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#11
Laptops have eeproms, electronically erasable programmable read only memory. Removing the CMOS battery doesn't reset them like a regular eprom in a desktop PC. All it does is mess up the date and time, all the other settings like passwords etc stay in-tack. You have nothing to loose by trying it but I don't think it will help. If you are not getting any kind of BIOS message on the monitor it is probably bricked. If you poke around on the manufacturers web site you might get lucky and find a BIOS recovery procedure. It usually involves pressing a certain key combination while powering up the laptop with a bios file on a thumbdrive or floppy. disk. You may have to really hunt to find and there is no grantee it will work.
Here is an example Phoenix Bios Recovery - The Elder Geek on Windows