Hello and thank you for contact with FTS.
Unfortunately, since the Celsius H250 is an archived product after the end-of-service-life (EOSL), we may not have a complete documentation for that system.
Please see the below search results or navigate to our site:
https://support.ts.fujitsu.com/IndexDownload.asp ,"Select a new Product" (H250) and see what still can be found for the Celsius H250 Mobile Workstation:
Datasheet CELSIUS H250 1.0 (19/08/2008)
https://support.ts.fujitsu.com/IndexDow ... 66C30F00E9CELSIUS H / ESPRIMO Mobile, Quick Start Guide 2009.04.28 (29/09/2009):
https://support.ts.fujitsu.com/IndexDow ... 1377CF521CProfessional Notebook, Operating Manual (en) 1.0 (07/09/2009):
https://support.ts.fujitsu.com/IndexDow ... 4EE04A9911Recovery BIOS and BIOS Update 2009.05.20 (28/06/2012):
https://support.ts.fujitsu.com/IndexDow ... 42A1E34825Windows 7: Recovery Guide (en,de,it,fr,es,da,fi,no,sv) 2009.09.07 (21/10/2010):
https://support.ts.fujitsu.com/IndexDow ... 9C0801AE63Best regards