eMachines T3828 Support Question
eMachines T3828 Support Question
Find answers below for this question about eMachines T3828.Need a eMachines T3828 manual? We have 2 online manuals for this item!
Question posted by smcclurken on October 28th, 2011
Power Problem
Hello. I have an eMachines T3828. Recently the computer developed a power on issue. The power button will not power on the PC. I tested the PSU. It works fine. I used my multimeter to run a continuity test on the front panel power switch. The switch is in tact and functional. So I reconnected the power switch to the mobo and nothing. Knowing the button is good and the PSU is good I decided to remove the power switch once more and run a screwdriver jump test on the power pins on the mobo. Nothing. Now heres the wierd part. Just for smiles, I reconnected everything. Then I pressed the test button on the PSU. When the PSU powered up it powered up the mobo too! Fans were spinning. CD/DVD ROMS working. HDD crunching numbers. Everything seems to work just fine. But there must be a problem on the mobo somewhere between the mobo power pins and the PSU. Any ideas on jumping or bypassing?
Current Answers
Answer #1: Posted by pchelper on October 29th, 2011 8:30 PM
pchelper
Member since:
October 20th, 2011 Points: 206,890
Member since:
October 20th, 2011 Points: 206,890
Here are the possible problems. Try troubleshooting in this order.
1) Is the power supply the unit is plugged into "hot?" Make sure that the wall outlet is not operated by a light switch, or the power strip is turned on and it's fuse hasn't blown. In other words, first make sure that there is actual power available.
2) If the above tests good, re-verify the power cord is securely plugged into the power outlet in the back of the unit and if there is an "on/off" switch on the back of the unit, it is turned on.
3) If the above tests good, then your problem is either going to be the actual power button has gone bad, as they will do eventually with use, or the power supply has gone bad. Check the power supply in the unit itself to see if there isn't a reset button. If it does, try resetting it, if not, take the unit in for servicing. Both the power supply and power button are user serviceable, but if you don't feel comfortable working on a PC, I would suggest taking it in. Neither issue will be that expensive to remedy.
Additionally, are there any signs of life at all when the unit is plugged into a known good source of power such as a system fan or anything? (This is going back to the power supply issue.)
1) Is the power supply the unit is plugged into "hot?" Make sure that the wall outlet is not operated by a light switch, or the power strip is turned on and it's fuse hasn't blown. In other words, first make sure that there is actual power available.
2) If the above tests good, re-verify the power cord is securely plugged into the power outlet in the back of the unit and if there is an "on/off" switch on the back of the unit, it is turned on.
3) If the above tests good, then your problem is either going to be the actual power button has gone bad, as they will do eventually with use, or the power supply has gone bad. Check the power supply in the unit itself to see if there isn't a reset button. If it does, try resetting it, if not, take the unit in for servicing. Both the power supply and power button are user serviceable, but if you don't feel comfortable working on a PC, I would suggest taking it in. Neither issue will be that expensive to remedy.
Additionally, are there any signs of life at all when the unit is plugged into a known good source of power such as a system fan or anything? (This is going back to the power supply issue.)
Related eMachines T3828 Manual Pages
User Guide - Page 3
... Web site 3 Help and Support 3
Searching for a topic 4 BigFix 4 Online help 5 eMachines contact information 6
2 Checking Out Your eMachines Computer 7
Desktop PC Front 8 Desktop PC Back 10 Identifying your model 13
eMachines model and serial number 13 Microsoft Certificate of Authenticity 13
3 Getting Started 15
Working safely 16 Reducing eye strain 16 Setting up your computer desk...
User Guide - Page 14
...locations may vary from the illustration below. Chapter 2: Checking Out Your eMachines Computer
Desktop PC Front
Your computer includes the following components. DVD/CD drive
DVD/CD drive (optional)
Diskette drive (optional) USB port (optional)
Hard drive access indicator
Memory card reader (optional)
Power button/ Power indicator
IEEE 1394 ports (optional)
USB ports (optional)
Microphone jack...
User Guide - Page 15
...these 6-pin IEEE 1394 ports. Press this button to access eMachines' Web site and eMachines Customer Care. The button lights when the computer is color-coded ...Desktop PC Front
Component DVD/CD drive
Diskette drive (optional) USB ports (optional)
Hard drive access indicator IEEE 1394 ports (optional)
Memory card reader (optional)
Power button / Power indicator
Microphone jack
Icon Description
Use...
User Guide - Page 16
...Power connector
PS/2 mouse port PS/2 keyboard
Serial port Parallel port Monitor port
USB ports USB ports (optional) Microphone jack Audio output (Line out) jack Audio input (Line in) jack
Telephone jack
Case cover thumbscrew
IEEE 1394 ports (optional)
Ethernet (network) jack
Modem jack Case cover thumbscrew
10
www.eMachines....com Chapter 2: Checking Out Your eMachines Computer
Desktop PC...
User Guide - Page 17
...always be moved to this jack.
The switch is in the United States.
Desktop PC Back
Component Voltage switch
Power connector PS/2 mouse port
Icon Description
Before turning on your computer. The power supply should be set to 230.
Plug a serial device (such as a... into these screws before opening the case.
If your area. Remove these ports. www.eMachines.com
11
User Guide - Page 24
... devices by using a surge protector.
