Brand: SAMSUNG
Category: Computer
Document Type: Manual
Language: EN
Manual for 400T8A/400S8A
Uploaded: Nov. 21, 2025, 7:57 p.m.
Manual Publish Date: 2018-01-01
Warranty Information
Samsung is not liable for any data loss. Backup your data frequently.
- Getting Started: Information on safety precautions, ergonomic tips, package contents, overview of the computer, and how to turn it on and off.
- Windows: Basic information about Microsoft Windows and understanding the screen.
- Using the computer: Details on using the keyboard, mouse, CD drive, memory card slot, connecting external devices, speakers, adjusting volume, wired and wireless LAN, Samsung Update, and online support.
- Settings and Upgrade: Guidance on BIOS setup, setting boot passwords, changing boot priority, disassembling the computer, interior components, main board structure, adding cards and memory, and upgrading the HDD, CD drive, CPU, and CMOS battery.
- Backup / Restore: Information on Samsung Recovery and Windows reinstallation.
- Appendix: Includes important safety information, replacement parts, regulatory compliance, WEEE symbol information, packaging take-back program, product specifications, and a glossary of terms.
Troubleshooting and error codes
| Issue | Possible Cause | Solution |
|---|---|---|
| Computer does not start. | Power cord is not connected. | Connect the power cord firmly to the AC adapter and the wall outlet. |
| Power outage. | Check if the power is supplied to the outlet. | |
| Incorrectly installed memory or CPU. | Reinstall the memory or CPU according to the manual. | |
| Screen is blank. | Monitor is not connected. | Connect the monitor cable firmly. |
| Monitor is turned off. | Turn on the monitor. | |
| Computer is frozen or unresponsive. | Software conflict or system error. | Restart the computer. If the problem persists, contact a Samsung Service Center. |
| Loud noise from the computer. | Fan malfunction or dust accumulation. | Clean the vents and fan. If the noise persists, contact a Samsung Service Center. |