Manuel d'utilisation / d'entretien du produit Z50 du fabricant IBM
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S37L-2095-00 IBM Mobile Systems WorkPad z50 Mobile Companion (2608-1Ax) Hardware Maintenance Manual March 1999.
© C opyri ght IB M C orp . 19 99 iii No t e B ef or e usi ng th is inf or m ati on and th e pr oduc t it sup p or ts , be sur e t o read th e g en er al inf orm ati on und er “N otic es” on page 61 .
iv IB M W o rk Pa d z50, Mob ile Com panio n iv Abo ut This Manua l T his m an u al c ont ains s er vic e an d r ef erenc e i nf or mati on f or th e W ork P ad z5 0, M obi l e C omp an i on. Us e th is man u al alon g wi th the d i agn os tic s oft w ar e t o tr oub l e sh oot pr obl ems ef f ec t i v el y .
© C op yri ght IB M C or p . 1999 v Contents Introd uct ion ......................................................................... v ii I MPORTANT S ERVI CE I N FOR M A TION VII FRU Re pla ce me nt S tra teg y .....................................
vi IBM W orkP ad z5 0, M obi l e C omp an i on vi 1040 K eyboard Asse m bl y .........................................................3 9 1050 Bot t om Cover ................................................................... 40 1060 Mai nboard ......
© C op yri ght IB M C or p . 1998 vii I ntrodu ction Imp or t ant S er vic e Inf o rm atio n Imp orta nt S oft war e f i xes ar e cus t om er ins t al l abl e.
v i ii IB M W o rk Pa d z50, Mob ile Com panio n vii i Safety Not ices (Multi-li ngual Translati ons) In th is manua l, sa f e ty no ti c e s appe ar in Engl ish wit h a page numb er ref er enc e to the ap pr opri at e mu lti- li ng u al, t r ans l ated saf ety n otic e f oun d in t his s ect ion.
© C op yri ght IB M C or p . 1998 ix Safety Notice 2 T he bat t er y pac k c ont ains s m all am ou nts of h armf ul su bsta nce s. D o no t disa ssem ble i t, th r ow it in to fire o r water, or sh ort-circ u it it. Dis p os e of the batt ery a s re qui red by local o rdina nce s or re gula tio ns.
x IBM W orkPad z 5 0, M obil e C omp ani on x Safety Notice 3 If the LCD br eaks and th e f lu id fr om ins i d e th e LCD g ets int o you r ey es or on you r h ands , i mm ed i at el y was h the aff ect ed are as w it h w at er f or at leas t 15 mi nut es .
© C op yri ght IB M C or p . 1998 xi Safety Notice 5 T hou gh m ai n batt er i es ha ve l ow vol t ag e, a s h or t ed or gr oun d ed b att er y c an pr oduc e en ou gh c ur r ent t o bur n comb us ti bl e m at er i als or per s onn el.
xii IBM W orkPad z 5 0, M obil e C omp ani on xi i Sa fety I nfor mati o n T he f ollow i ng s ecti on c ont ai ns t h e saf et y i nf orm ati on t h a t you n eed t o be f amil i ar wit h b ef or e s ervic i ng an IB M m ob il e comp ut er .
© C op yri ght IB M C or p . 1998 xii i Electrical Safety Obs erve th e f ollow i ng ru l es w h en w or kin g on el ectr ic al equi pm en t. Imp orta nt Us e onl y ap pr oved tool s and t est equ ip m ent .
xi v IBM W orkP ad z5 0, M obi l e C omp an i on xi v • Re gula rly in spe c t a nd ma inta in y our ele ctri c al ha nd t ools for s af e oper ati on al c on dit i on. • D o not us e w or n or br ok en t ools and t est ers. • Ne ver a ssume t h at p ow er h as b een dis c onn ec t ed f rom a ci rc uit .
© C op yri ght IB M C or p . 1998 xv T he gui d e c ons is ts of a s eri es of st eps pr es ent ed in a che ckl ist . Beg in the che c ks wi th the po wer o ff, a nd t he pow er co r d d isco nne cted. Ch ecklis t: 1. Ch eck ext eri or c over s f or dam ag e ( l oos e, br oken , or s h ar p e d g es ).
xvi IBM W orkP ad z5 0, M obi l e C omp an i on x vi Handling Electrostatic Discharge-Sensiti ve Devi ces An y c omp ut er par t c ont aini n g tr ans is t ors or i nt egr at ed cir cuit s ( Ics ) s h ou ld b e c ons ider ed s ens it i ve t o el ect r ost atic disch arge (ESD).
