For starters, backup your data. Then run error checking to check the system disk file system for errors. Maybe the disk is dying and has messed up some system files.
Power supplies are not a single spec of watts with a single rail of 12v.
EVGA 700BR is fine because it has 24 AMPS on the 3.3v rails and 150W combined on the 3.3v/5v rails. 5vsb on this unit is 3A which is 1A short of bare minimum required. Dell power supplies all the way down to 305W used in optiplex 755 have 150W combined. The EPS12v spec was upgraded to 170W combined for the 3.3v/5v rails. Dell 875W units up the current on the 3.3v to 30AMPS and 225W combined for these rails. Power supply is overloaded so it shuts down and the pc restarts.
3.3v @ 24 Amps is 75W but its not just using power on the 3.3v rail which is why the COMBINED power has to be AT LEAST 150W. It can be MORE but not Less.
If you were able to use 25AMPS on 3.3v and 5v rails at the same time combined power should be 208W which it isnt.
450BR from same vendor IS NOT SUFFICIENT POWER due to the AMPS on 3.3v as well as combined power being LESS THAN 150W for the 3.3v/5v rails.
Power supplies are not a single spec of WATTS with Single Rail of 12v for everything. 90 to 130W combined is not sufficient. Less than 24 AMPS on the 3.3v rail is NOT correct for 75W or greater X16 video.
Since the specs of ALL voltage rails on the Corsair RM550x are greater or the same as the original Dell PSU, it's a perfectly capable replacement. The Corsair RMx series are generally highly regarded PSUs. Doesn't mean something couldn't have gone wrong with your specific unit, though.
The seemly random error codes suggest a hardware problem. Likely culprits are PSU, RAM, CPU or motherboard. (Could be a GPU or driver problem, but I kind of doubt it.) Unfortunately, it's hard to track down without replacing things one by one to identify the faulty component.
Thank you for all of the replies. I am trying to understand all of the information with the PSU rails and voltages, but this is new for me and I don't completely understand it. So, the RM550x is sufficient for my system? If so, I can probably have it replaced with an identical model, as it is still under warranty; however, that is not the case with any of the other hardware.
I guess I was looking for an easier way of doing things, but it does not sound like that exists. Since I do not another CPU or motherboard to test, I have no idea how I would know if it were one of those elements. As for the RAM, I guess I could pull them in pairs to see if the problem persists.
So, there would not be any more detailed information as to the culprit in the minidump files or event logs?
Regarding PSU rails - all you need to understand is non-technical. Someone else's PSU use case (lots of power hungry devices in and attached to the 435T) is being projected onto yours. There is no indication you have such a use case and need to even know about individual rails.
As an aside, I explicitly crossed the Corsair RMx series off my list of possible PSUs for this system solely because I don't see a way to turn off the quiet fanless mode under lower power usage. I think in these older case designs the PSU exhaust fan is part of the system's cooling and best to have PSU fan running all the time. When the PSU fan is off, there's less airflow to remove heat from the case and the PSU heat is sucked into the case instead by the 435T's exhaust fan below the PSU. I wouldn't worry about it too much, though, as it only occurs under low load and your system's power usage doesn't seem to be high.
Regarding additional info in minidumps - I haven't examined one (generally requires a debugger) in a long time and am not set up to do it.
However, one of the most useful things to know in addition to the STOP code is the associated driver file, if there is one. On the BSOD screen under the STOP code there is often a .sys file which indicates what was running at the time. Record that (or none if no .sys file is displayed) every time it crashes as well. It may point to storage, network, gpu, antivirus, virus, etc. software issues if the STOP codes are occurring in the same .sys file (or related ones). If the .sys files associated with the STOP codes are all over the place (totally unrelated) it's more likely it's a hardware issue. Are you using a third party antivirus?
FYI, STOP names for hex codes you posted above:
1. 0x0000000a: IRQL_NOT_LESS_OR_EQUAL
2. 0x0000007f: UNEXPECTED_KERNEL_MODE_TRAP
3. 0x000000d1: DRIVER_IRQL_NOT_LESS_OR_EQUAL
4. 0x00000050: PAGE_FAULT_IN_NONPAGED_AREA
5. 0x000000be: ATTEMPTED_WRITE_TO_READONLY_MEMORY
Together, they more or less mean memory is corrupted, either by a driver or failing hardware.
