st MAIN into the jack labeled 1 and the white cable 2nd AUX into jack labeled 2 on the card In models with a wireless LAN card that has three antenna connectors plug the black cable 1st MAIN into the jack ...

Page 42: ...33 1020 Battery pack on page 35 1030 PCI Express Mini Card for wireless LAN on page 36 Figure 4 Removal steps of LCD unit Peel off the adhesive tape Disconnect the camera cable connector 1 Remove the screws 2 b b b b a Step Screw quantity Color Torque 2 M2 5 x 5 mm flat head nylok coated 4 Hinge to Upper Black 2 kgf cm ...

Page 43: ...39 Lenovo N23 Figure 4 Removal steps of LCD unit continued Open the hinges 3 then remove the upper case from the LCD unit in the direction shown by arrow 4 d c c ...

Page 44: ...ly on a padded surface such as an ESD mat or conductive corrugated material For access remove these FRUs in order 1010 Base cover on page 33 1020 Battery pack on page 35 1030 PCI Express Mini Card for wireless LAN on page 36 1040 LCD unit on page 38 Figure 5 Removal steps of system board Peel off the adhesive tape Remove screws 1 Unplug speaker connector and backup battery connector in the directi...

Page 45: ...41 Lenovo N23 Figure 5 Removal steps of system board continued b b c d When installing Make sure that all the connectors are attached firmly Remove the system board in the direction shown by arrow 5 e ...

Page 46: ...reless LAN on page 36 1040 LCD unit on page 38 1050 System board on page 40 Figure 6 Removal steps of speakers Remove screws 1 Peel off the adhesive tape Lift the speakers in the direction shown by arrows 2 a a b b a a Step Screw quantity Color Torque 1 M2 3 mm flat head nylok coated 4 Speaker to Upper Black 1 5 kgf cm When installing Make sure that the connector is attached firmly ...

Page 47: ...ss Mini Card for wireless LAN on page 36 1040 LCD unit on page 38 1050 System board on page 40 1060 Speakers on page 42 Figure 7 Removal steps of touch pad module and IO board Remove screws 1 Remove the IO board in the direction shown by arrow 2 a a a b Step Screw quantity Color Torque 1 M2 5 3 mm flat head nylok coated 3 IO board to C cover Black 2 kgf cm ...

Page 48: ... 7 Removal steps of touch pad module and IO board continued Remove the screws 1 then lift up and remove the touch pad module bracket a a b Step Screw quantity Color Torque 1 M2 5 3 mm flat head nylok coated 2 Touch pad module to upper Black 2 kgf cm ...

Page 49: ...ireless LAN on page 36 1040 LCD unit on page 38 1050 System board on page 40 1060 Speakers on page 42 1070 Touch pad module and IO board on page 43 Figure 8 Removal steps of LCD module Remove LCD bezel plastic screwcaps 1 and the screws 2 b a b a Step Screw quantity Color Torque 2 M2 5 5 mm flat head nylok coated 2 LCD Hinge Cap to LCD cover Black 2 kgf cm ...

Page 50: ...46 Lenovo N23 Hardware Maintenance Manual Figure 8 Removal steps of LCD module continued Remove the LCD module in the direction shown by arrows 3 c ...

Page 51: ...0 1060 Speakers on page 42 1070 Touch pad module and IO board on page 43 1080 LCD module on page 45 Figure 9 Removal steps of LCD cable LCD bracket and hinges When installing Make sure that the connector is attached firmly Remove screws 1 2 and the hinges in the direction shown by arrows 3 a a b b b b b b b b c c Step Screw quantity Color Torque 4 M2 5 x 4 mm flat head nylok coated 8 M2 x 4 mm fla...

Page 52: ...intenance Manual Figure 9 Removal steps of LCD panel LCD cable and hinges continued Remove screws 4 and then remove the LCD bracket d d d d Step Screw quantity Color Torque 6 M2 x 4 mm flat head nylok coated 4 Silver 1 5 kgfcm ...

Page 53: ...ess LAN on page 36 1040 LCD unit on page 38 1050 System board on page 40 1060 Speakers on page 42 1070 Touch pad module and IO board on page 43 1080 LCD module on page 45 1090 LCD cable LCD bracket and hinges on page 47 Figure 10 Removal steps of camera Unplug the camera connector 1 Remove the camera from the LCD cover in the direction shown by arrow 2 b a ...

Page 54: ...es on page 47 1100 camera on page 49 Figure 11 Removal steps of antenna assembly and LCD cover Note The integrated camera is stuck on the top center of the LCD cover Peel off the adhesive tapes securing the antenna boards release the cables from the cable guide and then remove the antenna assembly in the direction shown by arrows 1 a a When installing Route the antenna cables along the cable guide...

Page 55: ... microphone 3 Wireless LAN antennas 4 Multi touch screen 5 Novo button 6 Power button 7 System status indicators Note For the description of each indicator see Status indicators on page 29 8 Touch pad 9 Combo audio jack J USB port K Kensington mini security slot a b d h b e f c i j k g ...

Page 56: ...52 Lenovo N23 Hardware Maintenance Manual Bottom and Left side view 1 Speakers 2 AC power adapter jack 3 USB 3 0 port 4 HDMI port 5 Micro SD card slot a a e d b c ...

Page 57: ...ollowing service parts Overall on page 54 LCD FRUs on page 57 Miscellaneous parts on page 59 Screw on page 59 AC adapters on page 60 Power cords on page 61 Notes Each FRU is available for all types or models unless specific types or models are specified ...

Page 58: ...54 Lenovo N23 Hardware Maintenance Manual Overall 1 3 a 8 4 7 2 6 5 b ...