Use the power selection switch on your computer. Caution
If you cannot run your computer long enough to save your work and shut ...power source problems
During a power surge, the voltage level of electricity coming into your computer to provide power to the system board, add-in cards, and peripheral devices. If you have a telephone modem, use...
User Guide - Page 57
...desktop appears. 10 Click Start, Control Panel, then click Performance and Maintenance (if in the General tab. Click/Double-click System. The amount of memory in your computer is secure, you hear a click.
6 Replace the side panel by following the instructions in "Replacing the side panel...upright position. 8 Reconnect the cables and the power cord. 9 Turn on your computer to ...eMachines.com
51
User Guide - Page 62
...that the AC outlet is supplying power.
■ If you use a power strip or surge protector, make sure that it is turned on.
■ If a peripheral device (such as a keyboard or mouse) does not work, make sure that you have problems with your computer, try these ... the online help Customer Care in the Search box , then click the arrow.
56
www.eMachines.com
The message may help .
User Guide - Page 63
...DVDs" on your computer. ■ Some music CDs have installed the required software. www.eMachines.com
57 Troubleshooting
Troubleshooting
Add-in cards
The computer does not recognize an add-in card ... disc. Audio
See "Sound" on page 70.
You may be experiencing some temporary memory problems. Shut down and restart your add-in the
drive documentation. ■ Reinstall the device driver...
User Guide - Page 68
...incorrectly, you do not have a problem with your modem.
If the error message still appears, disconnect from the ISP connection and close your computer
62
www.eMachines.com
If you connect and the... host" message and are using a cable or DSL modem, make sure that the modem cable is plugged into the Ethernet network jack and not the modem jack. See "Desktop PC Back" on page 64....
User Guide - Page 72
... is in use (for technical support. ■ See if the modem works with your ...6K.
To run modem diagnostics:
1 Close all open programs. 2 Click Start, then click Control Panel. Chapter ...Desktop PC Back" on page 10 to 48K. If your computer. The problem may cause problems with just one program. ■ Review the troubleshooting information under "Internet" on your
Control Panel...
User Guide - Page 79
... support
Telephone support
Before calling eMachines Customer Care
If you have a technical problem with it. If you use a surge protector, make sure that it according to work, make sure that you have... do not attempt to troubleshoot your computer problem if:
■ Power cords or plugs are plugged in securely.
■ If you have recently installed hardware or software, make sure that...
User Guide - Page 93
...28 pointer 24 moving 25 ports See connections power button 9 connector 11 Hibernate mode 9 indicator 9 source problems 18 Standby/Resume 9 troubleshooting 70 turning off computer 20 turning on computer 19 power button 9 printer default 70 installing 28 parallel ...
opening menu 25
shutting down computer 20, 21
side panel removing 46 replacing 46
sound adjusting 21 controls 21
www.eMachines.com
87
NG3 Hardware Reference - Page 2
... Using the eMachines Web site 2 Using Help and Support 3
Searching for a topic 3 Getting help in Media Center 4 Using...audio jacks 13
Chapter 3: Using Your Computer 15
Working safely 16 Reducing eye ...power source problems 18 Checking the voltage selection 18
Starting your computer 19 Waking up your computer 19
Turning off your computer 19 Restarting (rebooting) your computer 20 Using...
NG3 Hardware Reference - Page 5
...109 Changing the colors on your Windows desktop 110 Changing the desktop background 111 Selecting a screen saver 112 Using an extended desktop 113
Changing the mouse settings 114 Changing Power-Saving Settings 115
Changing the power scheme 115 Changing advanced power settings 116 Activating and using Hibernate mode 116 Installing an uninterruptible power supply 118
Chapter 10: Protecting...
NG3 Hardware Reference - Page 25
... jack.
To set the voltage selection switch:
■ Use a tool such as Europe, the utility power is set the power supply to save your work and shut down your computer long enough to 115V or 230V. Protect your environment, check the voltage selection switch. If you run your computer for your system will be
moved...
NG3 Hardware Reference - Page 28
...Use these keys to open utilities like F (Search utility), R (Run utility), and E (Explorer utility).
Show if your audio files and to the end of these keys keys to move the cursor up the page, down , right, or left. Use one of a document. Use...and buttons. www.emachines.com
Standard keyboard
Function keys
Indicators
Using the keyboard
Navigation keys Internet buttons
...
NG3 Hardware Reference - Page 64
...desktop computer ■ Turn off all physical cable connections ■ Compare the status lights on the front of the devices, then power them , you can configure your router using...Testing your network to connect your network" on , click Obtain an IP Address Automatically. For these fields and, if so, what entries are using your ISP to the Internet:
■ Run... the reset button on your ...
NG3 Hardware Reference - Page 82
... of the VGA port on your computer.
4 Plug the projector or monitor power cord into an AC power outlet, then turn it must have two video connections), you can connect an...Back"
on the desktop, then click Properties. You may not represent
the actual screens on .
If your computer's video card supports it (it on your computer. www.emachines.com
Using a second monitor
Using a second monitor...
NG3 Hardware Reference - Page 152
...drive so each file is running, do not use your computer to a network... on-screen instructions.
7 Click OK. www.emachines.com
3 Click the Tools tab. Windows checks...problems that it is normal. Defragmenting the hard drive
When working with files, sometimes Windows divides the file information into pieces and stores them may continuously stop the defragmentation process and cause it to use...
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