RAM in the 435T is optimally installed in sets of 3 (triple channel) DIMM sticks. I believe you have 3x1GB and 3x2GB memory DIMMs. If testing memory by removing some, I'd remove one set of 3 at a time if possible.
I'd start by recording the .sys file name(s) from the BSOD screen to more definitively determine whether it's a hardware or driver issue.
When you add a video card that draws 75W from the 3.3v rails and 225W power from the 12v Rails this is where you get into a problem. Add USB3 cards and it then involves 5W per usb3 port with 4 ports or more its asking for 40W from the 5v rails which is why USB3 cards have Aux power that comes from the molex connectors that have 5v on them.
130W combined has no surplus power to add expansion cards etc.
Thats why All Dell has changed 5VSB to 4 AMPS and the combined power to 150W or more depending on the power supply.
If you could use all the power listed on the RM550 label the combined power for the 3.3v/5v rails should be 207W not 130W.
So, almost all power to a video card is supplied from the 12V rail, except for up to a measly 10W or so from the 3.3V rail and nothing from the 5V rail.
Any discussion of 5V and 3.3V rails power usage by video cards is... irrelevant.
In the discussion about 3.3v power the PCI-E slots etc. The max power used per rail is PER SLOT not the entire system. So if you use 2 cards then its 2X and if you use 3 cards then its 3X etc.
If 3.3v was ONLY USED on the PCI-E slots (WHICH ITS NOT) there would be no need for 3.3v PINS on the 24 pin EPS12v connector. All MAX power ratings are COMBINED for the ENTIRE power supply not just one rail.
You cannot use MAX AMPS an MAX POWER on ALL RAILS at the same time.
Power supplies are not a single spec of WATTS and a single rail of 12v.
Which is why 150W combined for 3.3v/5v rails is bare minimum and 24 AMPS is bare minimum for 3.3v rails.
Telling users that a power supply with 90 to 130W max on 3.3v/5v rails is bad advice when they are adding expansion cards that use power on the 3.3v rails and 12v rails and sometimes 5v rails as well.
Adding connectors to convert sata power connections to PCI-E aux power or Molex 5v power DOES NOT provide EXTRA POWER to your power supply. There is a reason why they dont have those connections on smaller power supplies.
That all counts against the MAX POWER OUTPUT for the power supply.
You ignore maximum for the unit or ignore rails like 3.3v at your own peril because it does not comply with the price you want to pay for a power supply. This is bad advice and nonsense.
"One, PCIe slots (and video cards inserted into them) are not provided 5V, so they aren't using any."
I did not say that the PCI-E slots used 5v at the slots. To infer that I said that is absolutely false. What I did say is that USB3 cards have molex connector that uses 5v for the usb3 ports because the max power from an X1 to X4 PCI-E slot is 25W and the USB3 cards use 5w per USB3 port on the 5v rail. Because the 3.3v and 5v rails max output is combined this is VERY relevant. When USB ports use 5v power this counts against the overall use. 2.5w for usb2 and 5w per usb3 port.
"So, almost all power to a video card is supplied from the 12V rail, except for up to a measly 10W or so from the 3.3V rail and nothing from the 5V rail.
Any discussion of 5V and 3.3V rails power usage by video cards is... irrelevant.
PCI-E slots get 3.3v power and this is combined with the 5v rails maximum 130W. They also have 12v power pins however its nonsense to say that they do not get power from 3.3v pins. Its absolutely MORE THAN 10W load when you get 75W from the slot .When you are talking about 75W slot power its not all on the 12v rail. If it was there would be no need for 3.3v aux power pins on the slot.
"Any discussion of 5V and 3.3V rails power usage by video cards is... irrelevant."
That statement is false and nonsense because the power maximum for 3.3v/5v rails is COMBINED Maximum.
There is a reason why the MAX combined power goes up to 225W on the Dell 875W power supply.
3.3v is 30AMPS not 20 or 25.
The EPS12v spec was revised to have 4 AMP and 6 AMP 5VSB and increases max combined 3.3v/5v power to 160W as well.
The 5v rails have 20W for SB and 160W for 5v rails aka 32 AMPS.
