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Showing posts from December, 2025

UMC Security Advisory: MFGSTAT

 UMC received a new advisory from Lenovo Product Security page about  Improper File Permission on Lenovo PC Preloaded Windows OS which during manufacturing process, some Lenovo PCs with preloaded Windows operating systems included a file, MFGSTAT.zip , in the C:\Windows directory that is writable by standard user accounts. The presence of this file only impacts customers who use third-party security software that is explicitly configured not to monitor the C:\Windows directory. Concerned customers should review their security tool configurations to determine if they are impacted. United Metrolite Central will suspend temporarily for all current laptop fleets because were required to check the MFGSTAT.zip until files are removed and lift the suspension once removed the MFGSTAT.zip. References: https://support.lenovo.com/us/en/product_security/HT517812 Note : This Lenovo article link is originally published on June 10, 2025 which last updated on July 18, 2025, which 7 months ol...

Happy Holidays in the Christmas

 United Metrolite Central wishes everyone a joyful and peaceful holiday season. Since 2021, UMC has been developing and researching using reliable sources from across the web to ensure quality, accuracy, and trust. This Christmas, UMC is proud to present Hector — engineered by the Zyrus Division, built for performance and durability. Thank you for your continued support, and we wish you a wonderful Christmas and a bright New Year ahead!

Lenovo: How the Communication Became Nightmare

Note: AI written involved from ChatGPT      Lenovo users, especially owners of AMD-based Legion and IdeaPad Gaming laptops, have voiced serious frustration with firmware and TPM-related warnings . The source of much of this frustration is poor communication quality — official instructions often fail to convey critical information clearly, safely, or reliably. High-stakes updates, low-quality messaging Critical BIOS updates, like those that reset the TPM firmware, interact directly with BitLocker and disk encryption . Yet Lenovo’s guidance often comes in fragmented, poorly structured text: “WARNING !! Update this BIOS will reset the firmware TPM. Please turn off BitLocker or encryption before you update this BIOS. Or prepare Recovery key in advance if your system enabled BitLocker or an encryption.” This type of messaging fails to clearly explain the risk or the steps required, leaving users to guess at how to safely proceed. Ambiguity in technical terms Key phra...

United Metrolite Central – Public Bulletin: IdeaPad Gaming 3 15ACH6 TPM

Firmware Investigation Affecting Lenovo Gaming Systems (Including IdeaPad Gaming 3 15ACH6) Date: 2025 Issued by: United Metrolite Central (UMC) Summary United Metrolite Central is publishing this bulletin to inform users, repair partners, and enterprise clients about an ongoing Lenovo firmware (BIOS/TPM attestation) investigation that includes the IdeaPad Gaming 3 15ACH6 among the affected models. Juraj_Lenovo published this on date Nov 17, 2025: Hi everyone, thank you all for your continued engagement which has been extremely helpful. Some of you may have already come across my earlier messages, but for anyone who hasn’t, I’d like to provide a short summary. Based on the reports and feedback provided throughout this thread, we’ve collected and forwarded the details about the following models to our colleagues for further investigation: Legion 5 15ARH05, Legion 5 15ARH05H, Legion 5 17ARH05H, Legion 5P 15ARH05H, Legion 5 15ACH6, Legion 5 Pro 16ACH6, Legion 5 17ACH6, Legion 5 15...

UMC Halts Laptop Procurements with Memory Constraint and Climbing RAM Price

UMC or United Metrolite Central has paused the buying of laptops owing to a memory crunch, which has significantly affected its laptop stocks. This has led to an escalation in the prices of RAM, making it difficult for the company to buy laptops. However, the memory squeeze is also impacting availability and pricing along the whole value chain, especially where such systems have been designed with more memory capacity. Considering that the cost of RAM is escalating, the upgrading and replacement of fleets have become less predictable, and thus, concerns about operational expenses have caused UMC to halt the purchase of new laptops. This is one way in which the rising costs of components, particularly memory, are being reflected in business and fleet buying decisions. As long as memory supply and costs remain unstable, the buying of laptops is set to remain cautious.

