{"id":13193,"date":"2022-07-13T21:25:00","date_gmt":"2022-07-13T13:25:00","guid":{"rendered":"https:\/\/rewa.tech\/honor-v30-pro-cannot-boot-after-drop-damage\/"},"modified":"2024-09-23T17:02:48","modified_gmt":"2024-09-23T09:02:48","slug":"honor-v30-pro-not-booting","status":"publish","type":"post","link":"https:\/\/rewa.tech\/fr\/honor-v30-pro-not-booting\/","title":{"rendered":"Comment r\u00e9parer le Honor V30 Pro qui ne d\u00e9marre pas apr\u00e8s une chute : Guide de r\u00e9paration de la carte m\u00e8re"},"content":{"rendered":"<p>Dropping your <strong>Honor V30 Pro<\/strong> can lead to serious hardware damage, particularly to the motherboard, even when the screen remains intact. If your <strong>Honor V30 Pro not booting after a drop<\/strong>, this guide will walk you through the repair process, step-by-step. We&#8217;ll focus on identifying motherboard issues, replacing damaged components, and getting your phone back in working condition. Whether you&#8217;re a repair professional or a DIY enthusiast, this guide will help you solve this frustrating issue.<\/p>\n\n\n\n<div class=\"wp-block-media-text is-stacked-on-mobile is-image-fill has-blush-light-purple-gradient-background has-background\"><figure class=\"wp-block-media-text__media\" style=\"background-image:url(https:\/\/rewa.tech\/wp-content\/uploads\/2024\/04\/HONOR_V30_Pro-1024x896.png);background-position:50% 0%\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1024\" height=\"896\" src=\"https:\/\/rewa.tech\/wp-content\/uploads\/2024\/04\/HONOR_V30_Pro-1024x896.png\" alt=\"Honow V30 Pro\" class=\"wp-image-15242 size-full\" title=\"\" srcset=\"https:\/\/rewa.tech\/wp-content\/uploads\/2024\/04\/HONOR_V30_Pro-1024x896.png 1024w, https:\/\/rewa.tech\/wp-content\/uploads\/2024\/04\/HONOR_V30_Pro-300x263.png 300w, https:\/\/rewa.tech\/wp-content\/uploads\/2024\/04\/HONOR_V30_Pro-768x672.png 768w, https:\/\/rewa.tech\/wp-content\/uploads\/2024\/04\/HONOR_V30_Pro.png 1400w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure><div class=\"wp-block-media-text__content\">\n<h3 class=\"wp-block-heading\">D\u00e9tails de l'appareil<\/h3>\n\n\n\n<p><strong>Mod\u00e8le :<\/strong> Honor V30 Pro<\/p>\n\n\n\n<p><strong>Annonc\u00e9 :<\/strong>\u00a02019, November<\/p>\n<\/div><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">Ph\u00e9nom\u00e8ne de d\u00e9faut<\/h2>\n\n\n\n<p>After being dropped, the <strong>Honor V30 Pro<\/strong> cannot be booted. A diagnostic at the official service center reveals that the screen is intact, but the motherboard is damaged.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">D\u00e9pannage<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">1 : Inspection initiale<\/h3>\n\n\n\n<div class=\"wp-block-columns are-vertically-aligned-center is-layout-flex wp-container-core-columns-is-layout-28f84493 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/rewa.tech\/wp-content\/uploads\/2024\/04\/01__Check_the_cosmetic_and_find_the_housing_cover_with_an_obvious_gap.png\" alt=\"\" style=\"aspect-ratio:1;object-fit:cover\" title=\"\"><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\">\n<p>Begin by carefully inspecting the motherboard. You notice that the housing cover has a visible gap, suggesting that the phone was disassembled before. Aside from that, there are no visible cracks, deformation, or other traces of drop damage.<\/p>\n<\/div>\n<\/div>\n\n\n\n<h3 class=\"wp-block-heading\">2: Test for Charging<\/h3>\n\n\n\n<div class=\"wp-block-columns are-vertically-aligned-center is-layout-flex wp-container-core-columns-is-layout-28f84493 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/rewa.tech\/wp-content\/uploads\/2024\/04\/02__no_charging_current.png\" alt=\"\" title=\"\"><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\">\n<p>Connect the phone to a charging cable. There is no charging current at all, indicating an internal hardware issue.