Toshiba Satellite C850 / C855 (Inventec Dakar10F) Schematics & BIOS Bin
Motherboard Specifications
The Inventec DAKAR10F / DAKAR10FG is a very common motherboard found inside the Toshiba Satellite C850 and C855 models. This board typically features Intel's HM70 or HM76 chipset, supporting Intel 2nd and 3rd Generation processors (Sandy Bridge / Ivy Bridge), and uses standard DDR3 memory.
- Brand / Model: Toshiba Satellite C850 / C855
- Manufacturer / Code: Inventec DAKAR10F / DAKAR10FG
- Part Number: 6050A2491301-MB-A02 MP
- Chipset: Intel HM70 / HM76
Common Chip-Level Faults & Repair Notes
Before replacing the entire motherboard on a Toshiba C850 / C855, check these frequent failure points:
- Corrupted BIOS: Extremely common on this series. The laptop may power on with a blank screen, or the fan will spin at 100% with no POST. A BIOS reflash (file provided below) often brings it back to life.
- HM70/HM76 Chipset Failure: If the laptop powers on for exactly 30 minutes and then shuts off, you might have an HM70 chipset paired with an unsupported Core i3/i5/i7 (Intel anti-theft restriction) or a failing PCH.
- No Power (19V Short): Inspect the ceramic capacitors around the CPU VRM and main power rail. A shorted capacitor will trigger the charger's protection circuit.
Free Download Section
1. Toshiba Satellite C850 / C855 (Inventec Dakar10F) Schematic Diagram (.PDF)
Analyze the power sequence and track down board components with the complete schematic.
2. Toshiba Satellite C850 / C855 (Inventec Dakar10F) Boardview File
Quickly locate any resistor, capacitor, or test point on both sides of the motherboard.
Need BoardView Software? Download it Free Here.
3. Toshiba Satellite C850 / C855 Clean BIOS + EC Bin File
A corrupt BIOS can cause a "no display" issue even if the hardware is fine. Programming a clean BIOS is a crucial troubleshooting step.
⚠️ Always remember: Create a backup of your original BIOS chip before programming the new bin file so you can safely revert if necessary.
