This is a UL (Underwriters Laboratories) flammability rating. It indicates the board's plastic material is self-extinguishing within 10 seconds.
If voltages are correct but there is no boot, the BIOS chip may need reflashing. To help you find the exact schematic PDF , please tell me: Laptop Brand and Model (e.g., HP Pavilion g7) other alphanumeric codes Hannstar J Mv-4 94v-0 E89382 Schematic Pdf
To find the correct schematic, you need the or the Board Revision Number (e.g., X200CA REV 2.1 ). Common laptops with this marking include: Lenovo: IdeaPad Y510 , , and some G-series models . Asus: X200CA, X202E Go to product viewer dialog for this item. , , and . Acer: Aspire E5-571 Go to product viewer dialog for this item. and E1-571 series . Toshiba: Satellite C670 Go to product viewer dialog for this item. and C855 Go to product viewer dialog for this item. . Medion: Various budget laptop models. 📂 Schematic & Boardview Sources This is a UL (Underwriters Laboratories) flammability rating
Look for a 5-digit number followed by a revision (e.g., 48.4GH01.011). To help you find the exact schematic PDF