No Signal After Driver Update On Radeon HD 7850

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Anna Marchetti

Anna Marchetti

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Aug 12, 2015
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Hello Everyone,

A friend just updated the drivers on his Radeon HD 7850 last night. He started running the update, and both his screens went black, for 2 hours. So he rebooted him machine and only one monitor came back on (the one connected via DVI, the other is connected via HDMI). He ran a chkdsk and rebooted again, but upon reboot got no signal to either monitor. At this point we've tried:

Swapping output cables
Using one monitor at a time
Swapping out for a different video card
Trying a different expansion slot
Re-seating the memory

There's no onboard video port, his mobo is a gigabyte ga-970A-D3. He tried updating via the ATI program, not through Windows update.

We can't even get into safe mode or anything since we can't get any output at all. Has anyone run into something similar before?
 
Solution
RCS-Raincloud
I tried something else. So far I'm using VGA cable when I need to connect monitor to MOBO and DVI cable when I connect to GPU. I just used the DVI to connect to MOBO and got no signal. Now, I know DVI cable is working fine, I use it normally up to the point when I have to install GPU drivers. I'll do a DDU cleanup to remove all AMD drivers again and see if DVI cable to the MOBO works. Could it be both MOBO and GPU are fine, drivers screw with DVI cable connection?

Update: removed GPU and used DDU to remove AMD drivers. Now if I plug monitor to MOBO with DVI cable, I get no signal. VGA cable still works. Faulty MOBO? I'm tired and lost lol

Final update: It was the cable. It was the f* cable the whole time. The f* DVI cable. Got another...
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Casey Jones

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May 6, 2015
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Do you have the hardware laying around between the two of you to troubleshoot the hardware on his computer? make sure the hardware is still viable before thinking about the drivers.
 
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Anna Marchetti

Anna Marchetti

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Aug 12, 2015
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All the hardware mentioned is still around. That's why he swapped out the video card, to see if it was specifically the video card giving him problems. I'm almost wanting to lean towards his mobo going for some reason, but it would be an odd coincidence. All he did was update the drivers on his GPU.
 
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Anna Marchetti

Anna Marchetti

Honorable
Aug 12, 2015
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Update: It's a mobo problem alright. Another friend suggested pulling the RAM and turning it on to listen for BIOS beeps. Did so, no beeps. Gigabyte boards should give a continuous short beep for improperly installed RAM (http://www.gigabyte.com/support-downloads/faq-page.aspx?fid=816). Thanks for your help either way guys! :)
 
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RCS-Raincloud

RCS-Raincloud

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Jun 17, 2016
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Hi Anna, found you thread while looking for solutions to my issue.

I built a new PC, installed windows 10, updated MOBO, everything was fine. Put my XFX RX 470 4GB in, all is good. Start installing drivers from CD and screen goes black. Wait for a while, restart and monitor works until windows starts to load, then screen goes black and no video signal. Used DDU to remove drivers and did a clean install with AMD latest driver, same issue. Screen goes black, system is idle for a long time, restart, lose video signal when windows 10 starts loading.

Specs:
PCPartPicker part list / Price breakdown by merchant

CPU: Intel Core i3-6100 3.7GHz Dual-Core Processor ($110.99 @ SuperBiiz)
Motherboard: Gigabyte GA-B150M-D3H Micro ATX LGA1151 Motherboard
Memory: Kingston HyperX Fury Black 8GB (2 x 4GB) DDR4-2133 Memory ($38.99 @ NCIX US)
Storage: OCZ TRION 150 240GB 2.5" Solid State Drive ($64.99 @ Newegg)
Storage: Western Digital Caviar Blue 1TB 3.5" 7200RPM Internal Hard Drive ($47.49 @ OutletPC)
Video Card: XFX Radeon RX 470 4GB HS Triple X Video Card ($209.99 @ B&H)
Case: Zalman ZM-T1 PLUS MicroATX Mini Tower Case ($20.98 @ Newegg)
Power Supply: XFX TS 650W 80+ Gold Certified ATX Power Supply ($78.99 @ SuperBiiz)
Optical Drive: Samsung SH-224BB DVD/CD Writer ($21.55 @ OutletPC)
Wireless Network Adapter: TP-Link Archer T6E AC1300 PCI-Express x1 802.11a/b/g/n Wi-Fi Adapter ($46.91 @ B&H)
Total: $640.88
Prices include shipping, taxes, and discounts when available
Generated by PCPartPicker 2016-08-18 14:21 EDT-0400

Any ideas?
 
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RCS-Raincloud

RCS-Raincloud

Commendable
Jun 17, 2016
28
0
1,540
I tried something else. So far I'm using VGA cable when I need to connect monitor to MOBO and DVI cable when I connect to GPU. I just used the DVI to connect to MOBO and got no signal. Now, I know DVI cable is working fine, I use it normally up to the point when I have to install GPU drivers. I'll do a DDU cleanup to remove all AMD drivers again and see if DVI cable to the MOBO works. Could it be both MOBO and GPU are fine, drivers screw with DVI cable connection?

Update: removed GPU and used DDU to remove AMD drivers. Now if I plug monitor to MOBO with DVI cable, I get no signal. VGA cable still works. Faulty MOBO? I'm tired and lost lol

Final update: It was the cable. It was the f* cable the whole time. The f* DVI cable. Got another DVI single channel old AF cable and everything works now. The f* cable. Thank you for the help. The f* brand new DVI cable I just bought was the f* problem the whole f* time. The f* cable. Took the system apart 3 times, was about to RMA MOBO. The cable.
 
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