System Board Layout; Internal Antenna; Removing The Internal Antenna - Dell Precision 3240 Compact Service Manual

System board Layout

1. M.2 2230 WLAN connector
2. SATA FFC connector
3. PCIe x8 slot Gen3 slot
4. M.2 2230/2280 SSD PCIe x4 connector
5. Coin-cell battery
6. Optional I/O board connector (USB 3.2 Gen 2 Type-C Port)
7. Keyboard and mouse serial port connector
8. Optional video connector (VGA Port/DisplayPort 1.4 Port/HDMI 2.0b Port/USB 3.2Gen 2 Type-C Port with Alt-mode)
9. Processor socket
10. CPU Fan connector
11. Internal speaker connector
12. Two SODIMM DDR4 memory slots
13. M.2 2230/2280 SSD PCIe x4 connector

Internal antenna

Removing the Internal antenna

Prerequisites
1. Follow the procedure in
2. Remove the side cover.
3. Remove the top cover.
4. Remove the SMA antenna
5. Remove the front bezel.
6. Remove the hard drive
before working inside your
assembly.
computer.
Disassembly and reassembly 79