W orkP ad z50 M ob il e C om p ani on 1 Wo rk Pa d z5 0 Mo bile Com pa nion (2608) Read This Fi rst B ef ore y ou go t o t h e c h e ckou t gu id e, b e sur e t o r ead t his se ction . Imp orta nt • Only cert ifi ed tr ained p ersonn el should s ervic e the co mp u ter .
2 IBM W orkPad z 5 0, M obil e C omp ani on 2 Screw Tightening Informat ion Loos e s c r ews c an c aus e rel i abi lit y pr obl ems . T h e IB M W orkP ad z 50 ad dr ess es th is pr ob l em with n yl on c oat ed scre ws.
W orkP ad z50 M ob il e C om p ani on 3 Attent ion Pu shin g the W o rk Pad z5 0’ s Powe r butto n will powe r on ( or res u m e ) th e s yst em , or put th e s yst em i n sus p end mode : the re is no powe r-o ff sta te .
4 IBM W orkPad z 5 0, M obil e C omp ani on 4 The fol low i ng sy m pto ms mi ght ind ica te dam age caus ed by non warrant ed act ivitie s: M issing pa rts may be a symp tom o f unau thor ized serv ice or m odif ic ati on.
W orkP ad z50 M ob il e C om p ani on 5 Product Overview R efer to th e f oll ow i ng t abl e f or an o ver vi ew of t h e s yst em f eatur es of th e W orkP ad z50 M ob ile C om pani on : Featur e De.
6 IBM W orkPad z 5 0, M obil e C omp ani on 6 Checkout Guide Us e th e f oll owin g pr oced ur e as a g uid e f or c omp ut er pr obl ems. 1. Ob tai n t he f a ilin g s ymp tom s in a s m uch deta il a s po ssible .
W orkP ad z50 M ob il e C om p ani on 7 Sy m pt oms (V erif ied) Re fer T o Oth er s ympt oms (s uc h a s LCD display pr obl ems) . “S ymp t o m-t o- FR U In d ex” on pa ge 21. PC c a rd s do not wor k. “PC C a rd Slots Te st” on pa ge 27. Br ightne ss/cont ra st but t ons do not w ork.
8 IBM W orkPad z 5 0, M obil e C omp ani on 8 Keyboard Checkout If th e k eybo ar d does n ot wor k or an u n exp ec t ed ch ar ac t er app ear s, m ak e sur e t h at t he f l exi bl e c abl e ext en di ng f r om th e keyb oar d is c or r ect ly s eat ed i n t he c onn ect or on th e main b oard .
W orkP ad z50 M ob il e C om p ani on 9 Modem Checkout If a mod em pr obl em occ urs , d o th e f oll ow ing: 1. O pen t h e Te rmi nal p r o g ram. D o uble click the “Make a N ew S ess i on” ic on t o op en th e S es si on Prop ertie s w indow .
10 IBM W orkPad z 5 0, M obil e C omp ani on 10 AC Adapter Checkout: Yo u ar e h er e b ec aus e th e W orkP ad z50 f ails onl y w h en th e AC A d apt er is us ed. • If the pow er pr ob l em occ u r s onl y wh en th e c r ad l e is us ed, r epl ac e th e c r adl e.
W orkP ad z50 M ob il e C om p ani on 11 Battery Pack Checkout: If the b att e r y pac k or t h e opti onal high- c ap aci t y b att er y h ave a pr obl em , r ef er t o t h e f oll owi ng: 1. Ent er sus p en d m od e b y pr essi ng th e P ower b utt on.
12 IBM W orkPad z 5 0, M obil e C omp ani on 12 Checking Operational Charging: T here is no dif f er enc e in bat t er y ch ar gin g t i m e wh eth er th e s yst em is ful l y op er ati on al or n ot.
W orkP ad z50 M ob il e C om p ani on 13 Backup Battery Checkout (Nonrechargeable) If r emo v ing all po we r so urces ex cep t f o r the ba ckup ba tte r y r e sults in th e s yst em bein g r eset, s us p e c t a pr obl em with the ba ckup ba tte rie s.
