motherboard lights on but no fans

After several hours and numerous test, I finally put the old power supply back in, and everything worked fine. I need this up and running ASAP, so any help anyone could give would be helpful (I'm praying it's not the case's PSU, because I cannot wait too much longer, and I don't make an awful lot of money, and PSU's are looking expensive at Newegg and Tiger). I tried replacing RAMs from other units as well, but that did not solve the problem. I removed all peripherals, USB and fan connectors, RAM and hard drives and still not turning on. (I'm building a PVR). Motherboard on but not booting I have plugged in everything and then turned on my computer according to the instructions for first time boot up. Help my laptop's screen isnt showing any display but lights are on and fan is spinning: Laptop not loading, fan spins, hard drive spins,stops and repeats without sending signal to the screen: Laptop black screen fan spin at full speed non-stop: Laptop turns on. After firing up all fans and lights work except for GPU fans. There is no display with the GPU installed or uninstalled. yeah....), They will be picking up a multimeter to check it out (Always nice to have one around anyways lol, http://www.esaitech.com/images/detailed/3/GGG/img54820.jpg, That is some bad planning on Dells part then lol Thanks for that info, I'll have her look at the capacitors near the CPU extra carefully :). Japan's asteroid return mission arrives on Earth, YouTube will ask users to rethink before posting potentially offensive comments, Cyberpunk 2077's exact launch and pre-load times detailed, PC won't boot - No video, no beep, but fans spin, https://en.wikipedia.org/wiki/Dell_XPS#XPS_630, http://www.digitus.info/en/products/accessories/misc-accessories/pc-atx-power-supply-tester-da-70601/. Now onto my problem... the other night I was sitting at my computer, happily playing EA Sports MVP Baseball 2005. 3, Bios could be corrupted or possibly blown. Try hitting the on switch again. Quick sum up of my system - running WinXP on Intel Pentium D 840 3.2 ghz processor / Intel D945GPMLKR Socket 775 mobo / 2 GB PC4200 DDR2 RAM / ATI Radeon X700 video with 256 MB GDDR2 RAM / and then the usual optical connections + a TV tuner card. If not you'll get the next step to try [we are doing fault isolation, if it isn't obvious]. As of December 1, 2020, the forums are in read-only format. It was displaying the debugger light for the CPU. I'd go for the minimalistic route. Poor Dell onsite tech, horrible job! I had this happen to over 150 Dell Optiplex GX520 units. THe processor WAS fine 2 hours ago, it was in my desktop. like the HDD LED lights and all that (wanted to go for the basics), and even switched orientation on the PWR cord, but it won't turn on still (I'm thinking that something became unplugged on the other end on this cord, because I heard a snap last night when trying to get this to go when I pressed the power button). Screen does not power up but fan and hard drive spinning. After that, the experience I had is similar to what was earlier discussed... the mobo's LED light beside the 24-pin main power connector is illuminated, the LED indicators for the LAN connection are illuminated, and - most frustrating of all - when I press the power button, the front-of-the-case power LED comes on, but nothing else happens. You can tr… I've got the POST test card now and some of the lights stay lit on it but it doesn't seem to show any codes just four lines in the led display where the codes are meant to be. If yes let us know. I reseated the RAM and the connectors and still nothing. ALL RIGHTS RESERVED. [they replaced it] The Power Good line should change state about 100 to 500 milliseconds after the supply mains start. It worked. And no, didn't try just 1 ram module, but I'll have her try that as soon as she can. I would power it on but only fans would work, on-board LAN worked too (i think, because its LEDs are flashing), but no power for the keyboard and mouse. Hey there. Just a tiny, tiny brownish spot on the tops of them and they're toast. I took it to a computer repair shop & they said I needed a new motherboard. Then I put the CPU back in, put the cable for power for the motherboard into the PSU, then put the CPU power cable into the PSU, and plugged that into MB, and then I turned it on.

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