Cov txheej txheem ntawm booting HP Envy tej zaum yuav zoo li yooj yim, tab sis nws yog ib qho tseem ceeb kom paub cov kauj ruam tsim nyog los xyuas kom meej qhov kev pib ua tiav. Hauv kab lus no, koj yuav kawm paub yuav ua li cas khau raj HP Envy yog, ua raws li cov txheej txheem tsim nyog. Txawm hais tias koj tab tom ntsib teeb meem pib lossis tsuas yog xav paub txog cov txheej txheem, koj yuav pom cov lus qhia ntxaws uas koj xav tau ntawm no.
1. Tshawb xyuas kev sib txuas thiab lub zog: Ua ntej booting koj HP Envy, nws yog ib qho tseem ceeb uas koj yuav tsum xyuas tias tag nrho cov kev sib txuas tau raug tso. Xyuas kom tag nrho cov cables ruaj ntseg txuas, suav nrog cov hlua hluav taws xob. Kuj xyuas tias lub qhov hluav taws xob ua haujlwm zoo. Yog tias koj siv a roj teeb, xyuas kom nws them. Tshawb xyuas cov kev sib txuas thiab lub zog no yog thawj kauj ruam rau kev pib ua tiav.
2. Restart koj lub computer: Nyob rau hauv rooj plaub koj HP Envy twb nyob rau tab sis tab tom ntsib teeb meem, koj tuaj yeem sim rov pib koj lub computer . Txhawm rau ua qhov no, xaiv qhov kev xaiv rov pib dua los ntawm cov ntawv qhia pib lossis ib txhij nias lub "Ctrl", "Alt" thiab "Del" yuam sij nkag mus rau Task Manager. Los ntawm qhov ntawd, xaiv qhov "Restart" kev xaiv. Qhov kev txiav txim no tuaj yeem daws qhov tsis sib haum xeeb ib ntus thiab tso cai rau lub kaw lus kom khau raj kom raug.
3. Nkag mus rau hom kev nyab xeeb: Yog tias rebooting tsis daws qhov teeb meem thiab koj yuav tsum daws qhov teeb meem loj ntawm software, ib qho kev xaiv yog khau raj koj HP Envy rau hauv hom kev nyab xeeb. Txhawm rau ua qhov no, rov pib dua koj lub computer thiab rov nias lub khawm "F8" thaum nws thauj khoom. Qhov no yuav qhib qhov kev xaiv qib siab uas koj tuaj yeem xaiv "Safe Mode". Qhov kev teeb tsa no tso cai rau koj los pib lub kaw lus nrog cov tsav tsheb tsawg tsawg thiab cov kev pabcuam, uas tuaj yeem pab koj kuaj mob. thiab daws teeb meem.
4. Siv cov cuab yeej kuaj mob: Yog qhov pib nyob rau hauv hom zoo tsis daws qhov teeb meem, koj tuaj yeem siv cov cuab yeej kuaj mob muaj nyob rau ntawm koj lub HP Envy Feem ntau HP laptops tuaj nrog lub npe hu ua HP PC Hardware Diagnostics, uas tso cai rau koj ua cov kev sim kho vajtse thiab kuaj xyuas qhov ua tsis tiav. Nkag mus rau qhov tshwj xeeb no los ntawm kev rov pib lub computer thiab nias lub "Esc" yuam sij rov ua dua, tom qab ntawd xaiv qhov kev xaiv kuaj mob uas xav tau kom tau txais cov ntaub ntawv ntxaws txog cov xwm txheej hauv lub cev.
Nrog rau cov kauj ruam no, koj yuav muaj peev xwm khau raj koj HP Envy kom raug thiab daws cov teeb meem pib tshwm sim. Nco ntsoov tias nws yog ib txwm pom zoo kom ua raws li cov lus qhia tshwj xeeb muab los ntawm HP hauv cov neeg siv phau ntawv sib raug rau koj tus qauv Envy. Yog tias muaj teeb meem tshwm sim, tej zaum koj yuav tau hu rau HP kev txhawb nqa rau kev pab ntxiv.