14 IBM W orkPad z 5 0, M obil e C omp ani on 14 Press OK t o cl os e th e mess ag e wi nd ow, th en clic k Start to begi n t h e c ali br ati on . Y ou wi ll s ee t h e f ollowi ng d i al og w indow : Pre ss OK to clo s e thi s dialo g wi ndo w.
W orkP ad z50 M ob il e C om p ani on 15 TrackPoint Checkout T he Tr ackP oi nt ad jus ts th e poi nt er s ens or autom at ic all y. Duri ng th is pr oces s , t h e p oint er mov es on t he s c r een aut omat ic all y f or a sh ort t ime.
16 IBM W orkPad z 5 0, M obil e C omp ani on 16.
W orkP ad z50 M ob il e C om p ani on 17 Inst a lling t h e R OM/D RA M Car d Thi s se ction de scribe s how to i nsta ll t he ROM ca rd o r the opt ion al D RA M c ard t o th e W o rkP ad z 50. Note: W he n yo u re move t he R OM/DR AM c a rd, you wi ll lose al l sto red data .
18 IBM W orkPad z 5 0, M obil e C omp ani on 18 7. W it h th e not ch ed en d o f th e c ard t ow ar d th e ri gh t si d e of th e s ock et, ins ert th e c ar d at an an gl e of ap pr oxi mat el y 2 0 d egr ees i nt o t h e s oc ket ; pr ess i t i n f irml y as s h own ( 1) .
W orkP ad z50 M ob il e C om p ani on 19 5. Uns cr ew th e s in gl e (c apti v e) s c r ew th at s ecu r es t he ROM /DRAM c ar d c ompa rtmen t cove r to the cha ssis. R emo ve th e c over . 6. Using y our fing ers or a sm all sc r ewdr i ver, pr ess ou t th e two l atc h e s on th e s i d e s of th e c ard awa y f r om th e slots.
20 IBM W orkPad z 5 0, M obil e C omp ani on 20 Power Management Feat u res T he pow er m anag em en t f eat ur es ar e des ig n ed t o s av e as much el ectr ic it y as p oss i bl e by pu tti ng c omp onen t s in t o a low -powe r c on sumpt ion mode a s o f ten a s po ssib le.
W orkP ad z50 M ob il e C om p ani on 21 Sy mp to m-to -F R U I n d e x T he s ymp t om- t o- FR U In d ex lis t s th e s ymp t oms and err or s and t h e p oss ibl e c aus es.
22 IBM W orkPad z 5 0, M obil e C omp ani on 22 401 LED boar d err or Symptom / Error FRU / Action in S equenc e 401 LED boar d err or 1 . LED board 2. Mainboar d 5XX 501 Batter y error 501 Batter y error 1 . Ba ttery 2. Mainboar d 6XX 601 Audi o pla yback err or 602 Audi o rec ordi ng error 601 Audi o pla yback err or 1.
W orkP ad z50 M ob il e C om p ani on 23 Function-Related Sym ptoms Symptom / Error FRU / A CTION IN S EQU ENC E T he system does not sus pend or res um e when the LCD is cl osed or opened. 1. Go to “Suspe nd Mode” on page 2 0, and che ck that the W orkP ad z50 can ent er suspen d mode.
24 IBM W orkPad z 5 0, M obil e C omp ani on 24 Keyboard- or Tr ackPoin t- Related Sympto ms Symptom / Error FRU / Action in S equenc e T he keyboard (o ne or m ore keys) does n ot work. 1. O n the Wi ndows Taskbar, ch eck t hat Caps Loc k or Num Lock are not enabled .
W orkP ad z50 M ob il e C om p ani on 25 Peri phe ral Dev i ce Re l ated S y mp to ms Symptom / Error FRU / Action in S equenc e T he ex ter nal m onitor does no t work correctly . 1. Check t hat t he external mon itor is enab led in t he Rapid A c cess utilit y.
26 IBM W orkPad z 5 0, M obil e C omp ani on 26 Int er m itte nt Pr ob lems Int erm itt en t s yst em h ang pr obl ems c an b e c aus ed b y a v arie ty o f rea s on s tha t ha ve noth ing to do w ith a ha rdwa re de f e ct, s uch a s: co smic ra dia tion, ele ctro stati c di scharge , o r sof tw are err or s.
W orkP ad z50 M ob il e C om p ani on 27 Running the Diagnostics T he foll ow i ng t abl e lis ts th e s p eci al t ools us ed in th e dia gno sti cs: Tool Na me FRU P/N S erial w r ap c onn ec t or 0.
