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Lenovo A7600 Hardware Maintenance Manual

• Always look carefully for possible hazards in your work area. Examples of

these hazards are moist floors, nongrounded power extension cables, power
surges, and missing safety grounds.

• Do not touch live electrical circuits with the reflective surface 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:

—

Caution: do not become a victim yourself.

—

Switch off the power.

—

Send the victim to get medical aid.

Содержание a7600

Страница 1: ...Lenovo A7600 Hardware Maintenance Manual ...

Страница 2: ...eveloped exclusively at private expense and are sold to governmental entities as commercial items as defined by 48 C F R 2 101 with limited and restricted rights to use reproduction and disclosure LIMITED AND RESTRICTED RIGHTS NOTICE If products data computer software or services are delivered pursuant to a General Services Administration GSA contract use reproduction or disclo sure is subject to ...

Страница 3: ...t 21 Checking the Computer AC Charger 21 Checking the internal battery status 22 Related service information 23 Security 23 Power management 23 Activating Deactivating the Display 23 Lenovo A7600 24 Specifications 24 FRU replacement notices 26 Screw notices 26 Removing and replacing an FRU 27 1010 Rear cover and side keys 28 1020 Battery pack 33 1030 Battery holder 35 1040 LCM FPC 37 1050 Rear cam...

Страница 4: ...ty information required for servicing computers The product specific section includes service reference and product specific parts information About this manual 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 in...

Страница 5: ...ervice a Lenovo 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 Safety information ...

Страница 6: ...from all personnel while you are servicing the machine Keep your toolcase away from walk areas so that other people will not trip it over 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 with th...

Страница 7: ...ck Attention An electrical shock can occur only when there is a complete circuit By observing the above rule you may prevent a current from passing through your body When using testers 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 mac...

Страница 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 Caut...

Страница 9: ... 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 connector in good condition Use ...

Страница 10: ...at is especially useful when handling ESD sensitive devices Select a grounding system such as those listed below to provide protection that meets the specific service requirement Attach the ESD ground clip to any frame ground ground braid or green wire ground When working on a double insulated or battery operated system use an ESD common ground or reference point You can use coax or connector outs...

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: ...en 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 cont...

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: ...es 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 Einsa...

Страница 15: ...ten Der LCD Bildschirm 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...

Страница 16: ...ttery 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 Erd...

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: ...vice could result in exposure to hazardous laser radiation There are no serviceable parts inside those drives Do not open Laser compliance statement CAUTION Use of controls or adjustments or performance 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 re...

Страница 19: ...luz 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 é...

Страница 20: ...ervicing FRUs If you are instructed to replace an FRU but the replacement does not solve the problem reinstall the original FRU before you continue Some computers have both a processor board and a system board If you are instructed to replace either of them and replacing one of them does not solve the problem reinstall that board and then replace the other one If an adapter or a device consists of...

Страница 21: ...itive Improper handling can cause damage to those components and may cause a system malfunction Attention When handling a system board Do not drop the system board or apply any excessive force to it Avoid rough handling of any kind Avoid bending the system board and hard pushing to prevent cracking at each BGA Ball Grid Array chipset ...

Страница 22: ...uppliers 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 implementation date failed RoHS compliant parts must always be rep...

Страница 23: ...ce 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 variet...

Страница 24: ...ring 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 by the...

Страница 25: ...e internal battery status on page 22 Checking the Computer AC Charger When you use the computer AC Charger to charge the tablet but no power is charged see the instructions in this topic to check the computer AC Charger To check the computer AC Charger do the following 1 Disconnect the micro USB cable from the tablet 2 Measure the output voltage across the connector marked B of the micro USB cable...

Страница 26: ...curate information about the battery status To get the accurate information about the battery status of the tablet do the following 1 Open the Android Settings screen To open the Android Settings screen do either of the following From the main Home screen touch the Android Settings icon on Lenovo Launch Zone The Android Settings screen is displayed Pull down the application icon from the action ba...

Страница 27: ... power consumption the computer has three power management modes screen blank sleep standby and hibernation Activating Deactivating the Display With the display deactivated press the Power button on the computer to activate the display The computer display will then illuminate indicating that it has been activated If you do not need to use your computer temporarily you can press the Power button t...

Страница 28: ...ions of the Lenovo A7600 tablet Table 1 Specifications Feature Description Size Weight Size 264 10mm x 176 54mm x 8 95mm Weight Appr 550g System CPU 1 3GHz Quad core Hardware Platform MTK 8382 3G MTK 8121 WiFi RAM 1GB Storage Capacity 16GB 32GB LCD 10 1 1 280 x 800 pixels Integrated Camera Rear camera CMOS 5 0Mega pixels Front camera CMOS 2 0Mega pixels Battery 2 cell lithium battery 6 340mAh Oper...

