如何设置显卡颜色对比度？

[[{"txt": "\u4eca\u5929\u5c0f\u7f16\u8981\u548c\u5927\u5bb6\u5206\u4eab\u7684\u662f\u5982\u4f55\u8bbe\u7f6e\u663e\u5361\u989c\u8272\u5bf9\u6bd4\u5ea6\uff1f\u5e0c\u671b\u80fd\u591f\u5e2e\u52a9\u5230\u5927\u5bb6\u3002"}, {"img": ["https://exp-picture.cdn.bcebos.com/f0848bee41c1b72720ca763d1a2ca5cadde89832.m2m?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_500%2Climit_1"]}], [{"txt": ["\u5de5\u5177/\u539f\u6599"]}, {"txt": "Windows7\u7cfb\u7edf\u534e\u7855\u7b14\u8bb0\u672c\u3002"}], [{"txt": ["\u65b9\u6cd5/\u6b65\u9aa4"]}, {"txt": "\u9996\u5148\u70b9\u51fb\u7535\u8111\u684c\u9762\u4e2d\u7684\u8ba1\u7b97\u673a\u3002"}, {"img": ["https://exp-picture.cdn.bcebos.com/906dbbcadce8904892650742130e5f2042719232.m2m?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_500%2Climit_1"]}, {"txt": "\u7136\u540e\u70b9\u51fb\u6253\u5f00\u63a7\u5236\u9762\u677f\u3002"}, {"img": ["https://exp-picture.cdn.bcebos.com/423041db3620b93a57105070ad0f8835dc8a8a32.m2m?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_500%2Climit_1"]}, {"txt": "\u63a5\u7740\u70b9\u51fb\u82f1\u7279\u5c14\u6838\u5fc3\u663e\u5361\u3002"}, {"img": ["https://exp-picture.cdn.bcebos.com/dccb47de450788019ae9a5f4b18ca608a40f8232.m2m?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_500%2Climit_1"]}, {"txt": "\u7136\u540e\u70b9\u51fb\u663e\u793a\u5668\u3002"}, {"img": ["https://exp-picture.cdn.bcebos.com/a749bb0f94fc508c3257b74d01775ddd894cfd32.m2m?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_500%2Climit_1"]}, {"txt": "\u63a5\u7740\u70b9\u51fb\u989c\u8272\u8bbe\u7f6e\u3002"}, {"img": ["https://exp-picture.cdn.bcebos.com/5c9c964ce54a2f27577658b3e00192dd3240f432.m2m?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_500%2Climit_1"]}, {"txt": "\u6700\u540e\u9009\u62e9\u81ea\u5df1\u60f3\u8981\u7684\u663e\u5361\u989c\u8272\u5bf9\u6bd4\u5ea6\u5c31\u53ef\u4ee5\u4e86\u3002"}, {"img": ["https://exp-picture.cdn.bcebos.com/2947750192dd3340036ae132881c99c0aefcf132.m2m?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_500%2Climit_1"]}]]