HELP! New gpu not connecting to monitor

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Cwarje

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Jan 19, 2014
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I just bought a new graphics card. When I plug the monitor into it (I've tried DVI and HDMI), the monitor can't find it, and goes to sleep. I have not installed or uninstalled any new or old drivers yet. What should I do to get it to work?

My Computer : http://h20565.www2.hp.com/portal/site/hpsc/template.PAGE/public/kb/docDisplay/?javax.portlet.begCacheTok=com.vignette.cachetoken&javax.portlet.endCacheTok=com.vignette.cachetoken&javax.portlet.prp_ba847bafb2a2d782fcbb0710b053ce01=wsrp-navigationalState%3DdocId%253Demr_na-c03770771-6%257CdocLocale%253D%257CcalledBy%253D&javax.portlet.tpst=ba847bafb2a2d782fcbb0710b053ce01&sp4ts.oid=5358992&ac.admitted=1390183207178.876444892.492883150

New GPU : http://www.zotac.com/products/graphics-cards/geforce-600-series/gtx-660/product/gtx-660/detail/geforce-gtx-660/sort/starttime/order/DESC/amount/10/section/specifications.html

Power Supply :New XFX PRO550w
 
Solution
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i spammed tom's hardware forum with this exact problem i had for the last two days which i found the solution for.. about 20hours + of manual trouble shooting, reading forms, breadboarding and using components with old pc... i can tell you its one of the follow for sure.

1. The monitor sometimes cannot display the video output when connected to the GPU directly because of the resolution. what you need to do is when the system boots, spam F8 and go in to safe mode, there you will find options and change the settings to 800x600 which is the default most of the time. the next time you boot, the monitor will work and boot into the BIOS or load windows where you can install the new drivers for your GPU from the disk/online.

(This is what...
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gizzard1987

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Aug 7, 2013
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When I got my new graphics card, I had to run my monitor on my motherboard graphics until I installed the new drivers from the disc, after the first time it had worked on all future driver wipe/updates. I assume it was due to Windows 8.1 but meh. Try that, it might at least get things started.

First, I would certainly check to make sure you have it seated into the PCIe slot properly and the power cable is hooked up properly.

Second, I would also check and make sure you're using the right port if you're card has more than 1 DVI or HDMI. Mine has 2 DVI but the second one only works if the first one is hooked up because the second port is a "digital" connection, whatever that means.

Another thought, the website says you should have a minimum of 600w psu, though I would think a nice xfx 550 should be plenty enough since they usually figure on people using a crappy 600w.
 
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Cwarje

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Jan 19, 2014
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I tried running my monitor on my motherboard graphics, but I had the same problem. The new gpu was properly fitted into PCIe, and the fans were running. I tried both DVI slots on the new gpu, neither worked. Are you saying I should use two DVI's? Do you know anything about BIOS? I'm not sure what it is.
 
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gizzard1987

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Aug 7, 2013
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Depending on your setup the bios is enter in the first few seconds of booting up. Mine I have to hit f2 repeatedly as soon as the PC turns on then the BIOS comes up. From there, normally for new hardware if you "load optimized defaults" it "should" pick up and new hardware once you hit save and exit. As for the card not showing up, I would make sure you have all the latest drivers for the card. Outside of that I'm at a bit of a loss. I hope your card isn't a dud.
 
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Rafiul27

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Jan 13, 2014
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i spammed tom's hardware forum with this exact problem i had for the last two days which i found the solution for.. about 20hours + of manual trouble shooting, reading forms, breadboarding and using components with old pc... i can tell you its one of the follow for sure.

1. The monitor sometimes cannot display the video output when connected to the GPU directly because of the resolution. what you need to do is when the system boots, spam F8 and go in to safe mode, there you will find options and change the settings to 800x600 which is the default most of the time. the next time you boot, the monitor will work and boot into the BIOS or load windows where you can install the new drivers for your GPU from the disk/online.

(This is what happened to me and after over 20hours over 2days of stress, i finally found the solution. it was so simple. at first i thought it was DOA components but nope.. This is most likely what has happened to you! remember, use a different monitor/tv with HDMI output to first boot the system into windows where you can install drivers and then switch back to the monitor that wasn't working.



other possible reasons:


2. Try a different PCI 2.0x16 slot. Rare for this to happen but sometimes slots may not work

3. Compatibility. CPU/RAM.

4. Short ciruit motherboard, check ALL cards and connections are connected correctly and that your motherboard is screwed in properly to reduce a chance of a short.

5. MORE JUICEEEE. If you do not have enough power to boot all your components, the system won't simply boot.

 
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gizzard1987

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Aug 7, 2013
320
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10,860
Another thing you might check, since sometimes we overlook the small things, is the cable itself. Try another cable, maybe check your pins on the block to see if you accidentally smashed one while installing it, or maybe it came without a few pins (I've had that before on old VGA cables from dell).
 
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