<\/p>\n<\/div>\n<\/div>\n\n\n\n<h3 class=\"wp-block-heading\">3: Disassemble the Phone<\/h3>\n\n\n\n<div class=\"wp-block-columns are-vertically-aligned-center is-layout-flex wp-container-core-columns-is-layout-28f84493 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-gallery has-nested-images columns-default is-cropped wp-block-gallery-1 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/rewa.tech\/wp-content\/uploads\/2024\/04\/03__Protect_cameras_with_stickers.png\" alt=\"\" title=\"\"><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/rewa.tech\/wp-content\/uploads\/2024\/04\/04__Then_remove_the_motherboard_carefully.png\" alt=\"\" title=\"\"><\/figure>\n<\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\">\n<p>Since the phone has been previously disassembled, we can open it again without needing to apply heat.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Protect the Cameras<\/strong>: Place stickers over the cameras to prevent damage.<\/li>\n\n\n\n<li><strong>Remove Screws<\/strong>: Carefully unscrew and remove the motherboard.<\/li>\n<\/ul>\n<\/div>\n<\/div>\n\n\n\n<h3 class=\"wp-block-heading\">4: Motherboard Check<\/h3>\n\n\n\n<div class=\"wp-block-columns are-vertically-aligned-center is-layout-flex wp-container-core-columns-is-layout-28f84493 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/rewa.tech\/wp-content\/uploads\/2024\/04\/05__The_motherboard_is_also_double-layered_structure.png\" alt=\"\" style=\"aspect-ratio:1;object-fit:cover\" title=\"\"><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\">\n<p>Upon inspection, the motherboard appears physically intact with no signs of deformation, water damage, or previous repair attempts. However, the <strong>Honor V30 Pro<\/strong> uses a double-layered motherboard, making it more prone to internal issues from drop damage.<\/p>\n<\/div>\n<\/div>\n\n\n\n<h3 class=\"wp-block-heading\">5: Connect to DC Power Supply<\/h3>\n\n\n\n<div class=\"wp-block-columns are-vertically-aligned-center is-layout-flex wp-container-core-columns-is-layout-28f84493 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-gallery has-nested-images columns-2 is-cropped wp-block-gallery-2 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/rewa.tech\/wp-content\/uploads\/2024\/04\/06__Solder_a_wire_on_the_motherboard_first.png\" alt=\"\" style=\"aspect-ratio:1;object-fit:cover\" title=\"\"><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/rewa.tech\/wp-content\/uploads\/2024\/04\/07__Connect_with_the_DC_power_supply.png\" alt=\"\" title=\"\"><\/figure>\n<\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\">\n<p>Solder a wire onto the motherboard to easily connect it to a <a href=\"https:\/\/shop.rewa.tech\/detail\/sugong-3005d-dc-power-supply.html\">Alimentation en courant continu<\/a>. Use tweezers to trigger the boot process. The boot current is only a few milliamperes, indicating that the CPU is not functioning properly.<\/p>\n<\/div>\n<\/div>\n\n\n\n<h3 class=\"wp-block-heading\">6: CPU and Power Supply Check<\/h3>\n\n\n\n<div class=\"wp-block-columns are-vertically-aligned-center is-layout-flex wp-container-core-columns-is-layout-28f84493 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/rewa.tech\/wp-content\/uploads\/2024\/04\/08__The_boot_current_is_only_a_few_mA_only.png\" alt=\"\" style=\"aspect-ratio:1;object-fit:cover\" title=\"\"><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\">\n<p>Since the CPU is not responding, the next step is to inspect the CPU and related components for any issues.<\/p>\n<\/div>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\">Processus de r\u00e9paration<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">1: Remove the CPU Shielding<\/h3>\n\n\n\n<p>Remove the shielding cover and clean off the thermal paste from the CPU. Visually inspect the CPU, but in this case, the cosmetic appearance seems fine.