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47 posts

Geek


#153686 4-Oct-2014 22:45
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I got a new computer from Computer Lounge at the start of the year and after 9 months of faultless running it has started having some power issues. I've tried to summarise the issue and any testing I've done below:

-I have never been able to get the computer to automatically put itself to sleep or turn the screen off
-At the start of this week it would not start after being put to sleep and then hibernating for the night. I unplugged and left it for half an hour and then when I plugged it back in it started again
-After running successfully for a few hours I put it to sleep again before going to work. When I returned it would not start again
-Unplugging and plugging in again did not help so I left it for a couple of days
-Today I removed the HDD and video card that I had added to the system to ready it for return to Computer Lounge. On a hunch I plugged it back in and it powered up and ran fine for 20 minutes before it automatically put itself to sleep and then wouldn't wake up again
-I reinstalled the video card and HDD and it worked once then wouldn't restart a second time
-I managed to unplug it and then when I restarted it worked again. I created a new power profile that set the sleep time as never and it ran fine for 3 hours. At this point I thought I had it sorted and that the issue was with the power management profile so I shut it down and tried to restart again. No luck.
-Next I tried removing the CMOS battery to reset the BIOS. This let the machine restart to the BIOS but then it would not boot any further than this
-After shutting down it would not restart again.

My concern is that it a BIOS or OS issue and I'm going to send the machine to Auckland to find there is nothing wrong with the hardware. Am I just wasting my time and just avoiding the fact that it most likely to be a stuffed power supply or are there other things I should try?

I have included details of the system below with the changes I requested.

http://www.computerlounge.co.nz/systems/systemdetail.asp?sysid=40&systypeid=2

 

 

 

 

Tek Advanced 

 

Dispatched
12/3/2014

 

$1,149.95  

 

 

$1,149.95 

 

 

 

Change to: ASUS H87M-Pro Intel H87 Haswell LGA1150 mATX Motherboard 

 

Dispatched
12/3/2014

 

$30.00  

 

 

$30.00 

 

 

 

Change to: Intel Haswell Core i7 4770 3.40GHz 8MB LGA1150 

 

Dispatched
12/3/2014

 

$160.00  

 

 

$160.00 

 

 

 

Item: Standard Intel/AMD Manufactures CPU Heatsink 

 

Dispatched
12/3/2014

 

 

 

 

 

 

 

 

Change to: Mushkin Blackline Ridgeback 16GB (2x8GB) DDR3-1866 CL11 (997073) 

 

Dispatched
12/3/2014

 

$170.00  

 

 

$170.00 

 

 

 

Change to: Samsung 840 EVO Series 120GB 2.5" SATA3 SSD (MZ-7TE120BW) 

 

Dispatched
12/3/2014

 

$20.00  

 

 

$20.00 

 

 

 

Item: ASUS DRW-24D3ST Green DVD Writer SATA 

 

Dispatched
12/3/2014

 

 

 

 

 

 

 

 

Change to: Corsair Obsidian Series 350D Mini Tower Case w/Window 

 

Dispatched
12/3/2014

 

$90.00  

 

 

$90.00 

 

 

 

Item: Seasonic SSP-450RT 450W 80Plus Gold Power Supply OEM (SSP-450RT) 

 

Dispatched
12/3/2014

 

 

 

 

 

 

 

 


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468 posts

Ultimate Geek


  #1147434 4-Oct-2014 23:13
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i had a bad ram chip that made mine do funny things on sleep/startup... I.E it would sleep and not wake up and if i repowered it it would take 3-4 goes to get it to boot up.

maybe remove one ram stick at a time and see if occurs?

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  #1147514 5-Oct-2014 09:35
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I had similar behaviour from my old computer. Turned out the motherboard had a hairline crack and needed to be replaced. Could be PSU too.

 
 
 
 




47 posts

Geek


  #1147891 5-Oct-2014 21:18
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So I tested with just one stick of RAMM and it all worked great. 10 or so restarts of varying sorts.

Then I reseated the second stick and it has been running fine for the day. I also did a memory test (Memtest86) and it all came back fine.

I'll run it for a few days and see how it goes. Seems all a bit odd though.

Cheers for the suggestions.



47 posts

Geek


  #1150230 8-Oct-2014 20:19
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Would the power supply for the HDD (the OS is on a SSD) being loose cause this?

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  #1150252 8-Oct-2014 20:51
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The power supply for the whole system, maybe. There's any number of possible causes, and unfortunately the only way to really work it out is to swap in new parts until it works.

2611 posts

Uber Geek


  #1150262 8-Oct-2014 21:07
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cep32: So I tested with just one stick of RAMM and it all worked great. 10 or so restarts of varying sorts.

Then I reseated the second stick and it has been running fine for the day. I also did a memory test (Memtest86) and it all came back fine.

I'll run it for a few days and see how it goes. Seems all a bit odd though.

Cheers for the suggestions.


If it stays fixed now... Could have been a RAM stick that worked loose?

I've had this when dragging my machine off to LAN games in the days before Internet gaming came to be... Spent half the night blue screening on a 2 month old 'bragworthy' machine and still feel the pain when remembering the event... Loose RAM sux, but if you have it working now, awesome!

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