&lt;h3 class=&quot;r&quot;&gt;Envision En 5200ei -Flat panel monitor 15&quot; LCD&lt;/h3&gt;Monitor works great the majority of the time, but after an extended period of use ( many hours) the monitor&#039;s display becomes garbled or scrambled. Turn the power off for a while everything works fine. &lt;br&gt;&lt;br&gt;&lt;h3 class=&quot;r&quot;&gt;&lt;a href=&quot;http://reviews.cnet.com/lcd-monitors/envision-en-5200ei-flat/1707-3174_7-30805463.html&quot; class=&quot;l&quot; onmousedown=&quot;return clk(this.href,&#039;&#039;,&#039;&#039;,&#039;&#039;,&#039;1&#039;,&#039;&#039;,&#039;0CBIQFjAA&#039;)&quot;&gt;&lt;span style=&quot;font-style: italic;&quot;&gt;&lt;br&gt;&lt;/span&gt;&lt;/a&gt;&lt;/h3&gt;