New graphics card - no signal, no beep.

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Krzysztof_Sikorski

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Feb 10, 2017
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I bought used Acer Aspire XC600 from 2013 with h61h2-ad motherboard. (250W power supply). I want to extend it with Gigabyte Radeon 460RX (slighty bottlenecked CPU, but I wanted to upgrade it later)

I had win7 installed with simple 512GB HDD, I've connected the card with riser (too little place for connecting normally). It worked, so I went for format + new system (win10). During the installation I slightly bumped the computer from the side and it turned off and back on again (probably power cord was disconnected). After that, graphics card stopped working - there is no signal on my monitor, and, worse, there is no beep while computer is booting up (in contrary to one beep before installing card). Disconnecting card solves the issue.

I've tried resetting CMOS (removing battery), I've installed system properly no problem using integrated graphics. The problem persists while card is connected. Fans in card are working.

It would be easier if graphics card didn't work from the beginning - there were a few possible reasons then - old BIOS, weak power supply, etc., I've searched this forum thoroughly. But the issue is strange now. Worse - the bump might be just a coincidence, though I like to believe it is possible to repair without changing case, motherboard and power supply.
 
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J
that acer them card are more then likely not supported under there proprietary bios's used . pretty common thing with a prebuilt an may be easy to find that out at ther forums

my disclaimer

some models of store bought computers [dell.hp,acer,ect..] may come with a ''locked or fixed'' / legacy or uefi bios and may not allow you to change certain hardware as a video card.. this is done to protect them from undue warranty claims and refunds .this is not done to hurt you but to protect them. you really need to see if that upgrade has been proven to work in your model first before you invest money in it .. there are a lot of these threads here at toms to look at some models will allow upgrades and some dont.. and a lot of guys...
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TheOnePhoenix

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Nov 5, 2016
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Sorry, it's definitely the PSU. 250 watts will not be able to handle the rx460. You will need at least 500w preferably 600w
 
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Krzysztof_Sikorski

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Feb 10, 2017
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That was my theory, too. Although I don't know why it worked that one time - I even played some game then to test performance and it was ok. Any thoughts on that?
 
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DRagor

DRagor

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Jan 23, 2017
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IF you had power cable powering GPU disconnected while it was working, there is a chance you damaged GPU. Also did you tried connecting GPU straight to mobo to rule out riser malfunction?
Also while the computer might work with inadequate PSU, and even allow you to play some game, once GPU gets under heavy load it will surely fail.
 
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shknawe

shknawe

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Oct 22, 2016
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Try the card in your friends rig to make sure the card works, but either way you will need at least a bronze rated psu of 600w to run your rig.
20-Overview-Card-Different-Load-Levels.png
 
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K

Krzysztof_Sikorski

Commendable
Feb 10, 2017
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First of all - that's Gigabyte version, and it has lower wattage needed. But I bought a new case with new, stronger power supply. The problem stays exactly the same.

Any more ideas? I don't have another PC to check graphics card, are there other ways to check if card is the reason for that malfunction? And if that is the case, why it could worked for the first time?
 
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Krzysztof_Sikorski

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Feb 10, 2017
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It's not recognized at all. System won't boot, and if I connect it after botting it obviously ignores it. DOA - that's my thesis now, I will send it to the manufacturer probably.
 
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junkeymonkey

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Nov 11, 2013
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that acer them card are more then likely not supported under there proprietary bios's used . pretty common thing with a prebuilt an may be easy to find that out at ther forums

my disclaimer

some models of store bought computers [dell.hp,acer,ect..] may come with a ''locked or fixed'' / legacy or uefi bios and may not allow you to change certain hardware as a video card.. this is done to protect them from undue warranty claims and refunds .this is not done to hurt you but to protect them. you really need to see if that upgrade has been proven to work in your model first before you invest money in it .. there are a lot of these threads here at toms to look at some models will allow upgrades and some dont.. and a lot of guys here say ya ya ya when is really no no no...it would be sad you spent $200 on a card that won't post after you installed it as most find out. then get told its your psu and you spend more and end up right back where you are now, but its up to you good luck..


you got to know the boards in these computers are not like the ones we use to do custom builds witch are open to upgrading with in the boards compatibly . the bios is custom made for there design and just for the parts they authorize to be used on there computers there only guaranteed to work as is out of the box as you bought it ,..


also these boards do not have to meet atx standards and there pci-e slot power may not do the required 75w needed for most higher end cards and can be limited to say 45 or 60w that is all thats needed with the low end factory oem cards that it may of shipped with

in the end any upgrade you do is all your own risk . the prebuilt manufactures only guarantees there computers work as sold to you as is out of the box from there factory with what they put on it , not a drop more

there in business to sell you whole ready to go computers , and dont worry about you upgrading them or giving you support to do so . thats not how they make there money they prefer you run to wal-mart and buy there ''better'' latest models
 
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