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What is this blown up part for a HD 7990?

ybriK
By ybriK
in Graphics Cards
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Posted

Tried to power on this GPU and initially sparks came out, tried again and the fans would slightly turn then stop. What could've caused it as well? Old age? or some electric short of some sort?

 

https://imgur.com/a/Q7KuoL8

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I've got two 6990's that don't work, the 7 series I heard had similar problems. they just weren't reliable new. That is a blow resistor in a power stage, mosfet is prob dead as well 

Silent build - You know your pc is too loud when the deaf complain. Windows 98 gaming build, smells like beige

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sparks = short, otherwise it should also give off smoke.

 

The burnt mark near the bunch of capacitors look like a short. Not sure if the powerstages are shot or just dirty.

CPU: i7-2600K 4751MHz 1.44V (software) --> 1.47V at the back of the socket Motherboard: Asrock Z77 Extreme4 (BCLK: 103.3MHz) CPU Cooler: Noctua NH-D15 RAM: Adata XPG 2x8GB DDR3 (XMP: 2133MHz 10-11-11-30 CR2, custom: 2203MHz 10-11-10-26 CR1 tRFC:230 tREFI:14000) GPU: Asus GTX 1070 Dual (Super Jetstream vbios, +70(2025-2088MHz)/+400(8.8Gbps)) SSD: Samsung 840 Pro 256GB (main boot drive), Transcend SSD370 128GB PSU: Seasonic X-660 80+ Gold Case: Antec P110 Silent, 5 intakes 1 exhaust Monitor: AOC G2460PF 1080p 144Hz (150Hz max w/ DP, 121Hz max w/ HDMI) TN panel Keyboard: Logitech G610 Orion (Cherry MX Blue) with SteelSeries Apex M260 keycaps Mouse: BenQ Zowie FK1

 

Model: HP Omen 17 17-an110ca CPU: i7-8750H (0.125V core & cache, 50mV SA undervolt) GPU: GTX 1060 6GB Mobile (+80/+450, 1650MHz~1750MHz 0.78V~0.85V) RAM: 8+8GB DDR4-2400 18-17-17-39 2T Storage: HP EX920 1TB PCIe x4 M.2 SSD + Crucial MX500 1TB 2.5" SATA SSD, 128GB Toshiba PCIe x2 M.2 SSD (KBG30ZMV128G) gone cooking externally, 1TB Seagate 7200RPM 2.5" HDD (ST1000LM049-2GH172) left outside Monitor: 1080p 126Hz IPS G-sync

 

Desktop benching:

Cinebench R15 Single thread:168 Multi-thread: 833 

SuperPi (v1.5 from Techpowerup, PI value output) 16K: 0.100s 1M: 8.255s 32M: 7m 45.93s

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  • Author

Any possible way to recover this? Or is it complete dead? I don't know if any of the electronic repair shops around can do it but I highly doubt it.

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If there's sparks it's too dead to bother fixing. 

 

That card is so old, buggy, and crossfire doesn't even work in most games today. 

 

Might as well consider it time to upgrade. 

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