Hardware

More or less safe to turn off power supply rocker switch?
I keep my PC on for at most a few hours a day. After it has powered down, is it safer to shut off all power to the motherboard using the toggle switch on the power supply, or is it better to leave it on, or does it not matter at all? Thanks for any advice, or pointers to some useful studies on the matter. ... 17 Apr 2010 15:11

Quick easy repair for scratched LCD screens
All that it took to completely eliminate a somewhat deep two inch long scratch on my LCD monitor was a little turtle wax (car wax) and some rubbing with a paper towel. In less than two minutes no scratch was apparent, and there is no distortion of text where the scratch used to be. Even very close inspection ... 30 Apr 2010 10:33

Black IE
The different "bars" of my Internet Explorer heading are now overlayed with a solid black cast making navigation very difficult. All functions otherwise appear to be working. Problem does not happen in the Safe Mode. Help & advice greatly appreciated & thanks ... ... 9 Apr 2010 18:57

Simultaneous access to memory
What happens when two processes access memory at literally the same time, with one reading and another writing, does the read or the write get mangled? I know the whole semaphore lock stuff, I want to know what happens when one skips this step. ... 7 Apr 2010 15:44

Graphics problem on Dell Inspiron notebook
After approximatly 45 minutes of operation, the screen get scrambled. I suspect a problem of heating since none of the 2 fans operate when I switch on the notebook. anybody for an idea ? Is there a specific newsgroup for Dell ? ... 8 Apr 2010 03:57

MacBook Pro ssd mounting screws
Hello, Does anyone know where to buy the right mounting screws for installing a new SSD drive in a MacBook Pro? MacBook Pro upgrade documentation refers to these mounting screws here: http://support.apple.com/kb/HT3419 But apparently Apple won't sell those, at least not here in Switzerland. SSD brands e.g. ... 4 Apr 2010 14:49

USB Keyboard/Mouse to PS/2 ports adapter
Is anyone aware of a device that would permit me to adapt a USB keyboard/mouse (trackball actually) combo for use with PS/2 ports? There are plenty of inexpensive adapters that permit the reverse scenario (PS/2 keyboard/mouse to USB ports), but nothing going my looks universal. There are gizmos like this: ... 3 Apr 2010 00:44

lcd repalcemnte on a laptop packard bell
Hi, i will thank all the people who willl hel� me. I have to replace a PB ml 61 15.4" lcd screen. I have a compaq F700 el laptop. this has a 15.4 1280*800 wxga lcd screen too. Is it possible to replace the PB with the compaq one? Are the plugs the same? Thanks fausto ... 1 Apr 2010 16:51

AGP Graphics Recommendations
Recomendations please for an AGP graphics card to sit in a media centre PC: I need it to decode HD video thereby taking the load off the athlon 2500 CPU. On the gaming front, most demanding at the moment is Trackmania Nations Forever at a decent resolution. Physically, it can only be single height as the AGP slo... 3 Apr 2010 11:29

display port on - HP Compaq dc7900 Ultra-Slim Desktop
Hi all, looking through the Technical guide for this computer I see a 'display port' next to the 'video connector'. What might this 'display port' be used for? Dare I dream that it might provide the function to have extended desktop? Technical Guide PDF: http://h20000.www2.hp.com/bizsupport/TechSupport/Core... 28 Mar 2010 15:39