Question about Gateway 450ROG Notebook

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Replace motherboard I feel comfortable working with new hardware for my computers, but I don't know all the cautions. I possibly need to replace the motherboard in my Gateway 450rog. Can you give me specific instructions how to do this? thank you. Claudia

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You need to look for a disassebly manual or instuctions for that model, these type of manuals are hard to come by so i'm affraid it could be trial and error, make a note of what your doing, assemble the screws in order of how you removed them, draw a simple diagram of the laptop layout as you take it appart so you know where the screws came from, there are also delicate ribbon cables underneath the keyboard, so take care to be gentle and be patient, you will get there if your competent enough as you describe

Posted on Nov 15, 2008


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Dell PP29L pwers on but screen remains black

If all the answers above do not work, it is possible that your video chip is failing. Laptop video chips are embedded in the motherboard. Over time, too much heat becomes an issue and begins to warp the chip and it begins to lift up slightly from the motherboard creating issues with blank screens when powered up. I've had the same problem with several laptops brought to me for repairs and 90% of the time it was the video chip. For this problem you may need to replace the motherboard with the same exact motherboard which you can find on ebay fairly cheap, and then if you don't feel too comfortable opening your laptop take it to a computer repair place and have it replaced.

Nov 16, 2012 | Dell Inspiron 1000 Notebook

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Front panel cords

If your computer beeps when you start it but does not display anything on your monitor:
a. Disconnect and reconnect your monitor from your computer.
b. Verify that your monitor's power cord is connected and that your monitor is turned on.
c. If possible, connect your monitor to a different computer to make sure that your monitor works properly.
d.If your monitor works but your computer beeps and displays nothing,your video adapter has probably failed. If your computer is underwarranty, contact your computer manufacturer for support. If yourcomputer is not under warranty, and you are comfortable opening yourcomputer's case and replacing internal hardware, purchase and installa compatible replacement video adapter. Otherwise, contact a servicecenter for assistance. While replacing a part is a nuisance and may becostly, your documents, pictures, and e-mail should be safe and will beavailable when your computer is fixed.
Ifyou see an error message that indicates that a keyboard is not presentor a key is stuck, turn off your computer and reconnect your keyboard.If the problem continues, replace your keyboard.
Sometimesyour computer won't start because your computer is not compatible witha hardware accessory. If you have recently added a new hardwareaccessory, turn your computer off, remove the accessory, and restartyour computer.
Removeall hardware accessories except your keyboard, mouse, and monitor. Ifyour computer starts successfully, shut down Windows, turn off yourcomputer, and add one hardware accessory. Then, restart your computer.If your computer fails to start, the hardware accessory you mostrecently added is causing a problem. Remove the hardware and contactthe hardware vendor for support. You can reconnect other hardwareaccessories.
Youmay have a loose connector. Turn off your computer, remove allconnectors from the outside of your computer, and then carefully pushthe connectors back in. Look for stray wires, bent pins, and looselyfitting connectors.
Ifyou are comfortable opening your computer's case, shut down yourcomputer, unplug the power, and open your computer’s case. Remove andreconnect all cables. Remove and reconnect all cards inside yourcomputer, including your computer’s memory chips. Reassemble yourcomputer before attempting to start it again.
If your computer still doesn't start, your motherboard, processor, memory, or graphics card may have developed a problem. Contact technical supportfor further troubleshooting assistance. While failed hardware can befrustrating, your documents, pictures, and e-mail should be safe andwill be there when your computer is fixed.
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Sep 27, 2008 | Gateway 830GM PC Desktop

1 Answer

Continuous beep at startup, system respond very late. window aero says to disable it. disable or not disable problem remains same. after 10-15 minutes system gets normal

WARNING: Before you start troubleshooting remember that you are dealing with electricity that can KILL. - rules

Make sure the computer turns on, if nothing happens (no lights, no sound, no fans, etc.) the computer has a power related issue.

Caution: Some of the below steps recommend removing physical parts within the computer. While in the computer it is highly recommend that you be aware of eloctrostatic discharge ESD and its potential hazards.

Remove new hardware

If any new HARDWARE has been recently added to the computer, remove that hardware to make sure it is not the cause of your issue.

If after removing the new hardware your computer works it's likely the computer is either not compatible with the new hardware or a system setting needs to be changed to work with the new hardware device.

Remove any disks or USB devices

Remove any disks, CD's, DVD's that are in the computer and if any USB devices (Ipods,drives, etc) are connected disconnect all of them as well. Reboot the computer and see if anything changes.

Disconnect external devices

Remove everything from the back of the computer except the power cable. Turn on the computer and see if it beeps normally. If the computer has never beeped keep the monitor or display connected to see if any change occurs.

Check all fans

Make sure all fans are running in the computer. If a fan has failed (especially the heat sink

fan for the CPU)

your computer could be overheating or detecting the fan failure causing the computer not to boot.

Check all cables

Verify that all the cables are properly connected at that there are no loose cables by firmly pressing in each cable.

All disk drives should have a data cable and power cable connected to them.

Your power supply should have at least one cable going to the motherboard.

Many motherboards may also have additional cables connected to them to supply power to the fans.

Disconnect all expansion cards

If the above recommendations still have not resolved the irregular POST, disconnect the riser board

(if applicable) and each of the expansion cards.

If this resolves the issue or allows the computer to POST connect one card at a time until you determine what card is causing the issue.

Disconnect all drives

If you were unable to determine by the beep code what is failing or do not have a beep code disconnect the


or other data cables from the cd rom and hard drive

and floppy from the motherboard.

