Dell Alienware R4 17 common CPU failure - Is it fixable ?

TL;DR

Dell Alienware laptop brought in for repair with no power. Technician finds a short circuit on the motherboard and suspects a faulty CPU.

Transcript

here we have Adele Alienware laptop that came in for no power the customer brought this in on Saturday and she wants it done expedited she said that she uses a laptop for work and she took the laptop to another shop and the other shop are the ones who referred the customer here to our shop they said that some motherboard issue and they do not do an... Read More

Key Insights

• 🎮 The technician emphasized the importance of balancing talk and repairs in their videos.
• 💻 Short circuits are a common issue in laptop repairs, especially in gaming laptops like Dell Alienware.
• 💻 Building a custom desktop is recommended for gamers or those in need of high computing power rather than relying on bulky laptops.
• 🇨🇷 It is essential to clearly communicate repair costs and expectations with customers.
• 💼 No fix situations can occur even after extensive troubleshooting, and it is important to manage customer expectations in these cases.
• 💻 The technician highlights the potential cost and reliability issues of purchasing used motherboards for laptop repairs.
• 👋 The Dell Alienware laptop is not easily portable and may not be the best choice for those who do not require mobility.

Questions & Answers

Q: How did the technician identify the short circuit on the motherboard?

The technician checked the drain of the mosfet near the DC connector, measuring for a short circuit using a multimeter. A short circuit was detected.

Q: What did the thermal camera reveal about the CPU?

The thermal camera showed that the CPU was getting hot, which is not unusual, but it could be a sign of a problem. The technician focused on the v-core circuit to investigate further.

Q: Why did the technician decide to replace a mosfet chip?

The technician noticed a heat spot under the CPU on the thermal camera. After removing the chip, they determined that it could be causing the short circuit and CPU overheating.

Q: Why did the laptop still not work after replacing the mosfet chip?

Despite replacing the chip, the laptop continued to exhibit power issues, with the fans spinning on and off. This suggests a potential problem with the CPU itself.

Key Insights:

• The technician emphasized the importance of balancing talk and repairs in their videos.
• Short circuits are a common issue in laptop repairs, especially in gaming laptops like Dell Alienware.
• Building a custom desktop is recommended for gamers or those in need of high computing power rather than relying on bulky laptops.
• It is essential to clearly communicate repair costs and expectations with customers.
• No fix situations can occur even after extensive troubleshooting, and it is important to manage customer expectations in these cases.
• The technician highlights the potential cost and reliability issues of purchasing used motherboards for laptop repairs.
• The Dell Alienware laptop is not easily portable and may not be the best choice for those who do not require mobility.
• The technician suggests considering warranty or building a desktop as alternatives to buying a new Alienware laptop.

Summary & Key Takeaways

• Customer brought in a Dell Alienware laptop with no power, after another shop had disassembled it and lost parts.

• Technician discovers a short circuit on the motherboard, specifically on the drain of a mosfet near the DC connector.

• Thermal camera reveals that the CPU is getting hot, indicating a possible issue with the CPU or v-core circuit.

• Further inspection reveals a potential problem with a mosfet near the CPU, which could be causing the CPU to overheat.