- Taw qhia rau HP Envy thiab nws cov txheej txheem khau raj
HP Envy khau raj txheej txheem yog ib txoj haujlwm yooj yim uas tuaj yeem ua tau los ntawm txhua tus neeg siv. Thaum koj qhib lub cuab yeej, BIOS yuav pib, uas yog lub luag haujlwm rau kev kuaj xyuas cov khoom thiab teeb tsa ntawm lub khoos phis tawj. Nws yog ib qho tseem ceeb uas yuav tsum nco ntsoov tias kev hloov kho rau BIOS yuav tsum tau ua nrog ceev faj, vim nws yuav muaj kev cuam tshuam rau kev ua haujlwm ntawm lub cuab yeej.
Thaum kuaj xyuas BIOS tiav, HP Envy yuav txuas ntxiv mus thauj khoom operating system ntsia, zoo li lub qhov rais 10. Thaum lub sijhawm ua haujlwm no, koj tuaj yeem pom lub vijtsam txaws uas qhia lub logo HP, qhia tias lub khoos phis tawj nyob rau hauv cov txheej txheem them nyiaj. Nws yog ib qho tseem ceeb kom cia cov txheej txheem no ua tiav kom raug, tsis muaj kev cuam tshuam, kom tsis txhob muaj kev puas tsuaj rau lub operating system lossis cov ntaub ntawv poob.
Thaum lub operating system tau ua tiav tiav, HP Envy yuav npaj siv. Koj tuaj yeem nkag mus rau tag nrho cov haujlwm thiab cov yam ntxwv ntawm lub cuab yeej, xws li tshawb hauv Is Taws Nem, siv cov ntawv thov, ua si cov ntsiab lus multimedia, thiab ua haujlwm txhua hnub. Yog tias koj ntsib teeb meem thaum lub sijhawm khau raj lossis yog lub khoos phis tawj tsis teb zoo, peb xav kom koj hu rau HP kev txhawb nqa kev pabcuam tus kheej thiab daws txhua yam teeb meem. Txaus siab rau koj HP Envy thiab tag nrho nws cov peev xwm!
- Txuas HP Envy mus rau qhov chaw siv hluav taws xob txhim khu kev qha
Txuas lub HP Envy mus rau qhov chaw muaj zog
Ib qho ntawm cov haujlwm thawj zaug thiab tseem ceeb tshaj plaws thaum pib a HP lub computer Kev khib yog txuas mus rau qhov kev ntseeg siab lub zog los xyuas kom muaj kev ua haujlwm raug thaum siv. Txhawm rau ua qhov no, ua raws li cov kauj ruam yooj yim no:
1 Kauj Ruam: Xyuas kom tseeb tias lub hwj chim cable raug txuas nrog rau ob lub laptop thiab lub qhov hluav taws xob hluav taws xob uas nyob hauv qhov zoo thiab ua haujlwm zoo. Nco ntsoov tias lub ntsaws ruaj ruaj txuas nrog lub laptop lub hwj chim adapter thiab lub qhov hluav taws xob.
2 Kauj Ruam: Tshawb xyuas lub hwj chim adapter thiab xyuas kom tseeb tias nws tsis puas los yog hnav. Yog tias koj pom muaj teeb meem, nws raug nquahu kom hloov nws nrog ib qho tshiab thiab qub los ntawm HP kom tsis txhob muaj teeb meem tshwm sim thaum lub sijhawm pib ua haujlwm. Yog hais tias lub hwj chim adapter yog plug-in, xyuas kom meej tias nws txuas mus rau qhov chaw sib txuas ntawm koj lub computer.
3 Kauj Ruam: Thaum koj tau ua raws li cov kauj ruam dhau los, qhib lub computer los ntawm nias lub hwj huam khawm nyob rau ntawm HP Envy chassis. Yog tias txhua yam txuas nrog raug, lub khoos phis tawj yuav tsum khau raj yam tsis muaj teeb meem thiab tso saib qhov screen pib. Nyob rau hauv rooj plaub uas nws tsis tig los yog ib qho kev ceeb toom tshwm, xyuas lub hwj chim txuas dua thiab xyuas kom meej tias nws txuas nrog qhov chaw ntseeg tau.
- Tig rau ntawm HP Envy thiab kho qhov chaw pib
Thaum koj qhib koj lub laptop tshiab HP Envy, nws yog lub sijhawm los pib lub hwj chim thiab teeb tsa. Ntawm no peb yuav muab cov kauj ruam tsim nyog rau koj los qhib koj lub HP Envy thawj thiab kho nws qhov chaw pib kom koj tuaj yeem pib txaus siab rau koj lub tshuab tshiab yam tsis muaj teeb meem.
