![HELP] Laptop won't POST after trying to read chip with CH341A - BIOS Modding Guides and Problems - Win-Raid Forum HELP] Laptop won't POST after trying to read chip with CH341A - BIOS Modding Guides and Problems - Win-Raid Forum](https://i.imgur.com/94vzwhB.jpg)
HELP] Laptop won't POST after trying to read chip with CH341A - BIOS Modding Guides and Problems - Win-Raid Forum
![Advisory: HP EliteBook 8xx G4/G5, ProBook 4xx G5, 6xx G4 and ZHAN 66 Pro G1 Notebook PCs - Display is Distorted when Starting/Restarting Computer After Legacy Mode is Selected in the BIOS Advisory: HP EliteBook 8xx G4/G5, ProBook 4xx G5, 6xx G4 and ZHAN 66 Pro G1 Notebook PCs - Display is Distorted when Starting/Restarting Computer After Legacy Mode is Selected in the BIOS](https://support.hp.com/doc-images/720/c05924880.jpg)
Advisory: HP EliteBook 8xx G4/G5, ProBook 4xx G5, 6xx G4 and ZHAN 66 Pro G1 Notebook PCs - Display is Distorted when Starting/Restarting Computer After Legacy Mode is Selected in the BIOS
HP EliteBook 840 G6 and HP ProBook 640 G5 will not boot properly after installing SEE 11 with DMA Protection enabled
![HP EliteBook 840 G5 Bios Repair by Official Update EXE File and DMI FIX Using ⓁⒷⒺ++ ONLY 🛠💡📌😎✓☀🎈 - YouTube HP EliteBook 840 G5 Bios Repair by Official Update EXE File and DMI FIX Using ⓁⒷⒺ++ ONLY 🛠💡📌😎✓☀🎈 - YouTube](https://i.ytimg.com/vi/H-GRYgVOXZo/maxresdefault.jpg)
HP EliteBook 840 G5 Bios Repair by Official Update EXE File and DMI FIX Using ⓁⒷⒺ++ ONLY 🛠💡📌😎✓☀🎈 - YouTube
![We have a few of this HP 840 G5, none of them works, I've tried bios and battery reset, and even a heat gun. On the charger they just give short shift We have a few of this HP 840 G5, none of them works, I've tried bios and battery reset, and even a heat gun. On the charger they just give short shift](https://preview.redd.it/we-have-a-few-of-this-hp-840-g5-none-of-them-works-ive-v0-8btz2urgcnca1.jpg?width=640&crop=smart&auto=webp&s=7cb87374f9163bd50176458176d4e78adedc74ef)