Dear friends, I am facing so many problem in my office pc. PC configuration is RAM= 1 GB transcend and 1 GB Dynet , total 2 GB RAM , Mother Board = Intel 946 (NH82801 GM , L705 NC60) , HDD = 160 GB Seagate , Processor = 3.00 GHz The problem is that . 1> When i start my pc than it start very slow . Which service i disable or remove than my pc performance is good . 2> I installed skype in my pc . When i call my friends than i can hear him/her voice but they can not hear me . I search on skype site and google but not getting solution. 3> Hang problem . My pc hang very time when i open more application. 4> Sound problem . most of the time when i play song than i can not hear voice . that time i go to sound option . and click to test button than i can not hear any beep . 5> Shut down problem. When i finish my work and just click to shut down button than it will take 1 minutes or less time . But it takes time. 6> Black Screen problem that problem i facing always . when ever i open and running any application or firefox than firefox or that application get black screen . I send you attechment that error. Please friend help me to solve that problems. I search on google and other sites also , trying still. Plz some one help me. -- Regards Jitendra Jha Jr. Linux System Administrator Hotwax Media Inc., Indore +91-9893325765 <a href="http://www.hotwaxmedia.com" target="_blank">www.hotwaxmedia.com</a>