28 IBM W orkPad z 5 0, M obil e C omp ani on 28 UUID A UUI D (u nive rsal un ique ID ) i s u nique ly a ssigne d to ea c h syst em b oar d f or s ys t em man ag em en t pur p o ses.
W orkP ad z50 M ob il e C om p ani on 29 Application Launchi ng Key Assignments T he app lic ati ons k eys are pr ogr amm ed t o launc h pr es et sof t w are ap pl ic ations .
30 IBM W orkPad z 5 0, M obil e C omp ani on 30 Removing and Replaci ng Defective FRUs T his sect i on pr ovi d es inf orm at i on on r em ovi n g an d r ep l aci ng FRUs. • Do not dama ge any pa rt. On ly ce rti fie d and tra ined pers onn el s h ould s ervic e t h e W ork P ad z50 M obil e C omp anion .
W orkP ad z50 M ob il e C om p ani on 31 An ele c t r ostatic disc harg e (ESD) strap (P/N 6405 959) mus t be us ed to est ab lis h per s on al gr ou n di ng.
32 IBM W orkPad z 5 0, M obil e C omp ani on 32 Imp o r tan t Noti ce T he W o r k P ad z5 0 M obi l e C omp an i on us es sp ec i al nyl on - coat ed sc r ews wit h t h e f oll ow i ng c h ar ac t er is tic s : • T hey m ai nt ain ti gh t c onn ec ti ons.
W orkP ad z50 M ob il e C om p ani on 33 Unp luggi ng and Pluggin g Flexi ble Cabl es: T wo t yp es of c abl e an d c onn ec t ors ar e us ed in t h e W o r kP ad z5 0. Som e c onn ec t ors h ave a c l asp , wh ic h m us t be un locke d be f o re remo ving the c ab le.
34 IBM W orkPad z 5 0, M obil e C omp ani on 34 Remo v a l refere nce T he ch art b el ow s h ows t h e ord er f or r emo vin g FR Us . W he n a FRU h as b een r emo ved , f oll ow t he ar r ows t o th e F RU ( or FR U s) tha t can be re mo ved ne xt.
W orkP ad z50 M ob il e C om p ani on 35 1010 Backup Batteries 1.T urn th e W o rkP ad z 50 ups id e d own . Step Siz e (Qua nti ty) Color Torque Length 2 Coin scr e w M 2.5 (1) B lack 3 kg cm 4.0 mm Note: You c an l oo sen th e c apt i ve sc r ew in s t ep 2 , but cann ot r emo ve it f r om th e b ac kup b att er y c over .
36 IBM W orkPad z 5 0, M obil e C omp ani on 36 1020 ROM/DRAM Car d • Ba ck up Ba tte rie s ( 101 0) • Ba tte ry Pa ck (1 030) Attent ion R emo ve al l p ow er s our c es f r om th e W orkPad z5 0 bef or e replacing the ROM/DRAM c a rd . 1. T urn th e W o rkP ad z 50 ups id e d own .
W orkP ad z50 M ob il e C om p ani on 37.
38 IBM W orkPad z 5 0, M obil e C omp ani on 38 1030 Batter y Pack 1. T urn th e W o rkP ad z 50 ups id e d own . No t e At s t ep 3 you mus t pus h and h ol d t h e b att er y r el eas e l oc k as y ou s lid e th e l oc k in th e dir ec ti on indic at ed b y th e arr ow.
W orkP ad z50 M ob il e C om p ani on 39 1040 Keyboard Assembly • Ba ck up Ba tte rie s ( 101 0) • Ba tte ry Pa ck (1 030) Attent ion R emo ve al l p ow er s our c es f r om th e W orkPad z5 0 bef or e r emo vi ng t h e k eyb oar d ass em bl y. 1.
40 IBM W orkPad z 5 0, M obil e C omp ani on 40 1050 Bottom Cover • Ba cku p Ba tte rie s ( 1 010) • Ba tte ry Pa ck (1 030) • K eyb oar d As s emb l y (1 04 0).
W orkP ad z50 M ob il e C om p ani on 41 Atten tion! Attent ion B e car ef ul wh en a ss em bl ing t h e b ott om c over and th e ba tte ry shiel d no t to p inc h the c a ble s. Step Siz e (Qua nti ty) Color T orque Length 3 M 2. 5 ( 4 ) Bla ck 3 kg cm 6 .
