A:AnswerYes that's because the monitor don't have speakers, when your plugging in the HDMI your computer is porting the sound VIA HDMI. When you connect to HDMI right click on your speaker icon in the tray and click on play back devices then right click on your speakers and chose set as default device and that will put the sound back on your speakers while using HDMI.
A:AnswerThis monitor has two HDMI ports. If the desktop tower has an HDMI port you should be able to use this monitor. If you have VGA or DVI ports on the tower then you will need an adapter that fits onto the HDMI connection. So if you have DVI connector on the tower you will need an HDMI to DVI adapter.
A:AnswerThe 27" screen is glossy but is also anti-glare. There is no appreciable reflection from glare on the monitor. I have had difficulty with glare from glossy screens in the past, but this HP 27es monitor has excellent anti-glare properties.
A:AnswerThe bottom base of the monitor where the plugs are is roughly 3/4 of inch thick and slims down to 1/4 to the top. The monitor is 27" in diagonal space. The bevel surrounding it is less then half an inch in thickness
A:AnswerEveryone bought it before you. This was probably an item not sold in stores, so the allocation in the distribution centers was not enough to supply demand.