Wadau naombeni msaada wenu maana nina vimeo viwili(Laptop) hapa, moja ni IBM Thinkpad T42P na nyingine ni Tshiba Satelite A135-S2386 zote zawaka ila hazidispaly katka screen, nimejaribu kuconnect na exeternal screen wapi, nimejaribu kubadilisha RAM ila wapi, CPU fan zazunguka, je wadau mwanishauri nifanyaje hapo maana troubleshooting zote muhimu ni mefanya?