12 OHS Procedures for Computer Hardware Servicing NC II Three days before my eamination in Computer Hardware Servicing NC II at Technica! "ducation and S#i!!s $eve!opment %uthority &T"S$%' on Saturday( 2) *une 2+1,- This post is part of my review for the said assessmentOHS or Occupationa! Hea!th and Safety refers to the !egis!ation( po!icies( procedures and activities that aim to protect the hea!th( safety and we!fare of a!! peop!e at the wor#p!ace12-
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1. 1.Di sassembl i ngaPCPr esent edby: gr oup2 2. 2.Pr e s en t e r s :1 .Na z mu mu sSa k i b2 .T o nmo yDe bn at h3 .Ami n ul I s l a m4 .Kh al i dMu Mu ha mma mm dSa i f u l l a h5 .Ra fi a Sul t an a 3. 3.Wh at ’ sd i s as s embl i n g?θ Di s a s s emb l i n gme an sp ar t i n gt h ed i ff er e ntc o mp mp on en t sofac o mp mp ut e rf r o mt h e s ys t em uni t .θ T oper f or m di s as s embl i ng,t het as k sgoesl i k eunpl uggi ng,uns c r ewi ngandt henl i f t i ngt he a da pt e r s ,d r i v e s&o t h erc o mp mp on en t s . 4. 4.St e p1:Unpl uggi ngThefi r s tt hi n gweha v et odo ,i sunpl u ge v er yc abl et hat ' spl u gg edi nt oc omput e r .That i nc l udest hef ol l owi ngc abl es : Power USB Fi r ewi r e Mou Mo s e Keyboar d I nt er net Et he r n et Modem AMFM Ant en na Cabl eTV et c . . . 5. 5.St e p2 : Out er Shel l / Ca si ngθFi r s to ff,weha v et oun sc r e wt hef ours c r e wsont heba ckoft heco mput mp er .θ On c et h es c r e wsa r er e mo mo v e d ,wec anr e mo mo v et h es i d ep an el s . 6. 6.J us tl i k et hes i depanel s ,t het oppanel s l i desoff 7. 7.St e p3 : Sy s t em Fa nSy s t e mf ani sl o ca t e da tt heb ac ks i d eo ft h ec omp ut er ,t h es i d ewi t ha l l t h ec omp on en t pl ugi ns . 8. 8. Fi r s t , weha v et ounp l u gt h ef a nf r o mt h emo t h er b oa r d .Th es y s t e mf ansh ou l dbel a be l ed" SYS_F AN1 " . Ne xt , wewi l l ha v et oun sc r e wt hef anf r om t heout s i de. Wes hou l dno w beabl et ol i f tt hef anoutoft hePC 9. 9.St e p4 :CPUFa nTh eCPUf ani sl o c at e dr i g hto nt o po ft h eCPUh ea ts i n k,wh i c hi sal a r g ep i e c eo fme t a l wi t hfi nsont het op. 10.10.St ep5:Po we rSu pp l yTh epo we rs up pl ys u pp l i e spo we rt oev e r yc omp on en ti nac omp ut e r .Th el i s t bel owi sev er yt hi ngt hatt odi s connec t : Mo Mo t h er boa r d( v er yl ar gec onnec t or / pl ug) CD/ DVDd r i v e [ s ] power I nt er nal har ddr i v epower Por t abl ehar ddr i v es l otpower 11.11.St e p6 :CD/ DVDDr i v e [ s ]θ Th eCD/ DVDd r i v ei son eo ft h ee as i e s tc ompo ne nt st or e mo mo v e.Fi r s t ,u npl ug t her i bbonf r om t hebac koft hedr i v e.Onc et hati sc ompl et edt henpus hi toutf r om t hei ns i de. 12.12.St e p7 :Ca r dRe ad erθ J us tl i k ee v er yot h erc omponent ,unpl u gt h ewi r efi r s t .Thenun sc r e wt hem al l ! Af t ert h at ,t hec ar dr eaders houl dber emo v abl e. 13.13.St ep8 : Har dDr i v e&Por t abl eDr i v eSl o tθ Fi r s toff,deat t ac ht hec onnec t oratt hebac koft hes l ot ,and unpl ugt heo t he rendf r o mt hemo t her b oa r d.T or emo v et h ehar ddr i v ef r om t hes i deoft hes l o t ,uns c r e wt he f ours cr ewssec ur i ngi ti npl ac e.Youmus tbev er ycar ef ul t onotdr opt hehar ddr i v e,asi ti sver ydel i c at e! 14.14.St e p9 :Ex p an s i o nCa r d sθ Ex pans i onc ar dsgi v eacomput erne wc apabi l i t i es ,onc ei ns t al l ed.Di ff er ent e x amp l e sar e:¬Bl uet oot h¬Wi r el es sI nt er net¬Et her ne t¬TV
15.15. Re mo v et h es c r e wso nt h eo c c up i e dc a r ds l o t s .On c et h es c r e wsar er e mo v e d,y o us h ou l dbeab l et o r emo v et h ec ar d sb ypu l l i ngt h em c ar ef u l l yupwar d. 16.16.St ep10:Connec t i v i t yCent erCabl esTheconnec t i v i t yc ent eri st hear eaont hef r ontoft hecomput er wh er et her ei sman yi n pu ts ec t i ons ,l i k eus b,fi r ewi r e,mi c r ophone,headphones ,v i de o,e t c . 17.17.St ep11:RAM ( Random Acc essMemor y)Tor emov et heRAM,pushdownonbot ht abshol di ngt heRAM i np l ac e,wh i c har el oc at edatbo t hendsoft heRAM.Pl ea ses eet hepi c t ur e s. 18.18.St ep12:PowerBut t on&PowerLED+HDDLED θTh ep o we rb ut t o n,p owe rL ED,a ndha r ddr i v eL ED ar eal l wi t hi napl as t i c" c has i s " .θT or emo v et h eL EDsf r o mt h e" c ha si s " ,p us ht he mf r o mt h ef r o ntwi t ha s cr ewdr i v er . 19.19.St ep13:Conn ec t i v i t yCe nt e rθ Fi r s tt hi ng,uns cr ewt hes i ngl es cr ewhol di ngi ti npl ac e.θ Oncet he s c r e w[ s ]ar er e mo v ed ,t hewhol eco mponents houl dsl i dei nt ot hei n si deoft hecomput er ,whi c hc ant henbe r emov ed. 20.20.Th emo t h er b oa r dl i n k sev e r yc o mp on en ti nt h ec o mp ut e rt o ge t h er .Th emo t h er b oa r dh ass e v ens c r e ws hol di ngi tt ot hef r ame.Remov et hos es ev en,t henl i f tt hemo t her boar doutoft hef r ame. 21.21.I t ’ sdo ne ….
