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Lenovo V14 and V15 Hardware Maintenance Manual

Status indicators

The system status indicators below show the computer status:

Table 2. Status indicators

ac power
adapter status

Indicator status

Meaning

Disconnected

Off

The computer is not connected to ac

power.

Connected

Amber

The battery has between 1% and

90% charge and is still charging.

White

The battery has between 91% and

100% charge.

Indicator

Indicator status

Meaning

Power status
indicator

White (solid on)

The computer is on (battery power

21%-100%).

White (fast

blinking)

The computer is on (battery power

1%-20%).

White (slow

blinking)

The computer is in sleep mode.

Off

The computer is off or in hibernation

mode.

Содержание V14

Страница 1: ...Lenovo V14 and V15 Hardware Maintainence Manual ...

Страница 2: ...s on page 68 First Edition November 2019 Copyright Lenovo 2019 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 2019 Lenovo ...

Страница 3: ...sk password 23 Administrator password 23 Power management 24 Screen blank state 24 Putting the computer to sleep or shutting it down 24 Putting your computer to sleep 24 Shutting down the computer 25 Lenovo V14 ADA Lenovo V14 IGL Lenovo V14 IIL Lenovo V15 ADA Lenovo V15 IGL Lenovo V15 IIL 26 Locations 27 Front view and right side view 27 Bottom and left side view 28 Specifications 29 Status indica...

Страница 4: ... sections provide general information guidelines 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 r...

Страница 5: ...ce a Lenovo V14 ADA Lenovo V14 IGL Lenovo V14 IIL Lenovo V15 ADA Lenovo V15 IGL Lenovo V15 IIL 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 ...

Страница 6: ...place 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...

Страница 7: ...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 Attentio...

Страница 8: ... of 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 C...

Страница 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...

Страница 10: ...in to 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...

Страница 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...

Страница 12: ...alten 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 c...

Страница 13: ...eschlossen 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 cortoci...

Страница 14: ...ieses 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 Ei...

Страница 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...

Страница 16: ... battery 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 ...

Страница 17: ...et 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 ...

Страница 18: ... replacing FRU on page 14 Strategy for replacing a hard disk drive on page 15 Important notice for replacing a system board on page 15 Important information about replacing RoHS compliant FRU on page 16 Important BIOS and device driver fixes are customer installable The BIOS and device drivers are posted on the customer support site https support lenovo com ...

Страница 19: ...tem 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 follow the steps below 1 Go to https support lenovo com 2 Enter the serial number or select a product or use Lenovo smart downloading 3 Select the BIOS Driver Applications and download 4 Follow the directions on the screen and install the ...

Страница 20: ...rrent configuration 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 ...

Страница 21: ...e 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 FRU The following statement pertains to these products and any product Lenovo produces containing RoHS compliant FRU RoHS compliant FRU have unique FRU part numbers Before or after the RoHS implementation...

Страница 22: ...servicing sequence 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 oc...

Страница 23: ...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 Damage caused b...

Страница 24: ...omputer fails only when the AC adapter is used If the power on indicator does not turn on check the power cord of the AC adapter for correct continuity and installation If the computer does not charge during operation go to Checking operational charging 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 ...

Страница 25: ... still not charged go to the next section Checking the battery pack Battery charging does not start until the Power Meter shows that less than 95 of the total power remains under this condition the battery pack can charge to 100 of its capacity This protects the battery pack from being overcharged or from having a shortened life To check your battery move your cursor to the Power Meter icon in the...

Страница 26: ...22 Lenovo V14 and V15 Hardware Maintenance Manual Related service information This chapter presents the following information Passwords on page 22 Power management on page 23 ...

Страница 27: ...s User HDP for the user Master HDP for the system 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 Lenovo authorized service technicians provide any...

Страница 28: ...n When you have finished 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 and ho...

Страница 29: ...nd select Shut down or sign out Shut down Shutting down the computer If you are not going to 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 ...

Страница 30: ... V15 IIL This chapter presents the following product specific service references and product specific parts information Locations on page 26 Specifications on page 25 Status indicators on page 27 Hotkeys on page 28 FRU replacement notices on page 29 Removing and replacing an FRU on page 30 Locations on page 27 Parts list on page 34 ...

Страница 31: ...Locations Front view and right side view 1 Microphone 2 Camera 3 Camera light 4 Wireless LAN Bluetooth antennas 5 Screen 6 Power Key 7 SD card slot 8 Audio connector 9 Novo button 10 Touchpad 2 1 3 5 6 7 8 9 10 4 Figure 1 Front view and right side view ...