@Techgee - First, I have Malwarebytes, if that counts. Secondly, I have recreated the problem (with the second stop code listed there) and there has not been any sys message written below it.
You were right about my memory configuration - I had three 1GB sticks in the blue slots and three 2GB sticks in the red slots. I have just pulled the three 1GB RAM sticks (and moved the 2GB sticks to the blue slots) and am computing right now. So far, no crashes - I'll see how long this goes. I'm hoping that it is this simple and the RAM was the issue.
@speedstep - Do you have a recommendation for another PSU? The one that you suggested in an earlier post seems to be sold out everywhere.
GKDesigns
258 Posts
0
May 30th, 2020 16:00
@JCM2014
For starters, backup your data. Then run error checking to check the system disk file system for errors. Maybe the disk is dying and has messed up some system files.
GK
speedstep
9 Legend
•
47K Posts
0
May 30th, 2020 16:00
XPS 435T
RM550X this power supply is TOO SMALL.
Power supplies are not a single spec of watts with a single rail of 12v.
EVGA 700BR is fine because it has 24 AMPS on the 3.3v rails and 150W combined on the 3.3v/5v rails. 5vsb on this unit is 3A which is 1A short of bare minimum required. Dell power supplies all the way down to 305W used in optiplex 755 have 150W combined. The EPS12v spec was upgraded to 170W combined for the 3.3v/5v rails. Dell 875W units up the current on the 3.3v to 30AMPS and 225W combined for these rails. Power supply is overloaded so it shuts down and the pc restarts.
https://www.evga.com/products/product.aspx?pn=100-BR-0700-K1
https://www.bestbuy.com/site/evga-700w-atx12v-eps12v-80-plus-bronze-power-supply-dc-dc-technology-black/6346160.p?skuId=6346160
3.3v @ 130W is insufficient for a 75W video card.
3.3v @ 24 Amps is 75W but its not just using power on the 3.3v rail which is why the COMBINED power has to be AT LEAST 150W. It can be MORE but not Less.
If you were able to use 25AMPS on 3.3v and 5v rails at the same time combined power should be 208W which it isnt.
speedstep
9 Legend
•
47K Posts
0
May 31st, 2020 02:00
450BR from same vendor IS NOT SUFFICIENT POWER due to the AMPS on 3.3v as well as combined power being LESS THAN 150W for the 3.3v/5v rails.
Power supplies are not a single spec of WATTS with Single Rail of 12v for everything. 90 to 130W combined is not sufficient. Less than 24 AMPS on the 3.3v rail is NOT correct for 75W or greater X16 video.
GKDesigns
258 Posts
0
May 31st, 2020 06:00
GK
Techgee
2 Intern
•
623 Posts
0
June 5th, 2020 06:00
Since the specs of ALL voltage rails on the Corsair RM550x are greater or the same as the original Dell PSU, it's a perfectly capable replacement. The Corsair RMx series are generally highly regarded PSUs. Doesn't mean something couldn't have gone wrong with your specific unit, though.
The seemly random error codes suggest a hardware problem. Likely culprits are PSU, RAM, CPU or motherboard. (Could be a GPU or driver problem, but I kind of doubt it.) Unfortunately, it's hard to track down without replacing things one by one to identify the faulty component.
JCM2014
10 Posts
0
June 5th, 2020 21:00
Thank you for all of the replies. I am trying to understand all of the information with the PSU rails and voltages, but this is new for me and I don't completely understand it. So, the RM550x is sufficient for my system? If so, I can probably have it replaced with an identical model, as it is still under warranty; however, that is not the case with any of the other hardware.
I guess I was looking for an easier way of doing things, but it does not sound like that exists. Since I do not another CPU or motherboard to test, I have no idea how I would know if it were one of those elements. As for the RAM, I guess I could pull them in pairs to see if the problem persists.
So, there would not be any more detailed information as to the culprit in the minidump files or event logs?
Techgee
2 Intern
•
623 Posts
0
June 6th, 2020 06:00
Regarding PSU rails - all you need to understand is non-technical. Someone else's PSU use case (lots of power hungry devices in and attached to the 435T) is being projected onto yours. There is no indication you have such a use case and need to even know about individual rails.
