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Computer hardware troubleshooting guide pdf

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Idenrfy computer hardware Issues/Problems determine faulty Computer computer i.e. the components that can be seen and touched. Examples of Hardware are .. Alerts for Updates, Manual Upda$ng, Offline. Upda$ng. The level of troubleshooting most often performed on PC hardware is produces a wizard that guides the process for changing the drivers for the card. Many computer problems appear more serious than they really are. your surge protector takes the hit saving your more expensive hardware from the voltage.

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PDF | In computer domain the professionals were limited in number but the numbers of institutions Troubleshooting faced problems in manual way is not. PC Troubleshooting and Maintenance Guide iii. PC Maintenance. .. 2 Click the Hardware tab, and then click Device Manager. 3 Click the plus sign (+) next to. Troubleshooting is the process of figuring out how to solve a computer problem. updated software and hardware, occasionally computers can malfunction.

No display. Reset or replace graphics adapter. Check whether the RAM card is fixed properly. Improper drivers or in compatible hardware: Update drivers and check for compatibility issues. No Fan. Motherboard not configured properly.

Make sure the computer is on and you see lights on the front of it. Check the cable that runs from the monitor to the computer to see if it has worked loose.

Check to see if the brightness has been turned entirely down. Make sure you check the brightness and contrast buttons or settings on the monitor.

Common Pc Hardware Problems & There Solutions

Check to see if the computer in Power Save or Sleep mode. Move the mouse or press any key on the keyboard to see if the computer will "wake-up. Verify that all cables and cords leading in to and out of your computer to insure they are all in tight and not disconnected. Secure the following to the computer: Monitor Mouse Keyboard Printer Network cable to computer and wall Blue Check to see if the monitor goes black just as Windows is loaded.

This could indicate a problem with the video card driver or settings in Windows. Since you can't see to get to the settings, this is difficult to fix without a visit from technical support.

Symptom The screen is not synchronized Diagnosis Check to make sure the signal cable is firmly connected in the socket. Check that the output level matches the input level of your computer. Make sure the signal timing of the computer system is within the specification of the monitor. Symptom The screen is too bright or too dark Diagnosis Check if the Brightness or contrast control is at the appropriate position, not at the maximum or minimum.

Check if the specified voltage is applied Check if the signal timing of the computer system is within the specification of the monitor. Especially, check the horizontal frequency.

Symptom The screen is shaking Diagnosis Move all objects that emit a magnetic field, such as a motor or transformer, away from the monitor.

Check if the specified voltage is applied. Check if the signal timing of the computer system is within the specification of the monitor.

Printer Troubleshooting Symptom The Printer is not printing Diagnosis Check to see if the printer getting power If there are no lights or no display on the front of the printer, the printer is not getting electricity or power.

Check to make sure the power cord is plugged in both to the wall or power strip and to the back of the printer. Wiggle the power cord where it plugs into the back of the printer to make sure it is not loose. Some models of desk jets have a two part power cord.

Pdf computer hardware troubleshooting guide

In this case, check along the length of the power cord to make sure both parts are plugged in together. If the printer is still not getting power, plug the power cord into a different outlet on the power strip. If this does not work, try plugging the printer into a different wall outlet. Check to see if you can print a Windows test page The windows test page is a basic communication test between your computer and the printer. To print a Windows test page: Left mouse-click on the Start button.

Go to Settings and then select Printers. Inside the printer window, you should see a small printer icon with the name of printer you are trying to print to.

Place your mouse arrow on the small printer icon and right mouse-click. A small gray window should appear and the last choice in the box is Properties. Left mouse-click on Properties. A printer window with several tabs should appear. On the General tab, there is a Print Test Page button in the lower right corner. Left mouse-click on the button. You may click on the "Yes" button on your screen, but the real question is: Did anything print from the printer? If the answer is no, please call or e-mail the Help Desk at x If you can print a Windows test page, try to print from a different program.

If the document does not print from that program, the printing problem has to do with that program. Check to see if there is paper in printer. Is their a paper jam? If the printer has paper in the paper tray, the paper may be jammed or not feeding properly. Take the paper out of the paper tray and check to see that the top piece of paper is not crinkled or bent.

If the printer is a DeskJet, lift open the front cover and look to see if a piece of paper is halfway fed through. If it is, remove paper gently from the top and close.

If the printer is a LaserJet, open the top of the printer and check for paper underneath the toner cartridge. If there is paper there, gently remove it, and replace the toner cartridge. Check to see if the computer getting a signal from the printer. The computer and the printer must be communicating before the printer will print. When you send a document to print, does a small printer appear on the Windows taskbar down by the time?

If this printer appears on the taskbar, the computer thinks the printer is receiving communication.

Guide computer pdf troubleshooting hardware

At this point, the printer should blink lights if a DeskJet or says "printing" or "receiving" on the display if a laser printer.

If the printer is not receiving the communication from the computer, try restarting the computer. After you have logged in, see if you can print now. Check to see if Printer offline or Paused.

If the printer is off-line or paused, the print jobs will just stack up in the print queue but nothing prints. Place your mouse arrow on the printer you are checking and right mouse click.

A dialog box should open. If the printer is paused or offline you will see a black check mark next to the words "Pause Printing" or "Printer Offline. Then repeat steps 1 through 7 again. If the printer is still not printing, please contact the Help Desk at x Check to see if there multiple jobs in the Print queue.

