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GPU running at PCIE 2x instead of 16x (broken mobo?)

Lately I’ve been having some issues with the PCIE connectivity on my Dell Vostro 220 that I use as a HTPC.

 

The GPU was running at PCIE 2x instead of 16x.

I decided to try to rebuild the system, and when doing so, I realized the motherboard was severely bent around the CPU socket. I was able to straighten the bend up, and the GPU ran well at PCIE 16x and the machine seemed well...

 

Until now.

 

Now I’m getting the same problem as before, and I’m thinking something is damaged around the CPU socket, which is preventing the full 16x bandwidth.

My suspicion is on the motherboard as I’ve tested different CPUs (a Celeron 440) and CPUs (a Radeon 2400xt), with no luck.

 

Current system specs:

Dell Vostro 220 case

Dell Vostro 220 motherboard (Foxconn G45M03) 

G45 Chipset

2 x 2 GB ddr2 800MHz

Xeon E5420 4 cores @ 2.5GHz (LGA 775 to 771 mod)

Radeon HD 5750

60 GB Kingston SSDNow

Corsair CX500M

 

I’m currently considering getting a new motherboard, more precisely this:

http://www.ebay.com/itm/Dell-G45M03-JJW8N-Vostro-220-220s-LGA775-Motherboard-No-BP-/371511503882?hash=item567fcfac0a:g:bJgAAOSwd0BV4Gwu#shpCntId

 

Any tips on how to fix this problem without getting a new motherboard?

 

 PS: The case does not have a removable rear io shield, so getting a different motherboard won’t work  :angry:

[GUIDE] LGA 771 Mod for Dell Vostro 220 [GUIDE] LGA 775 BSEL Mod [BUILD] The Mighty Radeon-Powered Dell [VIDEO] Evolution of Intel CPUs

Can you game on an 8-year-old i7? Is the 4-year-old GTX 660 still relevant? Upgrading the HP Pro 3500

Main Rig:

Spoiler

CPU Intel Core i7 4930k @ 4.3GHz | Motherboard ASUS P9X79 Deluxe | RAM Hynix 32GB (8x4GB) 2133MHz CL11 | GPU Gigabyte GTX 980Ti G1 Gaming | Case NZXT Phantom 410 | Storage Samsung 850EVO 500GB, Seagate Barracuda 2TB | PSU Cooler Master G650M (650W) | Monitors x1 Dell U2515H, x2 Dell 1907FP | Cooling Noctua NH-D14 w. x2 NF-F12 iPPC-2000 PWM | Keyboard Logitech G610 ORION BROWN | Mouse Logitech Performance MX | OS Microsoft Windows 10 Pro x64

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PS: The case does not have a removable rear io shield, so getting a different motherboard won’t work > :(

There's always the cutting option if you dare.

http://linustechtips.com/main/topic/334934-unofficial-ltt-beginners-guide/ (by Minibois) and a few things that will make our community interaction more pleasent:
1. FOLLOW your own topics                                                                                2.Try to QUOTE people so we can read through things easier
3.Use
PCPARTPICKER.COM - easy and most importantly approved here        4.Mark your topics SOLVED if they are                                
Don't change a running system

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There's always the cutting option if you dare.

Ofcourse, but getting the original mobo is cheaper, easier and i was happy with the performance i was getting.

[GUIDE] LGA 771 Mod for Dell Vostro 220 [GUIDE] LGA 775 BSEL Mod [BUILD] The Mighty Radeon-Powered Dell [VIDEO] Evolution of Intel CPUs

Can you game on an 8-year-old i7? Is the 4-year-old GTX 660 still relevant? Upgrading the HP Pro 3500

Main Rig:

Spoiler

CPU Intel Core i7 4930k @ 4.3GHz | Motherboard ASUS P9X79 Deluxe | RAM Hynix 32GB (8x4GB) 2133MHz CL11 | GPU Gigabyte GTX 980Ti G1 Gaming | Case NZXT Phantom 410 | Storage Samsung 850EVO 500GB, Seagate Barracuda 2TB | PSU Cooler Master G650M (650W) | Monitors x1 Dell U2515H, x2 Dell 1907FP | Cooling Noctua NH-D14 w. x2 NF-F12 iPPC-2000 PWM | Keyboard Logitech G610 ORION BROWN | Mouse Logitech Performance MX | OS Microsoft Windows 10 Pro x64

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Ofcourse, but getting the original mobo is cheaper, easier and i was happy with the performance i was getting.

Are you surely using the correct slot?

If yes this leaves you GPU and your mobo's PCIe slot(my guesses. There is definitely more) open as a point of failure. Try a differrent GPU and your curretn GPU on a differrent board if you can.

http://linustechtips.com/main/topic/334934-unofficial-ltt-beginners-guide/ (by Minibois) and a few things that will make our community interaction more pleasent:
1. FOLLOW your own topics                                                                                2.Try to QUOTE people so we can read through things easier
3.Use
PCPARTPICKER.COM - easy and most importantly approved here        4.Mark your topics SOLVED if they are                                
Don't change a running system

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Are you surely using the correct slot?

If yes this leaves you GPU and your mobo's PCIe slot(my guesses. There is definitely more) open as a point of failure. Try a differrent GPU and your curretn GPU on a differrent board if you can.

There is only one 16x slot on the mobo, and i have tested the 5750 on my testbench and other gpus in the effected system. It must be something with the mobo.

[GUIDE] LGA 771 Mod for Dell Vostro 220 [GUIDE] LGA 775 BSEL Mod [BUILD] The Mighty Radeon-Powered Dell [VIDEO] Evolution of Intel CPUs

Can you game on an 8-year-old i7? Is the 4-year-old GTX 660 still relevant? Upgrading the HP Pro 3500

Main Rig:

Spoiler

CPU Intel Core i7 4930k @ 4.3GHz | Motherboard ASUS P9X79 Deluxe | RAM Hynix 32GB (8x4GB) 2133MHz CL11 | GPU Gigabyte GTX 980Ti G1 Gaming | Case NZXT Phantom 410 | Storage Samsung 850EVO 500GB, Seagate Barracuda 2TB | PSU Cooler Master G650M (650W) | Monitors x1 Dell U2515H, x2 Dell 1907FP | Cooling Noctua NH-D14 w. x2 NF-F12 iPPC-2000 PWM | Keyboard Logitech G610 ORION BROWN | Mouse Logitech Performance MX | OS Microsoft Windows 10 Pro x64

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