Kauj ruam 1: Txuas lub hwj chim adapter
Ua ntej qhib koj lub HP Envy, xyuas kom tseeb tias nws txuas nrog lub zog siv hluav taws xob. Txhawm rau ua qhov no, nqa lub hwj chim adapter thiab txuas mus rau qhov chaw them nyiaj ntawm koj lub laptop. Xyuas kom tseeb tias lub ntsaws ntsaws ruaj ruaj rau qhov hluav taws xob qhov hluav taws xob thiab, thaum ruaj ntseg, koj yuav pom lub teeb qhia ntawm lub adapter tig rau.
Kauj ruam 2: Nias lub hwj huam khawm
Tam sim no koj muaj koj lub laptop ntsaws rau hauv lub hwj chim, nrhiav lub hwj chim khawm, feem ntau nws yog nyob rau sab saum toj ntawm cov keyboard, nyob ze ntawm cov nyees khawm ua haujlwm. Nias lub hwj chim khawm kom txog thaum lub vijtsam tuaj txog lub neej thiab teeb. Tsis pub dhau ob peb vib nas this, HP logo yuav tshwm sim ntawm screen, qhia tias lub kaw lus tab tom pib.
Kauj ruam 3: Kho qhov pib nqis
Thaum koj tau qhib koj lub HP Envy, lub khoos phis tawj yuav coj koj los ntawm kev teeb tsa thawj zaug. Ua raws li cov lus qhia ntawm lub vijtsam thiab muab cov ntaub ntawv xav tau, xws li hom lus nyiam, qhov chaw, thiab txuas rau Wi-nkaus network. Koj tuaj yeem tsim tau ib tug Microsoft account los yog nkag rau hauv nrog tus account uas twb muaj lawm. Nco ntsoov ua raws txhua kauj ruam thiab muab cov ntaub ntawv thov kom teeb tsa koj lub laptop raws li koj tus kheej nyiam.
Tam sim no koj npaj tau pib txaus siab rau koj lub zog tshiab HP Envy. Nco ntsoov tias qhov kev pib lub zog thiab kev teeb tsa no yog qhov tseem ceeb los xyuas kom meej tias koj lub khoos phis tawj tshiab ua haujlwm raug txij thaum pib. Ua raws li cov kauj ruam no thiab koj yuav nyob ntawm koj txoj hauv kev kom tau txais txiaj ntsig zoo ntawm tag nrho cov yam ntxwv zoo kawg thiab muaj peev xwm ntawm koj lub HP Envy. Txaus siab rau koj qhov kev yuav khoom tshiab!
- Txheeb xyuas qhov ncaj ncees ntawm kev ua haujlwm ntawm HP Envy
Tshawb xyuas kev ncaj ncees operating system ntawm HP Envy
Yog tias koj tab tom ntsib teeb meem booting koj HP Envy, nws yog ib qho tseem ceeb kom paub meej tias Lub operating system yog kiag li lawm. Yuav kom ua tiav qhov no, muaj ob peb kauj ruam koj tuaj yeem ua raws li kev soj ntsuam thiab daws cov teeb meem tshwm sim.
Ua ntej ntawm tag nrho cov, nws yog advisable mus ua ib tug ua tiav kev soj ntsuam ntawm lub hard drive txhawm rau txheeb xyuas qhov yuam kev ntawm tus tsav. Koj tuaj yeem siv lub cuab yeej Kev kuaj xyuas qhov yuam kev Windows los yog tso siab rau lwm tus neeg software los ua txoj haujlwm no. Thaum lub sijhawm ua haujlwm, cov haujlwm tsis zoo thiab cov ntaub ntawv tsis raug yuav raug tshawb nrhiav thiab kho, uas tuaj yeem txhim kho cov teeb meem ntsig txog khau raj.
Lwm cov kauj ruam tseem ceeb los txheeb xyuas qhov tseeb ntawm lub operating system yog hloov kho cov tsav tsheb thiab firmware ntawm HP Envy. Mus rau HP lub vev xaib official lossis siv Windows Update Tool kom tau txais cov tsav tsheb tshiab thiab firmware muaj rau koj tus qauv HP Envy tshwj xeeb. Qhov kev hloov tshiab no tau lees paub qhov kev kho ntawm qhov tsis sib haum xeeb lossis qhov ua yuam kev uas tuaj yeem cuam tshuam rau khau raj ntawm lub operating system.
