The HP ENVY 15t-j100 Quad Edition CTO (G1L49AV) Notebook Computer is a configure-to-order system. We can't tell what the exact specs are and you will need to the provide the information from your confirmation email and/or packing slip for a more detailed response. Based on the Home & Home Office Store page, the standard specs for the G1L49AV are;
Windows 7 Professional 64
4th generation Intel® Core™ i7-4700MQ Processor
NVIDIA® GeForce® GT 740M Graphics with 2048MB of dedicated video memory
12GB DDR3 System Memory (2 Dimm)
1TB 5400 rpm Hard Drive
No Internal DVD or CD Drive
10/100/1000 Gigabit Ethernet LAN
802.11b/g/n WLAN [1x1]
6-Cell Lithium-Ion Battery
4 SuperSpeed USB 3.0; 1 HDMI; 1 RJ45; 1 headphone-out/microphone-in combo
Multi-format digital media card reader
15.6-inch diagonal HD BrightView LED-backlit Display (1366x768)
Standard Keyboard
and there aren't many configurable options. I can tell you that many of the configurable options for the Windows 8.1 version of the Envy 15t-j100 Quad Edition (E2E34AV), will work in your computer but may not be supported by HP for Windows 7. The E2E34AV offers these WiFi cards that have Bluetooth support;
Intel 802.11b/g/n 2x2 WLAN and Bluetooth® [2x2] HP p/n 717384-001
Broadcom 802.11 AC WLAN and Bluetooth® [2x2] HP p/n 724935-001
You may wish to purchase one of these and swap it with your current 802.11b/g/n WLAN [1x1] card.
Additionally, the HP ENVY 15 Notebook PC and HP ENVY TouchSmart 15 Notebook PC Maintenance and Service Guide lists these WiFi cards as well;
Intel Dual Band Wireless-AC 3160 802.11 ac 1×1 WiFi + Bluetooth 4.0 Combo Adapter (for use on computer models equipped with an Intel processor, select models only) HP p/n 710662-001
Qualcomm Atheros AR9485 802.11bgn 1×1 WiFi Adapter (select models only) HP p/n 675794-001
Qualcomm QCA9565 802.11bgn 1×1 WiFi + Bluetooth 4.0 Combo Adapter (select models only) HP p/n 733476-001
Ralink RT3290LE 802.11bgn 1×1 WiFi + Bluetooth 4.0 Combo Adapter (select models only) HP p/n 690020-001
Realtek RTL8188EE 802.11bgn 1×1 WiFi Adapter (select models only) HP p/n 709848-001
If you have any further questions, please don't hesitate to ask.
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