Страница 29: ...USB USB 2 0 5 pin Earphone 3 5mm SIM card slot T flash card slot Communication WiFi 802 11b g n WiFi Direct WiFi display A GPS 10s fast positioning Bluetooth 4 0 FM radio Others Gravity sensor Hall sensor Vibrator Battery manager ...

Страница 30: ...ag Always use new screws 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 Logic card to plastic Turn an additional 180 after the screw head touches the surface of the logic card Torque driver If you have a torque screwdriver refer to the Torque column for each step Make sure that...

Страница 31: ...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 73 8 When replacing an FRU use the correct screw as specified in the procedures Attention After replacing an FRU do not turn on the computer until you have made sure that ...

Страница 32: ...de keys 1 Open the card slot cover of the tablet using a guitar pick Figure 1 1 Opening the card slot cover 2 Remove screw in the card slot recess Figure 1 2 The screw in the card slot recess Part No Screw quantity Color Torque Phillips flat head screw 1 black N A a a ...

Страница 33: ...uitar pick to unlock the rear cover from the tablet along the joint line as shown in the figure below Figure 1 3 Unlocking the rear cover along the joint line Note The screw is sealed by the manufacturer for checking the warranty qualification of the product ...

Страница 34: ...re 1 4 The removed rear cover CAUTION Handle with care The rear cover can be damaged at its four corners Do not cut into the corners of the rear cover using the guitar pick or try to lift the rear cover off the tablet when the locks near the corners have not been disengaged ...

Страница 35: ...Lenovo A7600 31 5 Detach the power key from the rear cover using a pair of tweezers Figure 1 5 Detaching the power key 6 Remove the power key Figure 1 6 The removed power key ...

Страница 36: ...novo A7600 Hardware Maintenance Manual 32 7 Detach the volume key from the rear cover using a pair of tweezers Figure 1 7 Detaching the volume key 8 Remove the volume key Figure 1 8 The removed volume key ...

Страница 37: ...below Figure 2 1 Pulling out the battery plug CAUTION Risk of explosion if the battery is replaced with an incorrect type When replacing the lithium battery use only the same or an equivalent type that is recommended by the manufacturer The battery contains lithium and can explode if not properly used handled or disposed of Dispose of the used battery according to the instructions Do not Throw or ...

Страница 38: ...ts seat by inserting a thin flat blade into the joint surface and then cutting along the joint line in the direction shown in the figure below Figure 2 2 Detaching the battery pack 3 Remove the battery pack from the front module of the tablet Figure 2 3 The removed battery pack ...

Страница 39: ...Rear cover and side keys on page 28 1020 Battery pack on page 33 1 Peel off the conductive fabrics on the battery holder as shown in the figure below Figure 3 1 The conductive fabrics on the battery holder 2 Remove screws on the battery holder Figure 3 2 The screws on the battery holder a ...

Страница 40: ...00 Hardware Maintenance Manual 36 3 Remove the battery holder from the front module of the tablet Figure 3 3 The removed battery holder Part No Screw quantity Color Torque Phillips flat head screw 4 Silver N A a ...

Страница 41: ...ge 28 1020 Battery pack on page 33 1030 Battery holder on page 35 1 Peel off the mylar on the LCM FPC connector on the main board Figure 4 1 Peeling off the mylar 2 Unlock the above mentioned LCM FPC connector using a guitar pick or a thin flat blade Figure 4 2 Unlocking the LCM FPC connector on the main board ...

Страница 42: ...tenance Manual 38 3 Pull out the LCM FPC from the unlocked connector using a pair of tweezers Figure 4 3 Pulling out the LCM FPC 4 Peel off the mylar on the LCM FPC connector on the front module Figure 4 4 Peeling off the mylar ...

Страница 43: ...Lenovo A7600 39 5 Unlock the LCM FPC connector mentioned in Step 4 using a guitar pick or a thin flat blade Figure 4 5 Unlocking the LCM FPC connector on the front module ...

Страница 44: ...Lenovo A7600 Hardware Maintenance Manual 40 6 Pull out the LCM FPC from the unlocked connector using a pair of tweezers Figure 4 6 Pulling out the LCM FPC The LCM FPC is now removed ...

Страница 45: ...e following FRUs in order 1010 Rear cover and side keys on page 28 1020 Battery pack on page 33 1 Detach the FPC of the rear camera from its connector on the main board using a thin flat blade or guitar pick Figure 5 1 Detaching the FPC of the rear camera ...

Страница 46: ...Lenovo A7600 Hardware Maintenance Manual 42 2 Remove the rear camera from the tablet Figure 5 2 Removing the rear camera ...