- Kev daws teeb meem khau raj ntawm HP Envy
HP Envy Boot Teeb meem thiab yuav kho lawv li cas:
1. Dub screen ntawm khau raj: Yog tias koj lub HP Envy pom lub vijtsam dub thaum koj qhib nws, tej zaum yuav muaj teeb meem nrog cov khoom siv lossis cov tsav tsheb. Ua ntej, sim rov pib lub kaw lus los ntawm kev tuav lub zog khawm rau ob peb feeb kom txog thaum nws tig tawm. Tom qab ntawd, tig rov qab rau thiab xyuas seb qhov teeb meem tseem nyob li cas. Yog tias koj tseem pom lub vijtsam dub, sim txuas lub laptop mus rau ib qho kev saib sab nraud kom txiav txim siab qhov teeb meem nrog cov zaub sab hauv. Yog tias koj tus saib sab nraud pom cov duab, koj yuav tau hloov kho lossis rov nruab cov duab tsav tsheb.
2. » khau raj ntaus ntawv tsis found » yuam kev: Yog tias koj tau txais cov lus yuam kev no thaum booting koj HP Envy, nws qhia tau hais tias lub khau raj siv tsis tau. xyuas tias tsis muaj USB li lossis CD/DVD tso rau hauv lub laptop thiab tias nws tsis tau teeb tsa rau khau raj ntawm lawv. Nkag mus rau qhov system BIOS txhawm rau txheeb xyuas qhov kev txiav txim khau raj. Pib dua lub laptop thiab nias tus yuam sij (xws li F10 lossis Esc) kom nkag mus rau BIOS. Xyuas kom meej tias cov hard disk internal khau raj ntaus ntawv yog xaiv raws li thawj khau raj ntaus ntawv. Txuag koj cov kev hloov pauv thiab rov pib dua kom pom tias qhov yuam kev raug kho.
3. "Operating system tsis pom" yuam kev: Yog tias koj pom cov lus no thaum koj qhib koj lub HP Envy, nws yuav qhia tau tias lub operating system ploj lawm lossis puas. Xyuas kom tseeb tias lub hard drive yog raug txuas thiab lees paub los ntawm BIOS. Yog hais tias lub hard drive zoo li nyob rau hauv zoo, tej zaum koj yuav tau reinstall lub operating system. Sim booting los ntawm lub operating system installation ntaus ntawv, xws li ib tug USB los yog bootable CD/DVD. Ua raws li cov lus qhia kom rov nruab qhov kev khiav hauj lwm thiab nco ntsoov ua a thaub qab ntawm koj cov ntaub ntawv ua ntej ua qhov reinstallation.
- Hloov kho HP Envy firmware thiab tsav tsheb
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Txhawm rau kom koj HP Envy khiav ua tau zoo, nws yog ib qho tseem ceeb kom paub tseeb tias nws yog ib txwm mus txog hnub nrog cov tshiab versions ntawm firmware thiab tsav tsheb. Cov kev hloov tshiab no kho teeb meem kev ruaj ntseg, txhim kho kev ua tau zoo, thiab ntxiv kev ua haujlwm tshiab rau koj lub cuab yeej. Tom ntej no, peb yuav piav qhia txog yuav ua li cas ua qhov hloov tshiab no.
1 Kauj Ruam: Xyuas qhov tam sim no version ntawm koj firmware thiab tsav tsheb. Txhawm rau ua qhov no, mus rau nplooj ntawv txhawb nqa HP thiab xaiv koj tus qauv HP Envy. Saib rau ntu "Downloads» lossis "Drivers" thiab xyuas seb puas muaj qhov hloov tshiab rau koj lub cuab yeej.
Kauj ruam 2: Download tau thiab nruab qhov hloov tshiab. Nyem qhov tsim nyog rub tawm txuas thiab txuag cov ntaub ntawv mus rau qhov chaw nkag tau yooj yim ntawm koj lub computer. Thaum rub tawm, muab ob npaug rau-nias cov ntaub ntawv rub tawm thiab ua raws li cov lus qhia ntawm lub vijtsam kom tiav lub installation. Nyob ntawm seb muaj pes tsawg qhov hloov tshiab, cov txheej txheem no yuav siv sij hawm li ob peb feeb.
