Asus Zephyrus G15 Laptop Repairs & Upgrades (GA503)
The 15‑inch powerhouse that blends Ryzen 9 muscle with RTX 30‑series graphics can run hot, flex hinges, and suffer VRM fatigue under sustained 140 W loads. Computer Doctor BG brings your G15 back to tournament form—quieter, cooler, faster.
Supported GA503 Configurations
CPU Options
- Ryzen 7 5800HS / 6800HS
- Ryzen 9 5900HS / 6900HS
GPU Options
- RTX 3060 / 3070 100 W
- RTX 3080 100–120 W
Display Options
- 165 Hz QHD 100% DCI‑P3
- 240 Hz FHD 100% sRGB
Storage & Memory
- 2× M.2 NVMe Gen3/4 slots
- Up to 48 GB DDR4‑3200
Popular G15 Services
- Thermal Solutions: Conductonaut repaste, fan swaps, heat‑pipe re‑alignment, dust purge, and fan‑curve optimization.
- Display Repairs: 165 Hz QHD and 240 Hz FHD panel replacements, dead‑pixel warranty assistance, and lid hinge reinforcement.
- Motherboard & VRM Repairs: Power stage replacement, BGA reballing for RTX GPUs, and BIOS recovery from bad firmware flashes.
- Battery & Power: 90 Wh OEM battery swap, DC‑jack resolder, and charger wattage verification.
- Upgrades: Gen 4 NVMe SSD installs up to 8 TB and 32 GB ×2 low‑latency RAM kits.
Typical G15 Symptoms We Resolve
- 90 Wh battery swollen, lifting trackpad
- Intermittent black‑screen under dGPU load
- Fans at 100 % but CPU clocks drop below 1 GHz
- Ethernet/USB‑C port failure after surge
- Cracked bottom vents causing hot‑spot throttling
Our 4‑Step Repair Workflow
Diagnostic Intake
Thermal imaging, POST code capture, and VRM ripple test—free in 24 hrs.
Transparent Quote
Itemized parts/labor, upgrade paths, and exact turnaround.
Precision Repair
ESD‑safe benches, OEM parts, and 3‑hour stress‑test.
QC & Warranty
24‑hour burn‑in, BIOS updates, and 90‑day warranty.
What G15 Owners Say
“My RTX 3080 G15 was thermal throttling to 65 W. After a repaste and fan swap, it runs 120 W stable while 8 °C cooler.”— Kevin T.
“Quick, transparent, and they installed a Samsung 990 Pro without wiping my data. Five stars!”— Rachel L.
Need your Zephyrus G15 battle‑ready? Call 702‑490‑3900 or email comp.doctor.bg@gmail.com.
Visit Our Two Vegas Shops
- Northwest: 7085 West Ann Rd., Suite 120 — 702‑490‑3900
- Southwest: 4075 S Durango Dr, #105b — 702‑802‑3300
© 2025 Computer Doctor BG. Zephyrus and ROG are trademarks of ASUSTeK Computer Inc. Computer Doctor BG is independent and not affiliated with ASUS.