Страница 47: ...ver and side keys on page 28 1020 Battery pack on page 33 1 Peel off the mylar on the CAP sensor FPC connector that is located on the main board Figure 6 1 Peeling off the mylar on the CAP sensor FPC connector 2 Unlock the CAP sensor FPC connector using a guitar pick Figure 6 2 Unlocking the CAP sensor FPC connector ...

Страница 48: ... from its connector using a pair of tweezers Figure 6 3 Pulling out the CAP sensor FPC 4 Remove screw under the disconnected end of the CAP sensor FPC Figure 6 4 The screw under the CAP sensor FPC Part No Screw quantity Color Torque Phillips flat head screw 1 Silver N A a a ...

Страница 49: ...from the antenna box Figure 6 5 Peeling off the other end of the CAP sensor FPC 6 Remove screw under the peeled off end of the CAP sensor FPC Figure 6 6 The screw under the CAP sensor FPC Part No Screw quantity Color Torque Phillips flat head screw 1 Silver N A a a ...

Страница 50: ...7 Detach the RF cable from its connector on the main board using a guitar pick Figure 6 7 Detaching the RF cable 8 Take out the RF cable from the cable duct in the front module of the tablet Figure 6 8 Taking out the RF cable from the cable duct ...

Страница 51: ...Lenovo A7600 47 9 Peel off the conductive fabric shown in figure below of the antenna from the battery holder Figure 6 9 The conductive fabric of the antenna ...

Страница 52: ...ove the antenna and CAP sensor FPC assembly from the front module while keeping its conductive fabric clear of the cables of the right speaker Figure 6 10 Removing the antenna and CAP sensor FPC assembly The antenna and CAP sensor FPC assembly is now removed ...

Страница 53: ...page 28 1020 Battery pack on page 33 1 Peel off the mylar on the SIM board FPC connector on the SIM board Figure 7 1 Peeling off the mylar at the SIM board end 2 Unlock the above mentioned SIM board FPC connector using a guitar pick or a thin flat blade Figure 7 2 Unlocking the SIM board FPC connector SIM board end ...

Страница 54: ...r on the SIM board FPC connector on the main board Figure 7 3 Peeling off the mylar at the main board end 4 Unlock the SIM board FPC connector on the main board using a guitar pick or a thin flat blade Figure 7 4 Unlocking the SIM board FPC connector main board end ...

Страница 55: ...Lenovo A7600 51 5 Pull out the SIM board FPC from both connectors using a pair of tweezers Figure 7 5 Pulling out the SIM board FPC The SIM board FPC is now removed ...

Страница 56: ...Screw quantity Color Torque Phillips flat head screw 2 Silver N A Important notices for handling PCB When handling PCB bear the following in mind Be careful not to drop the PCB onto a bench top that has a hard surface such as surface made of metal wood or composite materials Avoid rough handling of any kind Make sure not to drop or stack the PCB in the whole process Make sure to put the PCB only o...

Страница 57: ...Lenovo A7600 53 2 Remove the SIM board Figure 8 2 The removed SIM board ...

Страница 58: ...mbly see Step 1 to 3 and Step 7 in 1060 Antenna and CAP sensor FPC assembly on page 43 1 Peel off the mylar on the TP FPC connector on the main board Figure 9 1 Peeling off the mylar on the TP FPC connector Important notices for handling PCB When handling PCB bear the following in mind Be careful not to drop the PCB onto a bench top that has a hard surface such as surface made of metal wood or com...

Страница 59: ...ovo A7600 55 2 Unlock the TP FPC connector using a guitar pick Figure 9 2 Unlocking the TP FPC connector 3 Pull out the TP FPC from its connector using a pair of tweezers Figure 9 3 Pulling out the TP FPC ...

Страница 60: ...enovo A7600 Hardware Maintenance Manual 56 4 Desolder the wires of the vibrator motor from the main board at the position shown in the figure below Figure 9 4 Desoldering the wires of the vibrator motor ...

Страница 61: ...Lenovo A7600 57 5 Desolder the wires of the left speaker from the main board at the position shown in the figure below Figure 9 5 Desoldering the wires of the left speaker ...

Страница 62: ...Lenovo A7600 Hardware Maintenance Manual 58 6 Desolder the wires of the right speaker from the main board at the position shown in the figure below Figure 9 6 Desoldering the wires of the right speaker ...

Страница 63: ...ure 9 7 The screws on the main board 8 Release the main board from the lock at the position shown in the figure below Figure 9 8 Releasing the lock of the main board first place Part No Screw quantity Color Torque Phillips flat head screw 4 Silver N A a a ...

Страница 64: ...Lenovo A7600 Hardware Maintenance Manual 60 9 Release the main board from another lock at the position shown in the figure below Figure 9 9 Releasing the lock of the main board second place ...

