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new PSU question
angerbeaver
Member UncommonPosts: 1,273
Hi All,
My friend has a dell dh57m01 and the PC is not turning on after moving to a new apartment. It's been in the new place for a bit and the weather was not cold during the move and it was a 10 minute drive away.
there is no power but we know the socket and cable work because it gives power to the Monitor.
I think most issues outside of a PSU/MB issue would still at least turn the machine on and then something happen. Here there is just no power.
With the dell dh57m01 Motherboard what kind of PSU can he get? It seems most people have 350W when I looked around but that seems very low end. Does it have the ability for a better PSU? Like 600W? If he can keep it in the 60$ CAD range all the better.
Thanks!
Comments
First off, no one can help you make an informed decision about what PSU to get until you list out what the computer actually has. For all we know, the computer could have an Nvidia Titan gfx card in there so unless we know whats in there, we can't really say what wattage PSU he needs.
Second, just for shits and giggles, have you tried plugging it in a different socket? Even though you tried it with the monitor, try a different socket entirely in a completely different part of the house/apartment and not just 1 room over. Sometimes circuit boards are wonky and only power low power things like that.
In my house, if i have my computer and a floor heater and the room next to me has their floor heater on, the power goes out cause its all on the same circuit board and it's to much.
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The limiting factor on what power supply you can get is the case, not the motherboard. This is for two reasons: first, you can't get something that won't physically fit in the case. Dell sometimes goes for goofy form factors that make it so that you can basically only buy upgrade/replacement parts from Dell, and then they can charge ridiculous prices for them. But even when they don't do that, the other limiting factor is airflow. If a case has a single, small case fan and that's it, even if you could put a 1000 W power supply in there, trying to dissipate 1000 W will cause massive overheating.
Exactly what hardware does he have? Sinking money into an old enough computer is really just throwing good money after bad. But there's a good chance that it's something worth at least trying to repair.
The number you gave is the motherboard part number. It matches a Dell Studio XPS 8100.
The most likely cause is a stick of RAM isn't seated properly. Check that.
If the system is in warranty, call Dell. They will probably tell you to do the next steps. If you do these steps before you call Dell do not tell them you did so. Opening the case unless you are A+ certified is cause for voiding the warranty. If the customer rep you get is a stickler for the rules and you tell them you did this they could choose to void the warranty especially if you give the an attitude.
Dell power supplies have a self test that usually works. Open up the case. Plug the power supply into the wall. On the outside back of the power supply push the small button. If the CPU cooling and case fans run while you hold that button down then the PSU is probably good. There is also an amber LED that is supposed to turn red if the PSU is bad when you push the test button. I have red/green color blindness and can't tell the difference without comparison between the LEDs colors.
Next step if the fans do not run. Unplug the PSU from the outlet. Unplug all PSU cables inside the case except for the 20/24 pin main power connector to the motherboard. This includes unplugging the 4 pin CPU power plug. Plug the PSU into the wall. Push the test button. If the fans work now then one of the unplugged peripherals or the CPU is bad.
If the fans run. Unplug from the wall. Plug the CPU power cable back in. Plug the PSU into the wall. Push the test button. If the fans do not run then the CPU is bad. It is highly unlikely the CPU is bad though.
Remember to plug everything inside back onto the PSU.
Grunty has some good steps here - I agree, something probably came loose during the move -- assuming the electrical outlet is good. Just opening the case and giving everything (DIMMs, cables, fans, etc) a good tug and push will probably find the problem.
And if it doesn't, that self test probably would.