How do you degauss the laptop computer monitor screen, & how much does a degausser cost?

LCD monitors do not require degaussing.

more info:

http://pcsupport.about.com/od/fixtheproblem/ht/degauss.htm

regards,
Philip T

GC Waldom Degaussing Coil, 9317, For Color CRT, Hi Power $57.49 Eliminates magnetic fields in CRT, TV picture tubes and computer monitors required before purity adjustmenst. Safe to use. Coil encased in a high-impact, 13″ diameter molded, plastic housing. supplied with 8ft. cord and momentary contact switch to en-energize coil….