42 IBM W orkPad z 5 0, M obil e C omp ani on 42 1060 Mainboard • Ba cku p Ba tte rie s ( 1 010) • Ba tte ry Pa ck (1 030) • K eyb oar d As s emb l y (1 04 0) • B o tt om C over ( 10 50) Step Siz e (Qu ant ity) Color Tor que Length 6 M 2.0 ( 3) N/ A 3 kg cm 6.
W orkP ad z50 M ob il e C om p ani on 43 1070 LCD Bezel Attent ion B e car ef ul wh en lif ting th e b ez el c over l oos e. T h e pl ast ic t abs th at h old it s ec ur el y to t h e LCD un it ar e easil y dama ged . Remove t he s crew cov ers Step Siz e (Qu ant ity) Color Tor que Length 2 M 2.
44 IBM W orkPad z 5 0, M obil e C omp ani on 44 1080 LCD Unit • Ba cku p Ba tte rie s ( 1 010) • Ba tte ry Pa ck (1 030) • K eyb oar d As s emb l y (1 04 0) • B o tt om C over ( 10 50) • LCD Bezel (1 070) 1. T URN THE W OR K P AD Z 50 OVE R .
W orkP ad z50 M ob il e C om p ani on 45 1090 Inverter Card and LCD Panel • Ba cku p Ba tte rie s ( 1 010) • Ba tte ry Pa ck (1 030) • K eyb oar d As s emb l y (1 04 0) • B o tt om C over ( 10.
46 IBM W orkPad z 5 0, M obil e C omp ani on 46 Step Siz e (Qu ant ity) Color Tor que Length 1 M 2.5 ( 4) N/ A 3 kg cm 4.0 m m 5 Hex (2) N /A 3 kg cm 5. 0 mm Note: M ak e s ur e you us e th e c orr ect s c r ew and ti ght en th e sc r ew t o t h e tor qu e sp ec if i ed.
W orkP ad z50 M ob il e C om p ani on 47 1120 Speaker • Ba cku p Ba tte rie s ( 1 010) • Ba tte ry Pa ck (1 030) • K eyb oar d As s emb l y (1 04 0) • B o tt om C over ( 10 50) 1130 Microphone.
48 IBM W orkPad z 5 0, M obil e C omp ani on 48 1140 Audio Ports T he ear j ack and sp eak er ou t port s ar e all bu ilt int o th e main b oard . If any of t h ese d e vic es h as malf unc ti on ed , you must r epl ac e t h e mai nb oar d.
W orkP ad z50 M ob il e C om p ani on 49 Note: M ak e s ur e you us e th e c orr ect s c r ew and ti ght en th e sc r ew t o t h e tor qu e sp ec if i ed.
50 IBM W orkPad z 5 0, M obil e C omp ani on 50 1160 RJ-11 Assembly • Ba cku p Ba tte rie s ( 1 010) • Ba tte ry Pa ck (1 030) • K eyb oar d As s emb l y (1 04 0) • B o tt om C over ( 10 50).
W orkP ad z50 M ob il e C om p ani on 51 1170 Hardware Button Board • Ba cku p Ba tte rie s ( 1 010) • Ba tte ry Pa ck (1 030) • K eyb oar d As s emb l y (1 04 0) • B o tt om C over ( 10 50) Step Siz e (Qu ant ity) Color Tor que Length 1 M 2.0 ( 1) N/ A 3 kg cm 6.
52 IBM W orkPad z 5 0, M obil e C omp ani on 52 1180 Top Cover • Ba cku p Ba tte rie s ( 1 010) • Ba tte ry Pa ck (1 030) • K eyb oar d As s emb l y (1 04 0) • B o tt om C over ( 10 50) • Ma.
W orkP ad z50 M ob il e C om p ani on 53 Locations Front Right View 1. LC D co ve r rele ase la tc h 2. LCD di s pl ay 3. Br ig ht n ess c ont r ol but t ons 4. Cont r ast c ontr ol b utt ons 5. N otif ic ati on but t on 6. Notif ic ati on LE D 7. Mi cropho ne but ton 8.
