Lenovo ideapad FLEX 4 User Manual

51
Lenovo ideapad FLEX 4-1470/ideapad FLEX 4-1435/ideapad FLEX 4-1480/ideapad
FLEX 4-1570/ideapad FLEX 4-1580
1090 System board
Important notices for handling the system board:
When handling the system board, bear the following in mind.
• Be careful not to drop the system board on a bench top that has a hard surface,
such as metal, wood, or composite.
• Avoid rough handling of any kind.
• During the whole process, make sure not to drop or 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theseFRUsinorder:
• “1010Basecover”onpage33
• “1020Batterypack”onpage36
• “1030PCIExpressMiniCardforwirelessLAN”onpage38
• “1050Speakers”onpage42
• “1060Harddiskdrive”onpage43
• “1070FanassemblyandHeatSinkassembly”onpage45
• “1080IOboard,DC-incable”onpage49
Figure 9. Removal steps of system board
Disconnecttheconnectorsin thedirections shownby arrows
1
,
2
.Then
removethescrews
3
.
b
c
c
c
a
Step Screw (quantity) Color Torque
3
M2×3.5mm,Phillips-head,nylok-coated(3)
M/B---logup
Silver 1.85+/-0.15kgf-cm

Lenovo ideapad FLEX 4 Specifications

General

Graphics	Intel HD Graphics 520
Display	14" FHD (1920 x 1080) IPS Multi-touch
RAM	16GB DDR4
Storage	512GB SSD or 1TB HDD
Operating System	Windows 10 Home
Ports	2 x USB 3.0, 1 x USB 2.0, HDMI, Audio Combo Jack
Wireless	Wi-Fi 802.11ac, Bluetooth 4.0