Страница 32: ...ance Manual Bottom and left side view 1 Ventilation slots 2 ac power adapter jack 3 Charging light 4 HDMITM connector 5 USB 2 0 connector 6 USB 3 1 connector Gen 1 7 Power light 8 Speakers 1 2 3 4 5 6 7 8 Figure 2 Bottom and left side view ...

Страница 33: ...mm 15 6 inches 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 click Processors Memory Type and speed On board DDR4 2400 MHz on Lenovo V14 IGL and Lenovo V15 IGL On board slot DDR4 2400 MHz on Lenovo V14 ADA and Lenovo V15 ADA On board slot DDR4 2666 MHz on L...

Страница 34: ...y pack Type Polymer Cells Capacity 2 cells 30 Wh 35 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 Lenovo V14 IGL and Lenovo V15 IGL 45 W Lenovo V14 ADA L...

Страница 35: ...omputer is not connected to ac power Connected Amber The battery has between 1 and 90 charge and is still charging White The battery has between 91 and 100 charge Indicator Indicator status Meaning Power status indicator White solid on The computer is on battery power 21 100 White fast blinking The computer is on battery power 1 20 White slow blinking The computer is in sleep mode Off The computer...

Страница 36: ...ys Mute unmute sound Turn on off airplane mode Decrease system volume Enable Disable the integrated camera Increase system volume Lock Unlock the LCD screen Enable Disable the integrated microphone Enable the external projector or dangle the external display Refresh page Decrease display brightness Enable Disable the touchpad Increase display brightness ...

Страница 37: ...umable Model applicability Screw driver Phillips head X Screw driver Torx head T5 Screw driver Torx head T30 Pry tool 1 X Tweezers conductive X Tweezers isolated Suction cup Hexagonal socket Silicone grease Polyamide tape Mylar tape Electrical tape Double sided tape Conductive tape Eraser Heat gun Brown brush Note T30 screw drivers are used to service the new Intel Xeon CPUs Hexagonal sockets are ...

Страница 38: ... on page 37 Note Each FRU is available for all types or models unless specific types or models are specified Attention Do not attempt to replace an FRU on your own If an FRU is damaged contact a Lenovo authorized servicer or a marketing representative for replacement or repair Only qualified technicians can inspect or repair this product ...

Страница 39: ...35 Lenovo V14 and V15 Hardware Maintenance Manual Overall 1 2 3 4 5 10 6 7 8 9 11 13 14 15 12 Figure 3 Lenovo V14 and V15 exploded view ...

Страница 40: ...yboard No No 2 Hinge cap No No 3 WLAN card No No 4 Thermal module and Fan No No 5 Hard disk drive HDD No No 6 Solid state drive SSD No No 7 Memory No No 8 Lower case No No 9 Battery No No 10 Hard disk drive HDD bracket No No 11 CMOS battery No No 12 Hard disk drive HDD board connector No No 13 System board No No 14 I O board FCC No No 15 I O board No No ...

Страница 41: ...37 Lenovo V14 and V15 Hardware Maintenance Manual LCD FRU In Lenovo V14 and V15 there is following type of LCD 1 2 3 4 5 7 6 Figure 4 Lenovo V14 and V15 exploded view ...

Страница 42: ... LCD module No FRU CRU category Self service CRU Optional service CRU 1 LCD bezel No No 2 Hinge cap No No 3 LCD panel No No 4 Integrated camera No No 5 LCD cable No No 6 LCD cover No No 7 Wifi antenna No No 8 Hinge bracket No No 9 Removable tapes No No Not shown in the illustration ...

Страница 43: ...your tool bag Carefully remove screws for reuse when replacing FRU 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 Torqu...

Страница 44: ...ven 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 27 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 electrical...

Страница 45: ...10 Base cover Step 1 Remove the screws 1 and 2 1 1 1 1 1 2 2 2 2 1 Figure 5 Remove the screws Step Screw quantity Color Torque 1 M2 5 7 mm Phillips head nylok coated 6 Black Silver 3 0 0 3 kgf cm 1 M2 5 4 mm Flat head nylok coated 4 Black 3 0 0 3 kgf cm ...

Страница 46: ...42 Lenovo V14 and V15 Hardware Maintenance Manual Step 2 Remove the base cover in the directions shown by arrows 2 and 3 3 2 2 2 2 Figure 6 Remove the base cover ...

