Lights of GPU, and casing bleeping but pc won't start.

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Ryan_160

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Jul 12, 2016
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So today I started upgrading my PC with a few parts.
The parts it now contains are:
I7 6700k
Cryorig H7 CPU cooler
MSI Z170 M5 motherboard
GTX960 4gb
16 Gb 3000 Mhz RAM
2 TB barracuda HDD
And a (rather old) Disc reader
CX430 Corsair 430Watt PSU
For some reason though the pc will only start once every few times, we don't know exactly why, but we we're suspecting it is caused by the PSU. (Not having enough wattage to sustain the new build.)

Anyone know for certain what the problem might be, and if so does anyone have any suggestions to a solution ( For example what kind of PSU should I be looking for if it is the main cause)

Anyway cheers upfront and thanks for the help!
 
Solution
MrNiemo
I think a little overkill with power supplies never hurts. Better to be over than under. I have a Corsair HX750W professional series and I just ran the Newegg calculator and it told me 695 watts. I honestly didn't think I required that much, but now I'm glad I have it. One thing I will say if you're looking for a new power supply is that you should try to find something 80+ certified. Higher efficiency means less heat generation and lower power bills. However there are many things to be considered when purchasing a power supply, there are lots of guides on this site and others to assist you in making the correct choice for your needs. Personally yeah I'd go for a 650 or higher to allow for any possible future upgrades.
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MrNiemo

MrNiemo

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Sep 30, 2016
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I had a look at Newegg's Power Supply Calculator and input a rough estimation of what you have there, and it told me 500w. http://images10.newegg.com/BizIntell/tool/psucalc/?nm_mc=KNC-GoogleKWLess&cm_mmc=KNC-GoogleKWLess-_-DSA-_-CategoryPages-_-NA&gclid=Cj0KEQiAx7XBBRCdyNOw6PLHrYABEiQAJtyEQyAFVC7Pvy_rWhZJtB_ykGd0vRvctnDQxD_Sk1YGwd0aAiNZ8P8HAQ&gclsrc=aw.ds

I imagine that their calculator isn't exact by any means. However you said it does start sometimes? Has it ever shut down while playing a game or running a benchmark or otherwise stressing the hardware?
 
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Ryan_160

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Jul 12, 2016
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Haven't had the oppertunity yet, I've started it once downstairs, went just fine (Even got into windows etc and it could start a program) So I moved the whole package upstairs and it didn't start anymore. After that it started again once or twice while trying to get it to work, but both of the times it had no screen or etc attached so I couldn't really do anything.
But since my current PSU is only 430w I probably need one of like 550 - 650 then I guess?
 
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MrNiemo

MrNiemo

Reputable
Sep 30, 2016
124
0
4,760
I think a little overkill with power supplies never hurts. Better to be over than under. I have a Corsair HX750W professional series and I just ran the Newegg calculator and it told me 695 watts. I honestly didn't think I required that much, but now I'm glad I have it. One thing I will say if you're looking for a new power supply is that you should try to find something 80+ certified. Higher efficiency means less heat generation and lower power bills. However there are many things to be considered when purchasing a power supply, there are lots of guides on this site and others to assist you in making the correct choice for your needs. Personally yeah I'd go for a 650 or higher to allow for any possible future upgrades.
 
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