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Lenovo ThinkPad SL400, SL400c, SL500, SL500c Service Manual
This Service Manual is intended for trained service technicians who need to repair or maintain Lenovo ThinkPad SL400, SL400c, SL500, and SL500c laptops. It includes safety information, diagnostic procedures, and step‑by‑step instructions for replacing field‑replaceable units (FRUs).
The document covers specifications, part numbers, location diagrams, common service tools, and power‑management guidelines. It also lists supported operating systems and provides troubleshooting tips for common hardware issues.
Lenovo ThinkPad SL400 specifications
| Processor options | Intel® Celeron® processor 575 (2.0 GHz), 1‑MB L2 cache |
|---|---|
| Display | 14.1‑inch, 16M colors, WXGA (1280 × 800) Anti‑Glare TFT LCD |
| Standard memory | 512‑MB DDR2‑667 SDRAM SO‑DIMM (PC2‑5300) |
| Hard disk drive | 80 GB, 5400 rpm, 9.5 mm high, SATA interface |
| Optical drive | DVD drive, 12.7 mm high |
| Battery | Li‑ion battery (6 cells) 2.4 Ah |
| AC adapter | 65‑watt type |
| Supported OS | Windows XP Professional |
Source: Lenovo ThinkPad SL400, SL400c, SL500, SL500c Service Manual
All Lenovo ThinkPad SL400 documents by type
Disassembly, diagnostics and part numbers, for repair.
Questions answered in these manuals
What safety precautions should be taken before servicing a ThinkPad laptop?
Technicians must observe good housekeeping, wear safety glasses, avoid metal objects, and follow the general safety rules listed in the manual.
From: Lenovo ThinkPad SL400, SL400c, SL500, SL500c Service Manual
Which operating system is supported by the SL400/SL500 series?
The manual lists Windows XP Professional as a supported operating system for these models.
From: Lenovo ThinkPad SL400, SL400c, SL500, SL500c Service Manual
What passwords can be managed with this manual?
The manual describes Power‑on password, Hard‑disk password, and Supervisor password.
Which diagnostic tool is recommended for troubleshooting?
PC‑Doctor for DOS, Windows, and Rescue and Recovery is used for diagnostics.
What safety precautions should I take when using the AC adapter?
Do not place the AC adapter in contact with any part of your body while it is in use and never use it to warm your body.
From: Lenovo SL300, SL400, SL500 Service and Troubleshooting Guide
How should I prepare the laptop before moving it?
Turn the computer off, or press Fn + F4 for sleep mode or Fn + F12 for hibernation before transporting it.
From: Lenovo SL300, SL400, SL500 Service and Troubleshooting Guide