Страница 47: ...y could ignite or explode For access remove the FRU in following order 1010 Base cover on page 41 Step 1 Detach cables from the battery pack connector in the direction shown by arrow 1 Step 2 Remove the screws 2 1 2 2 2 Figure 7 Detach cables and remove the screws Step Screw quantity Color Torque 2 M2 6 mm Phillips head nylok coated 3 Black 1 85 0 15 kgf cm ...

Страница 48: ...44 Lenovo V14 and V15 Hardware Maintenance Manual Step 3 Remove the battery pack in the direction shown by arrow 3 3 Figure 8 Remove the battery pack ...

Страница 49: ...ng order 1010 Base cover on page 41 1020 Battery pack on page 43 Step 1 Remove the screw 1 1 Figure 9 Remove the screws Step Screw quantity Color Torque 1 M2 6 mm Phillips head nylok coated 1 Black 1 85 0 15 kgf cm Step 2 Remove the SSD in the direction shown by arrow 2 2 Figure 10 Remove the SSD ...

Страница 50: ...llowing order 1010 Base cover on page 41 1020 Battery pack on page 43 Step 1 Release the two latches on both edges of the socket at the same time in the directions shown by arrows 1 Step 2 Unplug the DIMM in the direction shown by arrow 2 1 2 1 Figure 11 Release the latch and remove the DIMM ...

Страница 51: ... physical shock Improper handling can cause damage and permanent loss of data Before removing the drive suggest the customer to backup all the information on it if possible Never remove the drive while the system is operating or in suspend mode Step 1 Remove the screws 1 Step 2 Pull the hard disk drive in the direction shown by arrow 2 1 1 2 Figure 12 Remove the screws and the hard disk Step Screw...

Страница 52: ...4 Disconnect the cable from the connector as shown by arrow 4 Step 5 Remove the HDD board in the direction shown by arrow 5 3 4 5 Figure 13 Disconnect the cable and remove the HDD board When installing Make sure that the HDD cable is firmly connected to the connector Step 6 Detach the bracket from the hard disk drive ...

Страница 53: ...o part numbers for the approved modules Step 1 Remove the screw 1 Step 2 Disconnect the two wireless LAN cables black gray 2 Unplug the jacks by using the removal tool antenna RF connector P N 08K7159 or pick up the connectors with your fingers and gently unplug them in the direction shown by the arrows 1 2 2 Figure 14 Remove the screw and disconnect the wireless LAN cables Notes The wireless LAN ...

Страница 54: ... installing Wireless LAN card with two antenna connectors Plug the black cable 1st MAIN into the jack labeled MAIN and the grey cable 2nd AUX into the jack labeled AUX on the card Wireless LAN card with three antenna connectors Plug the black cable 1st MAIN into the jack labeled 1 the grey cable 3rd into the jack labeled 3 and the white cable 2nd AUX into the jack labeled 2 on the card ...

Страница 55: ... Battery pack on page 43 Step 1 Release the cables from the cable guides in the direction shown by arrows 1 1 1 Figure 16 Release the cables When installing Route the antenna cables along the cable guides As you route the cables make sure that they are not subjected to any tension Tension could cause the cables to be damaged by the cable guides or a wire to be broken ...

Страница 56: ...3 3 3 2 Figure 17 Unplug the fan connector and remove the screws Step Screw quantity Color Torque 3 M2 6 mm Phillips head nylok coated 3 Black 1 85 0 15 kgf cm When installing Make sure that the connector is attached firmly Step 4 Remove the fan in the direction shown by arrow 4 Be careful not to damage the connector 4 Figure 18 Remove the fan ...

Страница 57: ...tep 5 Remove the screws 5 5 5 5 5 5 5 Figure 19 Remove the screws Step Screw quantity Color Torque 5 M2 6 mm Phillips head nylok coated 6 Black 1 85 0 15 kgf cm Step 6 Lift the heat sink in the direction shown by arrow 6 6 Figure 20 Remove the heat sink ...

Страница 58: ...he connector as shown by arrow 1 Step 2 Disconnect the mainboard cable from the connector as shown by arrow 2 1 2 Figure 21 Disconnect the speaker cable and mainboard cable Step 3 Remove the screws 3 Step 4 Remove the I O board in the direction shown by arrow 4 3 3 4 Figure 22 Remove the screws and the I O board Step Screw quantity Color Torque 3 M2 3 mm Phillips head nylok coated 2 Silver 1 85 0 ...