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">2: Separate the Motherboard Layers<\/h3>\n\n\n\n<div class=\"wp-block-columns are-vertically-aligned-center is-layout-flex wp-container-core-columns-is-layout-28f84493 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-gallery has-nested-images columns-default is-cropped wp-block-gallery-3 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/rewa.tech\/wp-content\/uploads\/2024\/04\/09__Then_lets_heat_and_separate_the_motherboard.png\" alt=\"\" style=\"aspect-ratio:1;object-fit:cover\" title=\"\"><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/rewa.tech\/wp-content\/uploads\/2024\/04\/10__CPU_power_supply_parts.png\" alt=\"\" title=\"\"><\/figure>\n<\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\">\n<p>Use heat to separate the double-layered motherboard and expose the components related to the CPU\u2019s power supply.<\/p>\n<\/div>\n<\/div>\n\n\n\n<h3 class=\"wp-block-heading\">3: Inspect Components Around the PMIC<\/h3>\n\n\n\n<div class=\"wp-block-columns are-vertically-aligned-center is-layout-flex wp-container-core-columns-is-layout-28f84493 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/rewa.tech\/wp-content\/uploads\/2024\/04\/11__Capacitor_missing.png\" alt=\"\" style=\"aspect-ratio:1;object-fit:cover\" title=\"\"><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\">\n<p>Utilisation <a href=\"https:\/\/shop.rewa.tech\/detail\/maant-shadow-blade-tweezers.html\">pincettes<\/a> to gently push the components around the Power Management IC (PMIC). You\u2019ll find that one of the inductors is loose and can easily be dislodged.<\/p>\n<\/div>\n<\/div>\n\n\n\n<h3 class=\"wp-block-heading\">4: Replace the Damaged Inductor<\/h3>\n\n\n\n<div class=\"wp-block-columns are-vertically-aligned-center is-layout-flex wp-container-core-columns-is-layout-28f84493 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-gallery has-nested-images columns-default is-cropped wp-block-gallery-4 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/rewa.tech\/wp-content\/uploads\/2024\/04\/12_Apply_tin_paste_on_the_PCB_pads_and_solder_a_new_inductor.png\" alt=\"\" title=\"\"><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/rewa.tech\/wp-content\/uploads\/2024\/04\/13__Solder_back_the_new_inductor.png\" alt=\"\" title=\"\"><\/figure>\n<\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\">\n<p>Apply tin paste to the PCB pads and solder a replacement inductor in place of the damaged one. Even though the new inductor looks different, it has the same specifications as the original and will function properly.<\/p>\n<\/div>\n<\/div>\n\n\n\n<h3 class=\"wp-block-heading\">5: Test the Motherboard<\/h3>\n\n\n\n<div class=\"wp-block-columns are-vertically-aligned-center is-layout-flex wp-container-core-columns-is-layout-28f84493 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-gallery has-nested-images columns-default is-cropped wp-block-gallery-5 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/rewa.tech\/wp-content\/uploads\/2024\/04\/14__Lets_boot_again_with_the_DC_power_supply_machine.png\" alt=\"\" style=\"aspect-ratio:1;object-fit:cover\" title=\"\"><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/rewa.tech\/wp-content\/uploads\/2024\/04\/15__Normal_boot_current.png\" alt=\"\" title=\"\"><\/figure>\n<\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\">\n<p>Connect the motherboard to the <a href=\"https:\/\/shop.rewa.tech\/detail\/sugon-3005pm-dc-power-supply.html\">Alimentation en courant continu<\/a> again and check the boot current. This time, the current appears normal, meaning the CPU is functioning as expected.