Page 59: ...R4G64G W RTC 5B20L76053 N 4 MB 3N 80UR N3160WIN UMA R8G32G W RTC 5B20L76033 N 4 MB 3N 80UR N3160WIN UMA R8G64G W RTC 5B20L76094 N 4 MB 3N 80UR N3160WIN UMA 2GRAM W RTC 5B20L76075 N 4 MB 3N 80UR N3160WIN UMA 4GRAM W RTC 5B20L76088 N 4 MB 3N 80UR N3160WIN UMA 8GRAM W RTC 5B20L76097 N 4 MB 3N 80UR N3710WIN UMA R2G32G W RTC 5B20L76051 N 4 MB 3N 80UR N3710WIN UMA R2G64G W RTC 5B20L76036 N 4 MB 3N 80UR ...

Page 60: ...M25912 N 8 Upper Case ASM 3N 80UR W KB CH SK 5CB0M25897 N 8 Upper Case ASM 3N 80UR W KB FR BK 5CB0M25910 N 8 Upper Case ASM 3N 80UR W KB GE BK 5CB0M25905 N 8 Upper Case ASM 3N 80UR W KB HUN BK 5CB0M25904 N 8 Upper Case ASM 3N 80UR W KB LSP BK 5CB0M25907 N 8 Upper Case ASM 3N 80UR W KB NOD BK 5CB0M25902 N 8 Upper Case ASM 3N 80UR W KB SLE BK 5CB0M25899 N 8 Upper Case ASM 3N 80UR W KB SPA BK 5CB0M25...

Page 61: ...57 Lenovo N23 LCD FRUs In Lenovo N23 the type of LCD is 11 6 inch high definition HD 8 7 5 4 1 6 4 1 2 3 ...

Page 62: ...Screw Pad 3N 80UR 5R60L76091 N 2 LCD Module 3N 80UR W TP Antenna bezel 5D10L76065 N 3 LCD Bracket 3N 80UR 5B40L76090 N 4 Hinge L R 3N 80UR W bracket 5H50L76089 N 5 CAM 3N 80UR WIN10 1M front W mic 5C20L77475 N 6 LCD Cable 3N 80UR 5C10L76067 N 7 Sensor Board 3N 80UR 5C50M11342 N 8 LCD Cover 3N 80UR BLK 5CB0L76048 N ...

Page 63: ...neous parts a TP Button Board 3N 80UR W cable 5C50L76072 N Cable miscellaneous parts b USB BD Cable 3N 80UR 24pin Note Italicized letters in parentheses are references to the exploded view in Overall on page 54 5C10L08679 N N Screw Table 7 Parts list screws FRU P N CRU ID Screw Pack 3N 80UR 5S10L76039 N ...

Page 64: ...ware Maintenance Manual AC adapters Table 8 Parts list AC adapters FRU P N CRU ID Adapter 45W round plug Chicony ADLX45NCC3A 20V2 25A adap R SA10L02297 Adapter 45W round plug Acbel ADLX45NAC3A 20V2 25A adap R SA10L02298 ...

Page 65: ... SPT 2 LS15 1m 145000594 UK LINETEK LP 61L H03VV F LS15 1m 145000593 Indian LINETEK PE 361 H05VV F LS15 1m 145000592 Italy LINETEK LS15 H03VV F PE 336 1m 145000591 Korea LINETEK LS15 H05VV F LP E04A 1m 145000590 Australia LINETEK LS15 H03VV F LP 23A 1m 145000589 Taiwan LINETEK LS15 VCTF LP 53 1m 145000588 Japan LINETEK LS15 VCTF LP 54 1m 145000587 Africa LINETEK LS15 H03VV F PE 364 1m 145000586 CE...

Page 66: ...Africa Longwell LP 39 H03VV F LS 18 1m 145000554 CE Longwell LP 34A H03VV F LS 18 1m 145000553 CCC VOLEX GB10S3 RVV 300 500 VAC5S 1m 145000538 UL Volex US15S3 SPT 2 VAC5S 1m 145000537 Italy VOLEX IT10S3 HO3VV F VAC5S 1m 145000535 Denmark VOLEX MP233D H03VV F VAC5S 1m 145000534 Korea VOLEX M2511 KETI IEC VAC5S 1m 145000533 Australia VOLEX AU10S3 H03VV F VAC5S 1m 145000532 Taiwan VOLEX TW15CS3 VCTF ...

Page 67: ...05 Australia lux 0038 H03VV F 0 75 3C 0011 1m 145500006 Taiwan lux 0019 VCTF 0 75 3C 0021 1m 145500007 Korea lux 0033 H03VV F 0 75 3C 0011 1m 145500008 Italy lux 0029 H03VV F 0 75 3C 0011 1m 145500009 Africa lux 0044 H03VV F 0 75 3C 0011 1m 145500010 Brazil lux 0034 H03VV F 0 75 3C 0011 1m 145500011 Israel lux 0041 H03VV F 0 75 3C 0011 1m 145500012 Switzerland lux 0027 H03VV F 0 75 3C 0011 1m 1455...

Page 68: ...y not apply to you This information could include technical inaccuracies or typographical errors Changes are periodically made to the information herein these changes will be incorporated in new editions of the publication Lenovo may make improvements and or changes in the product s and or the program s described in this publication at any time without notice The products described in this documen...

Page 69: ...ble systems Furthermore some measurements may have been estimated through extrapolation Actual results may vary Users of this document should verify the applicable data for their specific environment Trademarks The following terms are trademarks or registered trademarks of Lenovo in the United States other countries or both Lenovo OneKey Microsoft and Windows are trademarks of Microsoft Corporatio...

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