When the computer starts, and is proving frquency I hear a noise in the speakers, and port lpt1 is out of service. Some can help with this problem?.
I supose the problem was generated for bad memory conections.
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Well, a feebackback destroyer is oke, or a good equalizer, no cheap noisy one and take one with 31 channeles /channel and lower the trequencies where about where you hear it lower frequency frequency by frequency, until you have the frequency which gives the problem and keep the frequency low in volume . But there are more ways, like replacing you monitors a bit. A low noise graphic equalizer ain't cheap. I thought ART has reasonable anti feedback surpressors....
Band should be E
Band high/low button on high
10 khz off
To check that you have done this correctly frequency counter will read 27.185 plus or minus 5 khz.
This is of course proved you have a radio that is converted for 11 meter cb frequencies.
There is something resonating with that note frquency. Often the grille or wiring inside will rattle at certain frequencies. You need a sustained source of these frequencies to find what is causing the noise.
The noise MIGHT be a resonance in the cabinet. The way to find out is to sweep a frequency upward to see if something rattles at certain frequencies... Don't be surprised to find several. Within the cabinet are the usual culprits: Wires rattling against the cabinet, loose debris, grilles and the logos on them, circuit boards with crossover hardware, cabinet wood that is not glued and rattles against itself. Things like bass port tubes can rattle.
Find an audio generator and sweep the cabinet from 50Hz to 10KHz and you will be surprised. Some speakers may have resonances as well. Expect things in your room to start rattling as well.
This is really the only way to find the problem. PLEASE wear hearing protectors at levels above 90Db.
The problem is inside of the tv. Your speakers are probably fine. The problem in most sets I have found is that the internal parts/Brackets are vibrating particularly at the lower frequencies. You must insert non conducting foam and duct tape to immobilize any moving parts. With the back of the set off, Tap the chassis with your finger and you will hear where the vibrations are coming from. Repeat taping and inserting the foam until the vibrations stop or are minimized to acceptable levels. You can also adjust the custom audio with the equalizer to cut the base frequencies. This is a common problem. In some cases I have found Bad speakers and need to be replaced and is really simple to do with the back panel removed. Once you see the speakers you will how simple it is to replaced the speakers.
we have a hewlett packard t45. We got a new computer without a lpt1 port, so we got a usb cable. Now it will only print, the print requires a lpt1 port to operate properly. The new scanners and all-in-one printers use a usb cable. I had to got to the manufactures website and do some searching and reading to figure it out.
We have a Hewlett packard officejet t45 all-in-one. We recently bought a new computer that didn't have a LPT1 port, only usb ports. So we bought a usb cable and now it only prints. I then went on the Hewlett Packard website and did some searching and reading and found that our all-in-one printer requires a LPT1 port and cable to work properly. If that is the same with you, you can buy a LPT1 card with the port to install in your computer.