3 Kauj Ruam: Rov pib koj lub HP Envy. Tom qab txhim kho tag nrho cov kev hloov tshiab, nws yog ib qho tseem ceeb kom rov pib dua koj lub cuab yeej rau cov kev hloov pauv kom muaj txiaj ntsig. Txuag tag nrho koj cov ntaub ntawv thiab kaw txhua daim ntawv thov qhib. Tom qab ntawd, xaiv qhov kev xaiv pib dua los ntawm cov ntawv qhia zaub mov hauv tsev ntawm koj HP Envy. Thaum rov pib dua, koj lub cuab yeej yuav hloov kho tshiab thiab npaj los muab kev pom zoo rau koj.
- Txhim kho HP Envy khau raj kev ua haujlwm nrog kev teeb tsa siab heev
Optimizing HP Envy khau raj kev ua tau zoo nrog cov tweaks siab heev
Tshem tawm cov program tsis tsim nyog thaum pib
Ib txoj hauv kev zoo tshaj plaws rau Optimize khau raj kev ua haujlwm ntawm koj lub computer HP Envy yog los lov tes taw cov kev pab cuam uas tsis tsim nyog uas khiav tau thaum koj qhib nws. Cov kev pabcuam no tuaj yeem siv ntau cov kev pabcuam hauv lub cev thiab ua rau pib qeeb. Txhawm rau kaw lawv, tsuas yog qhib Task Manager los ntawm nias Ctrl + Ua haujlwm + Esc thiab nyem lub "Tsev" tab. Nyob ntawd, koj tuaj yeem xaiv cov kev pab cuam uas koj tsis tas yuav pib txiav thiab lov tes taw lawv.
Hloov kho BIOS System Settings
Lwm txoj kev nce startup ceev del HP Envy yog ua qee qhov kev hloov kho rau lub system BIOS nqis. Txhawm rau nkag mus rau BIOS, pib dua koj lub computer thiab nias tus yuam sij F10 rov qab mus txog thaum koj pom BIOS screen. Hauv BIOS, koj tuaj yeem nrhiav "Boot" kev xaiv thiab teeb tsa lub khoos phis tawj pib ua lub hard drive sab hauv. Koj tuaj yeem qhib qhov kev xaiv khau raj nrawm yog tias muaj. Nco ntsoov tias kev hloov pauv tsis raug rau BIOS nqis tuaj yeem ua rau teeb meem loj, yog li nws raug nquahu kom ceev faj thiab sab laj tus neeg siv phau ntawv lossis HP lub vev xaib kom paub ntau ntxiv.
Hloov kho cov tsav tsheb thiab firmware
Hloov tshiab tsav tsheb thiab cov firmware ntawm koj HP Envy yog qhov tseem ceeb rau kev ua haujlwm zoo, suav nrog kev khau raj. Cov tsav tsheb yog software uas tso cai rau koj lub khoos phis tawj kho vajtse sib txuas lus nrog lub operating system, thaum firmware yog ib hom software uas khaws cia rau hauv hardware thiab tswj nws txoj haujlwm. Mus saib HP lub vev xaib official thiab saib rau ntu "Kev Pab Txhawb thiab Tsav Tsheb" txhawm rau xyuas seb qhov hloov tshiab puas muaj rau koj tus qauv Envy tshwj xeeb. Download tau thiab nruab qhov kev pom zoo hloov tshiab thiab pib dua koj lub computer los siv cov kev hloov pauv. Qhov no tuaj yeem pab daws cov teeb meem muaj peev xwm khau raj thiab txhim kho tag nrho cov kev ua haujlwm zoo.
- Ua ib qho hard reset ntawm HP Envy los daws cov teeb meem tsis tu ncua
Ua ib qho nyuaj reset ntawm koj HP Envy los daws cov teeb meem tsis tu ncua
1. Tag Nrho Qhov System Reset
Yog tias koj tab tom ntsib teeb meem tsis tu ncua nrog koj HP Envy, ua a tag nrho cov txheej txheem rov pib dua tuaj yeem yog sai thiab daws tau zoo. Txhawm rau ua qhov no, ua raws cov kauj ruam hauv qab no:
- Ua ntej, txuag tag nrho koj cov ntaub ntawv thiab kaw txhua daim ntawv thov qhib.
