Ok, i bought the PowerSpec V200 a while ago and upgraded some of the parts, well at one point the Bulit in sound chip started to act up and it the sound would sometimes lag up on me. So i went and bought a new sound card to fix the problem and it didnt help.
-First try installing the old parts back in that you 'upgraded'.
-Clean the dust out of the case with a vacuum attachment. Go into the bios options and turn off Intel Speed Step, Thermal Monitoring, and Spread Spectrum. If that doesn't help, back up your data and reinstall your operating system making sure to install the drivers for your sound device first to gain a higher interrupt request (IRQ). Stay away from installing bloat ware that came on your computers installation cds. Good luck.
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OK-3 issues here but you already know one lol-you bought a substandard amp for some bad *** power hungry subs---thats your first issue :)
Check the ground for the AMP it shouldn't be any longer than 12" from the amp to its grounding point-Any longer than that and several issues can happen, like poor power to the amp, feedback (winding noise over the speakers, usually changes pitch or frequency with the engines rpm's), intermitant substandard sound (your experiancing this) and coil bounce (your subs move in and out producing little to no sound, you are experiancing this as well)
The same issues can come from the amp not having enough constant power to sustain the subs when they hit repeditivly, to fix this you need to buy a cap and add it to your system- A cap quickly charges using the battery, and supplies the extra umph your amp needs so it can push the subs without starving itself. With the subs you have I recommend a 1.5 to 3 fared capasator
ok, i have had to deal with these same issues,in my case and sounds like yours as well, audio chip or motherboard damage. these are not user repairable. so if a desktop add a sound card or laptop get an external sound card (box) this is an easy answer to failed audio chip. i bought a creative labs live external and what a impovement over the onboard sound! if it was just the driver that failed..request the hotfix for the uaa high def.http://support.microsoft.com/ good luck! hope this helps you..
If u have restored to factory settings and the sound remains the same then it should be the sound card chip in your motherboard. Upgrading your sound chip in your notebook is not easy better u get the sound chip replaced if u can get a technician to find the part.
No picture or dark picture
Check R516 (56Kohms, 0.5w) or R517 (27Kohms, 0.25w) for high
Will not come out of standby, no picture
If at power on voltage on pin 37 of the micro drops low then reverts to 5v suspect memory chip ICA07 (Toshiba 23319016)
No picture No sound
Faulty IC TDA6107q on crt board
No picture on e-e, I.F output ok
This was due to switching chip IC3901 (M51292FP) on the scart panel
Set starts, horizontal and vertical deflection work, HT ok, crt heaters ok, but no sound or picture
I turned the G2 voltage up and noticed a white screen with flyback
lines, frame ok. I detected two badly soldered double diode rectifiers
in the secondary part of the power supply ! I checked all other joints,
and everything was ok !! success
White horizontal line (no vertical deflection)
Check / replace R548, R549
Sound but no picture except for a couple of horizontal colour lines
Replaced the frame chip TDA8356, set now ok