As an aside, I explicitly crossed the Corsair RMx series off my list of possible PSUs for this system solely because I don't see a way to turn off the quiet fanless mode under lower power usage. I think in these older case designs the PSU exhaust fan is part of the system's cooling and best to have PSU fan running all the time. When the PSU fan is off, there's less airflow to remove heat from the case and the PSU heat is sucked into the case instead by the 435T's exhaust fan below the PSU. I wouldn't worry about it too much, though, as it only occurs under low load and your system's power usage doesn't seem to be high.
Regarding additional info in minidumps - I haven't examined one (generally requires a debugger) in a long time and am not set up to do it.
However, one of the most useful things to know in addition to the STOP code is the associated driver file, if there is one. On the BSOD screen under the STOP code there is often a .sys file which indicates what was running at the time. Record that (or none if no .sys file is displayed) every time it crashes as well. It may point to storage, network, gpu, antivirus, virus, etc. software issues if the STOP codes are occurring in the same .sys file (or related ones). If the .sys files associated with the STOP codes are all over the place (totally unrelated) it's more likely it's a hardware issue. Are you using a third party antivirus?
FYI, STOP names for hex codes you posted above:
1. 0x0000000a: IRQL_NOT_LESS_OR_EQUAL
2. 0x0000007f: UNEXPECTED_KERNEL_MODE_TRAP
3. 0x000000d1: DRIVER_IRQL_NOT_LESS_OR_EQUAL
4. 0x00000050: PAGE_FAULT_IN_NONPAGED_AREA
5. 0x000000be: ATTEMPTED_WRITE_TO_READONLY_MEMORY
Together, they more or less mean memory is corrupted, either by a driver or failing hardware.
RAM in the 435T is optimally installed in sets of 3 (triple channel) DIMM sticks. I believe you have 3x1GB and 3x2GB memory DIMMs. If testing memory by removing some, I'd remove one set of 3 at a time if possible.
I'd start by recording the .sys file name(s) from the BSOD screen to more definitively determine whether it's a hardware or driver issue.
speedstep
9 Legend
•
47K Posts
0
June 6th, 2020 07:00
Combined power is not trivial. The Combined power of 130W is less than the 305W to 1500W units from dell.
3.3v @ 25 AMPS is 82.5W
5v @ 25 AMPS is 125W
Combined thats 207W
Which is wayy more than 130W
Dell 875W power supplies increase the power on these rails to 30AMPS and 225W combined.
speedstep
9 Legend
•
47K Posts
0
June 6th, 2020 07:00
The Delta N1WJD 850W optional power supply has many cables.
And it may be too long to fit into a 435 case.
speedstep
9 Legend
•
47K Posts
0
June 6th, 2020 07:00
When you add a video card that draws 75W from the 3.3v rails and 225W power from the 12v Rails this is where you get into a problem. Add USB3 cards and it then involves 5W per usb3 port with 4 ports or more its asking for 40W from the 5v rails which is why USB3 cards have Aux power that comes from the molex connectors that have 5v on them.
130W combined has no surplus power to add expansion cards etc.
Thats why All Dell has changed 5VSB to 4 AMPS and the combined power to 150W or more depending on the power supply.
If you could use all the power listed on the RM550 label the combined power for the 3.3v/5v rails should be 207W not 130W.
Techgee
2 Intern
•
623 Posts
0
June 6th, 2020 08:00
Lots of misinformation on PSUs as they relate to video cards here.
Lets get our facts straight:
One, PCIe slots (and video cards inserted into them) are not provided 5V, so they aren't using any. Two, PCIe slots and video cards are limited to only 9.9W of 3.3V. Three, 8-pin and 6-pin PCIe connectors only supply 12V.
So, almost all power to a video card is supplied from the 12V rail, except for up to a measly 10W or so from the 3.3V rail and nothing from the 5V rail.
Any discussion of 5V and 3.3V rails power usage by video cards is... irrelevant.
speedstep
9 Legend
•
47K Posts
0
June 6th, 2020 09:00
In the discussion about 3.3v power the PCI-E slots etc. The max power used per rail is PER SLOT not the entire system. So if you use 2 cards then its 2X and if you use 3 cards then its 3X etc.
