Lenovo IdeaCentre A720 Manuale Utente Pagina 52
- Pagina / 75
- Indice
- SEGNALIBRI
Valutato. / 5. Basato su recensioni clienti
Step13.PulltheTV-Tunercardupwardtoremoveitfromthecardportonthemotherboard.
Step14.ToinstallthenewTV-Tunercard:
a.InsertthenotchedendoftheTV-Tunercardintothecardportonthemotherboard.
b.SecurenewtheTV-Tunercardtothemotherboardwiththe2screws.
c.Connecttheantennacable(s)tothenewTV-Tunercard.
Step15.Lineupmotherboardwiththechassisandslideitintoposition.Aligntheholesonthemotherboard
withthemountingholesonthechassisandsecureittothechassiswiththescrews.
Step16.Reattachtheopticaldrive,heat-sink,andharddiskdrivetothemotherboard.
Step17.Reattachthehingetothechassis,andreconnectthetouchandLEDpanelcablestothe
motherboard.
Step18.Reconnectallthecablesbacktothemotherboard.
Step19.Reattachthebasecoverandsecureitwiththescrews.
Replacingthebattery
Note:Turnoffthecomputerandwait3to5minutestoletitcooldownbeforeremovingthecover.
Toreplacethebattery
Step1.Removeanymedia(disks,CDs,DVDs,ormemorycards)fromthedrives,shutdowntheoperating
system,andturnoffthecomputerandallattacheddevices.
Step2.Unplugallpowercordsfromelectricaloutlets.
Step3.Disconnectallcablesattachedtothecomputer.Thisincludespowercords,input/output(I/O)
cables,andanyothercablesthatareconnectedtothecomputer.Referto“Leftandrightview”
and“Rearview”forhelpwithlocatingthevariousconnectors.
Step4.Removethebasecover.Referto“Removingthebasecover” .
Step5.Removetheharddiskdrive.Referto“Replacingtheharddiskdrive” .
Step6.Removetheheat-sink.Referto“Replacingtheheat-sink” .
Step7.Removetheopticaldrive.Referto“Replacingtheopticaldrive”.
Step8.Removethehingefromthechassis.Referto“Removingthehingefromthechassis” .
Step9.Removeallthecablesconnectedtothemotherboard.
46IdeaCentreA720HardwareMaintenanceManual
- IdeaCentreA720 1
- HardwareMaintenanceManual 1
- Contents 5
- Chapter1.Aboutthismanual 7
- Chapter2.Safetyinformation 9
- Safetyinspectionguide 11
- Groundingrequirements 12
- Safetynotices 12
- Chapter2.Safetyinformation7 13
- Chapter3.Generalinformation 15
- Chapter4.GeneralCheckout 17
- Chapter5.UsingtheSetupUtility 19
- Enablingordisablingadevice 21
- Selectingastartupdevice 22
- Chapter6.Symptom-to-FRUIndex 25
- POSTerrorcodes 26
- Undeterminedproblems 26
- 3 7654 8 9 27
- 10 11 12 13 14 15 27
- Leftandrightview 28
- Rearview 29
- Hardwarecomponents 30
- Chapter8.Replacinghardware 35
- Replacingthekeyboardandmouse 36
- Removingthebasecover 37
- Replacingtheharddiskdrive 38
- Chapter8.Replacinghardware33 39
- Replacingamemorymodule 40
- Replacingthesystemfan 40
- Replacingtheheat-sink 41
- ReplacingtheCPU 42
- Chapter8.Replacinghardware37 43
- Replacingtheopticaldrive 44
- Chapter8.Replacinghardware39 45
- Replacingthesolidstatedisk 46
- Replacingthemotherboard 47
- Replacingthespeakersystem 49
- ReplacingtheTVtunercard 51
- Replacingthebattery 52
- Chapter8.Replacinghardware47 53
- 1,thenraisethehingetoremoveit 54
- Removingtherearcover 55
- Replacingthescalarboard 56
- .Replacinghardware51 57
- Replacingthetouchcontrolboard 58
- Replacingtheconverterboard 59
- Replacingthepowerswitchboard 60
- ReplacingtheBluetoothmodule 61
- ReplacingtheWLANcard 62
- Replacingthecamera 63
- ReplacingtheLEDpanel 65
- FRUlists 67
- .Replacinghardware63 69
- .Replacinghardware65 71
- .Replacinghardware67 73
- Chapter9.Generalinformation 75
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