Tip & How-To about Computers & Internet

General Maintenance of your Computer Hardware.

Once in a Month.
1. Unplug all the connections from the system (Note: Make sure the system is off and the power supply is turned off, and before removing the connections carefully make a note of what all connections removed from the points, especially USB cables)
2. Open the back cover by removing screws or any locks present (See manual of the respective brand to open the cover)
3. Using the vacuum cleaner or Blower, use the Blower side and blow all the dust present on the motherboard, SMPS and especially near the Heat sink of the Processor fan.
(Note: In any case do not use the Blower section to dust as it may even pick the jumpers on the Motherboard. Also make sure while blowing the dust, in hurry dont touch the Motherboard keep it atleast 10cms distance and blow in order to avoid any scratches or damages to the Motherboard)
4. Finally fix back the back cover and connect back all the connections as it is position.
This helps in avoiding any errors generated in OS due to Hardware and also avoid getting hardware malfunctioning too.

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2 Answers

how can i reboot my PC without keyboard?


Hi,

Here are some of the steps to you can reboot your pc without using a keyboard:

1) Long press the power button
- Press the power button for about 3-5 seconds. If the power LED or power supply fan shuts off, that means you have successfully turn off your pc. Press it again to turn on.

2) Unplug the power cord from the power supply
- Force your pc to shutdown by unplugging the power cord from the power supply of your pc. Put it back again and press power button to turn on.

Note: Please make sure you have saved important activities before doing this as this will immediately turn off your pc.

Hope it helps.

Thanks!

Feb 22, 2011 | Computers & Internet

2 Answers

computer wont turn on, power light in back goes out when you press power,


Hello and thank you for using Fixya's services.

You will need to replace the power supply unit in your desktop. These can go out due to dust, power surges or other faulty hardware.

Go to manufacturers website and look up replacement part. Go to ebay and run a search for power supply. You will pay 75% less than purchasing from OEM by getting from eBay.

Once you get the power supply in, unplug the computer, open the case and make sure you are grounded. Get a pen and paper and make note of where the power supply ends lead to (this will make the installation of the new power supply less complicated). Double check everything before plugging in.

Please let me know if you have any questions.

Nov 02, 2009 | HP Pavilion a400n (DQ173A#ABA) PC Desktop

1 Answer

NEW BIOSTAR MOTHERBOARD DOES NOT BOOT


Good day sir, let try to test first the power supply, Unplug the power cord, remove the 20 pin (24 pin for the late model) molex power connector from the motherboard, plug in the power cord, get a 2 to 4 inch jumper wire, short the green wire with any of the red or black wire on the molex 20 pin power plug, the result maybe the following:
  1. you will see the power supply fan turn. you power supply is in good order. replug the power supply, and test again.
  2. you will see the fan turn for a few second then stops. you power supply is selective, and may require a different type of motherboard. Get a new one.
  3. you wont see the fan turn at all. get a new one.
If in case you are with #1. uinplug the power cord and remove all the expansion cards, data cables from the hard disk and cd drives. we are trying to isolate the problem. make sure that the only connected cables on the motherboard are as follows:
  1. 20 pin power cable.
  2. 4 pin 12 volt power cable (if applicable)
  3. speaker
  4. power switch
  5. power led
Test the pc once more. plug in the PC. If still the board wont power on. problem with your motherboard. Note:make sure your RAM is good. Hope this helps.

Aug 26, 2009 | Biostar I865GV-M4 (MB865GVM4) Motherboard

1 Answer

I have a Lexmark X3470 and it won't turn on?


Please follow the instructions given below to troubleshoot the power issue:

1. Connect the printer directly to the power outlet. Surge protectors can actually draw power away from the printer. If this fails, please try multiple power outlets to ensure your specific outlet is not damaged, and make sure the printer is not connected to the PC while testing the unit.
2. When trying to power on the printer, feel the power supply box (if there is one) and note whether or not it is warm. If it is warm, the problem is not in your power supply, but most likely in your printer. If it is cold, the power supply might be defective.
3. Ensure you have the correct power supply connected to the printer.
4. If you have access to a voltmeter, please ensure that the power supply is giving out the correct amount of voltage (most of our printers use 30 volts output).

May 15, 2009 | Lexmark X3470 All-In-One InkJet Printer

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