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No power to monitor. Is there a fuse? - Computers & Internet

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Check the back cord of the monitor it might be loosened

Posted on Jul 02, 2009

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My hp moniter is not working after a thunder in the night


Monitor is defective,First of all replace a.c lead (mains cord) If monitor does not on remove back cover (but it can be dangerous voltage stored in power supply) and check fuse if open replace with new fuse.After replcement fuse monitor is off power supplycan be defective.consult a qualified Technician .

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The problem is most likely a blown transformer, rectifier chip, or diode in the power supply. Most monitors do not have fuses.

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There is zero power to the monotor. I tried a new cord and tried the cord from the monitro on something else. Cord works...outlet works...It is the monitor itself. The little round on/off button DOES NOT...


The monitor has a power supply problem, if you are very lucky it might be a fuse. To access remove back cover follow the power cord to the power module and there should be a fuse close by, if changing fuse fails, replace monitor "repairs not cost effective"

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I have an Acer AL1916W monitor. After the breaker tripped to the room where the computer is located, the monitor will no come on. It's as though it has no power supply. The monitor was not the reason for...


The power supply has been compromised, if you are very lucky the fuse needs to be changed, in order to check this, remove back cover and follow the power cord to the power supply, see if you can find a blown fuse, replace to see if it will power up, if not probably more cost effective to replace monitor.

Jan 03, 2011 | Acer AL1916W 19" LCD Monitor

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How do you restart a nec lcd monitor, had power surge everything but monitor gets power?


The power surge probably blew the fuse inside the tv, first check the fuse inside the mains plug, if that is good then you will have to take the back cover off the tv, you are looking for the power board follow the mains cable into the tv and you will find it. Look for a fuse on the board, pop it out of the fuse holder, if you have or can get hold of a multimetre check the fuse for continuity if it hasnt you will have get hold off another fuse, you can normally get them from your local electrical repair shop, they dont cost much and the liklyhood is they will probably give you one free of charge.

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Monitor doesnt turn on


From your description, it sounds like the internal 5 Amp cartridge fuse is open. Will need to open the housing and inspect the fuse for failure. If located and failed, replace it and energize the monitor.

If the fuse fails immediately, you have a High Voltage power supply short and the monitor is scrap. It will cost more to replace the power supply/transformer than the monitor is worth.

Hope this provides some useful information.
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Oct 17, 2009 | ViewSonic OptiQuest Monitor

1 Answer

L17T


If you can open the cover of your monitor try to locate the fuse maybe the fuse is busted replace it.
if the fuse is blown or busted again there is short circuit in your power supply maybe the diode or the power transistor is shorted you need this to bring to the shop for services

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Had a power outage, acer monitor will not power up


Normally there is a fuse that can be replaced inside on the power supply board. The are usually "slow blow" fuses and need to be replaced by an equivalent fuse. Many monitors have a soft switch which is controlled by the main board that tells the relays to supply power from the power supply. The CMOS devices on these boards are very suceptible to static so ground your hand to the chassis before touching any boards. If the backlight is out but there is a faint image on the screen when you look at it closely then the inverter board or CFT tubes are suspect. BTW: watch the Power supply and inverter boards as the caps stay charged and could result in electrical shock. Good luck. Hope this helps.

Jan 03, 2008 | Acer AL1715 (Black, Silver) 17" LCD...

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monitor problem any short circuit may be in secondrry side of monitor

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