If the printer is a local printer i. Sometimes this will allow the printer to start printing again. Choose the "Clean the Print Cartridges" option. If this does not work, try replacing the ink cartridge. If the new cartridge does not help the streaking, place the cartridge back inside the original packaging and save it until the other cartridge has been used up.

This just tests to see if the ink cartridge is defective. If the printer is a LaserJet, try changing the toner cartridge. If the new toner cartridge does not improve the streaking problem, return old cartridge to the printer and place the new toner cartridge back in its original packaging for later use. If neither option works, please visit the printer maintenance vendor list to schedule printer service.

The printer in spite of everything is not printing? Turn the PC off. If the printer is a local printer, i. After 30 seconds, turn the PC and the printer back on again. Try to print a Windows test page. If the printer still does not print, please contact the Help Desk x Try cleaning the drive with a standard audio CD player cleaning kit.

After cleaning the drive, try to read the CD again. Most of the time a small scratch won't matter. If the CD is dirty, you can clean the CD using a CD Cleaning kit or you can also use a mild detergent, like dish soap, and warm water, wash the CD and dry with a soft cloth.

Try using a different CD-R disk with a different dye under the reflective layer.

You will have noticed that some CD-R disks are blue, gold, green, or even silver colored. Some of the colors have a lower light reflectivity value and an older CD Rom drive may have difficulty reading that brand of CD-R media.

Troubleshooting Hardware Problems

Keyboard Troubleshooting Symptom Keyboard doesn't respond and gives off a constant beeping noise when booting up Diagnosis Check the plug to make sure it's connected securely. Try unplugging it and re-plugging it again. If there is no response, check the indicator light on the keyboard.

Is it on? Do the lights respond when you press the caps lock or the num lock key? If not, maybe your keyboard is broken. Check to see if there a key stuck Gently pry off the cover and clean it with alcohol. Make sure it is not connected to your machine when you are cleaning it.

The space bar frequently comes off track. Gently pry it off, noting which way the bar lies in your particular keyboard so you can replace it properly. Mouse Troubleshooting The mouse is not working Symptom The mouse is acting erratic Diagnosis Reboot the computer and see if that corrects the problem. Symptom The mouse will only move one way, either vertically or horizontally Diagnosis Clean the mouse Shut down your machine and unplug your mouse from the computer.

Guide pdf hardware troubleshooting computer

Open the underside of the mouse and remove the ball. If the ball is a rubber ball, do not clean it with alcohol. Clean it with a soft cloth.

There should be no lubricant placed on a mouse ball. Clean the roller in the body of the mouse with a cotton swab that is slightly damp with alcohol.

Replace the ball when the rollers are dry and replace the bottom portion. To check the video display settings: Left mouse-click on the Start button lower left-hand corner of the screen. Go to Settings. Go to Control Panel. Once in the Control Panel, look for the Display icon. Double left mouse-click on the Display icon. In the Display Properties box, left mouse-click on the settings tab. One thing to note when you first turn on the computer and the power comes on, is do you hear or see anything?

Common Pc Hardware Problems & There Solutions | Bios | Booting

If you hear any beeps, that is a great way to figure out what the issue is. Steady, short beeps -- The power supply may be bad, this is a good one.

We tested the power supply to see if it turned things on, but what if it's not turning everything on? Or if the voltages are wrong? This POST test helps us narrow the cause down to the power supply. A replacement would usually be necessary. Long continuous beep tone -- Memory failure. If there is more than one stick installed, try taking one out first to see if the computer boots, if it does not, try with the other one.

Usually, this will tell you which stick has gone bad, and you can replace or upgrade accordingly. If there is only one stick installed, you will need to replace or upgrade to fix the problem. No Beep -- Not hearing a beep is also listed on the exam, and notes the most obvious resolution. This can also be a sign of the power supply being completely dead. No beep system turns on and runs fine -- This one is a bit elusive, but if you make sure to check every once in a while, you can save yourself some troubleshooting later on.

If the system works fine, but does not beep once when you turn the machine on, your "beeper" may have actually died out. Under normal circumstances, most computer systems will beep one short beep. Your first action should be to try reseating the video card, if any. If reseating the video card does not work, it may need to be replaced. Again, once you get into smaller, more complex components, the resolution becomes cheaper to replace than to repair. More Troubleshooting Tips to Come That's all for now!

So far, we've covered what to do if your computer system will not turn on, how to troubleshoot the monitor and power supply, and how to properly identify POST codes and their meanings. In part two of our Hardware Troubleshooting guide, we'll go over: How to fix BSoD what to do if your PC can't find the hard drive or operating system OS the CMOS battery and how to replace it reseating hardware and cables the effects of heat and dust on your computer's hardware which you can also read about in my article: Understanding how PCs heat and cool Get our content first.

In your inbox. If this message remains, it may be due to cookies being disabled or to an ad blocker. Mike has experience working as a computer technician for two local school districts, as well as freelance computer repair work with AlisalTech. Music is another one of Mike's callings. Using his technical experience, Mike promotes local musicians in Salinas California through his website SalinasRadio.

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For additional details please read our privacy policy. Part 1. When it comes to hardware, some techs may have trouble figuring out what steps to take to troubleshoot and repair the internal and external components of a computer system. Understanding how PCs heat and cool. Get our content first.

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