Windows 7 Forums

Welcome to Windows 7 Forums. Our forum is dedicated to helping you find support and solutions for any problems regarding your Windows 7 PC be it Dell, HP, Acer, Asus or a custom build. We also provide an extensive Windows 7 tutorial section that covers a wide range of tips and tricks.


Windows 7: New Computer not powering on,is it because of not powerful enough PSU?

02 Jun 2013   #31
bobafetthotmail

Win 7 Pro 64-bit 7601
 
 

Blowing up (small bang and/or a bit of acid smoke) a crappy PSU isn't so uncommon, happens here around once per 4-5 months (more when we buy old hardware by the pallet). Closer inspection (after the offending PSU is left overnight in a bucket of salty water to make sure it's no more electrically dangerous nor burning) usually reveals literally blown (cheap) capacitors or bad soldering and burned stuff around it. Some PSUs circuit boards even got themselves on fire. Sometimes I wonder how did they pass FCC or whatever certifications they need to enter EU at all.

As far as 80+ PSUs I never encountered issues with various of your so-so brands like EVGA and Coolmax, but I have to admit that those were used in mid-level builds like the one in the OP, not gaming rigs. Never used PSUs above 450-500W for that.

I am not going to buy a PSU above 500W if I don't see a good reputable review of it, regardless of brand.


My System SpecsSystem Spec
.
02 Jun 2013   #32
TwoCables

 

Quote   Quote: Originally Posted by bobafetthotmail View Post
Blowing up (small bang and/or a bit of acid smoke) a crappy PSU isn't so uncommon, happens here around once per 4-5 months (more when we buy old hardware by the pallet). Closer inspection (after the offending PSU is left overnight in a bucket of salty water to make sure it's no more electrically dangerous nor burning) usually reveals literally blown (cheap) capacitors or bad soldering and burned stuff around it. Some PSUs circuit boards even got themselves on fire. Sometimes I wonder how did they pass FCC or whatever certifications they need to enter EU at all.

As far as 80+ PSUs I never encountered issues with various of your so-so brands like EVGA and Coolmax, but I have to admit that those were used in mid-level builds like the one in the OP, not gaming rigs. Never used PSUs above 450-500W for that.

I am not going to buy a PSU above 500W if I don't see a good reputable review of it, regardless of brand.
Even in mid-level builds, the PSUs that I would never recommend might eventually create problems with either stability or just weird and random problems at the software level due to the hardware being subjected to power that's dirty, noisy, and unstable over the course of a couple of years or so. It's worse when the average power draw on the PSU is extremely low, like so low that the efficiency is always below 80%. Cheaper PSUs like that aren't built well enough to handle that and eventually worse problems can start to surface (not always, but sometimes).
My System SpecsSystem Spec
02 Jun 2013   #33
ICIT2LOL

Desk1 7 Home Prem / Desk2 10 Pro / Main lap Asus ROG 10 Pro 2 laptop Toshiba 7 Pro Asus P2520 7 & 10
 
 

I thin I have reffed this before bt if not it is quite a good guide to manufacturers.

http://whirlpool.net.au/wiki/psu_manufacturers
My System SpecsSystem Spec
.

02 Jun 2013   #34
TwoCables

 

There's also this on Overclock.net:

PSU articles

It contains lots of educational articles, actually.
My System SpecsSystem Spec
Reply

 New Computer not powering on,is it because of not powerful enough PSU?




Thread Tools Search this Thread
Search this Thread:

Advanced Search




Similar help and support threads
Thread Forum
BSOD when powering off computer, error 0x000000D1
Whenever I shut off my computer I get BSOD. I attached my SF file for viewing. Thanks in advance for the help. Marty
BSOD Help and Support
Computer will not boot properly after powering off during an update!
So I have a HP laptop running Windows 7 Home Premium 64 bit that turned off during an update not to long ago. I have been trying to get it fixed but I have ran out of options and need some other peoples help. After a long boot time to the login screen and after I get logged in, I can do nothing on...
Performance & Maintenance
Computer not powering up
I just bought a few upgrades for my computer, and was really excited to get to work today. After a few hours of fiddling with small problems, I finally got everything together and tried starting up my computer... to no avail. I purchased a new case, a new motherboard, and a new heatsink. I...
Hardware & Devices
Lifecam Cinema HD not compatible because my computer is too powerful?
I just bought the camera today...the Lifecam Cinema HD and it's not installing properly in my Windows 7 x64 system. I thought it may have been the firmware so I updated it. I also tried the latest software for it...version 3.21. I tried again and now it says: Setup cannot install the software...
Hardware & Devices
Maybe I need a more powerful computer
I have a 2 year old Intel E6550 (Dual 2.33) with 4 Gigs of RAM and a video card with one gig of RAM so when I video talk with someone and want to do some computer work like sending pictures or just screwing around with the computer my CPU's are pushing 90%+. I thought it was my slow 3 meg Cox but...
General Discussion
Will Windows 7 run smoothly on a non-powerful computer?
Will Windows 7 run smoothly on a non-powerful computer? what if a PC has this: Intel Pentium 4, 3.00GHz 512mb DDR2 RAM 98mb Intel Extreme Graphics 80GB Hard Disk I've tried Windows Vista Ultimate on this computer, and it runs fine but without it's Windows Aero Interface. I also...
General Discussion


Our Sites

Site Links

About Us

Find Us

Windows 7 Forums is an independent web site and has not been authorized, sponsored, or otherwise approved by Microsoft Corporation. "Windows 7" and related materials are trademarks of Microsoft Corp.

Designer Media Ltd

All times are GMT -5. The time now is 07:31.

Twitter Facebook Google+



Windows 7 Forums

Seven Forums Android App Seven Forums IOS App