– Tom qab ntawd nias thiab tuav lub pob lub zog tsawg kawg 10 vib nas this kom txog thaum lub cuab yeej kaw tag nrho.
- Tshem tawm lub hwj chim adapter thiab, yog tias ua tau, tshem lub roj teeb.
- Tos ob peb feeb thiab rov txuas lub hwj chim adapter.
- Thaum kawg, nias lub hwj huam khawm dua kom rov pib lub kaw lus.
Qhov kev rov ua haujlwm nyuaj no tuaj yeem pab kho cov teeb meem kev ua haujlwm, software yuam kev, lossis teeb meem kev sib txuas. Nco ntsoov tias qhov kev txiav txim no tuaj yeem kaw cov ntawv thov thiab poob cov ntaub ntawv tsis tau khaws tseg, yog li xyuas kom koj tau khaws txhua yam tseem ceeb ua ntej ua.
2. Hoobkas pib dua
Yog tias muaj teeb meem tshwm sim txawm tias tom qab ua tiav tag nrho cov txheej txheem pib dua, koj tuaj yeem txiav txim siab rov pib dua koj HP Envy rau nws lub Hoobkas. Cov txheej txheem no yuav tshem tawm tag nrho cov ntaub ntawv tus kheej thiab teeb tsa, yog li nws raug nquahu kom thaub qab cov ntaub ntawv tseem ceeb ua ntej txuas ntxiv. Txhawm rau rov pib dua koj lub cuab yeej rau lub Hoobkas, ua raws cov kauj ruam no:
- Qhib start menu thiab xaiv "Settings".
- Tom ntej no, nyem "Hloov tshiab & Kev Ruaj Ntseg" thiab tom qab ntawd "Rov qab".
- Hauv seem "Reset this PC", nyem "Tau Pib" thiab xaiv "Tshem tawm txhua yam" kev xaiv.
- Ua raws li cov lus qhia uas tau nthuav tawm rau koj ntawm qhov screen kom ua tiav cov txheej txheem rov pib dua.
Qhov txheej txheem no tuaj yeem daws cov teeb meem loj dua, xws li kev ua yuam kev tseem ceeb, kev ua haujlwm tsis ruaj khov, lossis teeb meem kab mob tsis tu ncua. Nco ntsoov tias ib zaug factory reset yog ua, koj yuav tsis muaj peev xwm rov qab deleted cov ntaub ntawv los yog tej chaw, yog li nws yog ib qho tseem ceeb ua ib tug ua ntej backup.
3. Hloov cov tsav tsheb thiab software
Lwm txoj hauv kev los txhim kho cov teeb meem tsis tu ncua ntawm koj lub HP Envy yog kom paub tseeb tias koj cov tsav tsheb thiab software hloov tshiab. Cov tsav tsheb dhau los lossis tsis sib xws tuaj yeem ua rau muaj kev sib tsoo, kev ua haujlwm qis, lossis teeb meem kev sib txuas. Ua raws li cov kauj ruam no los hloov kho lawv:
- Qhib tus thawj tswj ntaus ntawv thiab nrhiav cov khoom siv nrog lub cim daj daj.
- Txoj nyem rau ntawm qhov teeb meem ntaus ntawv thiab xaiv "Hloov tshiab tsav tsheb".
- Xaiv qhov "Tsis siv neeg tshawb nrhiav software tshiab" thiab ua raws li cov lus qhia ntawm lub vijtsam.
Ntxiv nrog rau kev hloov kho cov tsav tsheb, nws kuj raug pom zoo kom ua kom lub operating system thiab thib peb software mus txog hnub tim. Qhov no ua kom paub tseeb tias kab laum thiab qhov tsis zoo raug kho, txhim kho kev ua haujlwm thiab kev ruaj ntseg. Nco ntsoov rov pib koj lub computer tom qab txhua qhov hloov tshiab kom cov kev hloov pauv muaj txiaj ntsig.
Kuv yog Sebastián Vidal, tus kws kho tshuab computer mob siab rau kev siv tshuab thiab DIY. Tsis tas li ntawd, kuv yog tus tsim tecnobits.com, qhov twg kuv qhia cov lus qhia ua kom siv thev naus laus zis ntau dua thiab nkag siab rau txhua tus.