If 3.3v was ONLY USED on the PCI-E slots (WHICH ITS NOT) there would be no need for 3.3v PINS on the 24 pin EPS12v connector. All MAX power ratings are COMBINED for the ENTIRE power supply not just one rail.
You cannot use MAX AMPS an MAX POWER on ALL RAILS at the same time.
Power supplies are not a single spec of WATTS and a single rail of 12v.
Which is why 150W combined for 3.3v/5v rails is bare minimum and 24 AMPS is bare minimum for 3.3v rails.
Telling users that a power supply with 90 to 130W max on 3.3v/5v rails is bad advice when they are adding expansion cards that use power on the 3.3v rails and 12v rails and sometimes 5v rails as well.
Adding connectors to convert sata power connections to PCI-E aux power or Molex 5v power DOES NOT provide EXTRA POWER to your power supply. There is a reason why they dont have those connections on smaller power supplies.
PCIe Slot Width Numbers of Pins
PCIe x1 18
PCIe x4 21
PCIe x8 49
PCIe x16 82
75W 12v = 6.25 AMPS
150W 12v = 12.5 amps
75w 12v slot is 5.5 amps
Safety says 18 amps max per 12v rail or 216W
That all counts against the MAX POWER OUTPUT for the power supply.
You ignore maximum for the unit or ignore rails like 3.3v at your own peril because it does not comply with the price you want to pay for a power supply. This is bad advice and nonsense.
speedstep
9 Legend
•
47K Posts
0
June 6th, 2020 09:00
Lets not say what I did not say
"One, PCIe slots (and video cards inserted into them) are not provided 5V, so they aren't using any."
I did not say that the PCI-E slots used 5v at the slots. To infer that I said that is absolutely false. What I did say is that USB3 cards have molex connector that uses 5v for the usb3 ports because the max power from an X1 to X4 PCI-E slot is 25W and the USB3 cards use 5w per USB3 port on the 5v rail. Because the 3.3v and 5v rails max output is combined this is VERY relevant. When USB ports use 5v power this counts against the overall use. 2.5w for usb2 and 5w per usb3 port.
"So, almost all power to a video card is supplied from the 12V rail, except for up to a measly 10W or so from the 3.3V rail and nothing from the 5V rail.
Any discussion of 5V and 3.3V rails power usage by video cards is... irrelevant.
PCI-E slots get 3.3v power and this is combined with the 5v rails maximum 130W. They also have 12v power pins however its nonsense to say that they do not get power from 3.3v pins. Its absolutely MORE THAN 10W load when you get 75W from the slot .When you are talking about 75W slot power its not all on the 12v rail. If it was there would be no need for 3.3v aux power pins on the slot.
"Any discussion of 5V and 3.3V rails power usage by video cards is... irrelevant."
That statement is false and nonsense because the power maximum for 3.3v/5v rails is COMBINED Maximum.
There is a reason why the MAX combined power goes up to 225W on the Dell 875W power supply.
3.3v is 30AMPS not 20 or 25.
The EPS12v spec was revised to have 4 AMP and 6 AMP 5VSB and increases max combined 3.3v/5v power to 160W as well.
The 5v rails have 20W for SB and 160W for 5v rails aka 32 AMPS.
Techgee
2 Intern
•
623 Posts
0
June 6th, 2020 11:00
The short, non-technical version is to use your common sense.
Do you need a 700, 825 or 850W PSU for a 64W (TDP) NVIDIA GeForce GT 740 with a Suggested PSU of 350W?
No.
On the other hand, would it hurt to have a larger wattage PSU? No.
JCM2014
10 Posts
0
June 6th, 2020 17:00
@Techgee - First, I have Malwarebytes, if that counts. Secondly, I have recreated the problem (with the second stop code listed there) and there has not been any sys message written below it.
You were right about my memory configuration - I had three 1GB sticks in the blue slots and three 2GB sticks in the red slots. I have just pulled the three 1GB RAM sticks (and moved the 2GB sticks to the blue slots) and am computing right now. So far, no crashes - I'll see how long this goes. I'm hoping that it is this simple and the RAM was the issue.
@speedstep - Do you have a recommendation for another PSU? The one that you suggested in an earlier post seems to be sold out everywhere.