How I Became a Proactive Battery Monitor (Catching Issues Early)

Author : Felisitas Faya P. Most users notice battery problems only after something feels wrong — shorter runtime, sudden health drops, or unstable charging. By that point, degradation has already accumulated. My goal was different from the start: catch battery issues early , before they become visible, irreversible, or expensive. The Beginning: Observing, Not Assuming (2022) In 2022, I began continuously monitoring battery health on my Lenovo Yoga Slim 7 Carbon 13ITL5. Using Lenovo Vantage Battery Details alongside HWiNFO’s tray monitoring, I tracked capacity, temperature, charging behavior, and long-term trends in real usage. The purpose wasn’t to follow battery myths or chase perfect numbers. It was to understand how batteries actually age over time — slowly, quietly, and often invisibly. Expanding the Scope: Gaming Laptops and Heat (2024) In early 2024, I expanded this monitoring to my first gaming laptop, the IdeaPad Gaming 3 15ACH6. This introduced new variables: higher power draw...

New UMC Checklist Procedure: The Strict Check for Batteries

 UMC has launched new checklist called "UMC Checklist: Battery Reporting and Evidence" that procedure is essential but very important especially battery checks and UMC is monitoring 24/7 hours using a Lenovo Vantage battery detail to catch any issues. UMC has designed to enhance strict safety checks and reporting system. These tools are mandatory for checks such as Battery Meter, Lenovo Vantage, and NLBA1 Battery Analyzer. These three tools helpful detect any problems and anomalies where battery is dying or fail. UMC are preparing the new draft document as PDF version in conversion from Word. This ensures that PDF document is final and drafted by team. UMC has set as reporting system include submitting a ticket via Lenovo Support or visiting Lenovo service center at nearby. UMC checks if battery is good or bad quality. A bad quality means safety can be harmful if improper handling. UMC was bored and now I am using an AI as help of our writing is AI-generated .

Legion 5: Under Warranty and Repairs

 We regret to report that our brand-new Lenovo Legion 5 (15AKP10, 2025) experienced a deep kernel-level AMD GPU driver failure. The issue manifested as an unrecoverable TDR (Timeout Detection & Recovery) event, where Windows was unable to restore the GPU from a low-power or idle state. This failure caused repeated black screen events lasting several seconds, indicating that the GPU could not properly resume operation. All standard and advanced software-level troubleshooting steps were attempted, but the issue persisted, clearly requiring deeper technical diagnosis and hardware-level intervention. Due to this condition, the Lenovo Legion 5 15AKP10 became unavailable for primary operational tasks. Service Center Diagnosis & Repair Process On 2 December 2025, the device was brought to an official Lenovo Service Center, where I explained the issue in detail to the technician (Novi), including my own technical analysis. After evaluation, Lenovo confirmed that the repair process ...

Blog Statement: Issues with Legion 5 15AKP10 (Ryzen AI 7 350 + RTX 5060)

  After ½ months of use (purchased on 16 November 2025 and picked up on 17 November 2025), my Lenovo Legion 5 15AKP10, equipped with a Ryzen AI 7 350 processor and RTX 5060 GPU, has begun showing a mix of hardware and software stability issues worth noting.  1. LiveKernelEvent 141 (GPU Hardware Error)  On December 1, 2025, Windows logged a LiveKernelEvent 141, which is a GPU-related hardware fault commonly linked to TDR (Timeout Detection and Recovery) failures. The report pointed to amdkmdag.sys, indicating a low-level interaction issue with the AMD GPU driver stack or the system’s graphics pipeline. Errors like this usually happen under heavy load or when the system shifts between power states. These issues can lead to freezes, black screens, or sudden resets.  2. Lenovo Legion Toolkit Crash After Hibernation  After waking from hibernation, Lenovo Legion Toolkit (LLT) consistently crashes because of a .NET runtime failure inside coreclr.dll. This occurs when t...