54 IBM W orkPad z 5 0, M obil e C omp ani on 54 Left V iew 1. RJ -1 1 c onn ect or 2. Ex ter nal e ar phone ja c k 3. Mi cropho ne ja c k 4. PC c ard eject bu tton 5. PC c ard sl ot Right View 1. E xt ernal monitor p ort 2. Compa ctFla s h slo t 3. C o m p ac t F l as h e j ec t b u t t o n 4.
W orkP ad z50 M ob il e C om p ani on 55 Rear View 1. Pow er j a ck 2. B att er y r el eas e l oc k 3. B att er y r el eas e l atc h 4. Lo ck keyho le Bo tto m Vie w 1. B ac k up b att er y comp ar t m ent 2. Bu ilt - in mono phon ic spe ake r 3. OS RO M an d DR A M c omp art m ent 4.
56 IBM W orkPad z 5 0, M obil e C omp ani on 56 System Unit Part s Listing 1 2 3 4 5 6 7 8 9 10 11.
WorkPad z50 Mobile Companion (2608-1Ax) 57 System Unit FRU List No. FRU PART DESCRIPTION FR U ELEMENTS FR U P/N QTY CRU 1 POINTING STICK CAP 84G6536 1 √ K/B ASS ’ Y (USA) 02K4862 1 K/B ASS ’ Y (.
58 IB M WorkPad z50, Mobile Companion (2608-1Ax) LCD Unit Parts List No. FRU PART DESCRIPTION FR U ELEMENTS FR U P/N QTY CRU LCD BEZEL ASS ’Y 05K5934 1 LCD BEZEL 1 LCD BUTTON 1 1 SCREW CAP 2 2 LCD MODULE ASS ’Y 8.2" DSTN 05K9399 1 INVERTER ASS ’Y 10L1216 1 INV.
WorkPad z50 Mobile Companion (2608-1Ax) 59 Miscellaneous and Other Parts DESCRIPTION FRU ELEMENTS QTY FRU P/N CRU MISC PART GROUP 1 1 05K5940 HOOK KNOB 1 HOOK SPRING 1 IR LENS 1 DOCKING SHUTTER 1 RUBB.
60 IBM W orkPad z 5 0, M obil e C omp ani on 60 Pow er Cord IB M powe r c o rd s f o r a spe cifi c coun try are usua lly av aila ble only in th at c ou ntr y: For 2 -pi n pow er cord s: IBM Pow er Co.
W orkP ad z50 M ob il e C om p ani on 61 Notices R eferenc es i n this pu blic ati on t o IB M pr oduc ts , pr ogr ams , or se rvi c e s do no t imply tha t IBM in tend s to ma ke the s e avai l abl e i n all c ountr i es in whic h I B M op er at es.
IBM Part Number: 37L2095 Printed in U.S.A. S37L-2ð95-ðð.
Un point important après l'achat de l'appareil (ou même avant l'achat) est de lire le manuel d'utilisation. Nous devons le faire pour quelques raisons simples:
Si vous n'avez pas encore acheté IBM Z50 c'est un bon moment pour vous familiariser avec les données de base sur le produit. Consulter d'abord les pages initiales du manuel d'utilisation, que vous trouverez ci-dessus. Vous devriez y trouver les données techniques les plus importants du IBM Z50 - de cette manière, vous pouvez vérifier si l'équipement répond à vos besoins. Explorant les pages suivantes du manuel d'utilisation IBM Z50, vous apprendrez toutes les caractéristiques du produit et des informations sur son fonctionnement. Les informations sur le IBM Z50 va certainement vous aider à prendre une décision concernant l'achat.
Dans une situation où vous avez déjà le IBM Z50, mais vous avez pas encore lu le manuel d'utilisation, vous devez le faire pour les raisons décrites ci-dessus,. Vous saurez alors si vous avez correctement utilisé les fonctions disponibles, et si vous avez commis des erreurs qui peuvent réduire la durée de vie du IBM Z50.
Cependant, l'un des rôles les plus importants pour l'utilisateur joués par les manuels d'utilisateur est d'aider à résoudre les problèmes concernant le IBM Z50. Presque toujours, vous y trouverez Troubleshooting, soit les pannes et les défaillances les plus fréquentes de l'apparei IBM Z50 ainsi que les instructions sur la façon de les résoudre. Même si vous ne parvenez pas à résoudre le problème, le manuel d‘utilisation va vous montrer le chemin d'une nouvelle procédure – le contact avec le centre de service à la clientèle ou le service le plus proche.