<\/p>\n<\/div>\n<\/div>\n\n\n\n<h3 class=\"wp-block-heading\">6: Resolder the Layers<\/h3>\n\n\n\n<div class=\"wp-block-columns are-vertically-aligned-center is-layout-flex wp-container-core-columns-is-layout-28f84493 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-gallery has-nested-images columns-2 is-cropped wp-block-gallery-6 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/rewa.tech\/wp-content\/uploads\/2024\/04\/16__Then_lets_resolder_the_pads_on_the_middle_layer_with_solder_wick_and_soldering_station.png\" alt=\"\" title=\"\"><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/rewa.tech\/wp-content\/uploads\/2024\/04\/17__Reball_the_pads_on_the_upper_layer_motherboard.png\" alt=\"\" title=\"\"><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/rewa.tech\/wp-content\/uploads\/2024\/04\/18__Resolder_the_two_layers_of_the_motherboard.png\" alt=\"\" title=\"\"><\/figure>\n<\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\">\n<ul class=\"wp-block-list\">\n<li><strong>Solder the Middle Layer<\/strong>: Use a solder wick and soldering station to reapply the solder to the middle layer.<\/li>\n\n\n\n<li><strong>Reball the Upper Layer<\/strong>: Reball the pads on the upper motherboard layer to ensure proper connections.<\/li>\n\n\n\n<li><strong>Recombine the Layers<\/strong>: Use a hot air gun to reassemble the two layers of the motherboard.<\/li>\n<\/ul>\n<\/div>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\">Assembler et tester<\/h2>\n\n\n\n<div class=\"wp-block-columns are-vertically-aligned-center is-layout-flex wp-container-core-columns-is-layout-28f84493 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/rewa.tech\/wp-content\/uploads\/2024\/04\/HONOR_V30_Pro_Cannot_Boot_After_Drop_Damage.png\" alt=\"HONOR V30 Pro Cannot Boot After Drop Damage\" title=\"\"><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\">\n<p>Reassemble the phone, ensuring all components are securely connected. Boot the phone and test its functionality. This time, the <strong>Honor V30 Pro<\/strong> boots normally, and the charging function is working properly. The issue was successfully resolved by replacing the damaged inductor.<\/p>\n<\/div>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\">Conclusion :<\/h2>\n\n\n\n<p>By carefully inspecting the motherboard and replacing the damaged inductor, you\u2019ve successfully fixed the <strong>Honor V30 Pro not booting after drop<\/strong> issue. This guide demonstrates the importance of detailed inspection, especially with double-layered motherboards that can easily sustain damage from impact. Remember to always check the CPU and PMIC components after any significant drop. The phone is now fully operational, including its charging functionality.<\/p>","protected":false},"excerpt":{"rendered":"<p>Dropping your Honor V30 Pro can lead to serious hardware damage, particularly to the motherboard, even when the screen remains intact. If your Honor V30 Pro not booting after a drop, this guide will walk you through the repair process, step-by-step. We&#8217;ll focus on identifying motherboard issues, replacing damaged components, and getting your phone back [&hellip;]<\/p>\n","protected":false},"author":10,"featured_media":13194,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"fifu_image_url":"","fifu_image_alt":"","footnotes":""},"categories":[10,5,13,166,447],"tags":[],"class_list":["post-13193","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-android","category-guide","category-how-to","category-huawei","category-troubleshooting"],"_links":{"self":[{"href":"https:\/\/rewa.tech\/fr\/wp-json\/wp\/v2\/posts\/13193","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/rewa.tech\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/rewa.tech\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/rewa.tech\/fr\/wp-json\/wp\/v2\/users\/10"}],"replies":[{"embeddable":true,"href":"https:\/\/rewa.tech\/fr\/wp-json\/wp\/v2\/comments?post=13193"}],"version-history":[{"count":0,"href":"https:\/\/rewa.tech\/fr\/wp-json\/wp\/v2\/posts\/13193\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/rewa.tech\/fr\/wp-json\/wp\/v2\/media\/13194"}],"wp:attachment":[{"href":"https:\/\/rewa.tech\/fr\/wp-json\/wp\/v2\/media?parent=13193"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/rewa.tech\/fr\/wp-json\/wp\/v2\/categories?post=13193"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/rewa.tech\/fr\/wp-json\/wp\/v2\/tags?post=13193"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}