206. VGA interface workflow and fault maintenance

205. Analog display interface introduction

204. Digital display interface fault maintenance

203. Digital display interface workflow

202. Digital display interface introduction

201. USB interface fault maintenance

200. USB interface introduction

199. Unrecognized SATA hard disk maintenance

198. Overhaul of unrecognized M.2 hard disk

197. M.2 interface working conditions

196. M.2 hard disk and M.2 interface introduction

195. Maintenance of network card failure

194. Overhaul of unrecognized network cards

193. Network card working conditions

192. Network card introduction

191. Maintenance of sound card without sound

190. Overhaul of unrecognized sound cards

189. Sound card in real objects

188. Sound card introduction

187. DDR4 memory working conditions

186. DDR3 memory failure maintenance

185. Coding failure introduction

184. Requirements after mainboards are triggeredv

183. SVID bus introduction

182. Identify BIOS pin and capacity