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Lenovo Y470 Boot Dark Screen repair Open Xinzhizhao software and find the Y470 point bitmap. First, find that the main power supply pins on the upper screen of the motherboard are 1 and 2 pins +LEDVDD, and the multimeter found…
The Schematic, Circuit Diagram PDF file for Circuit diagram of MS-7A38R8.1(MSI-B450MPRO-VDH) File info Pages: 88 Format: PDF File Size:2.2MB Schematic Preview A1419-820-00609-A (2)_0_split Download Download XinZhiZao maintenance software to view the full MSI Motherboard 7640-14-0622 Schematic Diagram.
Acer Acer BIOS Shutdown Safe Boot Method F2 enters the BIOS, goes to Security, and selects Set Supervisor Password and returns to set a password at will. Return to the BOOT option, Secure BOOT becomes optional, and Enabled is set…
iPhone 13 Pro Maxmobile phone repair without charging “Machine model” iPhone 13 Pro Max [Fault phenomenon] The customer described that he put his mobile phone on the bedside before going to bed at night, and as a result, he got…
iPhone 11mobile phoneAfter Caton restarts, it won’t be turned on. Troubleshooting “Machine model” iPhone 11 [Fault phenomenon] I received an iPhone 11 that didn’t turn on. According to the customer’s description, the phone was frequently restarted when it was used.…
