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We mounted our LG flat screen, and now the power is not turning on. Everything is plugged in the way it was before we mounted it. any suggestions?

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Check the cables if the problem persists then dismount the screen and try

Posted on May 13, 2008

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How to build?


So you want to build a desktop computer from scratch? With the general transition from desktops to laptops, the prices on desktop computers have taken a dive in recent years and the individual bits of hardware diving with them. However, desktop computers give you a wider array of options, including bigger hard drives and generally more powerful equipment for a smaller price. Of course, building your own gives you more control over the options, and will usually score you better parts. A bonus is once you learn how to do this, you will also never need to pay for servicing again. Buy your parts. The quickest and most cost-efficient way to do this is to visit a local computer show. These shows are advertised on television and on the Internet. Take the shopping list provided above, and come home with everything. You'll want to purchase last year's parts, rather than the latest and greatest thing in order to save money. For the most part, the best thing costs twice as much as the next best thing, and then everything else costs roughly the same. Buy the second or third best part; it's usually an older model that's just as good as the newest, but maybe a tad slower or missing a feature you wouldn't use anyway. Purchase your CPU, RAM and motherboard all from the same place and ask advise when you do; this will avoid having incompatible parts. Install them all into the case. First, mount the CPU into the motherboard. Consult the directions before doing so, but this is a relatively easy process, and most CPUs can only be installed one way. Then, mount the fan above the CPU according to directions. Follow the directions precisely. If you don't, your CPU will overheat and your computer might catch fire. Finally, mount the RAM into its slot. Like the CPU, these can only be mounted one place, one way. Then screw the motherboard into the case. Then mount the hard-drive, DVD-ROM and the power supply, if it isn't already mounted. Hook everything up. First, connect your hard drive to the motherboard by hooking it into the primary IDE slot, followed by the DVD-ROM into the secondary spot. Your case will have several tiny wires that each need to be individually hooked into the motherboard. These wires will be labeled, but the slots will not be labeled directly on the motherboard. Consult your motherboard's manual; there will be a chart you can use as your guide. If you get one wrong, flip it over and try again; don't worry, you can't blow anything up if you get any of these wrong. Connect your power supply to everything in the computer. First, there will be a unique plug of 20 or 24 connections; connect this to your motherboard. You might need to purchase an adapter if it doesn't work right; some power supplies use 20 connections and some motherboard use 24, and vice versa. You can purchase this at any local computer store. There might be another motherboard plug which has four connections; find this and connect it if necessary. Next, connect power to the hard drive and DVD-ROM. Any of the remaining plugs should work for these purposes. Connect your monitor and speakers. Look for the appropriate plugs on the back of your computer. Then turn on your monitor and speakers. Plug in your computer and boot it up for the first time. You will need to enter the computer's setup, which is fairly easy to navigate. Change the settings to accommodate the hardware, if it hasn't detected the settings already. Reboot the computer with the Windows CD installed in the DVD-ROM. Follow the on-screen instructions to complete installation.
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Feb 10, 2013 | Computers & Internet

1 Answer

Power button not turning computer on


this is most likely a short in a computer component, You need to unplug everything from the computer incl CPU, Memory, Add on Cards, Hdds, the lot, just have motherboard plugged in and push power, if it powers up (there won't be a pic but you will know it's working) start replacing parts one by one until it won't start and that is the faulty part. If it does nothing with just motherboard plugged in the motherboard is at fault and needs to be replaced, If you have had the motherboard out make sure no of the metal mounts in the case are shorting out anywhere under the motherboard as this will also cause the same fault.

Mar 06, 2012 | Acer Aspire Z5600 PC Desktop

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My desktop will turn on but the screen mouse and keyboard dont, i dont know whats wrong.. A while back my old nvidea 9800 burnt, I bought a new 9800 gt, it powers up fine but i still can't get anything to...


have you tried hooking an external monitor? if still it does not have any display, i think its the slot that is having the problem. you also said it was not recognizing kb and mouse, so probably usb port or ps2 port is damaged too. i suggest you have your motherboard replaced. or, first, try updating your chipset driver.

Apr 08, 2010 | Computers & Internet

1 Answer

Hp Pavilion a350n shutdown and will only boot up to a blankscreen, (no Windows logo) there is not beep, no indication of any problem, power is good, video card is good (tried three cards), switch monitors,...


I assume by power is good you mean when you press the power button on the pc it spins up.

1) unplug all the components such as hard drive, floppy and USB from the motherboard.
(so you should only have the VGA, monitor and motherboard with RAM and CPU.) turn it on and see if you get a screen. if you don't there is possibly a problem with the motherboard.

if you do get some display on the screen 2) switch off and plug in one component at a time and then switch back on. if it works turn it off and plug in the next component and turn it back on. repeat until you find the faulty component that cause it to not turn on.

Dec 16, 2009 | HP Pavilion a350n PC Desktop

2 Answers

Compaq presario sr1950 nx desktop - won't start


My suggestion would be to open the case and unplug everything and then plug it all back in again.
To test individual components, unplug everything but the CPU, memory, and video card to see if it starts.
Then one by one, plug the other stuff in and try starting again.

Nov 07, 2009 | HP Compaq Presario SR1950NX PC Desktop

1 Answer

Flat screen monitor functioning strangely


Sounds like there maybe bad caps on the power board in the LCD. Try a different monitor on your computer and if the known working monitor comes on with the computer and behaves properly then you know its a problem with your original monitor. If the known working monitor acts strange as well then you know its a problem with the video card. Let me know what happens.

Jun 11, 2009 | E-Machines eMachines Desktop PC

1 Answer

Well my toshiba satellite u405-s2820 turns on but the screen is just black... what I'm I to do??


Firstly unplug everything from the laptop (even the power) and remove the battery, hold the power button down for 10secs then plug the power back in only, see what happens...

If nothings changed...
Try and plug a normal monitor into the VGA port and turn the laptop on;
you will get the toshiba POST screen if the graphics card still works (then the actual screen is at fault)
if you dont then the graphics card is at fault..


[Just a thought... does the laptop bleep when you first turn it on?]

Let me know how you get on...
Matt

Dec 07, 2008 | Computers & Internet

1 Answer

Replaced 128mb with 512mb in Dell Dimension 4400. Plugged everything back in & turned on. Or at least think it is turned on; there is a green light for both the power button and hard drive lights. ...


If you have replaced the memory on a computer and it does not turn on normally that means that either the memory is defective or it is not compatible. Do you hear beeps when you turn on the computer?

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