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Dell DHM has no display output. Key board and mouse lights go on then off after a bit. Reseated RAM sticks, swapped processor, fans all spin, but no display. A,B,C,D light on back all green. Help?

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How do you reset the graphics and chip

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Try to reseat the graphics card/chip

Posted on Jul 27, 2009

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Gateway GM5442 PC Desktop Won't Boot!


3 BEEPS -RAM

Guest Posts: n/a 01-24-2005 We had a power failure in the office this weekend. All the systems are back
up and running fine, except for the receptionists. It's a Gateway
Professional Series. P4 1.3 Ghz. It is giving me three beeps. No boot up
screen and no video source (monitor light stays yellow instead of turning
green). I looked up the beep code and it says three beeps means the ram
needs reseated. Which I have done several times. Also, I have just put in
one stick in difference seats. I have also reseated all the cards at least
three times. I have switched the jumper to try to boot into setup mode.
Nothing there either. Popped out the cmos battery and put it back in. No
good either.

Has all the ram been fried? The fan on the cpu is still spinning. The cd-rom
ejects. I can't hear the hard drive spinning. I guess I can swap the hard
drive for a different one.

Anything I'm missing? YEP
http://support.gateway.com/s/MOTHERBD/INTEL/m00262/beepcode.shtml

Apr 06, 2012 | Gateway GM5442 PC Desktop

1 Answer

Turned computer on and monitor instantly goes to sleep,also cant turn off the computer using button.have to use switch on power supply


Try this, unplug everything from the other board except the main hard drive, power connections, and monitor. if it does not come up, remove ram cards, leaving one stick. try again, if it is still bad swap ram sticks. If after all of this it still does not work you have a bad motherboard or processor

Nov 14, 2011 | HP Compaq Presario SR5210NX Desktop PC...

1 Answer

P4M900T-M2 Motherboard cant display anything on display, Power supply fan & CPU fan is running. I changed processor, RAM, Power Supply, Capacitors around CPU, but am still getting nothing on the...


It seem that changing the mother board was needed to confirm as there seems to be a problem related to non communication of the mother board with the CPU, RAM and sections.
Swap and confirm.

Aug 08, 2011 | Computers & Internet

4 Answers

Dell D600 won't boot


I am sure Not the CPU or fan problem. Follow the below step to repair it.
1. Just press the power button 5 seconds or more to see the laptop can reboot or not. 2. replug the memory modules. 3. maybe the power supply device failed that the electronic volt is not enough to boot the laptop. Just replace a new Dell latitude d600 battery power supply.

Jul 28, 2010 | Dell Latitude D600 Notebook

1 Answer

Won't post, no beep. No display on monitor. Tried different AGP video card, different memory. I have unplugged everything but the AGP card and hard drive. The monitor works on a different computer so...


Basically, display card, RAM and processor are the ones affecting the display. IF trying different memory and video card doesnot help. Try changing the different processor. Thanx with regards Sajan

Jan 21, 2010 | Abit IC7-MAX3 Motherboard

1 Answer

PC will not power up. No fans, lights, anything.


Have you tried a different power cord? (longshot, I know, but it is one of the variables that you don't mention)

Have you tried a different A/C outlet?

Dec 22, 2009 | Computers & Internet

3 Answers

IBM ThinkCentre A51 PC Desktop won't boot motherboard power supply is good fan comes on. hard drive is spinning no video no audio or beeps


This could still possibly be a bad power supply, even if the fans and drives spin up. If you have a spare try hooking it up.

the list of things that can cause this are:

bad power supply
bad ram
IDE error (optical or hard drive problem)
bad card (modem, video card etc.)
bad processor
bad board

The first thing i would look for in this case is blown capacitors. Those are the little things on the board that look like little soup cans, usually with silver tops. If the tops of any of them are bulging or have junk leaking out of them, you have a bad board. If you are handy with a soldering iron you can try to replace them. Not sure if radio shack still sells caps, but they are easy to find on line. I have about an %80 success rate fixing boards in this way.

If the PS change doesn't work, then try it with different sticks of RAM, if you have more than one, pulling one at a time until it starts or you've tried it with all the ram. If not ram, disconnect the ide cables from the board, these are the wide ones usually connected to the HD's and optical drives. If it still doesnt start then pull all the cards. If it doesnt start then, try swapping processor and if still no joy a new board.

Sep 05, 2009 | IBM ThinkCentre A51 PC Desktop

1 Answer

Ms7241 mobo no post no display


I'm just going to post some stuff, and you see what you may think may help.

1.I hope you observed the anti-static guidelines, or you have silently toasted your delicate computer components. Static will silently fry them out. You won't see it or feel it.

(Reseated CPU? Static will fry that thing out F-A-S-T! Didn't clean the top of the CPU, and the bottom of the heatsink, and apply new thermal paste? CPU is fried. Takes about 10 minutes or so for an Intel. Takes about 20 to 30 seconds for an AMD!)
2.Floppy drive has no power? It attaches straight to the PSU. Either it is bad, or the PSU. Even if you swapped PSU's, it doesn't mean the one you installed is good.
If the PSU has a weak voltage rail, it won't give enough wattage to the processor.

A.ALL the lights use less than 1 watt.
B.EACH fan uses 2 to 3 Watts.
C.A harddrive sitting there spinning, because there is no processor to tell it what to do, uses about 2 to 3 Watts. (Read on)
D.When BIOS tries to turn the processor on, it can't. Why? Because processors use anywhere from 55 watts to 125 watts. Depends on the processor. If the PSU has a weak voltage rail, the processor won't turn on.

Jul 06, 2009 | Computers & Internet

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