PTCL DSL Slow Internet Speed Troubleshooting: Optimize Your Internet Speed

Written by Abdul Hadi
(Last Updated On: 19/11/2016)

Despite the fact that PTCL is the largest shareholder of the Internet Service Provider in the country, it is still not able to deliver the high-performance speed to its customers. But now multiple ways are using which you can fix the slow internet speed of your PTCL DSL connection.

Here are the types of issues along with their solutions.

DSL Light Blinking:

If the DSL light on modem is blinking or off then please follow the following steps:

  1. Verify your splitter connection. Modem/phone should be connected to their relevant
  2. If they are not properly placed, then place properly and check.
  3. If still facing the same issue, then please bypass splitter and connect phone line directly to the modem.

Frequent Disconnection:

If you are facing frequent disconnection issue in your DSL connection, then please follow the following steps:

  1. Bypass internal wiring if you are using.
  2. Make sure that modem should not be placed near heavy electricity instrument like monitors, speakers, etc.

Slow Browsing/Downloading issue:

If you are facing slow browsing/downloading issue in your internet connection, then please follow the following steps:

  1. Remove networking if using.
  2. Remove torrents and proxy if using.
  3. Check downloading speed from or

Internet light on but no browsing:

If the internet light on modem is on and you are facing no browsing issue the please follow the following steps:

Through WIFI:

  1. Check WLAN IP settings. (Should be automatic)
  2. Please verify WLAN light on modem (should be on)
  3. In case the WLAN light is off, then please press the WLAN button on the modem to turn on then check.
  4. If WLAN is enabled, but there is a cross on WIFI on a laptop then please turn on the WIFI from the laptop then check.
  5. Check browser proxy settings (should be unchecked)
  6. Check on different browsers if available.

 Through LAN:

  1. In case you are connected through LAN cable, then please verify LAN connection icon. (Should be no cross or yellow mark)
  2. In the case of the cross icon, please verify LAN cable physical connectivity.
  3. In case of yellow mark, please check LAN settings (should be automatic)
  4. Check browser proxy settings (should be unchecked)
  5. Check on different browsers if available.

SMTP Settings:

PTCL domain users:

If you are using PTCL domain ([email protected]) and facing issues in sending/receiving emails, then please follow the following steps:

  1. In case of email receiving issue, please verify incoming server address (should be:
  2. In the event of email sending issue, please verify the outgoing email server address (should be:

Other domain:

  1. In case you are using other domain and facing issue in sending an email then, please write “” in outgoing email server address.

For Further Information:

If you are still facing the same issue then for voice support, please dial 1218 and for online chat support follow the given link and for SMS support type help and send it to 0512181218.

About the author

Abdul Hadi

Author is a C.A and professional blogger who has been writing since ten years. He specializes on various topics including Business, Technology, News, and local reviews. Abdul graduated from Skans School of accountancy in 2014. He like to produce useful guides for local readers. He also writes for different newspapers and blogs. You can reach him on Facebook

1 Comment

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