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Legacy Laptop Modernization & Performance Restoration

Optimizing systems by resolving Disk Overutilization, Hardware Bottlenecks, and Battery degradation.

Laptop Model & Specs

Acer Aspire E5-575G (2016 model)

  • Processor: Intel Core i3-6100U (Dual-core, 2.30 GHz)
  • Original RAM: 4 GB DDR4-2133 MHz
  • Original Storage: 500 GB (5400 RPM mechanical drive)

Overview

  • This project involved the diagnostic troubleshooting and hardware overhaul of a 9-year-old "legacy" laptop.
  • The primary goal was to resolve severe performance bottleneck, Battery replacement and extend the machine's functional lifespan.
  • By performing a clean installation of Windows 10 onto a Solid State Drive and upgrading the ram triple it's size.

Skills demonstrated in this project

Hardware & Engineering Skills

  • Component Level Troubleshooting: Identified the "bottleneck" (HDD) and selected the correct parts (SSD/RAM) to fix it.
  • Precision Disassembly: Utilized specialized tools to open a chassis without breaking plastic clips or stripping screws.
  • ESD (Electrostatic Discharge) Safety: Handled sensitive "green board" components and RAM chips correctly to avoid frying them with static.
  • Hardware Interfacing: Executed precise installation of SATA-based solid-state storage and matched-pair DDR4 RAM modules for maximum performance.
  • Power Management: Swapped an internal battery, which involves managing delicate motherboard ribbon cables.

Systems & Software Skills

  • BIOS/UEFI Configuration: Managed BIOS/UEFI parameters to optimize the boot sequence and facilitate installation from external recovery media.
  • OS Deployment: Primarily used RUFUS to create "bootable media" into the USB and performed a clean installation of Windows 10.
  • Driver Management: Confirmed the laptop was running smoothly by updating the system and checking that all new parts were working perfectly with Windows.
  • Demonstrated sustainability skills by repairing a "legacy" unit instead of contributing to e-waste by buying a new one.

Lab Walkthrough

Phase 1: Files Back up / Diagnosing System Issue

Step: 1 Task Manager shows 100% Disk Usage

  • The system is experiencing a performance bottleneck, characterized by significant latency in web browsing and application response times, independent of available disk storage.
  • Despite ample free disk space, the user interface remains unresponsive and slow.

Summary Page

Summary Page

Step: 2 Before changing storage disk make sure to backup your files

Here in my case i used External SSD to backup my files.

Summary Page

Phase 2: Hardware Troubleshooting

Tools used for this Project

  • Multi-bit Precision Screwdriver
  • Plastic Spudger (Prying Tool)
  • Opening Picks (Plectrums)
  • Small Precision Screwdriver

Alt Text

Step: 1 Removing screws on the back case

Summary Page

Step: 2 Case on HDD and Ram slots are exposed

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Step: 3 Ram slot shows it only has 4gb inside.

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Step: 4 Placing both 4gb ram and 8gb ram.

Checked the compatibility of rams and confirmed it is both DDR4.

Summary Page

Step: 5 Replacing the Hard Disk Drive with Solid State Drive

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Step: 6 New SSD and Ram Slots are inserted into the board.

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Step: 7 Replacing Internal Battery

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Step: 8 Testing if the new battery will power on the laptop and it worked.

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Phase 3: Internal Diagnostics

Step: 1 Checking Bios if SSD was detected

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Step: 2 Searching for bootloader

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Step: 3 Downloaded Win 10.iso in another pc and created a boot loader in an External USB

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Step: 4 Windows 10 Operating System Deployment

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Phase 4: Final Implementation & Results

Step: 1 Checking the battery.

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Step: 2

Summary Page

Project Results

  • Improved the laptop's storage from 500gb HDD to 500gb SSD resulting in faster boot ups and faster navigation of files.
  • Upgraded 4gb ram into 12gb ram to be able to perform daily tasks
  • User feedback has confirmed that the previous sluggishness and input lags have been completely resolved.
  • Cost of upgrades worth 142$ in total for all the parts replaced.

Security & Compliance

  • Retained the original HDD as a secure offline backup, ensuring no data loss during the transition to SSD.
  • Performed a clean OS installation using official Windows 10 media with Secure Boot enabled to prevent unauthorized bootloaders.
  • Adhered to ESD (Electrostatic Discharge) protocols during disassembly to protect internal circuitry from static damage.
  • Extended the hardware lifecycle by 3–5 years, reducing e-waste through component-level restoration rather than replacement.

Technical & System Restoration

  • Identifying and resolving hardware bottlenecks, specifically the transition from mechanical (HDD) to flash-based (SSD) storage.
  • Gained hands-on experience in expanding system volatile memory and understanding the performance impact of multi-channel RAM configurations.
  • Successfully executed a clean Windows 10 installation using bootable media (Rufus), including driver initialization and BIOS/UEFI configuration.

Hardware Engineering & Safety

  • Developed skills in non-destructive disassembly and internal component replacement (Battery/SSD/RAM) within compact laptop chassis.
  • Applied professional Electrostatic Discharge safety standards to prevent latent damage to sensitive motherboard circuitry.

Relevant for roles such as:

  • IT Support Technician
  • Desktop Support
  • Jr System Administrator

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Optimizing systems by resolving Disk Overutilization, Hardware Bottlenecks, and Battery degradation.

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