If this resolves your irregular POST or generates error messages re-connect each device until you determine what device or cable is causing the issue.

In some situations it can also be a loose cable connection that causes the issue.

Remove the RAM

If you continue to to receive the same problem with all the above hardware removed, disconnect the RAM

from the Motherboard and turn on the computer.

If the computer has a different beep code or if your computer was not beeping and is now beeping turn off your computer and try the below suggestions.

Making sure to turn off the computer each time you're adding and removing the memory and then turning the computer back on to see if the suggestion resolves the issue.

Re-insert the memory into the same slot.

If you have more than one stick of memory remove all but one stick of memory, try rotating through each stick.

Try one stick of memory in each slot.

If you're able to get the computer to boot with one or more of the sticks of memory it's likely you're dealing with some bad memory.

Try to identify what stick of memory is bad and replace it.

If you're able to get memory to work in one slot but not another slot. You're motherboard is defective you can either workaround the issue by running the memory in a different slot or replace the motherboard.

Power cycle the computer

In some situations a computer may have power related issues often caused by either the power supply or the motherboard.

To help determine if this is the cause of your issue try turning the computer on, off, and back on as fast as possible, making sure the computer power light goes on and off each time. In some situations you may be able to temporarily get the computer to boot.

This should only be used as a temporary workaround if you're able to get this to work. Often this is good for users who may have not done a backup and need to get the computer up one more time to copy files before starting to replace hardware.

Disconnect and reconnect the CPU central processing unit

For users who are more comfortable working with the inside of their computer or who have built their computer one last recommendation before assuming hardware is bad is to reseat the CPU

by removing it and putting it back into the computer.

Bad motherboard, CPU, RAM, or power supply

If after doing all of the above recommendations you continue to have the same issue unfortunately it is likely that you have bad MOTHERBOARD,PSU,CPU and RAM

The next step would be either to replace these components or have the computer serviced.

If you plan on doing the repairs yourself or you are a repair shop it is suggested that you replace the Motherboard first, RAM, CPU, and then power supply in that order or try swappable parts from other computers.

hope this helps

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When I turn on my ps3 the fan runs for a few seconds then shuts off along with the green light.

It seems as a hardware problem, if you still have warranty you should contact SONY and they will replace your PS3 with a new one. Otherwise, you can try opening it and cleaning the fan if you feel comfortable with this or have an expert open it if you don't.Philip

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My desktop pc was in standby mode the other day when we had a power outage and on the front of the pc (the power button) is blinking a blue light and on the back it is green (by the power cord) i cannot...

If the computer was not plugged into a surge device it is possible that the power supply was damaged, hopefully it did not fry all the components, try replacing your psu or having it replaced.

Mar 16, 2011 | Computers & Internet

1 Answer

My computer will not turn on. The 3 lights in the bottom left corner flash but still the computer will not turn on?

If you've got lights, then you probably have power, and the power supply is not the issue. I'd check the monitor by swapping it out with another one, just to insure that it's still working. If you can hear your hard drive spinning when your computer tries to boot, then its possible your hard drive got fried somehow. If you hear nothing, or maybe just hear a fan buzzing inside the PC, there's a good chance that your motherboard is shot. I've had this happen twice, due to static discharges or power outages. If the northbridge chip on the motherboard is gone, you're probably going to need a new motherboard (unless you know your way around a soldering iron).

If you are comfortable with it, disassemble your computer, and check the parts against other computers, i.e., check if the hard drive works by putting it inside another working computer. And by the same token, take a working hard drive, power supply, ect and put it in your non-working computer, and see if it boots.

If you've still got nothing, i'd bet on the motherboard, but if you want a second opinion, take it down to your local computer store, and have them run a check on it. Most places will only charge $50 or $60 bucks to run a hardware diagnostic to see what parts may or may not be working, and knowing for sure beats buying new parts which may or may not be damaged. Good luck!

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**WARNING** Do NOT open your computer unless you are properly grounded to your computer via ESD Bracelet. any static that is discharged (Usually you don't even see or feel) can damage computer components. Please use extreme caution when working inside a computer.

Ryan Frame
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Sep 03, 2009 | Intel Server Board SE7501BR2 Motherboard

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Sounds like you may need a new power supply for your computer.

Here's a link for reference

If you are not comfortable taking your pc apart you should take it to a repair shop.

May 22, 2008 | E-Machines eMachines Desktop PC

1 Answer


If you feel comfortable inside of a computer, open the case, take out and put back in the video card, making sure that it's seated firmly in the AGP or PCI slot. If there's no video card (onboard video), check to see if the connection on the motherboard is getting loose.

Other than that, check the cable at the back of the monitor, and the pins at the end of the cable. It's possible that a pin is bent/damaged in the connector, and the monitor only works when the cable is in the right position and you hold your breath and there's no wind....

Let us know what you find, and please leave a rating if you find this helpful.

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1 Answer

Computer problem

There's a number of possible problems. A momentary press of the power button will probably not turn the computer off, in this state, but holding it for 4+ seconds usually will. Did the computer work previously? If so, did something change recently? Usually, this sort of problem will arise after a hardware change; e.g. installing more RAM, changing something in the BIOS settings, installing a new video card, etc. If nothing changed (including things you may not have been aware of), and the computer just stopped working, then a part may have failed, possibly due to a power surge or similar. Depending on your computer knowledge, comfort with working on your computer, and whether there's any warranty in effect, would determine any additional action. Please provide additional details.


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