Question about Dell Dimension 8400 PC Desktop

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Power button blinks and then goes blank. the power on the computer was turned off immediately and the computer never powered down properly.

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The power supply(SMPS) inside the cabinet(CPU)needs to be replaced with a new one.Buy one with the same ratings(wattage). If one can still buy the same manufacturer & same model.........sodeep

Posted on Sep 25, 2009

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Had the same problem, its actually an issue with the motherboard, but just to eliminate that possibility, just get your computer power supply (you will find this inside the tower) checked first by a qualified technician

Posted on Sep 25, 2009

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1 Answer

Samsung S27B350 monitor intermittently goes black and has a constant flutter. Could this be a capacitor problem.


I think I have the solution for this. I just purchased a monitor and it immediately began to flicker and then blank the screen. I pulled it apart, but to no avail.
The problem is caused by the computer powering down the monitor, for example a laptop will power down the monitor to save battery life. It is the awakening of the monitor that causes the flickering. Obviously there is a software bug in the firmware that will not allow it to synch properly. The fix is pretty obvious, just stop the computer from powering down the monitor. You can still blank the screen using a screen saver, which is what I have done, but you are not getting the full power saving.
I hope this helps someone else - it drove me crazy for a day or so.

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Picture & sound go on & off every sec, red light blinks 5 times


helloFive blinks - AKB circuit (automatic kine bias), the timer/standby indicator blinks for about 30 seconds then goes to the self-diagnosis function. Something is wrong with the video. Check video out, Q705, 732, 761 and other components on the C board, also check Q218, 219, 220 on the A board. In addition, unit could be in IK blanking, try turning up screen slightly.

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My monitor goes blank and the power light blinks on and off and the power switch does not work? I have to unplug it and wait a few minutes then turn it back on and it will work for acouple of hours then go...


The problem is with the power board inside the screen, when it gets hot it shuts down the screen unit it cools off.
It could also be that the power in is not connecting properly to the board i had that before and had to replace the screen it is cheaper in the end parts are to axpensive

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Princeton LCD17 blinks off immediately


Check the VGA cord that connects from the PC to the LCD, try putting VGA cord properly to the LCD and PC, or change the VGA cord. saving mode indicates no signal from the PC. So either the PC is not booting up or VGA cord faulty.

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LCD blank screen, blink white


blank_page Use a reset sequence on the monitor-
1. turn off monitor
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1 Answer

Computer Won't Power Up


If the blinking amber LED is on the computer itself and not the monitor, this is most likely a power supply issue. First thing to try would be replace the power supply. If the blinking led is on the monitor, it probably has bad capacitors and needs to be replaced. (or repaired)

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Blank screen and no lights on keyboard and mouse


*check the power cables

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*check smps is fine

*check power switches are properly connected

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*open the case wheather the connections are properly connected

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1 Answer

Black screen when i turn on computer.


Do a power drain :- Disconnect every cord from the back of computer tower while the pc is oiff and then press and hold down the power supply button in front of the tower..
have u tried updating the bios any time before?
Secondly,is it possible to go to the safe mode or the screen goes blank even before that?

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