Question about E-Machines T6420 PC Desktop

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Monitor on Standby / NO picture / all fans ON highest level

The programs would end after 10 seconds---if you opened programs/application one coud see them for 10 seconds then all applications would shut down--2 days later--- now--i am left with just a blank screen, fan and hard drive powering up, main fan that usually turns after after 10 seconds- stay on permanete, monitor= yellow buttin, blank.

Is this the video card and if so how do I purchase a new one or used one?

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  • chris stark
    chris stark Jan 02, 2009

    e tower T6420 desktop pc windows xp media center additoni 2005 amd athlon 64 processor 3400+ video card nVIDIA GeForce 6100 2.2 gighertz

  • chris stark
    chris stark Jan 02, 2009

    Nvidia E GeForce 7200GS graphics card



    will this card work as i found it on craigs lies??

  • Ed Deguzman
    Ed Deguzman May 11, 2010

    Can you tell me more about your PC system specifications ?

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2 Answers

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  • 176 Answers

It sounds like something is making your system to overheat thats why the fan stays on. Yes it has nothing to do with a video card. If you upgraded or made hardware changes make sure your CPU heatsink is properly seated and make sure case vents are free of severe dust as it will help to cool cpu.

Posted on Jan 02, 2009

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Dear sir

here as u say the problem is actuly not a video card problem some time power plug or power connector problem make yr pc problem first u need to chek power connecter or power cable is ok or not then try to clean RAM if dust jam on ram that time it's not display and last on list is chek yr cpu fan is conneted propper or not yr pc has a AMD proceaser so it need to cool it's help u..:)

if u try to perchase new video card then u need PCI express card..

thanks
please Vote
jo_chinmay

Posted on Jan 02, 2009

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When turn on computer, screen is black,


probably itz either minor case of improper ground/cpu fan/faulty power cable..
or major case of faulty or defective main board/ram/daughter or addon card(s)..

..plz do check the following as in order:..
the Hardware part:..
1)a)in power on mode, open/unplug the data/vga cable of the monitor from cabinet..see if raster or 'osd' is appearing on the monitor screen..if so monitor is ok..else replace the monitor and see..[not applicable in case of laptop]..
b) in case of laptop try to get output from external display unit/monitor using vga port..if there's proper display in there..the problem is probably with either the 'lcd'or 'ccfl' or 'inverter circuit'..

2) if u hv a graphics card, replace with a standby or onboard and see..[not applicable in case of laptop]..

3) unplug mains supply..pick open/remove the cmos battery..check (above +3v)..resit..

4)see if the ram(s) is loose/faulty..open clean/remove carbon & or oxide formed on the teeth with an eraser n resit it..or replace with a standby n see..

5) a) see if ur hdd is noisy or emitting any 'ticking' noise (like 'tuk tuk' or 'kirr kirr')..
b) or if the system is not supporting either the newly installed device or itz software/driver /firmware
if so, u need either a fresh os installation or ur hdd is likely to b replaced..

6)remove/clean dust neatly..dust is non-uniform in nature n may cause jam/short circuitry/excess resistance n many more..resulting an increase in heat..

7)open the CPU Heat-Sink with fan out of the socket..put some "Heat Sink Compound" (available in local electronics chip level spare market)between the cpu/processor and the CPU Heat Sink *** fan..resit/fit it tightly in position..

8)on main/mother board..see with a debug card for mb error..may b short..look for defective capacitors(espabove1000mfd)/mosfets..go through the mb's south bridge n the circuit lie around atx connector..the crystal clock generator (if cpu isn't heating up)..

9) [in case of desktop] the smps itself may b defective/faulty..check the outputs of smps viz. 0v (black~ground); +12v(yellow); +5v (red, green~ps-on, violet~pg& grey~sb); -12v (blue);-5v(white); +3.3v(orange)..the 'oscillator and error amplifier ic',or pwm switching regulator circuit..look for defective protector-transformer/resistance (esp 4.7k)/mosfet..
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if u r not a professional, always better to seek advise from ur system admin/vendor....

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I was just given a Motherboard with a P4 2.56Ghz processor, so I put into a case connected the power supply & my monitor cable, my cdrw drive and turned it on. I get no beeps and no display on the...


hope u r a professional, as u r aware of hardware hazards n minds to open up n dismantle the system..

however, plz do check the following as in order:..
the Hardware part:..
1)a) in power-on mode, open/unplug the data/vga cable of the monitor from cabinet..see if raster or 'osd' is appearing on the monitor screen..if so monitor is ok..else replace the monitor and see..[not applicable in case of laptop]..
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2) if u hv a graphics card, replace with a standby or onboard and see..[not applicable in case of laptop]..

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7) open the CPU Heat-Sink with fan out of the socket..put some "Heat Sink Compound" (available in local electronics chip level spare market)between the cpu/processor and the CPU Heat Sink *** fan..resit/fit it tightly in position..

8) on main/mother board..see with a debug card for mb error..may b short..look for defective capacitors(espabove1000mfd)/mosfets..go through the mb's south bridge n the circuit lie around atx connector..the crystal clock generator (if cpu isn't heating up)..

9) [in case of desktop] the smps itself may b defective/faulty..check the outputs of smps viz. 0v (black~ground); +12v(yellow); +5v (red, green~ps-on, violet~pg& grey~sb); -12v (blue);-5v(white); +3.3v(orange)..the 'oscillator and error amplifier ic',or pwm switching regulator circuit..look for defective protector-transformer/resistance (esp 4.7k)/mosfet..
check the battery n adapter [main power], in case of laptops..

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