IdeaCentre Horizon 27 All-In-One PC Hardware Maintenance Manual

Step3.Disconnectallcablesattachedtothecomputer.Thisincludespowercords,input/output(I/O)
cables,andanyothercablesthatareconnectedtothecomputer.Referto“Leftandrightview”
and“Rearview”forhelpwithlocatingthevariousconnectors.
Step4.Removetherearcover.Referto“Removingtherearcover”.
Step5.Disconnectthebatterycablefromtheconnectoronmotherboard.Referto“Replacingthebattery” .
Step6.TheBluetoothmodulearegluedtothefrontbezelusingdoublesidedtape,usingasmallathead
screwdrivertopriseitoutgently.
Step7.DisconnectthecablefromtheBluetoothmodule.
Step8.ToinstallthenewBluetoothmodule:
a.ConnectthecabletothenewBluetoothmodule.
b.Removetheinsulatingpaper(siliconedpaper)ofthedoublesidedtapeonthenewBluetooth
module.
c.LineupthenewBluetoothmodulewiththesocket,thenstickittothesocket.
d.Reconnectthebatterycabletotheconnectoronthemotherboard.
Step9.Reattachtherearcover.
ReplacingtheWi-Ficard
Note:Turnoffthecomputerandwait3to5minutestoletitcooldownbeforeremovingthebasecover.
ToreplacetheWi-Ficard:
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.Removetherearcover.Referto“Removingtherearcover”.
Step5.RemovetheEMIcover.Referto“RemovingtheEMIcover” .
Step6.Disconnectthebatterycablefromtheconnectoronmotherboard.Referto“Replacingthebattery” .
Chapter8.Replacinghardware41