Страница 65: ...Lenovo A7600 61 10 Lift the main board on the top side and then remove it from the front module in the direction shown in the figure below Figure 9 10 Removing the main board ...

Страница 66: ...e main board and then peel off the mylar on FPC connector of the front camera Figure 9 11 Peeling off the mylar on the FPC connector 12 Unlock the FPC connector of the front camera using a guitar pick Figure 9 12 Unlocking the FPC connector of the front camera ...

Страница 67: ...o A7600 63 13 Pull out the front camera from its connector using a pair of tweezers Figure 9 13 Pulling out the front camera The main board is now separated from other components and removed from the tablet ...

Страница 68: ...Lenovo A7600 Hardware Maintenance Manual 64 1100 Front camera The procedure for removing the front camera is the same as that of the main board Please refer to 1090 Main board on page 54 ...

Страница 69: ... Battery pack on page 33 1 Desolder the wires of the vibrator motor as described in Step 4 on page 56 in 1090 Main board 2 Detach the vibrator motor from its seat on the front module of the tablet using a thin flat blade Figure 11 1 Detaching the vibrator motor 3 Remove the vibrator motor Figure 11 2 The removed vibrator motor ...

Страница 70: ...age 49 1080 SIM board on page 52 and Detach the following FRUs in order Rear camera see Step 1 in 1050 Rear camera on page 41 Antenna and CAP sensor FPC assembly see Step 1 to 3 and Step 7 in 1060 Antenna and CAP sensor FPC assembly on page 43 Main board with the front camera see Step 1 to 10 in 1090 Main board on page 54 1 Remove the glue that is used to fix the wires of the left speaker using a ...

Страница 71: ...m its seat on the front module of the tablet using a thin flat blade Figure 12 2 Detaching the left speaker 3 Slowly pull out the wires of the left speaker through the hole in the front module Figure 12 3 Pulling out the wires of the left speaker ...

Страница 72: ...Lenovo A7600 Hardware Maintenance Manual 68 4 Remove the left speaker Figure 12 4 The removed left speaker ...

Страница 73: ...d FPC on page 49 1080 SIM board on page 52 and Detach the following FRUs in order Rear camera see Step 1 in 1050 Rear camera on page 41 Antenna and CAP sensor FPC assembly see Step 1 to 3 and Step 7 in 1060 Antenna and CAP sensor FPC assembly on page 43 Main board with the front camera see Step 1 to 10 in 1090 Main board on page 54 1 Slowly take out the wires of the right speaker from the wire duc...

Страница 74: ...rdware Maintenance Manual 70 Figure 13 1 Taking out the wires from the wire duct 2 Remove the glue that is used to fix the wires of the right speaker using a thin flat blade Figure 13 2 Removing the glue right speaker ...

Страница 75: ... its seat on the front module of the tablet using a thin flat blade Figure 13 3 Detaching the right speaker 4 Slowly pull out the wires of the right speaker through the hole in the front module Figure 13 4 Pulling out the wires of the right speaker ...

Страница 76: ...Lenovo A7600 Hardware Maintenance Manual 72 5 Remove the right speaker Figure 13 5 The removed right speaker ...

Страница 77: ...Lenovo A7600 73 Front view Left speaker Front camera Right speaker Locations ...

Страница 78: ...Lenovo A7600 Hardware Maintenance Manual 74 Rear view Microphone Rear camera Power key Volume key Earphone socket Micro USB connection SIM card slot T flash card slot ...

Страница 79: ...Lenovo A7600 75 This section presents the following service parts Overall on page 75 Screw on page 77 Overall Parts list ...

Страница 80: ...9A4657R N 5 A7600 vibrator motor 5M79A6MVWV N 6 A7600 rear camera 5C29A4679V N 7 A7600 main board 5B29A6MVWP N 8 A7600 antenna and CAP sensor FPC assembly 5A39A6MVWX N 9 A7600 front camera 5C29A6MVWW N 10 A7600 left speaker 5SB9A6MVXG N 11 A7600 volume key 5B69A6MVXC N 12 A7600 SIM board 5P69A6MVWS N 13 A7600 SIM board FPC 5F79A6MVWT N 14 A7600 power key 5B69A6MVXB N 15 A7600 LCM FPC 5F79A6MVWU N ...

Страница 81: ...Lenovo A7600 77 Screw Table 2 Parts list Screw FRU P N CRU ID Phillips flat head screw black 5M89A6MVWA N Phillips flat head screw silver 5M89A6MVXD N ...

Страница 82: ...pply 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 document are n...

Страница 83: ...arantee that these measurements will be the same on generally available 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 Lenovo and the Lenovo logo are trademarks of Lenovo in the United States or other countries or both Other company product or service...

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