Страница 59: ...al 1090 Backup battery For access remove the FRU in following order 1010 Base cover on page 41 1020 Battery pack on page 43 Step 1 Disconnect the backup battery cable in the direction shown by arrow 1 1 Figure 23 Disconnect the backup battery cable ...

Страница 60: ...Hardware Maintenance Manual Step 2 Remove the backup battery in the direction shown by arrow 2 2 Figure 24 Remove the backup battery When installing Make sure that the backup battery cable is attached firmly to the connector ...

Страница 61: ...r stack the system board If you put a system board down make sure to put it only on a padded surface such as an ESD mat or conductive corrugated material For access remove the FRU in following order 1010 Base cover on page 41 1020 Battery pack on page 43 1030 SSD on page 45 1040 DIMM on page 46 1060 PCI Express Mini Card for wireless LAN on page 49 1070 Fan assembly and Heat Sink assembly on page ...

Страница 62: ...2 Remove the screws 3 3 3 3 3 3 Figure 26 Remove the screws Step Screw quantity Color Torque 2 M2 3 mm Phillips head nylok coated 5 Silver 1 85 0 15 kgf cm Step 3 Remove the system board in the direction shown by arrow 4 4 Figure 27 Remove the system board ...

Страница 63: ... case For access remove the FRU in following order 1010 Base cover on page 41 1020 Battery pack on page 43 Step 1 Remove the screws 1 1 1 1 1 Figure 28 Remove the screws Step Screw quantity Color Torque 1 M2 5 5 mm Phillips head nylok coated 4 Black 3 0 3 kgf cm ...

Страница 64: ...l Step 2 Release the latch on the connector as shown by arrow 2 Step 3 Disconnect the LCD cable from the connector as shown by arrow 3 2 3 Figure 29 Open the hinge Step 4 Open the hinge in the direction shown by arrows 4 4 4 Figure 30 Open the hinge ...

Страница 65: ...61 Lenovo V14 and V15 Hardware Maintenance Manual Step 5 Remove the upper case from the LCD module in the direction shown by arrow 5 5 Figure 31 Remove the upper case ...

Страница 66: ...llowing order 1010 Base cover on page 41 1020 Battery pack on page 43 1110 Upper case on page 59 Step 1 Remove the hinge cover in the direction shown by arrow 1 1 Figure 32 Remove the hinge cover Step 2 Remove the LCD bezel in the direction shown by arrows 2 2 2 2 2 Figure 33 Remove the LCD bezel ...

Страница 67: ...e LCD module and hinge together as shown by arrow 4 3 3 4 3 3 3 3 3 3 3 3 Figure 34 Remove the screws Step Screw quantity Color Torque 3 M2 3 mm Phillips head nylok coated 10 Silver 1 85 0 15 kgf cm Step 5 Disconnect the cable in the direction shown by arrow 5 5 Figure 35 Disconnect the cable ...

Страница 68: ...ration below for location of the stretch adhesive tape Remove the LCD hinges in the direction shown by arrows 6 6 6 Figure 36 Pull out the stretch adhesive When installing Make sure that the connector is attached firmly and that you do not pinch the antenna cables when you attach the LCD assembly Route the LCD cable along the cable guides ...

Страница 69: ...age 43 1110 Upper case on page 59 1120 LCD unit on page 62 Note The integrated camera is stuck on the top center of the LCD cover Step 1 Remove the integrated camera in the direction shown by arrow 1 1 Figure 37 Remove the integrated camera When installing Stick the integrated camera to the top center of the LCD cover and adjust its placement to make sure the connector is attached firmly ...

Страница 70: ...intenance Manual Step 2 Peel off the adhesive tape securing the antenna boards Step 2 Release the cables from the cable guide Step 3 Remove the antenna assembly in the direction shown by arrow 2 2 Figure 38 Remove the antenna assembly ...

Страница 71: ...e 41 1020 Battery pack on page 43 1110 Upper case on page 59 1120 LCD unit on page 62 Step 1 Remove the wifi antenna in the direction shown by arrow 1 1 Figure 39 Remove the wifi antenna When installing Stick the integrated camera to the top center of the LCD cover and adjust its placement to make sure the connector is attached firmly ...

Страница 72: ...t may 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 doc...

Страница 73: ...ilable 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 Microsoft and Windows are trademarks of Microsoft Corporation in...

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