Power Supply Over consumption?

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David_763

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Jun 9, 2017
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I bought a Dell desktop a while back and replaced the GPU from a 745 to a 1060 3GB. Problem is, when I'm using (mostly when gaming) It just freezes. The displays (I have 2 monitors), the sound, everything. Sometimes when I press the shut down button it will unfreeze to prompt that it's shutting down. I can't figure out what the problem is! Could it be that my Power supply isn't powerful enough? Here are the specs
intel Core i7 4790 3.6 GHZ.
16 GB RAM(I assume DDR3)
420 Watt Power Supply
GTX 1060 3GB
I have two monitors, 1 1080p, 1 900p. Thanks!
 
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T
FWIW OEM power supplies like the one in your dell tend to deliver on their specs and not be too crappy else Dell would get returns. Just look at tear-downs of oem bestech power supplies.

Your PC is drawing (max)
intel Core i7 4790 TDP: 88 W
GTX 1060 3GB TDP: 120W, but with OC rate it at 150 to 170W.
Memory, MB, drive : 25 W

Total is less than 300W. Your 420w should be fine as long as it has not failed. (PSUs do fail, so do MBs, memory etc).

Did the problems start when you inserted the new video card, or sometime later.
If the problems started just when you installed the 1060 then:
1. reinstall video drivers (assume you've already done this, if not do it and force update by uninstalling current drivers first)
2. Make sure the...
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tsnor

Splendid
Nov 20, 2008
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FWIW OEM power supplies like the one in your dell tend to deliver on their specs and not be too crappy else Dell would get returns. Just look at tear-downs of oem bestech power supplies.

Your PC is drawing (max)
intel Core i7 4790 TDP: 88 W
GTX 1060 3GB TDP: 120W, but with OC rate it at 150 to 170W.
Memory, MB, drive : 25 W

Total is less than 300W. Your 420w should be fine as long as it has not failed. (PSUs do fail, so do MBs, memory etc).

Did the problems start when you inserted the new video card, or sometime later.
If the problems started just when you installed the 1060 then:
1. reinstall video drivers (assume you've already done this, if not do it and force update by uninstalling current drivers first)
2. Make sure the power connector in the card is inserted very firmly, not sitting there 1/2 way in.
3. use any standard video overclocking tool to UNDERCLOCK your video card by 20%. If the crashes go away then RMA the card and get a new one.

If the crashes started a while after you installed the 1060 then before you replace the PSU, suggest you
1. Verify temps are OK. If high then blow out the dust.
2. Do standard windows maintenance: Load most recent drivers, run anit-virus, run windows update.
3. for me, before I touched the PSU I'd do a clean install of windows, get it back to fully updated by running windows update then rebooting then running windows update again. Why: because the PC coming back to life when you request shutdown via the power switch makes we thing software bug vs hardware bug. But SR-71 could certainly be right that its the PSU.



 
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