Dell ChengMing 3991 Service Manual page 50

Next steps
Next steps
1. Install the processor
2. Install the coin cell battery
3. Install the PSU
4. Install the memory module
5. Install the expansion card
6. Install the heat sink assembly
7. Install the M.2 SSD card
8. Install the front bezel
9. Install the side cover.
10. Follow the procedure in
50 Disassembly and reassembly
After working inside your computer.